/* NilKishorIT — Goddi's one-page site. Plain CSS, no build step. */
:root {
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-soft: #eef2f7;
  --bg: #ffffff;
  --soft: #f8fafc;
  --brand: #1d4ed8;
  --brand-hover: #1e40af;
  --brand-tint: #eff4ff;
  --night: #0b1222;
  --night-2: #111a2e;
  --night-line: #1e293b;
  --green: #16a34a;
  --radius: 12px;
  --radius-lg: 16px;
  --wrap: 1160px;
  --header: 64px;
  font-family: "Inter", "Hind Siliguri", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
:root[data-lang="bn"] { font-family: "Hind Siliguri", "Inter", system-ui, sans-serif; }
:root[data-lang="bn"] .en, :root[data-lang="en"] .bn { display: none !important; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 12px); }
body { margin: 0; background: var(--bg); font-size: 15px; line-height: 1.65; }
:root[data-lang="bn"] body { font-size: 16px; line-height: 1.7; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
h1, h2, h3 { color: var(--ink); margin: 0 0 .5em; font-weight: 700; line-height: 1.2; letter-spacing: -.02em; }
:root[data-lang="bn"] h1, :root[data-lang="bn"] h2, :root[data-lang="bn"] h3 { line-height: 1.35; letter-spacing: 0; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Buttons — compact, quiet */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .45em; height: 40px; padding: 0 16px; border-radius: 8px; font: inherit; font-size: 14px; font-weight: 600; line-height: 1; border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: background-color .15s, border-color .15s, color .15s; }
:root[data-lang="bn"] .btn { font-size: 15px; }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-sm { height: 34px; padding: 0 12px; font-size: 13px; }
:root[data-lang="bn"] .btn-sm { font-size: 14px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: #cbd5e1; background: var(--soft); }
.btn-wa { background: var(--green); color: #fff; }
.btn-wa:hover { background: #15803d; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: #e2e8f0; }
.btn-ghost-dark { background: transparent; color: #e2e8f0; border-color: #334155; }
.btn-ghost-dark:hover { border-color: #64748b; color: #fff; }
.btn-block { width: 100%; }

/* Offer strip */
.offer-bar { background: var(--night); color: #cbd5e1; font-size: 13px; text-align: center; padding: 9px 24px; line-height: 1.5; }
:root[data-lang="bn"] .offer-bar { font-size: 14px; }
.offer-bar strong { color: #fff; font-weight: 600; }
.offer-bar a { color: #93c5fd; margin-left: .35em; white-space: nowrap; }
.offer-bar a:hover { color: #bfdbfe; }

/* Header — logo left, menu centred, actions right */
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(1.5) blur(12px); border-bottom: 1px solid var(--line-soft); }
.site-header .wrap { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: var(--header); gap: 16px; }
.brand { justify-self: start; display: flex; align-items: center; }
.brand img { height: 34px; width: auto; }
.nav { display: flex; justify-content: center; gap: 4px; }
.nav a { color: var(--text); font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 8px; transition: color .15s, background-color .15s; }
:root[data-lang="bn"] .nav a { font-size: 15px; }
.nav a:hover { color: var(--ink); background: var(--soft); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }
.lang { display: inline-flex; padding: 3px; background: var(--soft); border: 1px solid var(--line); border-radius: 8px; }
.lang button { border: 0; background: transparent; height: 26px; padding: 0 9px; border-radius: 6px; font: inherit; font-size: 12px; font-weight: 600; color: var(--muted); cursor: pointer; }
.lang button[aria-pressed="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(15, 23, 42, .08); }
.menu-btn { display: none; width: 38px; height: 38px; border: 1px solid var(--line); background: #fff; border-radius: 8px; cursor: pointer; padding: 0; }
.menu-btn span { display: block; width: 16px; height: 1.5px; background: var(--ink); margin: 4px auto; border-radius: 2px; }

/* Hero */
.hero { position: relative; padding: 72px 0 64px; overflow: hidden; background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%); }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 0%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 0%, transparent 75%); pointer-events: none; }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--text); background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px 4px 6px; margin-bottom: 22px; }
:root[data-lang="bn"] .eyebrow { font-size: 14px; }
.eyebrow img { height: 18px; width: auto; }
.hero h1 { font-size: clamp(2rem, 3.8vw, 3.1rem); letter-spacing: -.03em; margin-bottom: 18px; }
:root[data-lang="bn"] .hero h1 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero .lead { font-size: 17px; color: var(--muted); max-width: 32em; margin-bottom: 28px; }
:root[data-lang="bn"] .hero .lead { font-size: 18px; }
.ctas { display: flex; flex-wrap: wrap; gap: 10px; }
.ticks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(2, max-content); gap: 8px 28px; font-size: 14px; color: var(--text); }
:root[data-lang="bn"] .ticks { font-size: 15px; }
.ticks li { display: flex; align-items: center; gap: 8px; }
.ticks svg { width: 16px; height: 16px; color: var(--green); flex: none; }

.showcase { position: relative; padding-bottom: 28px; }
.window { background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 24px 48px -12px rgba(15, 23, 42, .18); }
.window-bar { height: 28px; background: var(--soft); border-bottom: 1px solid var(--line-soft); display: flex; align-items: center; gap: 6px; padding: 0 12px; }
.window-bar i { width: 9px; height: 9px; border-radius: 50%; background: #d8dee8; }
.phone { position: absolute; right: -12px; bottom: 0; width: 27%; max-width: 172px; border-radius: 22px; border: 6px solid #0f172a; overflow: hidden; background: #0f172a; box-shadow: 0 20px 40px -10px rgba(15, 23, 42, .35); }

/* Sections */
section { padding: 96px 0; }
.section-alt { background: var(--soft); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.section-head { max-width: 680px; margin: 0 auto 52px; text-align: center; }
.label { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--brand); margin-bottom: 10px; }
:root[data-lang="bn"] .label { font-size: 14px; letter-spacing: 0; text-transform: none; }
.section-head h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); letter-spacing: -.025em; }
.section-head p { color: var(--muted); font-size: 16px; margin: 0; }
:root[data-lang="bn"] .section-head p { font-size: 17px; }

/* Pains */
.pains { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.pain { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; }
.pain .q { color: var(--ink); font-weight: 700; font-size: 17px; margin-bottom: 10px; }
:root[data-lang="bn"] .pain .q { font-size: 18px; }
.pain .a { color: var(--muted); margin: 0; }
.pain .tag { display: inline-block; font-size: 12px; font-weight: 600; color: #b91c1c; background: #fef2f2; border-radius: 6px; padding: 2px 8px; margin-bottom: 14px; }
:root[data-lang="bn"] .pain .tag { font-size: 13px; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.feature { padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.feature .icon { width: 36px; height: 36px; border-radius: 9px; background: var(--brand-tint); color: var(--brand); display: grid; place-items: center; margin-bottom: 16px; }
.feature .icon svg { width: 18px; height: 18px; }
.feature h3 { font-size: 16px; margin-bottom: 6px; }
:root[data-lang="bn"] .feature h3 { font-size: 17px; }
.feature p { color: var(--muted); margin: 0; font-size: 14px; }
:root[data-lang="bn"] .feature p { font-size: 15px; }

/* Trust band */
.band { background: var(--night); color: #cbd5e1; }
.band .label { color: #93c5fd; }
.band .section-head h2 { color: #fff; }
.band .section-head p { color: #94a3b8; }
.trust { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1px solid var(--night-line); border-radius: var(--radius-lg); overflow: hidden; }
.trust > div { padding: 28px; border-right: 1px solid var(--night-line); background: var(--night-2); }
.trust > div:last-child { border-right: 0; }
.trust svg { width: 20px; height: 20px; color: #93c5fd; margin-bottom: 14px; }
.trust strong { display: block; color: #fff; font-size: 15px; margin-bottom: 6px; }
:root[data-lang="bn"] .trust strong { font-size: 16px; }
.trust p { margin: 0; font-size: 14px; color: #94a3b8; }
:root[data-lang="bn"] .trust p { font-size: 15px; }

/* Screens */
.tabs { display: flex; justify-content: center; margin: 0 auto 32px; width: max-content; max-width: 100%; padding: 4px; background: var(--soft); border: 1px solid var(--line); border-radius: 10px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { border: 0; background: transparent; height: 32px; padding: 0 14px; border-radius: 7px; font: inherit; font-size: 13px; font-weight: 600; color: var(--muted); cursor: pointer; white-space: nowrap; }
:root[data-lang="bn"] .tabs button { font-size: 14px; }
.tabs button[aria-selected="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(15, 23, 42, .08); }
.screen-stage { max-width: 960px; margin: 0 auto; }
.screen-caption { text-align: center; color: var(--muted); font-size: 14px; margin: 18px 0 0; }
:root[data-lang="bn"] .screen-caption { font-size: 15px; }
.phones { display: grid; grid-template-columns: repeat(2, minmax(0, 200px)); justify-content: center; gap: 40px; margin-top: 64px; }
.phones figure { margin: 0; }
.phone-frame { border-radius: 26px; border: 7px solid #0f172a; overflow: hidden; background: #0f172a; box-shadow: 0 18px 36px -12px rgba(15, 23, 42, .3); }
.phones figcaption { margin-top: 14px; color: var(--muted); font-size: 14px; text-align: center; }

/* Kinds of shop */
.kinds { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.kind { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; font-size: 14px; font-weight: 600; color: var(--ink); }
:root[data-lang="bn"] .kind { font-size: 15px; }
.kind::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); flex: none; }

/* Video */
.video-box { max-width: 920px; margin: 0 auto; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--night-line); background: #000; }
.video-box video { width: 100%; aspect-ratio: 16 / 9; }
.credit { text-align: center; color: #64748b; font-size: 12px; margin: 14px 0 0; }
.credit a { color: inherit; text-decoration: underline; }

/* Pricing */
.offer-tag { display: flex; justify-content: center; margin: -28px 0 40px; }
.offer-tag span { font-size: 13px; font-weight: 600; color: #92400e; background: #fffbeb; border: 1px solid #fde68a; border-radius: 999px; padding: 5px 14px; }
:root[data-lang="bn"] .offer-tag span { font-size: 14px; }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; }
.plan.popular { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand), 0 20px 40px -16px rgba(29, 78, 216, .25); }
.plan .badge { position: absolute; top: 20px; right: 20px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--brand); background: var(--brand-tint); border-radius: 6px; padding: 4px 8px; }
:root[data-lang="bn"] .plan .badge { font-size: 12px; letter-spacing: 0; text-transform: none; }
.plan h3 { font-size: 18px; margin-bottom: 4px; }
.plan .for { color: var(--muted); font-size: 14px; margin: 0; min-height: 3.2em; }
:root[data-lang="bn"] .plan .for { font-size: 15px; }
.price { display: flex; align-items: baseline; gap: 8px; margin: 22px 0 6px; flex-wrap: wrap; }
.price .now { font-size: 36px; font-weight: 700; color: var(--ink); letter-spacing: -.03em; line-height: 1; }
.price .per { color: var(--muted); font-size: 14px; }
.price s { color: #94a3b8; font-size: 15px; }
.setup { font-size: 14px; color: var(--text); }
:root[data-lang="bn"] .setup { font-size: 15px; }
.setup s { color: #94a3b8; }
.setup strong { color: var(--ink); }
.yearly { font-size: 13px; color: var(--muted); margin: 2px 0 22px; }
:root[data-lang="bn"] .yearly { font-size: 14px; }
.limits { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-bottom: 22px; }
.limits div { background: var(--soft); padding: 10px 12px; font-size: 12px; color: var(--muted); line-height: 1.4; }
:root[data-lang="bn"] .limits div { font-size: 13px; }
.limits b { display: block; font-size: 15px; color: var(--ink); }
.plan ul { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 10px; font-size: 14px; }
:root[data-lang="bn"] .plan ul { font-size: 15px; }
.plan li { display: flex; gap: 10px; align-items: flex-start; line-height: 1.5; }
.plan li::before { content: ""; flex: none; width: 16px; height: 16px; margin-top: 2px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d4ed8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/14px no-repeat; }
.plan li.off { color: #94a3b8; }
.plan li.off::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E"); }
.plan .btn { margin-top: auto; }
.extras { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 20px; }
.extras > div { background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px 28px; }
.extras h3 { font-size: 15px; margin-bottom: 10px; }
:root[data-lang="bn"] .extras h3 { font-size: 16px; }
.extras ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 14px; }
:root[data-lang="bn"] .extras ul { font-size: 15px; }
.extras li { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px dashed var(--line); padding-bottom: 8px; }
.extras li:last-child { border-bottom: 0; padding-bottom: 0; }
.extras li b { color: var(--ink); white-space: nowrap; font-weight: 600; }
.extras p { margin: 0; font-size: 14px; color: var(--text); }
:root[data-lang="bn"] .extras p { font-size: 15px; }
.fine { color: var(--muted); font-size: 13px; text-align: center; margin: 24px 0 0; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; counter-reset: step; position: relative; }
.step { position: relative; }
.step::before { counter-increment: step; content: "0" counter(step); display: block; font-size: 13px; font-weight: 700; color: var(--brand); letter-spacing: .06em; padding-bottom: 14px; margin-bottom: 16px; border-bottom: 2px solid var(--line); }
.step:first-child::before { border-bottom-color: var(--brand); }
.step h3 { font-size: 16px; margin-bottom: 6px; }
:root[data-lang="bn"] .step h3 { font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }
:root[data-lang="bn"] .step p { font-size: 15px; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 4px; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-weight: 600; color: var(--ink); font-size: 15px; }
:root[data-lang="bn"] .faq summary { font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; width: 10px; height: 10px; flex: none; border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted); transform: rotate(45deg) translateY(-3px); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(-135deg) translateY(-1px); }
.faq details p { margin: 12px 0 0; color: var(--muted); }

/* Contact */
.contact { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 0; border-radius: 20px; overflow: hidden; border: 1px solid var(--night-line); background: var(--night); }
.contact-main { padding: 48px; background: radial-gradient(600px 300px at 0% 0%, rgba(59, 130, 246, .18), transparent 70%), var(--night); }
.contact-main .label { color: #93c5fd; }
.contact-main h2 { color: #fff; font-size: clamp(1.5rem, 2.4vw, 2rem); letter-spacing: -.025em; }
.contact-main p { color: #94a3b8; max-width: 30em; margin-bottom: 28px; }
.contact-info { padding: 48px; background: var(--night-2); border-left: 1px solid var(--night-line); display: grid; align-content: center; gap: 22px; }
.contact-info .row { display: flex; gap: 14px; align-items: flex-start; }
.contact-info .row[hidden] { display: none; }
.contact-info svg { width: 18px; height: 18px; color: #93c5fd; flex: none; margin-top: 3px; }
.contact-info small { display: block; color: #64748b; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 2px; }
:root[data-lang="bn"] .contact-info small { font-size: 13px; text-transform: none; letter-spacing: 0; }
.contact-info a, .contact-info span.value { color: #fff; font-weight: 600; font-size: 15px; }
.contact-info a:hover { color: #bfdbfe; }

/* Footer */
.site-footer { background: var(--night); color: #94a3b8; font-size: 14px; padding: 64px 0 0; }
:root[data-lang="bn"] .site-footer { font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: 40px; padding-bottom: 48px; }
.footer-brand img { height: 32px; width: auto; filter: brightness(0) invert(1); margin-bottom: 18px; }
.footer-brand p { color: #94a3b8; max-width: 22em; margin-bottom: 18px; }
.footer-brand .slogan { display: inline-flex; align-items: center; gap: 8px; color: #e2e8f0; font-size: 13px; font-weight: 600; border: 1px solid var(--night-line); border-radius: 999px; padding: 5px 12px 5px 6px; }
.footer-brand .slogan img { height: 20px; margin: 0; filter: none; background: #fff; border-radius: 999px; padding: 3px 4px; }
.footer-col h4 { color: #fff; font-size: 13px; font-weight: 600; margin: 4px 0 16px; letter-spacing: .02em; }
:root[data-lang="bn"] .footer-col h4 { font-size: 15px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col a { color: #94a3b8; transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid var(--night-line); padding: 22px 0 28px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13px; color: #64748b; }
.footer-bottom a { color: #94a3b8; }

/* Floating WhatsApp */
.float-wa { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 48px; height: 48px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; box-shadow: 0 8px 20px -4px rgba(22, 163, 74, .45); transition: background-color .15s; }
.float-wa:hover { background: #15803d; }
.float-wa svg { width: 24px; height: 24px; }

/* Tablet */
@media (max-width: 1080px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .hero .copy { max-width: 640px; }
  .showcase { max-width: 720px; }
  .kinds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 960px) {
  .site-header .wrap { grid-template-columns: auto 1fr; }
  .nav { display: none; position: absolute; top: var(--header); left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 24px 16px; box-shadow: 0 12px 24px -12px rgba(15, 23, 42, .15); }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-radius: 0; border-bottom: 1px solid var(--line-soft); }
  .nav a:last-child { border-bottom: 0; }
  .nav a:hover { background: transparent; }
  .menu-btn { display: block; }
  .features, .pains { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust > div:nth-child(2) { border-right: 0; }
  .trust > div:nth-child(-n+2) { border-bottom: 1px solid var(--night-line); }
  .plans { grid-template-columns: minmax(0, 1fr); max-width: 520px; margin: 0 auto; }
  .extras { grid-template-columns: minmax(0, 1fr); max-width: 520px; margin-left: auto; margin-right: auto; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .contact { grid-template-columns: minmax(0, 1fr); }
  .contact-info { border-left: 0; border-top: 1px solid var(--night-line); }
}
/* Phone */
@media (max-width: 640px) {
  section { padding: 64px 0; }
  .wrap { padding: 0 16px; }
  .offer-bar { padding: 8px 16px; }
  .site-header .wrap { gap: 10px; }
  .nav { padding: 4px 16px 12px; }
  .brand img { height: 28px; }
  .header-actions .btn { display: none; }
  .hero { padding: 40px 0 44px; }
  .hero .lead { font-size: 16px; }
  :root[data-lang="bn"] .hero .lead { font-size: 17px; }
  .ticks { grid-template-columns: minmax(0, 1fr); }
  .showcase { padding-bottom: 20px; }
  .phone { right: -4px; width: 30%; border-width: 4px; border-radius: 14px; }
  .section-head { margin-bottom: 36px; }
  .features, .pains, .trust { grid-template-columns: minmax(0, 1fr); }
  .trust > div { border-right: 0; border-bottom: 1px solid var(--night-line); }
  .trust > div:last-child { border-bottom: 0; }
  .pain, .feature, .trust > div, .plan { padding: 22px; }
  .tabs { justify-content: flex-start; width: 100%; }
  .phones { gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 40px; }
  .phone-frame { border-width: 5px; border-radius: 18px; }
  .kinds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kind { padding: 12px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .contact-main, .contact-info { padding: 28px 22px; }
  .contact { border-radius: 16px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .float-wa { right: 14px; bottom: 14px; }
}
@media (max-width: 380px) {
  .kinds { grid-template-columns: minmax(0, 1fr); }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .lang button { padding: 0 7px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}