:root {
  --blue: #5380F5;
  --blue-2: #2e63ea;
  --navy: #262D3D;
  --text: #182235;
  --muted: #627089;
  --soft: #f5f8ff;
  --card: #ffffff;
  --line: #dfe8f8;
  --success: #0b9f5b;
  --success-bg: #ebfff5;
  --danger: #d93838;
  --danger-bg: #fff0f0;
  --warning: #f2a60d;
  --shadow: 0 22px 70px rgba(38, 45, 61, 0.12);
  --shadow-soft: 0 12px 36px rgba(83, 128, 245, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Anek Bangla", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #f7faff 0%, #ffffff 54%, #f8fbff 100%);
}
body::selection { background: rgba(83, 128, 245, .2); }
a { color: inherit; text-decoration: none; }
svg { width: 1em; height: 1em; display: inline-block; }
.container { width: min(100% - 36px, 1120px); margin: 0 auto; }

.site-bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.blob { position: absolute; border-radius: 999px; filter: blur(4px); opacity: .7; }
.blob-one { width: 520px; height: 520px; top: 115px; left: -180px; background: radial-gradient(circle, rgba(83,128,245,.18), transparent 68%); }
.blob-two { width: 520px; height: 520px; top: 80px; right: -180px; background: radial-gradient(circle, rgba(38,45,61,.08), transparent 68%); }
.grid-dot { position: absolute; width: 180px; height: 180px; opacity: .36; background-image: radial-gradient(rgba(83,128,245,.55) 1px, transparent 1px); background-size: 12px 12px; }
.grid-left { top: 205px; left: 20px; }
.grid-right { top: 175px; right: 26px; }

.top-strip { background: linear-gradient(90deg, var(--navy), #101827); color: #fff; font-family: "Inter", sans-serif; font-size: 14px; }
.top-strip-inner { min-height: 40px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.strip-left { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; opacity: .96; }
.strip-left svg { color: #fff; fill: currentColor; font-size: 18px; }
.top-strip a { font-weight: 800; opacity: .92; white-space: nowrap; }
.top-strip a:hover { color: #dce6ff; }

.main-header { background: rgba(255,255,255,.84); border-bottom: 1px solid rgba(223,232,248,.9); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 10; }
.header-inner { min-height: 106px; display: flex; align-items: center; gap: 26px; }
.brand img { width: 250px; max-width: 42vw; display: block; }
.header-divider { width: 1px; height: 50px; background: linear-gradient(180deg, transparent, #cfd9eb, transparent); }
.product-title { display: grid; gap: 3px; font-family: "Inter", sans-serif; }
.product-title strong { font-size: 22px; color: var(--navy); letter-spacing: -.02em; }
.product-title span { font-size: 15px; color: var(--muted); }

.hero-section { padding: 58px 0 20px; }
.hero-inner { display: flex; flex-direction: column; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 9px; padding: 10px 18px; border: 1px solid rgba(83,128,245,.38); background: rgba(255,255,255,.78); color: var(--blue-2); border-radius: 999px; font-family: "Inter", sans-serif; font-size: 14px; font-weight: 800; box-shadow: var(--shadow-soft); }
.hero-badge svg { fill: currentColor; font-size: 18px; }
h1 { margin: 22px 0 10px; color: var(--navy); font-size: clamp(42px, 6vw, 66px); font-weight: 900; line-height: 1.05; letter-spacing: -.035em; text-align: center; }
h1 span { color: var(--blue); }
.hero-copy { margin: 0 0 30px; width: min(760px, 100%); color: #4f5d73; text-align: center; font-size: clamp(17px, 2vw, 21px); line-height: 1.55; }

.search-card { width: min(820px, 100%); background: rgba(255,255,255,.92); border: 1px solid rgba(208,220,242,.95); border-radius: 22px; padding: 28px; box-shadow: var(--shadow); backdrop-filter: blur(20px); }
.search-card label { display: block; margin: 0 0 12px; color: var(--navy); font-weight: 800; font-size: 17px; }
.search-row { display: grid; grid-template-columns: 1fr 190px; gap: 16px; }
.input-wrap { position: relative; }
.input-wrap svg { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: #aab5c8; fill: currentColor; font-size: 23px; pointer-events: none; }
input { width: 100%; min-height: 62px; padding: 17px 18px 17px 52px; border: 1px solid #cdd9ef; border-radius: 15px; color: var(--navy); background: #fbfdff; font-family: "Inter", sans-serif; font-size: 18px; font-weight: 600; letter-spacing: .05em; outline: none; transition: border .2s ease, box-shadow .2s ease, background .2s ease; }
input::placeholder { color: #9aa6bb; }
input:focus { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 5px rgba(83,128,245,.14); }
button { min-height: 62px; border: 0; border-radius: 15px; color: #fff; background: linear-gradient(135deg, var(--blue), var(--blue-2)); font-family: "Anek Bangla", "Inter", sans-serif; font-size: 18px; font-weight: 900; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 9px; box-shadow: 0 16px 32px rgba(83,128,245,.30); transition: transform .2s ease, box-shadow .2s ease, filter .2s ease; }
button svg { fill: currentColor; font-size: 19px; }
button:hover { transform: translateY(-2px); filter: saturate(1.1); box-shadow: 0 20px 40px rgba(83,128,245,.35); }
button:disabled { opacity: .65; cursor: not-allowed; transform: none; box-shadow: none; }
.privacy-note { margin: 12px 0 0; display: flex; align-items: center; gap: 8px; color: #58677e; font-size: 14px; line-height: 1.4; }
.privacy-note span { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(83,128,245,.13); flex: 0 0 auto; }

.system-notice { width: min(820px, 100%); margin-top: 16px; padding: 14px 18px; border: 1px solid rgba(83,128,245,.16); background: rgba(255,255,255,.74); color: #5f6d83; border-radius: 16px; display: flex; align-items: center; gap: 10px; font-size: 14px; }
.loader { width: 14px; height: 14px; border-radius: 50%; border: 2px solid #d9e3f7; border-top-color: var(--blue); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.result-card { width: min(820px, 100%); margin-top: 18px; border-radius: 22px; padding: 24px; border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.result-card.success { background: linear-gradient(180deg, #effff7, #fff); border-color: rgba(11,159,91,.28); }
.result-card.danger { background: linear-gradient(180deg, #fff3f3, #fff); border-color: rgba(217,56,56,.23); }
.result-title { margin: 0 0 8px; font-size: 27px; font-weight: 900; line-height: 1.15; }
.result-card.success .result-title { color: var(--success); }
.result-card.danger .result-title { color: var(--danger); }
.result-card p { margin: 0; color: #58677e; line-height: 1.55; }
.result-meta { margin-top: 16px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.meta-item { padding: 14px 15px; border-radius: 15px; background: rgba(255,255,255,.78); border: 1px solid rgba(223,232,248,.95); }
.meta-label { display: block; color: #69778d; font-size: 13px; margin-bottom: 4px; }
.meta-value { display: block; color: var(--navy); font-family: "Inter", sans-serif; font-weight: 800; word-break: break-word; }

.promo-card { position: relative; overflow: hidden; width: min(820px, 100%); margin-top: 26px; min-height: 130px; padding: 26px; border-radius: 20px; color: #fff; background: radial-gradient(circle at 88% 18%, rgba(83,128,245,.95), transparent 28%), linear-gradient(135deg, var(--navy), #244dbe 58%, var(--blue)); box-shadow: 0 24px 60px rgba(38,45,61,.22); display: grid; grid-template-columns: 76px 1fr auto; align-items: center; gap: 20px; }
.promo-card::before, .promo-card::after { content: ""; position: absolute; border-radius: 999px; border: 1px solid rgba(255,255,255,.16); }
.promo-card::before { width: 220px; height: 220px; right: -80px; top: -70px; }
.promo-card::after { width: 320px; height: 320px; right: 84px; bottom: -250px; }
.promo-icon { position: relative; z-index: 1; width: 66px; height: 66px; display: grid; place-items: center; border-radius: 18px; background: rgba(255,255,255,.92); color: var(--blue); box-shadow: inset 0 0 0 1px rgba(255,255,255,.3); }
.promo-icon svg { fill: currentColor; font-size: 34px; }
.promo-text { position: relative; z-index: 1; }
.promo-text span { display: block; color: #b8ccff; font-family: "Inter", sans-serif; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; font-weight: 900; margin-bottom: 4px; }
.promo-text h2 { margin: 0; font-size: 25px; line-height: 1.14; }
.promo-text p { margin: 4px 0 0; max-width: 520px; color: rgba(255,255,255,.84); line-height: 1.45; font-size: 15px; }
.promo-action { position: relative; z-index: 1; padding: 12px 18px; border: 1px solid rgba(255,255,255,.54); border-radius: 999px; color: #fff; font-weight: 800; white-space: nowrap; background: rgba(255,255,255,.08); backdrop-filter: blur(10px); }
.promo-action:hover { background: rgba(255,255,255,.15); }

.stats-grid { width: min(820px, 100%); margin-top: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.stat-card { min-height: 108px; display: grid; grid-template-columns: 58px 1fr; grid-template-rows: auto auto; column-gap: 15px; align-content: center; padding: 22px; border: 1px solid rgba(223,232,248,.95); border-radius: 18px; background: rgba(255,255,255,.9); box-shadow: 0 16px 45px rgba(38,45,61,.08); }
.stat-icon { grid-row: 1 / 3; width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; }
.stat-icon svg { fill: currentColor; font-size: 28px; }
.stat-icon.blue { background: rgba(83,128,245,.13); color: var(--blue); }
.stat-icon.green { background: rgba(11,159,91,.13); color: var(--success); }
.stat-icon.purple { background: rgba(91,91,230,.13); color: #5f5be8; }
.stat-card strong { color: var(--blue); font-family: "Inter", sans-serif; font-size: 28px; line-height: 1; letter-spacing: -.03em; }
.stat-card:nth-child(2) strong { color: var(--success); }
.stat-card:nth-child(3) strong { color: #5f5be8; }
.stat-card span { margin-top: 6px; color: #5f6d83; font-size: 14px; }

.disclaimer-card { width: min(820px, 100%); margin: 24px 0 0; padding: 18px 20px; border: 1px solid rgba(242,166,13,.36); border-radius: 18px; background: linear-gradient(180deg, #fff9e9, #fffdf7); display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; }
.warning-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: rgba(242,166,13,.16); color: #d88d00; font-family: "Inter", sans-serif; font-weight: 900; }
.disclaimer-card p { margin: 0; color: #5a4930; line-height: 1.55; }
.disclaimer-card strong { color: var(--navy); }

.footer { margin-top: 38px; border-top: 1px solid rgba(223,232,248,.9); background: rgba(255,255,255,.72); }
.footer-inner { min-height: 134px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 8px; }
.footer img { width: 190px; display: block; }
.footer p { margin: 0; color: #4f5d73; font-family: "Inter", sans-serif; }
.footer p strong { color: var(--blue); }
.footer small { color: #7a879a; }

@media (max-width: 860px) {
  .top-strip-inner { min-height: auto; padding: 10px 0; align-items: flex-start; }
  .strip-left { align-items: flex-start; }
  .header-inner { min-height: 92px; gap: 16px; }
  .brand img { width: 190px; }
  .product-title strong { font-size: 18px; }
  .product-title span { font-size: 13px; }
  .hero-section { padding-top: 36px; }
  .search-row { grid-template-columns: 1fr; }
  .promo-card { grid-template-columns: 64px 1fr; }
  .promo-action { grid-column: 1 / -1; justify-self: start; }
  .stats-grid { grid-template-columns: 1fr; }
}
@media (max-width: 580px) {
  .container { width: min(100% - 24px, 1120px); }
  .top-strip-inner { font-size: 12px; }
  .top-strip a { display: none; }
  .header-inner { align-items: flex-start; flex-direction: column; padding: 18px 0; gap: 12px; }
  .header-divider { display: none; }
  .brand img { width: 220px; max-width: 100%; }
  h1 { font-size: 39px; }
  .hero-copy { font-size: 16px; }
  .search-card { padding: 20px; border-radius: 18px; }
  .result-meta { grid-template-columns: 1fr; }
  .promo-card { padding: 20px; grid-template-columns: 1fr; }
  .promo-icon { width: 58px; height: 58px; }
  .promo-text h2 { font-size: 22px; }
  .disclaimer-card { grid-template-columns: 1fr; }
}