/* =========================================================
   Edising — landing page
   Brand: deep purple-black canvas, violet primary, orange→gold CTA
   Type: Hind Siliguri (body) + Baloo Da 2 (headings) — Bengali only
   ========================================================= */

:root{
  --bg:#0b0712;
  --bg-2:#120c1e;
  --surface:rgba(139,92,246,.06);
  --fg:#ece7f5;
  --fg-2:#a99fc0;
  --primary:#8b5cf6;
  --primary-2:#7c3aed;
  --border:#2a2140;
  --violet-glow:rgba(139,92,246,.22);
  --accent:linear-gradient(135deg,#f97316 0%,#fbbf24 100%);
  --accent-hover:linear-gradient(135deg,#fb8532 0%,#ffce4d 100%);
  --ok:#34d399;
  --warn:#fbbf24;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 40px rgba(0,0,0,.45);
  --container:1120px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;scroll-padding-top:84px;}

body{
  margin:0;
  font-family:"Hind Siliguri",system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--fg);
  background:
    radial-gradient(90% 55% at 10% -5%,rgba(124,58,237,.28) 0%,transparent 55%),
    radial-gradient(70% 45% at 95% 5%,rgba(249,115,22,.10) 0%,transparent 55%),
    var(--bg);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{font-family:"Baloo Da 2","Hind Siliguri",sans-serif;line-height:1.35;margin:0;font-weight:700;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
code{
  font-family:ui-monospace,Menlo,monospace;font-size:.88em;
  background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;color:#d8ccff;
}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container.narrow{max-width:820px;}
.center{text-align:center;}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:inherit;font-weight:600;font-size:16px;
  padding:13px 26px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform .14s ease,box-shadow .22s ease,background .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:#2a1400;font-weight:700;
  box-shadow:0 6px 22px rgba(249,115,22,.32),inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 28px rgba(249,115,22,.42);}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--border);color:var(--fg);}
.btn-ghost:hover{background:rgba(139,92,246,.14);border-color:var(--primary);transform:translateY(-2px);}
.btn-lg{padding:15px 32px;font-size:17px;}
.btn-sm{padding:9px 18px;font-size:14.5px;}
.btn-block{width:100%;}
.btn .ico{font-size:1.1em;line-height:1;}

/* ---------------- Nav ---------------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(11,7,18,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;font-family:"Baloo Da 2",sans-serif;}
.brand img{width:34px;height:34px;border-radius:9px;box-shadow:0 0 0 1px rgba(139,92,246,.3),0 0 16px var(--violet-glow);}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:15.5px;color:var(--fg-2);}
.nav-links a{position:relative;padding:4px 0;transition:color .15s;}
.nav-links a:hover{color:var(--fg);}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--accent);border-radius:2px;transition:width .2s ease;
}
.nav-links a:hover::after{width:100%;}
.nav-cta{margin-left:6px;}

/* ---------------- Hero ---------------- */
.hero{padding:96px 0 84px;text-align:center;}
.hero-inner{display:flex;flex-direction:column;align-items:center;gap:22px;}
.pill{
  display:inline-block;padding:7px 18px;border-radius:999px;font-size:14px;font-weight:600;
  color:#d8ccff;background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.35);
}
.hero h1{font-size:clamp(34px,5.2vw,60px);letter-spacing:-.01em;font-weight:800;}
.grad{
  background:var(--accent);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.lead{max-width:680px;font-size:19px;color:var(--fg-2);}
.lead strong{color:var(--fg);}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:6px;}
.hero-trust{
  display:flex;gap:26px;flex-wrap:wrap;justify-content:center;
  list-style:none;padding:0;margin:14px 0 0;font-size:15px;color:var(--fg-2);
}

/* ---------------- Sections ---------------- */
.section{padding:86px 0;}
.section-alt{background:linear-gradient(180deg,rgba(139,92,246,.05),transparent);border-block:1px solid var(--border);}
.section-head{text-align:center;max-width:760px;margin:0 auto 48px;display:flex;flex-direction:column;gap:12px;}
.eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#c4b5fd;
}
.section-head h2{font-size:clamp(27px,3.6vw,40px);}
.sub{color:var(--fg-2);font-size:17.5px;}
.sub strong{color:var(--fg);}

/* ---------------- Video ---------------- */
.video-frame{
  position:relative;max-width:900px;margin:0 auto;
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:#000;box-shadow:var(--shadow);
  aspect-ratio:16/9;
}
.video-frame video{width:100%;height:100%;display:block;object-fit:contain;background:#07050c;}

.video-steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  max-width:900px;margin:44px auto 0;
}
.step{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:24px 20px;text-align:center;
}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;margin-bottom:12px;
  font-family:"Baloo Da 2",sans-serif;font-weight:700;font-size:18px;color:#fff;
  background:linear-gradient(135deg,var(--primary-2),#9d5cf6);
  box-shadow:0 4px 14px rgba(124,58,237,.45);
}
.step h3{font-size:19px;margin-bottom:6px;}
.step p{color:var(--fg-2);font-size:15.5px;}

/* ---------------- Chips ---------------- */
.chips{display:flex;flex-wrap:wrap;gap:11px;justify-content:center;margin-bottom:44px;}
.chip{
  padding:9px 20px;border-radius:999px;font-size:15px;font-weight:500;
  background:rgba(255,255,255,.045);border:1px solid var(--border);color:var(--fg);
  transition:transform .15s,border-color .15s;
}
.chip:hover{transform:translateY(-2px);border-color:var(--primary);}
.chip-more{background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.4);color:#d8ccff;font-weight:600;}

/* ---------------- Link guide ---------------- */
.link-guide{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:940px;margin:0 auto;}
.guide-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 26px;
}
.guide-card.ok{border-color:rgba(52,211,153,.28);background:rgba(52,211,153,.05);}
.guide-card.no{border-color:rgba(251,191,36,.28);background:rgba(251,191,36,.05);}
.guide-card h3{font-size:19px;margin-bottom:14px;}
.guide-card ul,.guide-card ol{margin:0;padding-left:20px;color:var(--fg-2);font-size:15.8px;}
.guide-card li{margin-bottom:9px;}
.guide-card .install-steps li strong{color:var(--fg);}
.guide-card .note{margin-top:14px;font-size:14px;color:var(--fg-2);opacity:.9;font-style:italic;}

/* ---------------- Feature grid ---------------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.download-cards{grid-template-columns:repeat(2,1fr);max-width:640px;margin:0 auto;}
.download-cards.download-cards-3{grid-template-columns:repeat(3,1fr);max-width:920px;}
.download-cards .card{text-align:center;}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 26px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.45);box-shadow:0 12px 32px rgba(0,0,0,.35);}
.card-ico{
  width:50px;height:50px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:24px;margin-bottom:16px;
  background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.3);
}
.card-ico.os-ico svg{width:24px;height:24px;color:#c4b5fd;}
.download-cards .card-ico{margin-left:auto;margin-right:auto;}
.card h3{font-size:20px;margin-bottom:8px;}
.card p{color:var(--fg-2);font-size:15.8px;}

/* ---------------- Pricing ---------------- */
.price-wrap{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:32px;align-items:start;max-width:940px;margin:0 auto;}
.price-card{
  background:linear-gradient(180deg,rgba(139,92,246,.12),rgba(255,255,255,.02));
  border:1px solid rgba(139,92,246,.4);border-radius:20px;padding:34px 30px;
  box-shadow:var(--shadow);text-align:center;
}
.price-tag{
  display:inline-block;padding:6px 16px;border-radius:999px;font-size:13.5px;font-weight:700;
  background:rgba(139,92,246,.18);border:1px solid rgba(139,92,246,.4);color:#d8ccff;margin-bottom:16px;
}
.price{display:flex;align-items:baseline;justify-content:center;gap:4px;margin-bottom:22px;}
.price .tk{font-size:30px;font-weight:700;color:var(--fg-2);}
.price .amount{font-family:"Baloo Da 2",sans-serif;font-size:64px;font-weight:800;line-height:1;
  background:var(--accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.price .once{font-size:15px;color:var(--fg-2);margin-left:6px;}
.price .was-price{font-size:18px;color:var(--fg-2);text-decoration:line-through;opacity:.6;margin-left:8px;}
.launch-offer{
  display:inline-block;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(249,115,22,.16);border:1px solid rgba(249,115,22,.4);color:#fdba74;margin-bottom:12px;
}
.offer-note{font-size:13.5px;color:var(--fg-2);margin:-10px 0 22px;line-height:1.6;}
.price-list{list-style:none;padding:0;margin:0 0 26px;text-align:left;display:flex;flex-direction:column;gap:11px;font-size:16px;}
.price-list li{color:var(--fg);}
.pay-note{margin-top:16px;font-size:13.5px;color:var(--fg-2);line-height:1.6;}

.price-side{padding-top:8px;}
.price-side h3{font-size:21px;margin-bottom:16px;}
.price-side ol{margin:0;padding-left:22px;color:var(--fg-2);font-size:16px;display:flex;flex-direction:column;gap:12px;}
.price-side ol strong{color:var(--fg);}
.side-note{
  margin-top:22px;padding:16px 18px;border-radius:var(--radius-sm);font-size:14.5px;color:var(--fg-2);
  background:rgba(255,255,255,.035);border-left:3px solid var(--primary);
}

/* ---------------- FAQ ---------------- */
.faq{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;transition:border-color .18s;
}
.faq:hover{border-color:rgba(139,92,246,.4);}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;font-size:17px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:22px;color:var(--primary);font-weight:400;line-height:1;transition:transform .2s;}
.faq[open] summary::after{transform:rotate(45deg);}
.faq p{padding:0 22px 20px;color:var(--fg-2);font-size:16px;}

/* ---------------- Contact ---------------- */
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:0 0 34px;}
.contact-card{
  display:flex;flex-direction:column;align-items:center;gap:5px;
  padding:26px 18px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:transform .16s,border-color .16s;
}
.contact-card:hover{transform:translateY(-3px);border-color:var(--primary);}
.c-ico{font-size:28px;}
.contact-card strong{font-size:16.5px;}
.c-val{font-size:14.5px;color:var(--fg-2);word-break:break-all;}

/* ---------------- Footer ---------------- */
.footer{border-top:1px solid var(--border);padding:52px 0 30px;background:rgba(0,0,0,.28);}
.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:28px;}
.f-brand{display:flex;gap:13px;align-items:flex-start;max-width:330px;}
.f-brand img{width:40px;height:40px;border-radius:10px;}
.f-brand strong{font-size:18px;font-family:"Baloo Da 2",sans-serif;}
.f-brand p{color:var(--fg-2);font-size:14.5px;margin-top:2px;}
.f-links{display:flex;flex-wrap:wrap;gap:12px 26px;align-content:flex-start;color:var(--fg-2);font-size:15px;}
.f-links a:hover{color:var(--fg);}
.f-bottom{border-top:1px solid var(--border);padding-top:22px;color:var(--fg-2);font-size:13.5px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.f-bottom .legal{max-width:560px;opacity:.85;}

/* ---------------- Responsive ---------------- */
@media (max-width:900px){
  .grid,.video-steps,.contact-cards,.download-cards-3{grid-template-columns:1fr 1fr;}
  .link-guide{grid-template-columns:1fr;}
  .price-wrap{grid-template-columns:1fr;}
  .nav-links{display:none;}
}
@media (max-width:620px){
  body{font-size:16px;}
  .hero{padding:60px 0 54px;}
  .section{padding:60px 0;}
  .grid,.video-steps,.contact-cards,.download-cards-3{grid-template-columns:1fr;}
  .hero-cta{flex-direction:column;width:100%;}
  .hero-cta .btn{width:100%;}
  .hero-trust{gap:10px;flex-direction:column;}
  .nav-cta{margin-left:auto;}
  .price .amount{font-size:52px;}
  .f-bottom{flex-direction:column;}
}

/* Respect users who prefer less motion */
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;scroll-behavior:auto !important;}
}