:root {
  --ink: #1c1915;
  --ink-soft: #3a342c;
  --muted: #7a7166;
  --line: #e6e0d6;
  --paper: #f6f3ee;
  --white: #fffcf8;
  --accent: #9a7b4f;
  --accent-deep: #6e5432;
  --danger: #8c3a32;
  --shadow: 0 18px 50px rgba(28, 25, 21, 0.08);
  --serif: "Cormorant Garamond", "Noto Serif Bengali", Georgia, serif;
  --sans: "Outfit", "Noto Sans Bengali", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.serif { font-family: var(--serif); }
.nav-public {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 4vw;
  background: rgba(255,252,248,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
}
.nav-public.scrolled { border-bottom-color: var(--line); }
.brand { display: flex; align-items: center; gap: .75rem; letter-spacing: .22em; font-size: .78rem; text-transform: uppercase; }
.brand b { font-weight: 500; }
.brand-logo { height: 64px; width: auto; object-fit: contain; background: #fff; border-radius: 8px; }
.sidebar .brand-logo { height: 84px; }
.mark {
  width: 34px; height: 34px; border: 1px solid var(--ink);
  display: grid; place-items: center; font-family: var(--serif); font-size: 1.15rem;
}
.nav-links { display: flex; gap: 1.5rem; align-items: center; font-size: .92rem; }
.nav-links a { color: var(--ink-soft); }
.nav-links a:hover { color: var(--ink); }
.btn-gold, .btn-ink, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  border-radius: 999px; padding: .7rem 1.2rem; border: 1px solid transparent;
  font-size: .92rem; cursor: pointer; background: transparent;
}
.btn-gold { background: var(--accent); color: white; }
.btn-gold:hover { background: var(--accent-deep); color: white; }
.btn-ink { background: var(--ink); color: white; }
.btn-ghost { border-color: currentColor; }
.hero {
  min-height: calc(100vh - 70px);
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 3vw;
  padding: 2rem 4vw 3rem; align-items: end;
}
.hero-copy h1 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(3.2rem, 6vw, 6.2rem);
  line-height: .92; letter-spacing: -0.03em; margin: .4rem 0 1rem;
}
.kicker { letter-spacing: .22em; text-transform: uppercase; font-size: .72rem; color: var(--accent-deep); }
.lede { font-size: 1.12rem; color: var(--ink-soft); max-width: 38rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.6rem; }
.hero-photo { position: relative; min-height: 68vh; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 68vh; }
.hero-caption {
  position: absolute; left: 1rem; bottom: 1rem; background: rgba(255,252,248,.92);
  padding: .7rem .9rem; font-size: .8rem; letter-spacing: .04em;
}
.section { padding: 5rem 4vw; }
.section-head { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: 2rem; }
.section-head h2, .page-title {
  font-family: var(--serif); font-weight: 500; font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1; margin: 0;
}
.muted { color: var(--muted); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.card-grid, .design-grid, .project-grid { display: grid; gap: 1.2rem; }
.design-grid { grid-template-columns: repeat(3, 1fr); }
.project-grid { grid-template-columns: repeat(2, 1fr); }
.room-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.room-tile, .design-card, .paper-card, .stat {
  background: var(--paper); border: 1px solid var(--line);
}
.room-tile { padding: 1.1rem; min-height: 140px; display: flex; flex-direction: column; justify-content: space-between; }
.room-tile span { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.room-tile strong { font-family: var(--serif); font-size: 1.6rem; font-weight: 500; }
.design-card { overflow: hidden; background: white; transition: transform .35s ease; }
.design-card:hover { transform: translateY(-4px); }
.design-card img { height: 240px; width: 100%; object-fit: cover; }
.design-card .meta, .pad { padding: 1rem 1.1rem 1.2rem; }
.price { color: var(--accent-deep); font-size: .92rem; }
.why { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.why article, .process article { padding: 1.3rem; border-top: 1px solid var(--ink); }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.process em { font-family: var(--serif); font-style: normal; font-size: 1.8rem; color: var(--accent); }
.quote-band { background: var(--ink); color: #f3eee6; padding: 4rem 4vw; }
.quote-band blockquote { font-family: var(--serif); font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1.25; margin: 0; }
.cta-band {
  margin: 0 4vw 4rem; padding: 3rem; background:
    linear-gradient(120deg, rgba(28,25,21,.55), rgba(28,25,21,.2)),
    url('/assets/img/interior-1.jpg') center/cover;
  color: white; display: flex; justify-content: space-between; gap: 1rem; align-items: end;
}
.site-footer { padding: 3rem 4vw; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.4rem; }
.chip { border: 1px solid var(--line); padding: .35rem .75rem; border-radius: 999px; font-size: .85rem; background: white; }
.chip.active, .chip:hover { border-color: var(--ink); background: var(--ink); color: white; }
.page { padding: 2rem 4vw 4rem; }
.lightbox { position: fixed; inset: 0; background: rgba(20,16,12,.92); display: none; place-items: center; z-index: 80; padding: 2rem; }
.lightbox.open { display: grid; }
.lightbox img { max-height: 88vh; max-width: 92vw; object-fit: contain; }
.form-card, .panel { background: white; border: 1px solid var(--line); padding: 1.2rem; }
label { display: block; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: .25rem; }
.form-control, .form-select, textarea.form-control { border-radius: 0; border-color: var(--line); background: var(--white); }
.measure-table input, .measure-table select { min-width: 70px; }
.compare-table th, .compare-table td { vertical-align: top; }
.toast-wrap { position: fixed; right: 1rem; bottom: 1rem; z-index: 90; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; background: #f3efe8; }
.sidebar {
  background: #161410; color: #efe8dc; padding: 1.2rem 1rem 5rem; position: sticky; top: 0; height: 100vh; overflow: auto;
}
.sidebar a { display: flex; gap: .6rem; align-items: center; color: #d9d0c3; padding: .45rem .6rem; border-radius: 8px; font-size: .92rem; }
.sidebar a:hover, .sidebar a.active { background: rgba(255,255,255,.08); color: white; }
.sidebar .group { margin: 1rem .6rem .3rem; font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: #8d8478; }
.topbar { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: .8rem 1rem; background: rgba(255,252,248,.9); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.main { padding: 1.2rem; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.stat { background: white; padding: 1rem; }
.stat span { color: var(--muted); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.stat strong { display: block; font-family: var(--serif); font-size: 1.7rem; font-weight: 500; line-height: 1.1; margin-top: .2rem; }
.table { --bs-table-bg: transparent; font-size: .92rem; }
.table thead th { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.mobile-nav { display: none; }
.search-drop { position: absolute; background: white; border: 1px solid var(--line); width: min(420px, 80vw); z-index: 30; box-shadow: var(--shadow); }
.search-drop a { display: block; padding: .55rem .8rem; border-bottom: 1px solid var(--line); }
.search-drop small { color: var(--muted); }
.chart-card { background: white; border: 1px solid var(--line); padding: 1rem; }
.bottom-nav {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; background: #161410; color: white;
  z-index: 40; justify-content: space-around; padding: .4rem 0 calc(.4rem + env(safe-area-inset-bottom));
}
.bottom-nav a { color: #efe8dc; font-size: .68rem; text-align: center; }
.progress { height: .45rem; background: #efe8dc; }
@media (max-width: 1100px) {
  .hero, .split, .design-grid, .why, .process, .site-footer { grid-template-columns: 1fr 1fr; }
  .design-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .room-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--white); padding: 1rem 4vw 1.4rem; border-bottom: 1px solid var(--line); }
  .menu-btn { display: inline-flex !important; }
  .hero, .split, .design-grid, .project-grid, .why, .process, .site-footer, .room-row { grid-template-columns: 1fr; }
  .hero-photo, .hero-photo img { min-height: 46vh; }
  .cta-band { flex-direction: column; align-items: start; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; position: fixed; z-index: 50; width: min(84vw, 320px); }
  .sidebar.open { display: block; }
  .bottom-nav { display: flex; }
  .main { padding: .8rem .8rem 5rem; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .table-responsive { font-size: .85rem; }
}
.menu-btn { display: none; border: 0; background: transparent; font-size: 1.3rem; }
.lang-switch { font-size: .85rem; border: 1px solid var(--line); border-radius: 999px; padding: .25rem .7rem; }
body.lang-bn { font-family: "Noto Sans Bengali", "Outfit", sans-serif; }
body.lang-bn .serif, body.lang-bn .page-title, body.lang-bn h1, body.lang-bn h2, body.lang-bn .brand b {
  font-family: "Noto Serif Bengali", "Cormorant Garamond", serif;
  letter-spacing: 0;
}
body.lang-bn .kicker, body.lang-bn .brand { letter-spacing: .04em; }
.badge { font-weight: 500; }
.zoomable { cursor: zoom-in; }