:root{
  --bg:#0a1929;
  --bg-2:#0e1f33;
  --bg-3:#132a42;
  --surface:#132a42;
  --ink:#f0f9ff;
  --ink-2:#cbe6f7;
  --muted:#7c9bb5;
  --muted-2:#4d6b85;
  --line:rgba(42,171,238,.12);
  --line-2:rgba(42,171,238,.06);
  --tg:#2AABEE;
  --tg-2:#229ED9;
  --tg-3:#0088cc;
  --tg-dark:#1c8dc4;
  --tg-soft:rgba(42,171,238,.12);
  --purple:#8b5cf6;
  --green:#10b981;
  --orange:#f59e0b;
  --pink:#ec4899;
  --cyan:#06b6d4;
  --violet:#a855f7;
  --red:#ef4444;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.bg-fx{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.bg-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(42,171,238,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(42,171,238,.04) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 80%);
}
.glow{position:absolute;border-radius:50%;filter:blur(120px);opacity:.35;animation:float 22s ease-in-out infinite}
.glow-tg{width:600px;height:600px;top:-15%;left:5%;background:radial-gradient(circle,#2AABEE,transparent 65%)}
.glow-purple{width:520px;height:520px;top:20%;right:-10%;background:radial-gradient(circle,#8b5cf6,transparent 65%);animation-delay:-8s;opacity:.28}
.glow-cyan{width:480px;height:480px;bottom:5%;left:35%;background:radial-gradient(circle,#06b6d4,transparent 65%);animation-delay:-15s;opacity:.2}
@keyframes float{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(40px,-50px) scale(1.1)}
}

.nav{
  position:sticky;top:0;z-index:50;
  padding:14px 24px;
  background:rgba(10,25,41,.75);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px}
.brand-logo{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,#2AABEE,#229ED9);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:900;font-size:15px;
  box-shadow:0 8px 22px -8px rgba(42,171,238,.7);
  overflow:hidden;flex-shrink:0;
}
.brand-logo img{width:100%;height:100%;object-fit:cover}
.brand-name{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.nav-links{display:flex;gap:4px}
.nav-links a{
  font-size:14px;color:var(--muted);font-weight:500;
  padding:7px 14px;border-radius:8px;
  transition:background .15s,color .15s;
}
.nav-links a:hover{background:var(--tg-soft);color:var(--ink)}
.nav-right{display:flex;gap:10px;align-items:center}
.nav-signin{
  font-size:14px;font-weight:600;color:var(--ink-2);
  padding:8px 14px;border-radius:8px;
  transition:background .15s;
}
.nav-signin:hover{background:var(--tg-soft)}
.nav-cta{
  font-size:14px;font-weight:700;
  color:#fff;
  background:linear-gradient(135deg,#2AABEE,#229ED9);
  padding:9px 18px;border-radius:9px;
  box-shadow:0 8px 20px -8px rgba(42,171,238,.7);
  transition:all .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 26px -8px rgba(42,171,238,1)}

main{position:relative;z-index:1}

/* HERO */
.hero{padding:90px 24px 60px;text-align:center}
.hero-inner{max-width:900px;margin:0 auto}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px;
  background:var(--tg-soft);
  border:1px solid rgba(42,171,238,.28);
  border-radius:999px;
  font-size:12.5px;font-weight:700;color:var(--tg);
  margin-bottom:28px;
  letter-spacing:.01em;
}
.badge-icon{display:flex;align-items:center;color:var(--tg)}
.badge-dot{
  width:6px;height:6px;border-radius:50%;background:#10b981;
  box-shadow:0 0 0 3px rgba(16,185,129,.25);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(16,185,129,.25)}
  50%{box-shadow:0 0 0 6px rgba(16,185,129,0)}
}

.hero-h1{
  font-size:clamp(36px,6vw,64px);
  font-weight:900;
  line-height:1.05;
  letter-spacing:-.045em;
  color:var(--ink);
  margin-bottom:24px;
}
.grad-text{
  background:linear-gradient(135deg,#2AABEE 0%,#229ED9 50%,#8b5cf6 100%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.hero-lede{
  font-size:17px;
  color:var(--muted);
  line-height:1.65;
  max-width:640px;margin:0 auto 40px;
}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:52px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:11px;
  font-size:14.5px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;font-family:inherit;
  transition:all .2s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#2AABEE,#229ED9);
  color:#fff;
  box-shadow:0 14px 32px -12px rgba(42,171,238,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px -12px rgba(42,171,238,1)}
.btn-outline{
  background:rgba(255,255,255,.03);
  color:var(--ink-2);
  border-color:var(--line);
}
.btn-outline:hover{background:var(--tg-soft);border-color:rgba(42,171,238,.4);color:var(--ink)}
.btn-block{width:100%}
.btn-lg{padding:15px 28px;font-size:15px}

.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
  max-width:820px;margin:0 auto;
}
.hs{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;
  background:rgba(255,255,255,.025);
  border:1px solid var(--line);
  border-radius:14px;
  text-align:left;
  transition:all .2s;
}
.hs:hover{background:rgba(255,255,255,.05);border-color:rgba(42,171,238,.3);transform:translateY(-2px)}
.hs-ic{
  width:38px;height:38px;
  border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;flex-shrink:0;
}
.ic-blue{background:rgba(42,171,238,.15);color:#2AABEE}
.ic-purple{background:rgba(139,92,246,.15);color:#8b5cf6}
.ic-green{background:rgba(16,185,129,.15);color:#10b981}
.ic-orange{background:rgba(245,158,11,.15);color:#f59e0b}
.hs-body{min-width:0}
.hs-val{font-size:13.5px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.2}
.hs-lbl{font-size:11.5px;color:var(--muted);font-weight:600;margin-top:2px}

/* SECTIONS */
.section{padding:80px 24px}
.section-alt{background:rgba(14,31,51,.5);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.section-wrap{max-width:1200px;margin:0 auto}
.section-narrow{max-width:760px}
.sec-head{text-align:center;margin-bottom:52px}
.sec-pill{
  display:inline-block;
  padding:6px 16px;
  background:var(--tg-soft);
  border:1px solid rgba(42,171,238,.28);
  border-radius:999px;
  font-size:11.5px;font-weight:800;
  color:var(--tg);
  text-transform:uppercase;
  letter-spacing:.08em;
  margin-bottom:18px;
}
.sec-h2{
  font-size:clamp(28px,4vw,44px);
  font-weight:900;
  letter-spacing:-.04em;
  line-height:1.15;
  color:var(--ink);
  margin-bottom:14px;
}
.sec-p{font-size:16px;color:var(--muted);max-width:520px;margin:0 auto;line-height:1.6}

/* FEATURES */
.features-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}
.feature{
  background:rgba(255,255,255,.025);
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px 22px;
  position:relative;
  overflow:hidden;
  transition:all .3s cubic-bezier(.3,1,.5,1);
}
.feature::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--c);
  opacity:.75;
  transition:opacity .2s;
}
.feature:hover{
  background:rgba(255,255,255,.05);
  border-color:color-mix(in srgb,var(--c) 35%,transparent);
  transform:translateY(-4px);
  box-shadow:0 24px 48px -24px color-mix(in srgb,var(--c) 50%,transparent);
}
.feature:hover::before{opacity:1}
.feature-main{
  grid-column:span 2;
  padding:28px 26px;
}

.f-top{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:16px;
}
.f-ic{
  width:44px;height:44px;
  border-radius:12px;
  background:color-mix(in srgb,var(--c) 18%,transparent);
  border:1px solid color-mix(in srgb,var(--c) 32%,transparent);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;line-height:1;
}
.f-num{
  font-size:11.5px;
  font-weight:800;
  color:color-mix(in srgb,var(--c) 80%,white);
  letter-spacing:.06em;
  opacity:.7;
}
.feature h3{
  font-size:16px;font-weight:800;
  letter-spacing:-.015em;color:var(--ink);
  margin-bottom:8px;line-height:1.3;
}
.feature-main h3{font-size:17px}
.feature p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* PRICING */
.plans{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:16px;align-items:start;
}
.plan{
  background:rgba(255,255,255,.025);
  border:1px solid var(--line);
  border-radius:20px;
  padding:32px 28px;
  position:relative;
  transition:all .3s cubic-bezier(.3,1,.5,1);
}
.plan:hover{border-color:rgba(42,171,238,.35);transform:translateY(-4px)}
.plan-hot{
  background:linear-gradient(180deg,rgba(42,171,238,.1),rgba(139,92,246,.04));
  border-color:rgba(42,171,238,.45);
  box-shadow:0 30px 60px -20px rgba(42,171,238,.4);
  transform:scale(1.03);
}
.plan-hot:hover{transform:scale(1.03) translateY(-4px)}
.plan-flag{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  padding:5px 16px;
  background:linear-gradient(135deg,#2AABEE,#229ED9);
  color:#fff;
  font-size:10.5px;font-weight:900;
  border-radius:999px;
  letter-spacing:.1em;
  box-shadow:0 8px 20px -8px rgba(42,171,238,.9);
  white-space:nowrap;
}
.plan-badge{
  font-size:12.5px;
  font-weight:800;
  color:var(--muted);
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:12px;
}
.plan-badge-hot{color:var(--tg)}
.plan-price{
  display:flex;align-items:baseline;gap:3px;
  margin-bottom:8px;
}
.cur{font-size:22px;font-weight:700;color:var(--muted);align-self:flex-start;margin-top:8px}
.amt{
  font-size:52px;font-weight:900;
  letter-spacing:-.05em;
  color:var(--ink);
  line-height:1;
}
.plan-for{font-size:13px;color:var(--muted);margin-bottom:24px}

.plan-specs{
  display:grid;grid-template-columns:1fr 1fr;
  gap:10px 14px;
  padding:16px 0;
  margin-bottom:16px;
  border-top:1px solid var(--line-2);
  border-bottom:1px solid var(--line-2);
}
.spec{display:flex;flex-direction:column;gap:2px}
.sk{
  font-size:10.5px;font-weight:700;
  color:var(--muted-2);
  text-transform:uppercase;
  letter-spacing:.06em;
}
.sv{
  font-size:14px;font-weight:800;
  color:var(--ink);
  letter-spacing:-.01em;
}
.plan-hot .sv{color:var(--tg)}

.plan-list{
  list-style:none;
  display:flex;flex-direction:column;gap:10px;
  margin-bottom:26px;
}
.plan-list li{
  font-size:13.5px;color:var(--ink-2);
  padding-left:22px;position:relative;
  line-height:1.5;font-weight:500;
}
.plan-list li::before{
  content:"✓";
  position:absolute;left:0;
  color:var(--tg);font-weight:800;
}
.plan-btn{
  display:block;text-align:center;
  padding:13px 22px;
  border-radius:11px;
  font-size:14px;font-weight:800;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--ink-2);
  transition:all .2s;
}
.plan-btn:hover{background:var(--tg-soft);border-color:rgba(42,171,238,.4);color:var(--tg)}
.plan-btn-hot{
  background:linear-gradient(135deg,#2AABEE,#229ED9);
  color:#fff;border-color:transparent;
  box-shadow:0 14px 30px -12px rgba(42,171,238,.85);
}
.plan-btn-hot:hover{transform:translateY(-2px);box-shadow:0 20px 38px -12px rgba(42,171,238,1);color:#fff}
.plans-note{
  text-align:center;margin-top:28px;
  font-size:13px;color:var(--muted-2);
}

/* FAQ */
.faq{
  background:rgba(255,255,255,.02);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}
.faq details{border-bottom:1px solid var(--line-2)}
.faq details:last-child{border-bottom:none}
.faq summary{
  padding:20px 26px;
  cursor:pointer;list-style:none;
  font-size:15px;font-weight:700;
  color:var(--ink);
  position:relative;padding-right:56px;
  transition:background .15s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  position:absolute;right:26px;top:50%;
  transform:translateY(-50%);
  font-size:22px;font-weight:300;
  color:var(--tg);
  transition:transform .25s;
}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{background:var(--tg-soft)}
.faq p{
  padding:0 26px 22px;
  font-size:14px;color:var(--muted);
  line-height:1.7;
}

/* CONTACT */
.contact{text-align:center;padding:24px 0}
.contact-ic{
  width:64px;height:64px;
  border-radius:18px;
  background:var(--tg-soft);
  border:1px solid rgba(42,171,238,.28);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;
}
.contact-h{
  font-size:clamp(26px,3.2vw,38px);
  font-weight:900;
  letter-spacing:-.03em;
  color:var(--ink);
  margin-bottom:12px;
}
.contact-p{
  font-size:16px;color:var(--muted);
  margin-bottom:28px;
}

/* LOGIN */
.login-box{
  max-width:400px;margin:0 auto;
  background:linear-gradient(180deg,rgba(42,171,238,.04),rgba(255,255,255,.02));
  border:1px solid rgba(42,171,238,.2);
  border-radius:20px;
  padding:36px 32px 28px;
  box-shadow:0 30px 60px -30px rgba(42,171,238,.35);
  position:relative;
  overflow:hidden;
}
.login-box::before{
  content:"";position:absolute;
  top:0;left:15%;right:15%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(42,171,238,.6),transparent);
}
.login-head{text-align:center;margin-bottom:28px}
.login-logo{
  width:56px;height:56px;
  border-radius:15px;
  background:linear-gradient(135deg,#2AABEE,#229ED9);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:22px;font-weight:900;
  margin:0 auto 16px;
  box-shadow:0 14px 32px -12px rgba(42,171,238,.75);
  overflow:hidden;
}
.login-logo img{width:100%;height:100%;object-fit:cover}
.login-h{font-size:22px;font-weight:900;letter-spacing:-.02em;color:var(--ink);margin-bottom:6px}
.login-sub{font-size:13px;color:var(--muted);font-weight:500}

.alert{
  padding:11px 14px;
  border-radius:10px;
  font-size:13px;font-weight:600;
  line-height:1.5;margin-bottom:18px;
  border:1px solid;text-align:center;
}
.alert.info{background:rgba(42,171,238,.1);border-color:rgba(42,171,238,.3);color:var(--tg)}
.alert.err{background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.3);color:#fca5a5}

.f-label{
  display:block;
  font-size:12.5px;font-weight:700;
  color:var(--ink-2);
  margin:16px 0 7px;
  letter-spacing:.01em;
}
.f-input{
  width:100%;
  padding:13px 15px;
  background:rgba(0,0,0,.25);
  border:1px solid var(--line);
  border-radius:11px;
  color:var(--ink);
  font-size:14.5px;
  font-family:inherit;
  outline:none;
  transition:all .2s;
}
.f-input::placeholder{color:var(--muted-2)}
.f-input:hover{border-color:var(--muted-2);background:rgba(0,0,0,.35)}
.f-input:focus{
  border-color:var(--tg);
  background:rgba(0,0,0,.4);
  box-shadow:0 0 0 4px rgba(42,171,238,.15);
}
.f-input:disabled{opacity:.5;cursor:not-allowed}
.pw-wrap{position:relative}
.pw-wrap .f-input{padding-right:46px}
.pw-eye{
  position:absolute;right:8px;top:50%;
  transform:translateY(-50%);
  width:34px;height:34px;
  background:transparent;border:none;
  border-radius:8px;
  color:var(--muted);
  font-size:14px;cursor:pointer;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background .15s,color .15s;
}
.pw-eye:hover{background:var(--tg-soft);color:var(--ink)}
.f-btn{margin-top:24px}

.login-foot{
  text-align:center;margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line-2);
  font-size:12px;color:var(--muted-2);
  font-weight:600;
}

/* FOOTER */
.foot{
  padding:28px 24px;
  border-top:1px solid var(--line);
  background:rgba(14,31,51,.5);
}
.foot-wrap{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
}
.foot-brand{display:flex;align-items:center;gap:11px}
.foot-logo{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,#2AABEE,#229ED9);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;font-weight:900;
  overflow:hidden;flex-shrink:0;
}
.foot-logo img{width:100%;height:100%;object-fit:cover}
.foot-brand span{font-size:14px;font-weight:700;color:var(--ink)}
.foot-copy{font-size:12.5px;color:var(--muted-2)}

/* RESPONSIVE */
@media (max-width:1000px){
  .nav-links{display:none}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .feature-main{grid-column:span 2}
  .plans{grid-template-columns:1fr;max-width:460px;margin:0 auto;gap:22px}
  .plan-hot{transform:scale(1)}
  .plan-hot:hover{transform:translateY(-4px)}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:640px){
  .nav{padding:12px 16px}
  .nav-signin{display:none}
  .hero{padding:56px 18px 48px}
  .hero-h1{font-size:clamp(30px,8vw,42px);letter-spacing:-.04em}
  .hero-lede{font-size:15px;margin-bottom:28px}
  .hero-actions{flex-direction:column;margin-bottom:40px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr;gap:10px}
  .section{padding:56px 18px}
  .features-grid{grid-template-columns:1fr;gap:12px}
  .feature-main{grid-column:span 1;padding:22px 20px}
  .feature{padding:20px 18px}
  .plan{padding:26px 22px}
  .plan-hot{padding:32px 22px}
  .amt{font-size:44px}
  .faq summary{padding:18px 20px;font-size:14.5px;padding-right:48px}
  .faq summary::after{right:20px}
  .faq p{padding:0 20px 18px;font-size:13.5px}
  .login-box{padding:28px 22px}
  .login-logo{width:48px;height:48px;font-size:19px}
  .login-h{font-size:20px}
  .foot-wrap{flex-direction:column;gap:14px;text-align:center}
}