:root{
  --bg1:#f7fafc;
  --bg2:#f1f5f9;
  --accent1:#243b6b; /* deep blue */
  --accent2:#0ea5a4; /* muted teal */
  --text:#0f172a;
}
*{box-sizing:border-box}

html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial}
body{display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--bg1),var(--bg2));color:var(--text);padding:40px 20px;min-height:100vh;overflow:hidden}

/* subtle decorative background shapes */
  html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;background:linear-gradient(180deg,var(--bg1),var(--bg2));color:var(--text)}
  body{display:flex;align-items:center;justify-content:center;padding:40px 20px;min-height:100vh}

  .center{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:18px;padding:28px}
  .card{width:720px;max-width:92vw;background:linear-gradient(180deg,rgba(255,255,255,0.65),rgba(255,255,255,0.55));border-radius:16px;padding:40px 36px;box-shadow:0 30px 80px rgba(12,20,40,0.12);display:flex;flex-direction:column;align-items:center;gap:18px;border:1px solid rgba(255,255,255,0.6);backdrop-filter:blur(8px);position:relative;overflow:visible}
  .hero-logo{width:140px;height:140px;border-radius:14px;filter:drop-shadow(0 8px 18px rgba(16,24,40,0.06));transition:transform .2s ease}
  .hero-logo{animation:float 8s ease-in-out infinite;transform-origin:center}
  .hero-logo:hover{transform:translateY(-6px) rotate(-2deg) scale(1.02)}
  .coming{font-family:Poppins, Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Arial; font-size:clamp(28px,5.6vw,44px);letter-spacing:0.6px;color:var(--accent1);margin:0;font-weight:800}
  .tag{color:#475569;opacity:0.95;margin:0;font-size:15px}

  .tag{max-width:68ch}

  /* headline entrance */
  .animate-in{opacity:0;transform:translateY(6px);animation:enter .6s cubic-bezier(.2,.9,.2,1) forwards}
  @keyframes enter{to{opacity:1;transform:none}}

/* per-letter reveal */
.headline-text .char{display:inline-block;opacity:0;transform:translateY(10px);transition:transform .48s cubic-bezier(.2,.9,.2,1),opacity .48s}
.reveal-active .char{opacity:1;transform:none}

/* card entrance */
.card.enter{opacity:0;transform:translateY(8px) scale(.995)}
.card.show{opacity:1;transform:none;transition:transform .6s cubic-bezier(.2,.9,.2,1),opacity .6s}

/* respect reduced motion */
@media (prefers-reduced-motion: reduce){
  .headline-text .char{transition:none}
  .card.show{transition:none}
  .hero-logo{animation:none}
  .blobs .blob{animation:none}
}

/* coming headline shimmer, underline draw, and animated dots */
.coming{position:relative;display:inline-block}
.coming::before{content:'';position:absolute;left:-40%;top:0;width:80%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.35),transparent);transform:skewX(-12deg);animation:shimmer 3.2s linear infinite;pointer-events:none;mix-blend-mode:normal;opacity:0.38}
@keyframes shimmer{0%{transform:translateX(-120%) skewX(-20deg)}100%{transform:translateX(220%) skewX(-20deg)}}
.coming::after{content:'';position:absolute;left:50%;right:50%;bottom:-10px;height:3px;background:linear-gradient(90deg,var(--accent2),var(--accent1));border-radius:3px}
.coming.animate-in::after{animation:drawLine .72s cubic-bezier(.2,.9,.2,1) forwards}
@keyframes drawLine{from{left:50%;right:50%}to{left:12%;right:12%}}
.dots{display:inline-block;margin-left:8px;vertical-align:baseline}
.dots i{opacity:0;display:inline-block;font-style:normal;margin:0 4px;color:var(--accent1);font-weight:700;animation:dot 1.2s infinite}
.dots i:nth-child(1){animation-delay:0s}
.dots i:nth-child(2){animation-delay:0.18s}
.dots i:nth-child(3){animation-delay:0.36s}
@keyframes dot{0%{opacity:0;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}60%{opacity:0;transform:translateY(0)}100%{opacity:0}}

  /* accessibility helper */
  .sr-only{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}

  /* focus styles */
  :focus{outline: none}
  .notify-button:focus,.notify-input:focus,.social:focus,.btn:focus{outline:3px solid rgba(58,176,255,0.18);outline-offset:3px;border-radius:10px}

  /* form */
  .notify-form{display:flex;gap:10px;margin-top:6px;align-items:center}
  .notify-input{padding:12px 14px;border-radius:10px;border:1px solid rgba(8,18,41,0.06);min-width:260px;font-size:15px;outline:none;transition:box-shadow .18s ease,border-color .18s ease}
  .notify-input:focus{box-shadow:0 8px 30px rgba(58,176,255,0.08);border-color:rgba(58,176,255,0.18)}
  .notify-button{padding:12px 16px;border-radius:10px;border:0;background:linear-gradient(90deg,var(--accent1),var(--accent2));color:white;font-weight:700;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}
  .notify-button:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(16,24,40,0.06)}
  .notify-button{position:relative;overflow:hidden}
  .notify-button:active{transform:translateY(0) scale(.99)}

  /* ripple */
  .ripple{position:absolute;border-radius:50%;transform:scale(0);background:rgba(255,255,255,0.6);pointer-events:none;width:18px;height:18px;opacity:0.85}
  @keyframes rippleAnim{to{transform:scale(6);opacity:0}}

  /* success pulse */
  .notify-button.pulse{animation:pulse .9s ease-out}
  @keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.04)}100%{transform:scale(1)}}

  .foot{display:flex;align-items:center;gap:12px;color:#64748b;margin-top:10px}
  .social{color:var(--text);text-decoration:none;padding:6px 10px;border-radius:8px;border:1px solid rgba(8,18,41,0.04)}
  .social:hover{background:linear-gradient(90deg,rgba(124,92,255,0.06),rgba(58,176,255,0.04))}

  /* toast */
  .toast{position:fixed;right:20px;bottom:20px;background:linear-gradient(180deg,#ffffff,#f3f6ff);color:var(--text);padding:12px 16px;border-radius:10px;box-shadow:0 8px 30px rgba(8,18,41,0.08);border-left:4px solid var(--accent1);opacity:0;transition:opacity .25s}

  /* sparkles */
  .sparkle{position:absolute;border-radius:50%;pointer-events:none}
  .sparkle.small{width:6px;height:6px;background:rgba(255,255,255,0.9);box-shadow:0 0 6px rgba(0,0,0,0.06)}
  .sparkle.blue{width:8px;height:8px;background:var(--accent2);box-shadow:0 0 8px rgba(0,0,0,0.06)}

@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-8px)}100%{transform:translateY(0)}}

/* background blobs */
.blobs{position:fixed;inset:0;pointer-events:none;z-index:0}
.blob{position:absolute;border-radius:50%;filter:blur(20px);opacity:0.55}
.b1{width:360px;height:360px;background:linear-gradient(135deg,var(--accent1),rgba(71,85,105,0.12));left:-6%;top:6%;animation:blobMove 18s ease-in-out infinite}
.b2{width:420px;height:420px;background:linear-gradient(135deg,var(--accent2),rgba(71,85,105,0.08));right:-6%;top:18%;animation:blobMove 20s ease-in-out infinite reverse}
.b3{width:260px;height:260px;background:linear-gradient(135deg,rgba(255,215,122,0.12),rgba(255,199,246,0.10));left:20%;bottom:-6%;animation:blobMove 16s ease-in-out infinite}
@keyframes blobMove{0%{transform:translateY(0) scale(1)}50%{transform:translateY(-18px) scale(1.04)}100%{transform:translateY(0) scale(1)}}

/* ensure card sits above blobs */
.center,.card{z-index:2}

/* CTA polish */
.notify-button{box-shadow:0 6px 18px rgba(16,24,40,0.04)}
.notify-button:hover{box-shadow:0 10px 28px rgba(16,24,40,0.06)}

  /* Stay tuned CTA */
  .stay-tuned{margin-top:10px}
  .stay-btn{background:transparent;border:1px solid rgba(15,23,42,0.06);padding:8px 12px;border-radius:999px;color:var(--accent1);font-weight:700;cursor:pointer;transition:transform .12s ease,box-shadow .12s}
  .stay-btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(16,24,40,0.04)}
  .stay-btn:active{transform:translateY(0)}

@media (max-width:520px){
  .b1,.b2,.b3{display:none}
}

  /* small screens adjustments */
  @media (max-width:720px){
    .b1,.b2,.b3{display:none}
    body{padding:28px 14px}
    .card{width:92vw;padding:24px 18px}
    .hero-logo{width:96px;height:96px}
    .coming{font-size:clamp(20px,6vw,32px)}
    .notify-form{flex-direction:column;align-items:stretch}
    .notify-input,.notify-button{width:100%}
    .stay-tuned{margin-top:12px}
    .pro-foot{font-size:12px;padding-top:12px}
  }

  @media (max-width:420px){
    .hero-logo{width:84px;height:84px}
    .card{padding:20px}
    .coming{font-size:20px}
    .notify-input{padding:14px}
    .notify-button{padding:12px}
    .stay-btn{padding:10px 12px}
  }

  /* professional footer */
  .pro-foot{font-size:13px;color:#475569;margin-top:16px;padding-top:14px;border-top:1px solid rgba(15,23,42,0.04)}

  /* Modal styles */
  .modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:60}
  .modal[aria-hidden="false"]{display:flex}
  .modal-backdrop{position:absolute;inset:0;background:rgba(4,6,12,0.45)}
  .modal-panel{position:relative;background:white;padding:22px;border-radius:12px;max-width:460px;width:92%;box-shadow:0 30px 80px rgba(8,18,41,0.15);transform:translateY(10px);opacity:0;transition:transform .28s cubic-bezier(.2,.9,.2,1),opacity .22s}
  .modal-panel{max-height:calc(100vh - 80px);overflow:auto}
  .modal[aria-hidden="false"] .modal-panel{transform:none;opacity:1}
  .modal-close{position:absolute;right:10px;top:10px;border:0;background:transparent;font-size:18px;cursor:pointer}
  .modal-form{display:flex;flex-direction:column;gap:10px;margin-top:8px}
  .modal-form input{padding:10px 12px;border-radius:8px;border:1px solid rgba(8,18,41,0.06)}
.hero-text .coming{background:linear-gradient(90deg,var(--accent1),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* Extra visual polish: neon glow, 3D readiness, and confetti pieces */
.coming{text-shadow:0 6px 16px rgba(124,92,255,0.06),0 2px 6px rgba(58,176,255,0.04)}
.coming .headline-text .char{filter:drop-shadow(0 4px 10px rgba(124,92,255,0.06));}
.card{transform-style:preserve-3d;transition:transform .18s ease,box-shadow .18s ease}
.hero-logo{border:2px solid rgba(255,255,255,0.08);background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.03));padding:6px}
.confetti-piece{position:fixed;z-index:9999;pointer-events:none;width:8px;height:12px;opacity:0.85;border-radius:2px}
@keyframes confettiFall{to{transform:translateY(700px) rotate(720deg);opacity:0}}