/* =====================================================
   M/S ALAMGIR — website styles
   Navy #0B1A33 · Gold #C9A34A · White / Ivory
   ===================================================== */

:root {
  --navy:       #0B1A33;
  --navy-2:     #10244A;
  --navy-3:     #18325F;
  --navy-deep:  #060F22;
  --gold:       #C9A34A;
  --gold-light: #E2C77D;
  --gold-text:  #8C6D1F;
  --ivory:      #F7F5EF;
  --white:      #FFFFFF;
  --line:       #E6E2D8;
  --ink:        #0B1A33;
  --muted:      #56627A;
  --head:       'Playfair Display', Georgia, serif;
  --body:       'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --bn-head:    'Tiro Bangla', serif;
  --bn-body:    'Hind Siliguri', system-ui, sans-serif;
  --r:          10px;
  --r-lg:       18px;
  --shadow-sm:  0 4px 18px rgba(11, 26, 51, 0.08);
  --shadow:     0 18px 50px rgba(11, 26, 51, 0.14);
  --shadow-lg:  0 30px 80px rgba(11, 26, 51, 0.25);
  --ease:       0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-h:      80px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-text-size-adjust: 100%; }
body { font-family: var(--body); font-size: 16px; line-height: 1.72; color: var(--ink); background: var(--white); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
strong { font-weight: 700; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 3px; }

.skip-link { position: absolute; left: 16px; top: -60px; z-index: 3000; background: var(--gold); color: var(--navy); padding: 10px 16px; border-radius: var(--r); font-weight: 700; }
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section { padding: 120px 0; position: relative; }

/* ---------- Type ---------- */
.label { display: inline-flex; align-items: center; gap: 12px; font-size: 0.76rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold-text); margin-bottom: 16px; }
.label::before { content: ''; width: 28px; height: 1.5px; background: currentColor; opacity: 0.8; }
.label.light { color: var(--gold-light); }
.section-head .label::after { content: ''; width: 28px; height: 1.5px; background: currentColor; opacity: 0.8; }
.title { font-family: var(--head); font-weight: 700; font-size: clamp(2.1rem, 4.2vw, 3.2rem); line-height: 1.16; color: var(--navy); margin-bottom: 18px; }
.title em { font-style: italic; color: var(--gold); font-weight: 600; }
.title.light { color: var(--white); }
.sub { color: var(--muted); font-size: 1.05rem; max-width: 640px; margin: 0 auto; }
.sub.light { color: rgba(255, 255, 255, 0.7); }
.section-head { text-align: center; max-width: 780px; margin: 0 auto 64px; }

/* Bangla */
[data-lang="bn"] body, [data-lang="bn"] input, [data-lang="bn"] select, [data-lang="bn"] textarea, [data-lang="bn"] button { font-family: var(--bn-body); }
[data-lang="bn"] .title, [data-lang="bn"] .hero-title, [data-lang="bn"] .hc-name, [data-lang="bn"] .cta h2,
[data-lang="bn"] .form-card h3, [data-lang="bn"] .brand-name, [data-lang="bn"] .pr-name, [data-lang="bn"] .avy-label,
[data-lang="bn"] .sectors-label { font-family: var(--bn-head); letter-spacing: 0; }
[data-lang="bn"] .title em, [data-lang="bn"] .hero-em, [data-lang="bn"] .cta h2 em { font-style: normal; }
[data-lang="bn"] .label, [data-lang="bn"] .eyebrow, [data-lang="bn"] .brand-tag, [data-lang="bn"] .hc-label,
[data-lang="bn"] .client-tag, [data-lang="bn"] .footer-col h4, [data-lang="bn"] .c-item strong, [data-lang="bn"] .svc-flag { letter-spacing: 0.02em; text-transform: none; }
[data-lang="bn"] .label, [data-lang="bn"] .eyebrow { font-size: 0.95rem; }
[data-lang="bn"] body { line-height: 1.85; }
[data-lang="bn"] .hero-title { line-height: 1.3; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 30px; border-radius: 8px; font-size: 0.95rem; font-weight: 700; letter-spacing: 0.01em; border: 2px solid transparent; transition: var(--ease); white-space: nowrap; }
.btn i { font-size: 1.2rem; }
.btn-gold { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn-gold:hover { background: var(--gold-light); border-color: var(--gold-light); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(201, 163, 74, 0.4); }
.btn-outline { color: var(--white); border-color: rgba(255, 255, 255, 0.5); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--white); }
.btn-navy { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-navy:hover { background: var(--navy-3); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(11, 26, 51, 0.3); }
.btn.full { width: 100%; }

/* ---------- Navbar ---------- */
.navbar { position: fixed; inset: 0 0 auto 0; z-index: 1000; transition: background var(--ease), box-shadow var(--ease); }
.navbar.scrolled { background: rgba(6, 15, 34, 0.96); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35); }
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 14px; color: var(--white); }
.brand-mark { width: 28px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 700; font-size: 1.05rem; letter-spacing: 0.24em; }
.brand-tag { font-size: 0.6rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-light); margin-top: 5px; opacity: 0.85; }
.nav-links { display: flex; gap: 2px; }
.nav-link { position: relative; padding: 8px 13px; font-size: 0.9rem; font-weight: 500; color: rgba(255, 255, 255, 0.8); transition: color var(--ease); }
.nav-link::after { content: ''; position: absolute; bottom: 2px; left: 50%; width: 0; height: 2px; background: var(--gold); transform: translateX(-50%); transition: width var(--ease); border-radius: 2px; }
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { width: 55%; }
.nav-right { display: flex; align-items: center; gap: 10px; }
.lang-btn { display: inline-flex; align-items: center; gap: 7px; min-height: 42px; padding: 0 14px; border: 1.5px solid rgba(201, 163, 74, 0.6); border-radius: 8px; color: var(--white); font-size: 0.86rem; font-weight: 700; transition: var(--ease); }
.lang-btn:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.lang-btn i { font-size: 1.05rem; }
#langLabel { font-family: var(--bn-body); }
[data-lang="bn"] #langLabel { font-family: var(--body); }
.nav-call { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; padding: 0 20px; background: var(--gold); color: var(--navy); border-radius: 8px; font-size: 0.88rem; font-weight: 700; transition: var(--ease); }
.nav-call:hover { background: var(--gold-light); transform: translateY(-1px); }
.hamburger { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.hamburger span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--ease); }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { background: var(--navy-deep); border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 10px 24px 26px; display: flex; flex-direction: column; }
.mob-link { padding: 15px 4px; color: rgba(255, 255, 255, 0.85); font-weight: 500; border-bottom: 1px solid rgba(255, 255, 255, 0.07); }
.mob-cta { margin-top: 18px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: calc(var(--nav-h) + 60px) 0 90px; color: var(--white); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; background: var(--navy); }
.hero-bg-img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; animation: kenburns 22s ease-in-out infinite alternate; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.1) translate(-1%, -1%); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(115deg, rgba(6, 15, 34, 0.96) 0%, rgba(11, 26, 51, 0.88) 45%, rgba(11, 26, 51, 0.6) 100%); }
.hero-lines { position: absolute; inset: 0; display: flex; justify-content: space-evenly; pointer-events: none; }
.hero-lines span { width: 1px; background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.06), transparent); }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 64px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 14px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 24px; animation: up 0.8s ease both; }
.ey-line { width: 44px; height: 1.5px; background: var(--gold); }
.hero-title { font-family: var(--head); font-weight: 800; font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 1.08; margin-bottom: 26px; }
.hero-line { display: block; animation: up 0.8s 0.12s ease both; }
.hero-em { display: block; font-style: italic; font-weight: 600; background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 60%, var(--gold) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; animation: up 0.8s 0.24s ease both; }
.hero-sub { font-size: clamp(1rem, 1.35vw, 1.13rem); color: rgba(255, 255, 255, 0.78); max-width: 620px; margin-bottom: 38px; animation: up 0.8s 0.36s ease both; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; animation: up 0.8s 0.48s ease both; }
@keyframes up { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

.hero-card { position: relative; background: rgba(255, 255, 255, 0.07); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.14); border-radius: var(--r-lg); padding: 58px 32px 30px; text-align: center; box-shadow: var(--shadow-lg); animation: up 0.9s 0.5s ease both; }
.hc-seal { position: absolute; top: -38px; left: 50%; transform: translateX(-50%); width: 76px; height: 76px; border-radius: 50%; background: var(--navy); border: 2px solid var(--gold); display: grid; place-items: center; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); }
.hc-seal img { width: 30px; }
.hc-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold-light); }
.hc-name { font-family: var(--head); font-size: 1.75rem; font-weight: 700; line-height: 1.2; margin: 8px 0 6px; }
.hc-title { font-size: 0.88rem; color: rgba(255, 255, 255, 0.7); }
.hc-divider { width: 48px; height: 2px; background: var(--gold); margin: 22px auto; }
.hc-list { display: flex; flex-direction: column; gap: 11px; text-align: left; margin-bottom: 26px; }
.hc-list li { display: flex; align-items: center; gap: 12px; font-size: 0.92rem; color: rgba(255, 255, 255, 0.88); padding: 10px 14px; background: rgba(255, 255, 255, 0.05); border-radius: 8px; }
.hc-list i { color: var(--gold-light); font-size: 1.2rem; }
.hc-phone { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; border-radius: 8px; background: var(--gold); color: var(--navy); font-weight: 700; letter-spacing: 0.02em; transition: var(--ease); }
.hc-phone:hover { background: var(--gold-light); }

.hero-stats { position: relative; z-index: 2; margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(255, 255, 255, 0.06); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: var(--r-lg); animation: up 0.9s 0.62s ease both; }
.hs { padding: 26px 20px; text-align: center; border-right: 1px solid rgba(255, 255, 255, 0.12); }
.hs:last-child { border-right: 0; }
.hs-num { font-family: var(--head); font-size: 2.5rem; font-weight: 800; line-height: 1; color: var(--gold-light); }
.hs-sym { font-size: 1.6rem; }
.hs-label { margin-top: 8px; font-size: 0.8rem; color: rgba(255, 255, 255, 0.65); letter-spacing: 0.04em; }
.scroll-ind { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 2; color: rgba(255, 255, 255, 0.5); }
.scroll-dot { display: block; width: 22px; height: 36px; border: 2px solid currentColor; border-radius: 12px; position: relative; }
.scroll-dot::before { content: ''; position: absolute; left: 50%; top: 6px; width: 4px; height: 7px; margin-left: -2px; background: currentColor; border-radius: 2px; animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: translateY(0); } 50% { opacity: 0; transform: translateY(10px); } }

/* ---------- Marquee ---------- */
.marquee { background: var(--gold); color: var(--navy); overflow: hidden; padding: 18px 0; }
.marquee-track { display: flex; width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-list { display: flex; align-items: center; gap: 34px; padding-right: 34px; }
.marquee-list li { font-family: var(--head); font-size: 1.15rem; font-weight: 700; white-space: nowrap; }
[data-lang="bn"] .marquee-list li { font-family: var(--bn-head); font-weight: 400; }
.marquee-list .dot { font-size: 0.55rem; opacity: 0.6; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-visual { position: relative; padding: 0 40px 60px 0; }
.av-main { border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--navy-2); }
.av-small, .gps-visual img { background: var(--navy-2); }
.av-main img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.av-small { position: absolute; right: 0; bottom: 0; width: 52%; border-radius: var(--r-lg); overflow: hidden; border: 8px solid var(--white); box-shadow: var(--shadow); }
.av-small img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.av-years { position: absolute; top: 36px; left: -26px; background: var(--gold); color: var(--navy); padding: 20px 24px; border-radius: var(--r); box-shadow: var(--shadow); display: flex; align-items: center; gap: 14px; }
.avy-num { font-family: var(--head); font-size: 2.6rem; font-weight: 800; line-height: 1; }
.avy-label { font-size: 0.85rem; font-weight: 700; line-height: 1.3; }
.av-badge { position: absolute; left: 24px; bottom: 90px; background: var(--navy); color: var(--white); padding: 14px 18px; border-radius: var(--r); display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow); border: 2px solid rgba(255, 255, 255, 0.9); }
.av-badge i { font-size: 1.9rem; color: var(--gold); }
.av-badge strong { display: block; font-size: 0.9rem; }
.av-badge span { font-size: 0.76rem; color: rgba(255, 255, 255, 0.65); }
.about-lead { font-size: 1.07rem; color: var(--ink); margin-bottom: 16px; }
.about-desc { color: var(--muted); margin-bottom: 8px; }
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 30px 0; }
.mv-card { background: var(--ivory); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; transition: var(--ease); }
.mv-card:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.mv-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--navy); display: grid; place-items: center; margin-bottom: 14px; }
.mv-icon i { color: var(--gold); font-size: 1.35rem; }
.mv-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.mv-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }
.principal { display: flex; align-items: center; gap: 16px; padding-top: 26px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.pr-avatar { width: 56px; height: 56px; border-radius: 50%; background: var(--navy); border: 2px solid var(--gold); display: grid; place-items: center; flex-shrink: 0; }
.pr-avatar img { width: 22px; }
.pr-name { font-family: var(--head); font-size: 1.2rem; font-weight: 700; line-height: 1.2; }
.pr-role { font-size: 0.82rem; color: var(--muted); }
.pr-btn { margin-left: auto; }

/* ---------- Services ---------- */
.services { background: var(--navy); overflow: hidden; }
.services-pattern { position: absolute; inset: 0; opacity: 0.06; pointer-events: none;
  background-image: linear-gradient(rgba(201, 163, 74, 1) 1px, transparent 1px), linear-gradient(90deg, rgba(201, 163, 74, 1) 1px, transparent 1px);
  background-size: 80px 80px; -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%); }
.svc-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.svc { position: relative; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.09); border-radius: var(--r-lg); padding: 34px 26px 30px; color: var(--white); overflow: hidden; transition: var(--ease); }
.svc::before { content: ''; position: absolute; inset: 0; background: linear-gradient(145deg, rgba(201, 163, 74, 0.14), transparent 60%); opacity: 0; transition: opacity var(--ease); }
.svc:hover { transform: translateY(-6px); border-color: rgba(201, 163, 74, 0.45); box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35); }
.svc:hover::before { opacity: 1; }
.svc-no { position: absolute; top: 22px; right: 24px; font-family: var(--head); font-size: 1.9rem; font-weight: 800; color: rgba(255, 255, 255, 0.07); transition: color var(--ease); }
.svc:hover .svc-no { color: rgba(201, 163, 74, 0.3); }
.svc-flag { position: absolute; top: 24px; right: 70px; background: var(--gold); color: var(--navy); font-size: 0.66rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 9px; border-radius: 20px; }
.svc-icon { position: relative; width: 58px; height: 58px; border-radius: 14px; background: rgba(201, 163, 74, 0.12); border: 1px solid rgba(201, 163, 74, 0.25); display: grid; place-items: center; margin-bottom: 22px; transition: var(--ease); }
.svc-icon i { font-size: 1.75rem; color: var(--gold-light); transition: color var(--ease); }
.svc:hover .svc-icon { background: var(--gold); border-color: var(--gold); }
.svc:hover .svc-icon i { color: var(--navy); }
.svc h3 { position: relative; font-size: 1.08rem; font-weight: 700; line-height: 1.35; margin-bottom: 10px; }
.svc p { position: relative; font-size: 0.88rem; color: rgba(255, 255, 255, 0.62); line-height: 1.65; }
.svc-new { border-color: rgba(201, 163, 74, 0.45); background: linear-gradient(160deg, rgba(201, 163, 74, 0.12), rgba(255, 255, 255, 0.03)); }

/* ---------- GPS feature ---------- */
.gps { background: var(--ivory); }
.gps-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.gps-visual { position: relative; }
.gps-visual img { width: 100%; aspect-ratio: 5 / 4; object-fit: cover; border-radius: var(--r-lg); box-shadow: var(--shadow-lg); }
.gps-visual::before { content: ''; position: absolute; inset: -18px 18px 18px -18px; border: 2px solid var(--gold); border-radius: var(--r-lg); z-index: -1; }
.gps-chip { position: absolute; display: flex; align-items: center; gap: 12px; background: var(--white); color: var(--navy); padding: 14px 18px; border-radius: var(--r); box-shadow: var(--shadow); font-size: 0.86rem; font-weight: 600; }
.gps-chip i { font-size: 1.6rem; color: var(--gold-text); }
.gps-chip strong { display: block; font-size: 0.95rem; font-family: var(--body); letter-spacing: 0.02em; }
.gps-chip span { color: var(--muted); font-weight: 500; }
.gps-chip-a { top: 28px; right: -22px; }
.gps-chip-b { bottom: 30px; left: -22px; background: var(--navy); color: var(--white); }
.gps-chip-b i { color: var(--gold-light); }
.gps-chip-b span { color: var(--white); }
.gps-lead { color: var(--muted); font-size: 1.05rem; margin-bottom: 26px; }
.gps-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 34px; }
.gps-list li { display: flex; align-items: flex-start; gap: 12px; font-weight: 500; }
.gps-list i { color: var(--gold-text); font-size: 1.35rem; flex-shrink: 0; margin-top: 1px; }

/* ---------- Clients ---------- */
.client-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.client { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; transition: var(--ease); }
.client:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.client-img { position: relative; height: 220px; overflow: hidden; background: var(--navy); }
.client-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.client:hover .client-img img { transform: scale(1.07); }
.client-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(6, 15, 34, 0.75), transparent 60%); }
.client-tag { position: absolute; left: 18px; bottom: 16px; z-index: 1; display: inline-flex; align-items: center; gap: 7px; background: var(--gold); color: var(--navy); font-size: 0.76rem; font-weight: 800; padding: 6px 12px; border-radius: 6px; letter-spacing: 0.04em; }
.client-body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.client-body h3 { font-family: var(--head); font-size: 1.45rem; font-weight: 700; line-height: 1.2; margin-bottom: 6px; }
.client-sector { font-size: 0.8rem; font-weight: 700; color: var(--gold-text); margin-bottom: 12px; }
.client-body > p:not(.client-sector) { font-size: 0.9rem; color: var(--muted); line-height: 1.65; flex: 1; }
.client-link { margin-top: 18px; align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; font-size: 0.86rem; font-weight: 700; color: var(--navy); border-bottom: 2px solid var(--gold); padding-bottom: 2px; transition: color var(--ease); }
.client-link:hover { color: var(--gold-text); }
.sectors { margin-top: 60px; text-align: center; }
.sectors-label { font-family: var(--head); font-style: italic; font-size: 1.3rem; color: var(--navy); margin-bottom: 22px; }
[data-lang="bn"] .sectors-label { font-style: normal; }
.sector-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.sector-list li { display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; background: var(--ivory); border: 1px solid var(--line); border-radius: 100px; font-size: 0.9rem; font-weight: 600; transition: var(--ease); }
.sector-list li:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }
.sector-list i { color: var(--gold-text); font-size: 1.15rem; }
.sector-list li:hover i { color: var(--gold-light); }

/* ---------- Why ---------- */
.why { background: var(--ivory); }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why-card { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 36px 30px; overflow: hidden; transition: var(--ease); }
.why-card:hover { border-color: var(--navy); transform: translateY(-5px); box-shadow: var(--shadow); }
.why-num { position: absolute; top: 18px; right: 22px; font-family: var(--head); font-size: 3rem; font-weight: 800; line-height: 1; color: #EFECE4; transition: color var(--ease); }
.why-card:hover .why-num { color: rgba(201, 163, 74, 0.25); }
.why-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--navy); display: grid; place-items: center; margin-bottom: 20px; transition: var(--ease); }
.why-icon i { color: var(--gold); font-size: 1.65rem; transition: color var(--ease); }
.why-card:hover .why-icon { background: var(--gold); }
.why-card:hover .why-icon i { color: var(--navy); }
.why-card h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.68; }

/* ---------- Process ---------- */
.process { background: var(--navy-deep); overflow: hidden; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps::before { content: ''; position: absolute; top: 36px; left: 12%; right: 12%; height: 2px; background: linear-gradient(90deg, transparent, var(--gold), var(--gold), transparent); opacity: 0.5; }
.step { position: relative; text-align: center; color: var(--white); padding: 0 10px; }
.step-no { position: relative; z-index: 1; display: inline-grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; background: var(--navy-2); border: 2px solid var(--gold); font-family: var(--head); font-size: 1.5rem; font-weight: 800; color: var(--gold-light); margin-bottom: 22px; box-shadow: 0 0 0 8px var(--navy-deep); }
.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: rgba(255, 255, 255, 0.62); line-height: 1.65; }

/* ---------- CTA ---------- */
.cta { position: relative; padding: 120px 0; color: var(--white); text-align: center; overflow: hidden; background-color: var(--navy); }
.cta-bg { position: absolute; inset: 0; background-color: var(--navy); background-image: url('https://images.unsplash.com/photo-1589829545856-d10d557cf95f?w=2000&q=80'); background-position: center; background-size: cover; background-repeat: no-repeat; background-attachment: fixed; }
.cta-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(rgba(6, 15, 34, 0.88), rgba(11, 26, 51, 0.92)); }
.cta-inner { position: relative; }
.cta h2 { font-family: var(--head); font-weight: 700; font-size: clamp(2rem, 4.2vw, 3.2rem); line-height: 1.2; margin-bottom: 36px; }
.cta h2 em { font-style: italic; color: var(--gold-light); font-weight: 600; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

/* ---------- Contact ---------- */
.contact { background: var(--navy); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: start; }
.contact-intro { color: rgba(255, 255, 255, 0.7); margin-bottom: 34px; font-size: 1.03rem; }
.contact-items { display: flex; flex-direction: column; gap: 20px; margin-bottom: 34px; }
.c-item { display: flex; align-items: flex-start; gap: 16px; }
.c-icon { width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px; background: rgba(201, 163, 74, 0.12); border: 1px solid rgba(201, 163, 74, 0.3); display: grid; place-items: center; }
.c-icon i { color: var(--gold-light); font-size: 1.3rem; }
.c-item strong { display: block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 3px; }
.c-item span, .c-item a { color: rgba(255, 255, 255, 0.88); font-size: 0.96rem; line-height: 1.6; }
.c-item a:hover { color: var(--gold-light); }
.whatsapp-btn { display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 28px; background: #25D366; color: #fff; border-radius: 8px; font-weight: 700; transition: var(--ease); }
.whatsapp-btn i { font-size: 1.45rem; }
.whatsapp-btn:hover { background: #1fbd5a; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(37, 211, 102, 0.35); }
.form-card { background: var(--white); border-radius: var(--r-lg); padding: 42px 40px; box-shadow: var(--shadow-lg); border-top: 4px solid var(--gold); }
.form-card h3 { font-family: var(--head); font-size: 1.7rem; font-weight: 700; line-height: 1.2; }
.form-note { font-size: 0.88rem; color: var(--muted); margin: 6px 0 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.field label { font-size: 0.84rem; font-weight: 700; }
.req { color: var(--gold-text); }
.field input, .field select, .field textarea { width: 100%; min-height: 50px; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: 8px; background: #FAF9F5; font-size: 0.95rem; transition: var(--ease); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--navy); background: var(--white); box-shadow: 0 0 0 4px rgba(11, 26, 51, 0.08); }
.field input.invalid, .field textarea.invalid { border-color: #B42318; }
.field textarea { resize: vertical; min-height: 120px; }
.field select { appearance: none; -webkit-appearance: none; padding-right: 44px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%2356627A' d='M5.23 7.21a.75.75 0 011.06.02L10 11.17l3.71-3.94a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 18px; }
.form-error { color: #B42318; font-size: 0.86rem; font-weight: 600; margin: -4px 0 14px; }
.map-wrap { margin-top: 64px; height: 400px; border-radius: var(--r-lg); overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: var(--shadow-lg); }
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- Footer ---------- */
.footer { background: var(--navy-deep); color: rgba(255, 255, 255, 0.58); padding-top: 76px; border-top: 3px solid var(--gold); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.3fr 1fr; gap: 44px; padding-bottom: 56px; }
.footer-brand p { margin: 20px 0 22px; font-size: 0.9rem; max-width: 320px; line-height: 1.7; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 10px; font-size: 1.15rem; transition: var(--ease); }
.footer-social a:hover { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.footer-col h4 { color: var(--white); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; font-size: 0.9rem; }
.footer-col a { transition: color var(--ease); }
.footer-col a:hover { color: var(--gold-light); }
.footer-contact strong { display: block; color: rgba(255, 255, 255, 0.88); font-size: 0.84rem; margin-bottom: 2px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.07); padding: 22px 0; }
.footer-bot-inner { display: flex; justify-content: space-between; gap: 16px; font-size: 0.82rem; color: rgba(255, 255, 255, 0.4); }

/* ---------- Floating ---------- */
.wa-float { position: fixed; right: 24px; bottom: 24px; z-index: 900; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: #25D366; color: #fff; font-size: 1.9rem; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); transition: var(--ease); }
.wa-float:hover { transform: translateY(-3px) scale(1.05); }
.back-top { position: fixed; right: 32px; bottom: 96px; z-index: 900; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: var(--gold-light); border: 1.5px solid var(--gold); font-size: 1.15rem; opacity: 0; pointer-events: none; transition: var(--ease); }
.back-top.visible { opacity: 1; pointer-events: auto; }
.back-top:hover { background: var(--gold); color: var(--navy); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-link { padding: 8px 9px; font-size: 0.85rem; }
}
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 72px; }
  .hero-card { max-width: 440px; }
  .about-grid, .gps-grid { grid-template-columns: 1fr; gap: 64px; }
  .about-visual { max-width: 560px; margin: 0 auto; width: 100%; }
  .gps-visual { max-width: 620px; margin: 0 auto; width: 100%; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-bg { background-attachment: scroll; }
}
@media (max-width: 960px) {
  .nav-links, .nav-call { display: none; }
  .hamburger { display: flex; }
  .client-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .steps::before { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hs:nth-child(2) { border-right: 0; }
  .hs:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
}
@media (max-width: 640px) {
  .section { padding: 84px 0; }
  .container { padding: 0 16px; }
  .brand-tag { display: none; }
  .lang-btn { padding: 0 10px; }
  .hero { padding: calc(var(--nav-h) + 40px) 0 80px; min-height: auto; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-stats { margin-top: 48px; }
  .hs-num { font-size: 2rem; }
  .scroll-ind { display: none; }
  .svc-grid, .why-grid, .steps { grid-template-columns: 1fr; }
  .about-visual { padding: 0 0 50px 0; }
  .av-years { left: 12px; top: 12px; padding: 14px 16px; }
  .avy-num { font-size: 2rem; }
  .av-badge { left: 12px; bottom: 70px; }
  .av-small { width: 55%; border-width: 6px; }
  .mv-grid, .form-row { grid-template-columns: 1fr; }
  .pr-btn { margin-left: 0; width: 100%; }
  .gps-chip-a { right: 8px; top: 12px; }
  .gps-chip-b { left: 8px; bottom: 12px; }
  .gps-visual::before { display: none; }
  .form-card { padding: 30px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bot-inner { flex-direction: column; text-align: center; }
  .map-wrap { height: 320px; }
  .back-top { right: 30px; bottom: 92px; }
}

/* =====================================================
   v3 ADDITIONS — tools, FAQ, mobile experience
   ===================================================== */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.btn.sm { min-height: 44px; padding: 0 18px; font-size: 0.86rem; }
.btn-wa { background: #25D366; color: #fff; border-color: #25D366; }
.btn-wa:hover { background: #1fbd5a; border-color: #1fbd5a; }
.btn-line-navy { color: var(--navy); border-color: var(--navy); }
.btn-line-navy:hover { background: var(--navy); color: #fff; }
.mob-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
.mob-info { margin-top: 14px; font-size: 0.82rem; color: rgba(255, 255, 255, 0.55); text-align: center; }
.mobile-nav { max-height: calc(100vh - var(--nav-h)); overflow-y: auto; }
.swipe-hint { display: none; align-items: center; justify-content: center; gap: 8px; font-size: 0.8rem; font-weight: 600; color: var(--muted); margin: -36px 0 18px; }
.swipe-hint.light { color: rgba(255, 255, 255, 0.55); }
.swipe-hint i { font-size: 1.2rem; animation: nudge 1.6s ease-in-out infinite; }
@keyframes nudge { 50% { transform: translateX(-6px); } }

/* ---------- Document checklist ---------- */
.documents { background: var(--white); }
.cl { display: grid; grid-template-columns: 300px 1fr; gap: 28px; align-items: start; max-width: 1080px; margin: 0 auto; }
.cl-tabs { display: flex; flex-direction: column; gap: 10px; }
.cl-tab { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; min-height: 56px; padding: 14px 18px; border-radius: var(--r); border: 1.5px solid var(--line); background: var(--ivory); font-weight: 700; font-size: 0.94rem; transition: var(--ease); }
.cl-tab i { font-size: 1.4rem; color: var(--gold-text); flex-shrink: 0; }
.cl-tab:hover { border-color: var(--navy); }
.cl-tab[aria-selected="true"] { background: var(--navy); color: #fff; border-color: var(--navy); box-shadow: 0 10px 26px rgba(11, 26, 51, 0.2); }
.cl-tab[aria-selected="true"] i { color: var(--gold-light); }
.cl-panel { background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--gold); border-radius: var(--r-lg); padding: 30px 32px; box-shadow: var(--shadow); }
.cl-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.cl-head h3 { font-family: var(--head); font-size: 1.55rem; font-weight: 700; line-height: 1.25; }
[data-lang="bn"] .cl-head h3 { font-family: var(--bn-head); font-weight: 400; }
.cl-progress { font-size: 0.84rem; font-weight: 700; color: var(--gold-text); white-space: nowrap; }
.cl-bar { height: 6px; background: var(--ivory); border-radius: 6px; overflow: hidden; margin: 16px 0 8px; }
.cl-bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--gold), var(--gold-light)); border-radius: 6px; transition: width 0.4s ease; }
.cl-list li { border-bottom: 1px dashed var(--line); }
.cl-list label { display: flex; align-items: flex-start; gap: 14px; padding: 14px 2px; cursor: pointer; min-height: 48px; }
.cl-list input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.cl-box { flex-shrink: 0; width: 24px; height: 24px; border: 2px solid var(--navy); border-radius: 6px; display: grid; place-items: center; transition: var(--ease); margin-top: 1px; }
.cl-box i { font-size: 0.85rem; color: #fff; opacity: 0; }
.cl-list input:checked + .cl-box { background: var(--navy); }
.cl-list input:checked + .cl-box i { opacity: 1; }
.cl-list input:focus-visible + .cl-box { outline: 2px solid var(--gold); outline-offset: 2px; }
.cl-list input:checked ~ .cl-text { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--gold); }
.cl-text { font-weight: 500; }
.cl-foot { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 22px; flex-wrap: wrap; }
.cl-note { font-size: 0.84rem; color: var(--muted); max-width: 400px; }
.cl-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Converter ---------- */
.converter { background: var(--navy); color: #fff; padding: 100px 0; position: relative; overflow: hidden; }
.converter::before { content: ''; position: absolute; left: -140px; bottom: -140px; width: 520px; height: 520px; border-radius: 50%; background: repeating-radial-gradient(circle, rgba(201, 163, 74, 0.1) 0 1px, transparent 1px 44px); pointer-events: none; }
.conv-grid { position: relative; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center; }
.conv-sub { color: rgba(255, 255, 255, 0.75); font-size: 1.05rem; margin-bottom: 16px; }
.conv-note { font-size: 0.84rem; color: rgba(255, 255, 255, 0.5); max-width: 460px; }
.conv-card { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: var(--r-lg); padding: 26px; -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.conv-input { display: grid; grid-template-columns: 1fr 230px; gap: 10px; margin-bottom: 18px; }
.conv-input input, .conv-input select { min-height: 58px; border-radius: var(--r); border: 1.5px solid rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.08); color: #fff; padding: 0 18px; font-size: 1.3rem; font-weight: 700; width: 100%; }
.conv-input select { font-size: 0.95rem; appearance: none; -webkit-appearance: none; padding-right: 40px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%23E2C77D' d='M5.23 7.21a.75.75 0 011.06.02L10 11.17l3.71-3.94a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 18px; }
.conv-input select option { color: var(--ink); }
.conv-input input:focus, .conv-input select:focus { outline: none; border-color: var(--gold); }
.conv-out { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.conv-out li { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--r); padding: 14px 16px; }
.conv-out li.is-from { border-color: var(--gold); background: rgba(201, 163, 74, 0.12); }
.conv-out strong { display: block; font-family: var(--head); font-size: 1.35rem; font-weight: 700; color: var(--gold-light); font-variant-numeric: tabular-nums; word-break: break-all; }
.conv-out span { font-size: 0.8rem; color: rgba(255, 255, 255, 0.65); font-weight: 500; }

/* ---------- FAQ ---------- */
.faq { background: var(--ivory); }
.faq-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: start; }
.faq-sub { color: var(--muted); margin-bottom: 26px; }
.faq-list { border-top: 2px solid var(--navy); }
.qa { border-bottom: 1px solid var(--line); }
.qa summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; min-height: 56px; font-weight: 700; font-size: 1.05rem; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: '+'; flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--white); border: 1px solid var(--line); color: var(--gold-text); font-size: 1.3rem; font-weight: 500; transition: var(--ease); }
.qa[open] summary::after { transform: rotate(45deg); background: var(--navy); color: var(--gold-light); border-color: var(--navy); }
.qa p { padding: 0 50px 24px 0; color: var(--muted); }

/* ---------- Mobile action bar ---------- */
.action-bar { display: none; }

/* ---------- Print: checklist only ---------- */
@media print {
  body * { visibility: hidden; }
  #clPanel, #clPanel * { visibility: visible; }
  #clPanel { position: absolute; inset: 0 auto auto 0; width: 100%; box-shadow: none; border: 0; }
  .cl-actions { display: none; }
}

/* ---------- Responsive (v3) ---------- */
@media (max-width: 1180px) {
  .nav-links { gap: 0; }
}
@media (max-width: 1024px) {
  .conv-grid, .faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .cl { grid-template-columns: 1fr; }
  .cl-tabs { flex-direction: row; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; scrollbar-width: none; }
  .cl-tabs::-webkit-scrollbar { display: none; }
  .cl-tab { flex: 0 0 auto; width: auto; scroll-snap-align: start; }
}
@media (max-width: 960px) {
  .action-bar { display: grid; grid-template-columns: repeat(4, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 950; background: rgba(6, 15, 34, 0.97); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-top: 1px solid rgba(201, 163, 74, 0.4); padding-bottom: env(safe-area-inset-bottom); }
  .action-bar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-height: 62px; color: rgba(255, 255, 255, 0.85); font-size: 0.72rem; font-weight: 700; }
  .action-bar a i { font-size: 1.4rem; color: var(--gold-light); }
  .action-bar .ab-wa { background: #25D366; color: #fff; }
  .action-bar .ab-wa i { color: #fff; }
  body { padding-bottom: 62px; }
  .wa-float { display: none; }
  .back-top { bottom: 80px; right: 16px; }
}
@media (max-width: 640px) {
  .section-head { margin-bottom: 44px; }
  .hero-title { font-size: clamp(2.2rem, 10vw, 2.9rem); }
  .hero-sub { font-size: 0.98rem; }
  .hero-card { padding: 50px 20px 22px; }
  .hc-name { font-size: 1.45rem; }
  .hs { padding: 18px 10px; }
  .hs-label { font-size: 0.72rem; }
  .marquee-list li { font-size: 1rem; }
  .title { font-size: clamp(1.8rem, 8vw, 2.3rem); }

  /* swipeable card rows */
  .swipe-hint { display: flex; }
  .scroller { display: flex !important; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; margin: 0 -16px; padding: 4px 16px 18px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .scroller::-webkit-scrollbar { display: none; }
  .scroller > * { flex: 0 0 84%; scroll-snap-align: start; }
  .client-grid.scroller { max-width: none; }
  .svc { padding: 28px 22px 24px; }

  .cl-panel { padding: 22px 18px; }
  .cl-head { flex-direction: column; gap: 4px; }
  .cl-actions { width: 100%; }
  .cl-actions .btn { flex: 1; }
  .converter { padding: 72px 0; }
  .conv-input { grid-template-columns: 1fr; }
  .conv-out { grid-template-columns: 1fr 1fr; }
  .conv-out strong { font-size: 1.1rem; }
  .qa summary { font-size: 0.98rem; padding: 18px 0; }
  .qa p { padding-right: 0; }
  .contact-items { gap: 16px; }
  .c-item span, .c-item a { font-size: 0.92rem; word-break: break-word; }
  .whatsapp-btn { width: 100%; justify-content: center; }
  .footer { padding-bottom: 10px; }
}

/* =====================================================
   v4 — trust chips, converter redesign, Aerovise credit
   ===================================================== */

/* Hero trust chips */
.trust-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; animation: up 0.8s 0.6s ease both; }
.trust-chips li { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 100px; background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.14); font-size: 0.82rem; font-weight: 600; color: rgba(255, 255, 255, 0.9); }
.trust-chips i { color: var(--gold-light); font-size: 1.05rem; }

/* Converter (step layout) */
.conv-card { padding: 28px; }
.conv-lbl { display: block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-light); margin: 0 0 10px; }
[data-lang="bn"] .conv-lbl { letter-spacing: 0.02em; text-transform: none; font-size: 0.9rem; }
.conv-lbl:not(:first-child) { margin-top: 22px; }
.conv-input-wrap { position: relative; display: flex; align-items: center; background: rgba(255, 255, 255, 0.08); border: 1.5px solid rgba(255, 255, 255, 0.22); border-radius: 14px; transition: border-color var(--ease), box-shadow var(--ease); }
.conv-input-wrap:focus-within { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(201, 163, 74, 0.18); }
.conv-input-wrap input { flex: 1; min-width: 0; min-height: 66px; background: transparent; border: 0; color: #fff; padding: 0 20px; font-family: var(--head); font-size: 2rem; font-weight: 700; -moz-appearance: textfield; }
.conv-input-wrap input::-webkit-outer-spin-button, .conv-input-wrap input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.conv-input-wrap input:focus { outline: none; }
.conv-suffix { padding: 0 20px; font-weight: 700; color: var(--gold-light); font-size: 1rem; white-space: nowrap; }
.unit-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.unit-chip { min-height: 42px; padding: 0 16px; border-radius: 100px; border: 1.5px solid rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.04); color: rgba(255, 255, 255, 0.85); font-size: 0.88rem; font-weight: 600; transition: var(--ease); }
.unit-chip:hover { border-color: var(--gold-light); color: #fff; }
.unit-chip[aria-checked="true"] { background: var(--gold); border-color: var(--gold); color: var(--navy); font-weight: 800; }
.conv-out { grid-template-columns: repeat(4, 1fr); gap: 8px; }
.conv-out li { padding: 12px 14px; }
.conv-out strong { font-size: 1.15rem; }
.conv-out span { font-size: 0.76rem; }
.conv-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 18px; }
.conv-act { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 12px; border-radius: 12px; border: 1.5px solid rgba(255, 255, 255, 0.2); color: #fff; font-size: 0.86rem; font-weight: 700; transition: var(--ease); }
.conv-act i { font-size: 1.15rem; color: var(--gold-light); }
.conv-act:hover { border-color: var(--gold-light); background: rgba(255, 255, 255, 0.05); }
.conv-act.gold { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.conv-act.gold i { color: var(--navy); }
.conv-act.gold:hover { background: var(--gold-light); border-color: var(--gold-light); }

/* Aerovise credit */
.credit { display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: 18px; margin: 0 0 30px; padding: 18px 22px; border-radius: 16px; background: linear-gradient(120deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)); border: 1px solid rgba(255, 255, 255, 0.1); transition: var(--ease); }
.credit:hover { border-color: rgba(201, 163, 74, 0.55); transform: translateY(-2px); }
.credit-mark { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: #fff; color: var(--navy-deep); font-family: var(--body); font-weight: 800; font-size: 1.2rem; }
.credit-text { display: flex; flex-direction: column; line-height: 1.25; }
.credit-top { font-size: 0.74rem; color: rgba(255, 255, 255, 0.5); }
.credit-name { font-weight: 800; font-size: 1.1rem; color: #fff; letter-spacing: 0.02em; }
.credit-pitch { font-size: 0.88rem; color: rgba(255, 255, 255, 0.62); padding-left: 18px; border-left: 1px solid rgba(255, 255, 255, 0.12); }
.credit-cta { display: inline-flex; align-items: center; gap: 6px; padding: 10px 16px; border-radius: 100px; background: rgba(201, 163, 74, 0.14); color: var(--gold-light); font-weight: 700; font-size: 0.86rem; white-space: nowrap; }
.credit:hover .credit-cta { background: var(--gold); color: var(--navy); }

@media (max-width: 1024px) {
  .conv-out { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 760px) {
  .credit { grid-template-columns: auto 1fr auto; }
  .credit-pitch { grid-column: 1 / -1; grid-row: 2; padding-left: 0; border-left: 0; }
}
@media (max-width: 640px) {
  .trust-chips { gap: 8px; margin-top: 24px; }
  .trust-chips li { font-size: 0.76rem; padding: 7px 11px; }
  .conv-card { padding: 20px 16px; }
  .conv-input-wrap input { font-size: 1.7rem; min-height: 60px; padding: 0 16px; }
  .unit-chips { flex-wrap: nowrap; overflow-x: auto; margin: 0 -16px; padding: 2px 16px 6px; scrollbar-width: none; }
  .unit-chips::-webkit-scrollbar { display: none; }
  .unit-chip { flex: 0 0 auto; }
  .conv-out { grid-template-columns: repeat(2, 1fr); }
  .conv-actions { grid-template-columns: 1fr 1fr; }
  .conv-act.gold { grid-column: 1 / -1; }
  .credit { padding: 16px; gap: 12px; }
  .credit-cta span { display: none; }
  .credit-cta { padding: 10px 12px; }
}
/* keep grid children from overflowing on small screens */
.conv-grid > *, .contact-grid > *, .faq-grid > *, .cl > * { min-width: 0; }
.conv-card { max-width: 100%; }