:root{
  --color-primary:#22c55e;--color-primary-dark:#16a34a;--color-primary-soft:rgba(34,197,94,.12);
  --color-secondary:#22d3ee;--color-accent:#a855f7;
  --color-bg:#020617;--color-bg-soft:#071122;--color-surface:#0b1730;--color-surface-strong:#0f1d3a;
  --color-card:linear-gradient(180deg,rgba(11,23,48,.92),rgba(7,17,34,.95));
  --color-card-alt:linear-gradient(180deg,rgba(15,29,58,.9),rgba(7,17,34,.96));
  --color-border:rgba(34,211,238,.22);--color-border-strong:rgba(34,211,238,.38);
  --color-text:#e5f7ff;--color-text-soft:#c9d9e8;--color-text-muted:#9fb3c8;
  --color-success:#22c55e;--color-warning:#facc15;--color-danger:#ef4444;
  --color-footer-bg:rgba(2,6,23,.96);--color-footer-text:#b0c4d8;
  --gradient-hero:linear-gradient(135deg,rgba(34,211,238,.08),rgba(168,85,247,.06));
  --gradient-button:linear-gradient(90deg,var(--color-primary),var(--color-secondary));
  --gradient-cta:linear-gradient(135deg,rgba(34,197,94,.15),rgba(34,211,238,.1));
  --shadow-header:0 2px 20px rgba(0,0,0,.4),0 0 .6rem rgba(34,211,238,.12);
  --shadow-card:0 8px 24px rgba(0,0,0,.35),0 0 .5rem rgba(34,211,238,.08);
  --shadow-card-hover:0 12px 32px rgba(0,0,0,.45),0 0 .8rem rgba(34,197,94,.15);
  --shadow-button:0 4px 12px rgba(34,197,94,.25);
  --shadow-soft:0 2px 8px rgba(0,0,0,.2);
  --radius-sm:.5rem;--radius-md:.8rem;--radius-lg:1.1rem;--radius-xl:1.4rem;--radius-pill:999px;
  --font-base:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Noto Sans Bengali",sans-serif;
  --fs-h1:clamp(1.8rem,4vw,3.2rem);--fs-h2:clamp(1.4rem,3vw,2.2rem);--fs-h3:clamp(1.1rem,2vw,1.5rem);
  --fs-body:1rem;--fs-small:.875rem;--fs-nav:clamp(13px,.84vw,15px);
  --lh-body:1.8;--lh-heading:1.25;
  --container-max:1180px;--section-y:70px;--gap-md:1.5rem;
  --header-h:72px;--mobile-header-h:64px;
  --motion-normal:.3s;--ease-out:cubic-bezier(.25,.46,.45,.94);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-base);background:var(--color-bg);color:var(--color-text);line-height:var(--lh-body);overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at top left,rgba(34,211,238,.06),transparent 30%),radial-gradient(circle at top right,rgba(168,85,247,.07),transparent 25%),linear-gradient(180deg,#020617,#04101f);pointer-events:none}
a{color:var(--color-secondary);text-decoration:none;transition:color var(--motion-normal)}
a:hover{color:var(--color-primary)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{line-height:var(--lh-heading);margin:0 0 .8rem}
h1{font-size:var(--fs-h1);font-weight:800;text-shadow:0 0 18px rgba(34,211,238,.12)}
h2{font-size:var(--fs-h2);font-weight:800}
h3{font-size:var(--fs-h3);font-weight:700}
p{margin:0 0 1rem}
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 20px}
.center{text-align:center}
/* ===== HEADER ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(2,6,23,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-header)}
.header-inner{width:100%;max-width:none;padding-left:clamp(10px,1.2vw,20px);padding-right:clamp(10px,1.2vw,20px);min-height:var(--header-h);display:flex;align-items:center;gap:clamp(10px,1vw,18px)}
.brand-wrap{flex:0 0 auto;margin-right:clamp(4px,.8vw,14px);display:flex;align-items:center}
.site-logo{display:block;width:auto;height:clamp(32px,3vw,42px);max-width:clamp(118px,10vw,168px);object-fit:contain}
.primary-nav{flex:1 1 auto;min-width:0;display:flex;align-items:center;justify-content:center;flex-wrap:nowrap;gap:clamp(6px,.72vw,14px);white-space:nowrap;overflow:visible}
.primary-nav a{flex:0 1 auto;min-width:0;padding:9px clamp(6px,.65vw,12px);font-size:var(--fs-nav);line-height:1;white-space:nowrap;color:var(--color-text-soft);border-radius:var(--radius-sm);transition:all var(--motion-normal) var(--ease-out);font-weight:600}
.primary-nav a:hover,.primary-nav a:focus-visible{color:#020617;background:var(--gradient-button);box-shadow:var(--shadow-button)}
.primary-nav a.active{color:var(--color-primary);border-bottom:2px solid var(--color-primary)}
.header-actions{flex:0 0 auto;margin-left:auto;display:flex;align-items:center;justify-content:flex-end;gap:clamp(6px,.6vw,10px);white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;font-weight:700;font-size:var(--fs-small);border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--motion-normal) var(--ease-out);white-space:nowrap;text-decoration:none;line-height:1}
.btn-primary-glow{background:var(--gradient-button);color:#020617;box-shadow:var(--shadow-button)}
.btn-primary-glow:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(34,197,94,.35);color:#020617}
.btn-outline-glow{background:transparent;border:1px solid var(--color-secondary);color:var(--color-secondary);box-shadow:inset 0 0 12px rgba(34,211,238,.06)}
.btn-outline-glow:hover{background:rgba(34,211,238,.1);color:var(--color-secondary)}
.btn-login{background:transparent;border:1px solid var(--color-border);color:var(--color-text-soft);min-height:38px;padding:0 14px;font-size:var(--fs-small)}
.btn-login:hover{border-color:var(--color-secondary);color:var(--color-secondary)}
.btn-register{background:var(--gradient-button);color:#020617;min-height:38px;padding:0 14px;font-size:var(--fs-small)}
.btn-register:hover{transform:translateY(-1px);color:#020617}
.btn-full{width:100%}
.nav-toggle{display:none;flex:0 0 40px;width:40px;height:40px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--color-text);border-radius:2px;transition:all var(--motion-normal)}
.mobile-nav{display:none;position:fixed;left:12px;right:12px;top:76px;flex-direction:column;padding:16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);max-height:calc(100vh - 96px);overflow-y:auto;z-index:999}
.mobile-nav.is-open{display:flex}
.mobile-nav a{padding:14px 12px;color:var(--color-text-soft);font-weight:600;border-radius:var(--radius-sm);transition:background var(--motion-normal)}
.mobile-nav a:hover{background:rgba(34,211,238,.08);color:var(--color-text)}
/* ===== SECTIONS ===== */
section{padding:var(--section-y) 0}
.alt-bg{background:var(--color-bg-soft)}
.section-head{margin-bottom:2.5rem}
.section-head.center{text-align:center}
.section-tag{display:inline-flex;align-items:center;gap:.5rem;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.3);color:var(--color-secondary);border-radius:var(--radius-pill);padding:.4rem .9rem;font-size:.88rem;font-weight:700;margin-bottom:1rem}
.section-lead,.section-follow{color:var(--color-text-soft);max-width:900px;margin-bottom:1.5rem}
.section-head.center .section-lead{margin-left:auto;margin-right:auto}
.opening-lead{color:var(--color-text-soft);font-size:1.05rem;max-width:900px;margin-bottom:1.5rem}
/* ===== HERO ===== */
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.hero-lead{color:var(--color-text-soft);font-size:1.05rem;max-width:850px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:1.5rem 0}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.5rem}
.stat-box{padding:1rem;background:var(--color-primary-soft);border:1px solid rgba(34,197,94,.22);border-radius:var(--radius-md);text-align:center}
.stat-box strong{display:block;color:var(--color-primary);font-size:1.3rem}
.hero-panel{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.2rem;box-shadow:var(--shadow-card)}
.hero-panel-text{color:var(--color-text-muted);margin-top:1rem;margin-bottom:0}
.hero-img,.content-image{width:100%;border-radius:var(--radius-md);border:1px solid var(--color-border);box-shadow:var(--shadow-card)}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.3);color:var(--color-secondary);border-radius:var(--radius-pill);padding:.45rem .9rem;font-size:.9rem;font-weight:700;margin-bottom:1rem;box-shadow:0 0 .8rem rgba(34,211,238,.2)}
/* ===== SPLIT CONTENT ===== */
.split-content{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split-content.reverse{direction:rtl}.split-content.reverse>*{direction:ltr}
/* ===== CARDS ===== */
.feature-grid{display:grid;gap:1.2rem;margin:2rem 0}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.feature-card,.mini-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.4rem;transition:transform var(--motion-normal),border-color var(--motion-normal);height:100%}
.feature-card:hover,.mini-card:hover{transform:translateY(-4px);border-color:rgba(34,197,94,.35);box-shadow:var(--shadow-card-hover)}
.feature-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,rgba(34,197,94,.15),rgba(34,211,238,.1));border:1px solid rgba(34,211,238,.25);color:var(--color-secondary);font-size:1.3rem;margin-bottom:.8rem}
.feature-card p,.mini-card p{color:var(--color-text-muted);margin:0;font-size:.92rem}
/* ===== PRICING ===== */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin:2rem 0}
.price-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.8rem;text-align:center;height:100%;transition:transform var(--motion-normal)}
.price-card.featured{border-color:rgba(34,197,94,.4);transform:scale(1.02);box-shadow:var(--shadow-card-hover)}
.price-value{font-size:2rem;font-weight:800;color:var(--color-primary);margin:.5rem 0}
.check-list{list-style:none;padding:0;margin:1rem 0;text-align:left}
.check-list li{padding:.4rem 0;color:var(--color-text-soft)}
.check-list li::before{content:"✓";color:var(--color-success);margin-right:.5rem;font-weight:700}
/* ===== TABLE ===== */
.table-scroll{overflow-x:auto;border-radius:var(--radius-lg);background:var(--color-card);border:1px solid var(--color-border);padding:1rem;box-shadow:var(--shadow-card)}
.compare-table{width:100%;border-collapse:collapse;color:var(--color-text)}
.compare-table th,.compare-table td{padding:1rem;border-bottom:1px solid rgba(34,211,238,.12);text-align:left;vertical-align:top}
.compare-table thead th{background:rgba(34,211,238,.06);color:var(--color-secondary);font-weight:700}
/* ===== TESTIMONIALS ===== */
.testimonial-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.5rem}
.testimonial-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.2rem}
.stars{color:var(--color-warning);letter-spacing:.06em;margin-bottom:.5rem}
.reviewer{display:flex;justify-content:space-between;align-items:center;margin-top:.8rem;font-weight:700}
.reviewer small{color:var(--color-text-muted)}
/* ===== PRIVACY / NOTE ===== */
.privacy-card{background:linear-gradient(180deg,rgba(168,85,247,.1),rgba(7,17,34,.95));border:1px solid var(--color-border);border-left:4px solid var(--color-accent);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-card)}
.note-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem}
.note-card.warning{border-left:4px solid var(--color-warning)}
.note-list{list-style:none;padding:0;margin:1rem 0}
.note-list li{padding:.5rem 0;padding-left:1.5rem;position:relative;color:var(--color-text-soft)}
.note-list li::before{content:"⚠";position:absolute;left:0}
/* ===== CTA ===== */
.cta-panel{background:var(--gradient-cta);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:2.5rem;box-shadow:var(--shadow-card)}
.cta-panel h2{margin-bottom:1rem}
.cta-inline,.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.5rem}
/* ===== BREADCRUMB ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:.3rem;margin-bottom:1.2rem;font-size:var(--fs-small);color:var(--color-text-muted)}
.breadcrumb a{color:var(--color-secondary)}
.breadcrumb .sep{opacity:.5}
/* ===== INNER PAGE ===== */
.inner-opening,.policy-opening,.faq-opening,.about-story-opening,.platform-intro,.auth-opening{padding-top:calc(var(--section-y) + 10px)}
.policy-updated{display:inline-block;background:rgba(34,211,238,.06);border:1px solid var(--color-border);border-radius:var(--radius-pill);padding:.3rem .8rem;font-size:.82rem;color:var(--color-text-muted);margin-top:.5rem}
/* ===== AUTH / FORM ===== */
.auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}
.auth-form-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-card)}
.auth-form-card h3{margin-bottom:1.5rem;color:var(--color-text)}
.form-group{margin-bottom:1.2rem}
.form-group label{display:block;margin-bottom:.4rem;font-weight:600;font-size:var(--fs-small);color:var(--color-text-soft)}
.form-group input{width:100%;padding:12px 14px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:1rem;font-family:var(--font-base);transition:border-color var(--motion-normal)}
.form-group input:focus{outline:none;border-color:var(--color-secondary);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
.form-group input::placeholder{color:var(--color-text-muted)}
.form-note{margin-top:1rem;font-size:var(--fs-small);color:var(--color-text-muted);text-align:center}
.trust-card{background:var(--gradient-cta);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem}
/* ===== STEPS ===== */
.step-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin:2rem 0}
.step-item{text-align:center;padding:1.2rem}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--gradient-button);color:#020617;font-weight:800;font-size:1.1rem;margin-bottom:.8rem}
/* ===== VALUES / BENEFITS ===== */
.value-grid,.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin:2rem 0}
.value-card,.benefit-item{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.4rem}
/* ===== PLATFORM STATS ===== */
.platform-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:2rem 0}
.p-stat{text-align:center;padding:1.2rem;background:var(--color-primary-soft);border:1px solid rgba(34,197,94,.18);border-radius:var(--radius-md)}
.p-stat strong{display:block;color:var(--color-primary);font-size:1.2rem}
/* ===== FAQ ===== */
.faq-accordion{max-width:820px}
.faq-item{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:.8rem;overflow:hidden}
.faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;padding:1.1rem 1.2rem;background:transparent;border:none;color:var(--color-text);font-size:1rem;font-weight:700;cursor:pointer;text-align:left;font-family:var(--font-base);gap:1rem}
.faq-question:hover{background:rgba(34,211,238,.04)}
.faq-icon{flex-shrink:0;width:20px;height:20px;position:relative;transition:transform var(--motion-normal)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--color-text-muted);border-radius:2px}
.faq-icon::before{width:14px;height:2px;top:9px;left:3px}
.faq-icon::after{width:2px;height:14px;top:3px;left:9px;transition:transform var(--motion-normal)}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s var(--ease-out),padding .3s}
.faq-item.open .faq-answer{max-height:500px;padding:0 1.2rem 1.2rem}
.faq-answer p{color:var(--color-text-soft);margin:0}
.faq-feature-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;margin:2rem 0}
/* ===== FOOTER ===== */
.site-footer{margin-top:40px;border-top:1px solid var(--color-border);background:var(--color-footer-bg);box-shadow:0 -8px 20px rgba(0,0,0,.2);padding:3rem 0 2rem}
.footer-inner{max-width:var(--container-max);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 3fr;gap:2rem}
.footer-logo{margin-bottom:1rem;height:42px;width:auto}
.footer-desc{color:var(--color-footer-text);font-size:var(--fs-small);margin-bottom:.8rem}
.footer-email{color:var(--color-text-muted);font-size:var(--fs-small)}
.footer-links h4{color:var(--color-text);margin-bottom:1rem;font-size:1rem}
.footer-link{display:inline-block;color:var(--color-footer-text);margin:.3rem .8rem .3rem 0;font-size:var(--fs-small);transition:color var(--motion-normal)}
.footer-link:hover{color:var(--color-primary)}
.footer-bottom{grid-column:1/-1;border-top:1px solid var(--color-border);padding-top:1.5rem;margin-top:1rem}
.footer-bottom p{color:var(--color-text-muted);font-size:var(--fs-small);margin:0}
/* ===== 404 ===== */
.page-404 .error-section{padding:100px 0;text-align:center}
.page-404 h1{font-size:clamp(4rem,10vw,8rem);color:var(--color-primary);margin-bottom:.5rem}
.error-links{display:flex;gap:12px;justify-content:center;margin-top:2rem}
/* ===== POLICY VISUAL ===== */
.policy-visual{margin:2rem 0}
.policy-list{list-style:none;padding:0}
.policy-list li{padding:.6rem 0;padding-left:1.5rem;position:relative;color:var(--color-text-soft)}
.policy-list li::before{content:"•";position:absolute;left:0;color:var(--color-secondary);font-weight:700}
/* ===== MEMBERSHIP DETAIL ===== */
.membership-detail,.review-extra{margin-top:2.5rem;max-width:900px}
/* ===== FOCUS / A11Y ===== */
:focus-visible{outline:2px solid var(--color-secondary);outline-offset:3px;border-radius:4px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
/* ===== AOS FALLBACK ===== */
[data-aos]{opacity:1!important;transform:none!important}
/* ===== RESPONSIVE ===== */
@media(max-width:1180px){
  .primary-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{padding-left:clamp(8px,2.4vw,14px);padding-right:clamp(8px,2.4vw,14px);justify-content:flex-start;gap:clamp(6px,1.8vw,10px)}
  .brand-wrap{flex:0 1 auto;margin-right:0}
  .site-logo{height:clamp(30px,8vw,40px);max-width:clamp(104px,27vw,138px)}
  .header-actions{margin-left:auto;flex:0 0 auto;gap:clamp(5px,1.6vw,8px)}
  .header-actions .btn{min-height:40px;padding-inline:clamp(10px,2.6vw,14px);font-size:clamp(12px,3.2vw,14px)}
  .nav-toggle{flex-basis:40px}
}
@media(max-width:900px){
  :root{--section-y:48px}
  .hero-grid{grid-template-columns:1fr;gap:24px}
  .split-content{grid-template-columns:1fr;gap:24px}
  .split-content.reverse{direction:ltr}
  .feature-grid.grid-4,.feature-grid.grid-5,.faq-feature-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-grid{grid-template-columns:1fr}
  .price-card.featured{transform:none}
  .testimonial-row{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr}
  .auth-grid{grid-template-columns:1fr}
  .step-flow{grid-template-columns:repeat(2,1fr)}
  .value-grid,.benefit-grid{grid-template-columns:1fr}
  .platform-stats{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr}
  .cta-panel{padding:1.5rem}
}
@media(max-width:414px){
  .feature-grid.grid-4,.feature-grid.grid-5,.faq-feature-grid{grid-template-columns:1fr}
  .step-flow{grid-template-columns:1fr}
  .platform-stats{grid-template-columns:1fr}
  body{font-size:15px}
}
@media(max-width:375px){
  .header-inner{padding-left:8px;padding-right:8px;gap:6px}
  .site-logo{max-width:104px}
  .header-actions .btn{min-height:38px;padding-inline:9px;font-size:12px}
  .nav-toggle{flex-basis:38px;width:38px;height:38px}
  .container{padding:0 12px}
}