/* ═══════════════════════════════════════
   LANDING PAGE — always dark, fixed palette
═══════════════════════════════════════ */
#screen-home{display:none;background:#070B14;color:#F1F5F9}
#screen-home.active{display:block}
.land-nav{display:flex;align-items:center;justify-content:space-between;padding:0 40px;height:60px;border-bottom:1px solid rgba(255,255,255,.05);position:sticky;top:0;z-index:50;background:rgba(7,11,20,.9);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.logo{font-size:17px;font-weight:800;letter-spacing:-.2px;cursor:pointer;color:#F1F5F9}
.logo span{background:linear-gradient(130deg,#3b82f6,#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.btn-land-primary{background:#6366f1;color:#fff;border:none;box-shadow:0 1px 2px rgba(99,102,241,.3),inset 0 1px 0 rgba(255,255,255,.1)}
.btn-land-primary:hover{background:#5254f0;transform:translateY(-1px);box-shadow:0 4px 16px rgba(99,102,241,.45)}
.btn-land-ghost{background:rgba(255,255,255,.05);color:#CBD5E1;border:1px solid rgba(255,255,255,.1)}
.btn-land-ghost:hover{background:rgba(255,255,255,.09);color:#F1F5F9;border-color:rgba(255,255,255,.18);transform:translateY(-1px)}
.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:64px;max-width:1180px;margin:0 auto;padding:80px 40px 100px;min-height:calc(100vh - 60px)}
.hero-left{max-width:520px}
.hero-right{position:relative;display:flex;justify-content:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.22);font-size:11px;font-weight:600;color:#a5b4fc;letter-spacing:.4px;margin-bottom:26px}
.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:#6366f1;box-shadow:0 0 6px #6366f1;animation:ldpulse 2s ease infinite;flex-shrink:0}
@keyframes ldpulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
.hero h1{font-size:clamp(36px,4vw,54px);font-weight:800;letter-spacing:-2.5px;line-height:1.05;margin-bottom:20px;color:#F8FAFC}
.hero h1 .grad{background:linear-gradient(130deg,#3b82f6 0%,#7c3aed 55%,#a855f7 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:15.5px;color:#94A3B8;line-height:1.72;margin-bottom:34px;max-width:420px}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.hero-cta .btn{padding:12px 22px;font-size:13.5px;border-radius:9px}
.hero-proof{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hero-proof-item{display:flex;align-items:center;gap:6px;font-size:12px;color:#475569}
.hero-proof-item span{color:#22c55e;font-weight:700}
.hero-preview{position:relative;width:100%;max-width:560px}
.preview-window{background:#0D1626;border:1px solid rgba(255,255,255,.08);border-radius:14px;overflow:hidden;box-shadow:0 32px 80px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.04),inset 0 1px 0 rgba(255,255,255,.05);transform:perspective(1400px) rotateY(-5deg) rotateX(3deg);transition:transform .5s cubic-bezier(.4,0,.2,1),box-shadow .5s}
.hero-preview:hover .preview-window{transform:perspective(1400px) rotateY(-1.5deg) rotateX(1deg);box-shadow:0 40px 100px rgba(0,0,0,.75)}
.preview-tb{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#090E1C;border-bottom:1px solid rgba(255,255,255,.06)}
.preview-tb-dots{display:flex;gap:6px}
.preview-tb-dot{width:10px;height:10px;border-radius:50%}
.preview-tb-dot:nth-child(1){background:#FF5F57}
.preview-tb-dot:nth-child(2){background:#FFBD2E}
.preview-tb-dot:nth-child(3){background:#28CA40}
.preview-tb-url{flex:1;margin:0 12px;height:22px;border-radius:5px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.07);display:flex;align-items:center;padding:0 9px;font-size:10px;color:#475569;letter-spacing:.2px}
.preview-body{display:flex;height:260px}
.preview-sb{width:42px;background:#090E1C;border-right:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;align-items:center;padding:12px 0;gap:10px;flex-shrink:0}
.preview-sb-logo{width:24px;height:24px;border-radius:6px;background:linear-gradient(135deg,#3b82f6,#7c3aed);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;color:#fff;margin-bottom:8px}
.preview-sb-nav{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#334155}
.preview-sb-nav.act{background:rgba(99,102,241,.2);color:#818cf8}
.preview-main{flex:1;padding:14px 16px;overflow:hidden;display:flex;flex-direction:column;gap:11px}
.preview-greeting{font-size:11px;font-weight:700;color:#E2E8F0;letter-spacing:-.1px}
.preview-stats-row{display:flex;gap:7px}
.preview-sc{flex:1;background:#0F1A30;border:1px solid rgba(255,255,255,.07);border-radius:7px;padding:8px 9px}
.preview-sc.hl{border-color:rgba(99,102,241,.25);background:rgba(99,102,241,.08)}
.preview-sc-n{font-size:15px;font-weight:700;color:#F1F5F9;letter-spacing:-.5px}
.preview-sc.hl .preview-sc-n{color:#818cf8}
.preview-sc-l{font-size:8.5px;color:#475569;margin-top:1px;font-weight:500;text-transform:uppercase;letter-spacing:.4px}
.preview-stitle{font-size:9px;font-weight:600;color:#334155;text-transform:uppercase;letter-spacing:.6px}
.preview-alist{display:flex;flex-direction:column;gap:5px}
.preview-arow{display:flex;align-items:center;gap:7px;background:#0F1A30;border:1px solid rgba(255,255,255,.05);border-radius:6px;padding:6px 8px}
.preview-adot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.preview-adot.g{background:#22c55e;box-shadow:0 0 4px rgba(34,197,94,.5)}
.preview-adot.a{background:#f59e0b;box-shadow:0 0 4px rgba(245,158,11,.5)}
.preview-aname{font-size:9.5px;color:#CBD5E1;font-weight:500;flex:1}
.preview-atime{font-size:9px;color:#475569;flex-shrink:0}
.preview-abadge{font-size:8px;font-weight:600;padding:2px 5px;border-radius:4px;flex-shrink:0}
.preview-abadge.c{background:rgba(34,197,94,.1);color:#22c55e;border:1px solid rgba(34,197,94,.15)}
.preview-abadge.p{background:rgba(245,158,11,.1);color:#f59e0b;border:1px solid rgba(245,158,11,.15)}
.preview-notif{position:absolute;bottom:-18px;left:-28px;background:#0D1626;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:10px;box-shadow:0 16px 48px rgba(0,0,0,.6);z-index:10;min-width:200px;animation:lfloatA 3.2s ease-in-out infinite}
@keyframes lfloatA{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.preview-notif-icon{font-size:18px;line-height:1;flex-shrink:0}
.preview-notif-title{font-size:11px;font-weight:600;color:#F1F5F9;margin-bottom:2px}
.preview-notif-sub{font-size:10px;color:#64748B}
.preview-pub{position:absolute;top:-18px;right:-24px;background:#0D1626;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:12px 14px;box-shadow:0 16px 48px rgba(0,0,0,.6);z-index:10;animation:lfloatB 3.8s ease-in-out infinite}
@keyframes lfloatB{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.preview-pub-label{font-size:9px;font-weight:700;color:#64748B;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.preview-pub-slots{display:grid;grid-template-columns:1fr 1fr;gap:5px}
.preview-pub-slot{font-size:10px;font-weight:500;text-align:center;padding:5px 10px;border-radius:6px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);color:#94A3B8}
.preview-pub-slot.sel{background:rgba(99,102,241,.2);border-color:rgba(99,102,241,.4);color:#818cf8;font-weight:600}
.preview-pub-slot.tkn{opacity:.35;text-decoration:line-through;color:#334155}
.land-strip{border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04);background:rgba(255,255,255,.015);padding:18px 40px;display:flex;justify-content:center;gap:48px;flex-wrap:wrap}
.land-strip-item{display:flex;align-items:center;gap:7px;font-size:12px;color:#475569;white-space:nowrap}
.land-strip-item b{color:#64748B;font-weight:600}
.land-sec{max-width:1100px;margin:0 auto;padding:96px 40px}
.land-sec-label{font-size:11px;font-weight:700;color:#6366f1;text-transform:uppercase;letter-spacing:1px;margin-bottom:11px}
.land-sec-title{font-size:clamp(28px,2.8vw,40px);font-weight:800;letter-spacing:-1.5px;color:#F8FAFC;margin-bottom:13px;line-height:1.08}
.land-sec-sub{font-size:15px;color:#475569;max-width:460px;line-height:1.7;margin-bottom:52px}
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.benefit-card{background:#0D1626;border:1px solid rgba(255,255,255,.07);border-radius:14px;padding:26px 22px;transition:border-color .22s,transform .22s,box-shadow .22s}
.benefit-card:hover{border-color:rgba(99,102,241,.3);transform:translateY(-3px);box-shadow:0 10px 40px rgba(0,0,0,.4),0 0 0 1px rgba(99,102,241,.1)}
.benefit-icon{width:40px;height:40px;border-radius:10px;background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.17);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:15px}
.benefit-card h3{font-size:14px;font-weight:700;color:#E2E8F0;margin-bottom:7px;letter-spacing:-.2px}
.benefit-card p{font-size:13px;color:#475569;line-height:1.65}
.how-sec{max-width:1100px;margin:0 auto;padding:0 40px 96px}
.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
.how-steps::before{content:'';position:absolute;top:23px;left:calc(16.67% + 20px);right:calc(16.67% + 20px);height:1px;background:linear-gradient(90deg,rgba(99,102,241,.5),rgba(168,85,247,.5));z-index:0}
.how-step{text-align:center;padding:0 28px;position:relative;z-index:1}
.how-step-num{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#7c3aed);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;color:#fff;margin:0 auto 20px;box-shadow:0 4px 20px rgba(99,102,241,.45)}
.how-step h3{font-size:14.5px;font-weight:700;color:#E2E8F0;margin-bottom:9px;letter-spacing:-.2px}
.how-step p{font-size:13px;color:#475569;line-height:1.65}
.land-cta-wrap{padding:0 40px 80px;max-width:1180px;margin:0 auto}
.land-cta{background:linear-gradient(135deg,rgba(59,130,246,.09),rgba(124,58,237,.11));border:1px solid rgba(99,102,241,.18);border-radius:20px;padding:72px 40px;text-align:center;position:relative;overflow:hidden}
.land-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 50% -20%,rgba(99,102,241,.12),transparent);pointer-events:none}
.land-cta h2{font-size:clamp(28px,3vw,40px);font-weight:800;letter-spacing:-1.5px;color:#F8FAFC;margin-bottom:14px;line-height:1.1;position:relative}
.land-cta p{font-size:15px;color:#475569;margin-bottom:32px;max-width:380px;margin-left:auto;margin-right:auto;line-height:1.7;position:relative}
.land-cta .btn{position:relative;padding:13px 30px;font-size:14px;border-radius:10px}
.land-footer{padding:22px 40px;border-top:1px solid rgba(255,255,255,.05);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:#334155}
.feat{transition:border-color .2s,transform .25s,box-shadow .25s}
.feat:hover{border-color:rgba(99,102,241,.3);transform:translateY(-3px);box-shadow:0 6px 24px rgba(0,0,0,.12)}

/* ── Responsive Landing ── */
@media(max-width:920px){
  .hero{grid-template-columns:1fr;gap:48px;padding:60px 28px 72px;min-height:auto;text-align:center}
  .hero-left{max-width:100%}
  .hero p{margin-left:auto;margin-right:auto}
  .hero-cta,.hero-proof{justify-content:center}
  .hero-right{max-width:460px;width:100%;margin:0 auto}
  .benefits-grid{grid-template-columns:repeat(2,1fr)}
  .how-steps::before{display:none}
  .land-strip{gap:24px;padding:18px 24px}
  .land-cta-wrap{padding:0 24px 64px}
}
@media(max-width:600px){
  .land-nav{padding:0 20px;height:54px}
  .hero{padding:36px 20px 56px;gap:36px}
  .preview-window{transform:none!important}
  .preview-notif,.preview-pub{display:none}
  .benefits-grid{grid-template-columns:1fr}
  .how-sec,.land-sec{padding-left:20px;padding-right:20px}
  .how-steps{grid-template-columns:1fr;gap:32px}
  .how-step{padding:0 8px}
  .land-cta-wrap{padding:0 16px 56px}
  .land-cta{padding:48px 24px;border-radius:16px}
  .land-footer{padding:20px;justify-content:center;text-align:center}
  .land-strip{padding:16px 20px;gap:16px}
  .hero h1{font-size:32px;letter-spacing:-1px}
}