/* =========================================================
   HostLagbe — Design tokens
   Palette: #FFFFFF base / #0B0E14 ink / #2B4EFF orbit-blue
            #FF5A1F ignition-orange / #E4E7EC hairline / #6B7280 muted
   Type: Space Grotesk (display) / Inter (body) / IBM Plex Mono (data)
   ========================================================= */

:root{
  --white:#ffffff;
  --ink:#0B0E14;
  --ink-soft:#3A3F4B;
  --muted:#6B7280;
  --line:#E4E7EC;
  --line-soft:#F1F2F5;
  --blue:#2B4EFF;
  --orange:#FF5A1F;
  --surface:#FAFAFB;

  /* System font stacks only — zero external requests, instant paint.
     -apple-system/Segoe UI/Roboto give a clean geometric grotesk feel
     on every platform; ui-monospace covers the mission-clock digits.
     Noto Sans Bengali / Kohinoor Bangla are added as fallbacks so the
     Bangla tagline renders with proper glyphs on devices that have them. */
  --font-display:-apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans Bengali', sans-serif;
  --font-body:-apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans Bengali', sans-serif;
  --font-mono: ui-monospace, 'SFMono-Regular', 'Cascadia Mono', 'Consolas', monospace;

  --wrap:1180px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;

  --ease: cubic-bezier(.22,.9,.32,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--white);
  color:var(--ink);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font:inherit;}

.wrap{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--ink); color:var(--white); padding:12px 18px;
  border-radius:0 0 8px 0; z-index:200;
}
.skip-link:focus{ left:0; }

:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
  border-radius:4px;
}

/* =========================================================
   Typography
   ========================================================= */
h1,h2,h3{
  font-family:var(--font-display);
  color:var(--ink);
  line-height:1.05;
  margin:0;
  letter-spacing:-0.02em;
}
h2{ font-size:clamp(1.8rem, 3.4vw, 2.6rem); font-weight:600; }
h3{ font-size:1.15rem; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0; color:var(--ink-soft); line-height:1.6; }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 16px;
}
.eyebrow-dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 3px rgba(255,90,31,.15);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ opacity:1; transform:scale(1); }
  50%{ opacity:.55; transform:scale(.82); }
}

.section-sub{
  max-width:520px;
  font-size:1.02rem;
  color:var(--muted);
}
.section-head{
  max-width:640px;
  margin-bottom:48px;
}
.section-head h2{ margin-bottom:14px; }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 26px;
  border-radius:100px;
  font-weight:600;
  font-size:.95rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn:active{ transform:scale(.97); }
.btn-primary{
  background:var(--ink);
  color:var(--white);
  box-shadow:0 1px 2px rgba(11,14,20,.08);
}
.btn-primary:hover{
  background:#181C26;
  box-shadow:0 10px 24px -8px rgba(11,14,20,.45);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{
  border-color:var(--ink);
  transform:translateY(-2px);
}
.btn-large{ padding:15px 30px; font-size:1rem; }
.btn-small{ padding:9px 18px; font-size:.85rem; }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:14px; padding-bottom:14px;
  gap:20px;
}
.logo{ display:flex; align-items:center; gap:10px; }
.logo-mark{ display:inline-flex; }
.logo-word{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.15rem;
  letter-spacing:-0.01em;
}
.logo-word em{ font-style:normal; color:var(--orange); }

.header-nav{
  display:none;
  gap:32px;
  font-size:.92rem;
  font-weight:500;
  color:var(--ink-soft);
}
.header-nav a{ transition:color .2s ease; }
.header-nav a:hover{ color:var(--ink); }

@media(min-width:820px){
  .header-nav{ display:flex; }
}
.header-cta{ display:none; }
@media(min-width:600px){
  .header-cta{ display:inline-flex; }
}

/* =========================================================
   Hero + orbit field
   ========================================================= */
.hero{
  position:relative;
  padding:96px 0 60px;
  overflow:hidden;
}
.orbit-field{
  position:absolute;
  inset:-10% -10% auto -10%;
  height:1100px;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:0;
  pointer-events:none;
}
.orbit{
  position:absolute;
  border:1px solid var(--line);
  border-radius:50%;
  top:50%; left:50%;
  transform:translate(-50%,-50%);
}
.orbit-1{ width:420px; height:420px; animation:spin 40s linear infinite; }
.orbit-2{ width:640px; height:640px; animation:spin 60s linear infinite reverse; border-color:var(--line-soft); }
.orbit-3{ width:860px; height:860px; animation:spin 90s linear infinite; }
.orbit-4{ width:1080px; height:1080px; animation:spin 130s linear infinite reverse; border-color:var(--line-soft); }

@keyframes spin{
  from{ transform:translate(-50%,-50%) rotate(0deg); }
  to{ transform:translate(-50%,-50%) rotate(360deg); }
}

.sat{
  position:absolute;
  width:9px; height:9px;
  border-radius:50%;
  background:var(--ink);
  top:50%; left:100%;
  transform:translate(-50%,-50%);
  box-shadow:0 0 0 5px rgba(11,14,20,.05);
}
.sat-a{ background:var(--orange); box-shadow:0 0 0 5px rgba(255,90,31,.12); }
.sat-b{ width:6px; height:6px; }
.sat-c{ background:var(--blue); box-shadow:0 0 0 5px rgba(43,78,255,.1); }
.sat-d{ width:6px; height:6px; }

.starfield{
  position:absolute; inset:0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(11,14,20,.14) 0, transparent 100%),
    radial-gradient(1.5px 1.5px at 70% 18%, rgba(11,14,20,.12) 0, transparent 100%),
    radial-gradient(1.5px 1.5px at 85% 55%, rgba(11,14,20,.1) 0, transparent 100%),
    radial-gradient(2px 2px at 12% 70%, rgba(11,14,20,.1) 0, transparent 100%),
    radial-gradient(1.5px 1.5px at 45% 82%, rgba(11,14,20,.12) 0, transparent 100%),
    radial-gradient(1.5px 1.5px at 60% 40%, rgba(11,14,20,.08) 0, transparent 100%);
}

.hero-inner{
  position:relative; z-index:1;
  text-align:center;
  display:flex; flex-direction:column; align-items:center;
}

.hero-title{
  font-size:clamp(2.6rem, 7.4vw, 5.2rem);
  font-weight:700;
  margin:0 0 22px;
}
.accent-text{
  background:linear-gradient(92deg, var(--ink) 0%, var(--blue) 55%, var(--orange) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hero-sub{
  max-width:560px;
  font-size:1.12rem;
  margin-bottom:36px;
}
.hero-sub time{ font-weight:600; color:var(--ink); }

.hero-bangla{
  font-size:1.15rem;
  font-weight:500;
  color:var(--ink-soft);
  margin-bottom:14px;
}

.hero-actions{
  display:flex; gap:14px; flex-wrap:wrap;
  justify-content:center;
  margin-bottom:64px;
}

/* Countdown — glass panel */
.countdown-panel{
  width:100%;
  max-width:640px;
  background:rgba(255,255,255,.6);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 24px 26px;
  backdrop-filter:blur(18px) saturate(1.3);
  -webkit-backdrop-filter:blur(18px) saturate(1.3);
  box-shadow:0 24px 60px -30px rgba(11,14,20,.25);
}
.countdown-label{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:18px;
}
.countdown-grid{
  display:flex; align-items:center; justify-content:center;
  gap:10px;
}
.count-card{
  display:flex; flex-direction:column; align-items:center;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:14px 6px;
  min-width:74px;
  flex:1;
  max-width:110px;
}
.count-num{
  font-family:var(--font-mono);
  font-size:clamp(1.5rem, 4.5vw, 2.1rem);
  font-weight:600;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
  line-height:1;
}
.count-unit{
  margin-top:6px;
  font-size:.68rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted);
}
.count-sep{
  font-family:var(--font-mono);
  font-size:1.4rem;
  color:var(--line);
  font-weight:600;
}

/* =========================================================
   Trust strip
   ========================================================= */
.trust-strip{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--surface);
}
.trust-inner{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
  padding:32px 24px;
}
@media(min-width:700px){
  .trust-inner{ grid-template-columns:repeat(4,1fr); }
}
.trust-item{
  display:flex; flex-direction:column; align-items:center;
  text-align:center;
  gap:4px;
}
.trust-num{
  font-family:var(--font-display);
  font-size:1.7rem;
  font-weight:700;
}
.trust-label{
  font-size:.78rem;
  color:var(--muted);
  letter-spacing:.01em;
}

/* =========================================================
   Products
   ========================================================= */
.products{ padding:104px 0; }

.product-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media(min-width:640px){
  .product-grid{ grid-template-columns:repeat(2,1fr); }
}
@media(min-width:980px){
  .product-grid{ grid-template-columns:repeat(3,1fr); }
}

.product-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 26px;
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.product-card:hover{
  transform:translateY(-5px);
  border-color:transparent;
  box-shadow:0 30px 60px -30px rgba(11,14,20,.22);
}
.product-icon{
  width:46px; height:46px;
  margin-bottom:20px;
}
.product-card h3{ margin-bottom:10px; }
.product-card p{ font-size:.94rem; }

/* =========================================================
   Mission band
   ========================================================= */
.mission-band{
  background:var(--ink);
  padding:88px 0;
  text-align:center;
}
.mission-inner h2{
  color:var(--white);
  margin-bottom:16px;
}
.mission-inner p{
  color:rgba(255,255,255,.62);
  max-width:520px;
  margin:0 auto;
}

/* =========================================================
   Contact
   ========================================================= */
.contact{ padding:104px 0; background:var(--surface); }
.contact-inner{
  display:flex;
  flex-direction:column;
}
.contact-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  margin-top:8px;
}
@media(min-width:640px){
  .contact-grid{ grid-template-columns:repeat(2,1fr); }
}
@media(min-width:980px){
  .contact-grid{ grid-template-columns:repeat(4,1fr); }
}
a.contact-card{
  display:flex;
  flex-direction:column;
  gap:4px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px 20px;
  text-decoration:none;
  color:inherit;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
a.contact-card:hover,
a.contact-card:focus-visible{
  transform:translateY(-4px);
  border-color:transparent;
  box-shadow:0 24px 50px -28px rgba(11,14,20,.22);
}
.contact-icon{
  display:block;
  width:34px;
  height:34px;
  margin-bottom:12px;
}
.contact-icon svg{ width:100%; height:100%; display:block; }
.contact-label{
  display:block;
  font-size:.72rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--muted);
}
.contact-value{
  display:block;
  font-weight:600;
  font-size:.98rem;
  color:var(--ink);
}

/* =========================================================
   Notify form
   ========================================================= */
.notify{ padding:104px 0; }
.notify-inner{ display:flex; justify-content:center; }
.notify-card{
  width:100%;
  max-width:520px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:44px 36px;
  text-align:center;
}
.notify-card .eyebrow{ justify-content:center; }
.notify-card h2{ margin-bottom:12px; }
.notify-card .section-sub{ margin:0 auto 30px; }

.notify-form{
  display:flex; flex-direction:column; gap:16px;
  text-align:left;
}
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{
  font-size:.82rem; font-weight:600; color:var(--ink-soft);
}
.field input{
  font:inherit;
  padding:13px 16px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:var(--white);
  color:var(--ink);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field input:focus{
  border-color:var(--blue);
  box-shadow:0 0 0 4px rgba(43,78,255,.12);
  outline:none;
}
.field input:invalid:not(:placeholder-shown){
  border-color:#E0554A;
}
.notify-submit{ margin-top:6px; width:100%; }
.notify-submit[disabled]{ opacity:.6; cursor:not-allowed; }

.form-status{
  font-size:.86rem;
  min-height:20px;
  margin:0;
}
.form-status.success{ color:#1E8A5F; }
.form-status.error{ color:#C13B2E; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  border-top:1px solid var(--line);
  padding:40px 0;
}
.footer-inner{
  display:flex; flex-direction:column; align-items:center;
  gap:10px; text-align:center;
}
.logo-footer .logo-word{ font-size:1rem; }
.footer-tag{ font-size:.85rem; color:var(--muted); margin:0; }
.footer-tag-bn{ font-size:.82rem; opacity:.85; }
.footer-contact{
  font-size:.85rem;
  color:var(--ink-soft);
  display:flex; align-items:center; gap:8px;
}
.footer-contact a:hover{ color:var(--blue); }
.footer-copy{ font-size:.78rem; color:var(--muted); opacity:.7; }

/* =========================================================
   Scroll reveal
   ========================================================= */
/* Reveal-on-scroll: CSS never hides content by default.
   Only .js-ready (set immediately by script.js) opts elements into the
   hidden starting state, so if JS is blocked/slow/broken, everything
   is simply visible from the start — nothing depends on JS to appear. */
.js-ready [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-visible{
  opacity:1;
  transform:translateY(0);
}
noscript .products,
noscript .contact{ display:block; }
.hero-inner [data-reveal]:nth-child(1){ transition-delay:.05s; }
.hero-inner [data-reveal]:nth-child(2){ transition-delay:.15s; }
.hero-inner [data-reveal]:nth-child(3){ transition-delay:.25s; }
.hero-inner [data-reveal]:nth-child(4){ transition-delay:.35s; }
.hero-inner [data-reveal]:nth-child(5){ transition-delay:.45s; }

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .orbit, .eyebrow-dot{ animation:none !important; }
  [data-reveal]{
    opacity:1; transform:none; transition:none;
  }
  .btn, .product-card{ transition:none; }
}

@media(max-width:480px){
  .countdown-grid{ gap:6px; }
  .count-card{ min-width:0; padding:10px 4px; }
  .count-sep{ font-size:1rem; }
}