/* ==========================================================================
   ShikkhaSoft — পাবলিক ল্যান্ডিং পেজ
   ========================================================================== */

body.landing{background:#fff;color:#0f172a}
.lp-container{max-width:1180px;margin:0 auto;padding:0 22px}

/* ------------------------------------------------------------------- nav */
.lp-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid #eef2f7}
.lp-nav-inner{display:flex;align-items:center;gap:26px;height:70px}
.lp-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#0f172a;letter-spacing:-.01em}
.lp-logo .mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#4f46e5,#0ea5e9);
  display:grid;place-items:center;color:#fff;overflow:hidden;flex:none}
.lp-logo .mark img{width:100%;height:100%;object-fit:cover}
.lp-links{display:flex;gap:24px;margin-left:auto;font-size:14.5px;font-weight:500}
.lp-links a{color:#475569}
.lp-links a:hover{color:#4f46e5}
.lp-nav .btn{flex:none}
.lp-burger{display:none;margin-left:auto}

/* ------------------------------------------------------------------ hero */
.lp-hero{position:relative;overflow:hidden;padding:76px 0 88px;
  background:radial-gradient(1000px 500px at 82% -8%, #e0e7ff 0%, transparent 60%),
             radial-gradient(760px 420px at 6% 8%, #cffafe 0%, transparent 55%), #fbfcff}
.lp-hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.lp-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #e2e8f0;
  border-radius:999px;padding:6px 15px;font-size:13px;font-weight:600;color:#4f46e5;
  box-shadow:0 2px 10px -4px rgba(79,70,229,.35);margin-bottom:20px}
.lp-hero h1{font-size:clamp(30px,4.3vw,50px);line-height:1.24;letter-spacing:-.025em;margin-bottom:18px}
.lp-hero h1 .grad{background:linear-gradient(120deg,#4f46e5,#0ea5e9);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.lp-hero p.lead{font-size:17.5px;color:#475569;line-height:1.8;max-width:540px;margin-bottom:28px}
.lp-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.lp-trust{display:flex;gap:26px;flex-wrap:wrap;font-size:13.5px;color:#64748b}
.lp-trust span{display:inline-flex;align-items:center;gap:7px}
.lp-trust svg{color:#16a34a}

/* ড্যাশবোর্ড প্রিভিউ */
.lp-preview{position:relative}
.lp-window{background:#fff;border:1px solid #e2e8f0;border-radius:18px;overflow:hidden;
  box-shadow:0 40px 80px -34px rgba(15,23,42,.42);transform:perspective(1400px) rotateY(-7deg) rotateX(3deg)}
.lp-window-bar{height:36px;background:#f8fafc;border-bottom:1px solid #eef2f7;display:flex;
  align-items:center;gap:6px;padding:0 13px}
.lp-window-bar i{width:10px;height:10px;border-radius:50%;display:block}
.lp-window-body{display:flex;min-height:330px}
.lp-side{width:132px;background:#0f172a;padding:12px 9px;flex:none}
.lp-side .row{height:9px;border-radius:4px;background:#1e293b;margin-bottom:10px}
.lp-side .row.on{background:linear-gradient(90deg,#4f46e5,#6366f1)}
.lp-main{flex:1;padding:14px;background:#f6f7fb}
.lp-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:12px}
.lp-mini{background:#fff;border:1px solid #e5e7eb;border-radius:9px;padding:8px}
.lp-mini b{display:block;font-size:14px;letter-spacing:-.02em}
.lp-mini span{font-size:8.5px;color:#94a3b8}
.lp-chart{background:#fff;border:1px solid #e5e7eb;border-radius:11px;padding:12px;height:172px;
  display:flex;align-items:flex-end;gap:8px}
.lp-chart i{flex:1;border-radius:5px 5px 0 0;background:linear-gradient(180deg,#818cf8,#4f46e5);display:block}
.lp-float{position:absolute;background:#fff;border:1px solid #e2e8f0;border-radius:13px;padding:10px 14px;
  box-shadow:0 18px 36px -18px rgba(15,23,42,.4);display:flex;align-items:center;gap:10px;font-size:13px}
.lp-float.f1{bottom:-18px;left:-14px;animation:floaty 4.5s ease-in-out infinite}
.lp-float.f2{top:26px;right:-18px;animation:floaty 5.4s ease-in-out infinite reverse}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------------------------------------------------------------- shared */
.lp-section{padding:76px 0}
.lp-section.alt{background:#f8fafc}
.lp-head{text-align:center;max-width:660px;margin:0 auto 46px}
.lp-eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:#4f46e5;margin-bottom:10px}
.lp-head h2{font-size:clamp(24px,3vw,35px);letter-spacing:-.02em;margin-bottom:12px}
.lp-head p{color:#64748b;font-size:16px;line-height:1.8;margin:0}

.lp-grid{display:grid;gap:20px}
.lp-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.lp-4{grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.lp-2{grid-template-columns:repeat(auto-fit,minmax(330px,1fr))}

.lp-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:24px;
  transition:transform .22s cubic-bezier(.4,0,.2,1),box-shadow .22s cubic-bezier(.4,0,.2,1),border-color .22s}
.lp-card:hover{transform:translateY(-4px);box-shadow:0 22px 42px -26px rgba(15,23,42,.4);border-color:#c7d2fe}
.lp-card .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:15px}
.lp-card h3{font-size:16.5px;margin-bottom:7px}
.lp-card p{color:#64748b;font-size:14px;line-height:1.75;margin:0}

.lp-stat{text-align:center;padding:22px}
.lp-stat b{display:block;font-size:38px;font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,#4f46e5,#0ea5e9);-webkit-background-clip:text;background-clip:text;color:transparent}
.lp-stat span{color:#64748b;font-size:14px}

/* module list */
.lp-modules{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:11px}
.lp-mod{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #e5e7eb;
  border-radius:11px;padding:12px 14px;font-size:14px;font-weight:500;transition:all .18s}
.lp-mod:hover{border-color:#a5b4fc;background:#f5f3ff}
.lp-mod svg{color:#4f46e5;flex:none}

/* pricing */
.lp-price{background:#fff;border:1.5px solid #e5e7eb;border-radius:20px;padding:30px;position:relative;
  display:flex;flex-direction:column}
.lp-price.featured{border-color:#4f46e5;box-shadow:0 26px 56px -30px rgba(79,70,229,.6)}
.lp-price .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:#4f46e5;color:#fff;
  font-size:12px;font-weight:700;padding:5px 15px;border-radius:999px}
.lp-price h3{font-size:19px;margin-bottom:5px}
.lp-price .amount{font-size:36px;font-weight:800;letter-spacing:-.03em;margin:14px 0 4px}
.lp-price .amount small{font-size:14px;font-weight:500;color:#64748b}
.lp-price ul{list-style:none;padding:0;margin:20px 0;flex:1}
.lp-price li{display:flex;gap:9px;align-items:flex-start;padding:6px 0;font-size:14px;color:#475569}
.lp-price li svg{color:#16a34a;flex:none;margin-top:3px}

/* faq */
.lp-faq{max-width:820px;margin:0 auto}
.lp-faq details{background:#fff;border:1px solid #e5e7eb;border-radius:13px;margin-bottom:11px;overflow:hidden}
.lp-faq summary{padding:17px 20px;font-weight:600;cursor:pointer;list-style:none;display:flex;
  justify-content:space-between;align-items:center;gap:14px;font-size:15px}
.lp-faq summary::-webkit-details-marker{display:none}
.lp-faq summary::after{content:"+";font-size:21px;color:#4f46e5;font-weight:400;line-height:1}
.lp-faq details[open] summary::after{content:"−"}
.lp-faq p{padding:0 20px 18px;color:#64748b;margin:0;line-height:1.85;font-size:14.5px}

/* cta band */
.lp-band{background:linear-gradient(130deg,#312e81,#4f46e5 48%,#0ea5e9);color:#fff;border-radius:24px;
  padding:52px 44px;text-align:center;position:relative;overflow:hidden}
.lp-band::before{content:"";position:absolute;width:400px;height:400px;border-radius:50%;
  background:rgba(255,255,255,.09);top:-160px;right:-100px}
.lp-band h2{color:#fff;font-size:clamp(23px,3vw,33px);margin-bottom:12px;position:relative}
.lp-band p{opacity:.9;max-width:560px;margin:0 auto 26px;position:relative;font-size:16px}

/* footer */
.lp-footer{background:#0f172a;color:#94a3b8;padding:52px 0 26px;font-size:14px}
.lp-footer h4{color:#fff;font-size:14.5px;margin-bottom:14px}
.lp-footer a{color:#94a3b8;display:block;padding:4px 0}
.lp-footer a:hover{color:#fff}
.lp-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:34px}
.lp-footer-bottom{border-top:1px solid #1e293b;padding-top:20px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px}

@media(max-width:960px){
  .lp-hero-grid{grid-template-columns:1fr;gap:44px}
  .lp-window{transform:none}
  .lp-float{display:none}
  .lp-links{display:none}
  .lp-links.open{display:flex;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    padding:16px 22px;border-bottom:1px solid #e2e8f0;gap:4px;box-shadow:0 14px 26px -18px rgba(15,23,42,.4)}
  .lp-links.open a{padding:9px 0}
  .lp-burger{display:grid}
  .lp-footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .lp-section{padding:54px 0}
  .lp-band{padding:38px 22px;border-radius:18px}
  .lp-footer-grid{grid-template-columns:1fr}
  .lp-cards{grid-template-columns:repeat(2,1fr)}
}