@import url('fonts.css');
@property --a { syntax: '<angle>'; inherits: false; initial-value: 0deg; }
:root{
  color-scheme: dark;
  --bg:#0B1020; --bg-2:#080C18; --surface:#151A2D; --surface-2:#1B2139;
  --border:rgba(255,255,255,0.09); --border-strong:rgba(255,255,255,0.18);
  --text:#F4F7FF; --muted:#9AA6C8; --dim:#66718F;
  --accent:#00C2FF; --accent-2:#3B82F6; --accent-cyan:#00C2FF; --accent-purple:#A259FF;
  --servis:#A259FF; --good:#3DD9A0;
  --mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Code","Consolas",monospace;
  --sans:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --display:"Space Grotesk","Manrope",-apple-system,"Segoe UI",sans-serif;
  --maxw:1120px; --radius:18px; --pa:#00C2FF; --pa2:#3B82F6;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;}
h1,h2,h3,h4,.brand b{font-family:var(--display);}
img{max-width:100%;}

.bg-fx{position:fixed;inset:0;z-index:-3;pointer-events:none;background:radial-gradient(720px 420px at 12% -8%,rgba(0,194,255,0.14),transparent 70%),radial-gradient(680px 520px at 100% 6%,rgba(162,89,255,0.13),transparent 68%),radial-gradient(760px 620px at 85% 108%,rgba(59,130,246,0.10),transparent 70%),var(--bg);}
.bg-grid{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:0.55;background-image:linear-gradient(to right,rgba(255,255,255,0.03) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,0.03) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 92% 62% at 50% 0%,#000 42%,transparent 100%);mask-image:radial-gradient(ellipse 92% 62% at 50% 0%,#000 42%,transparent 100%);}
.bg-sweep{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:0.6;background:radial-gradient(420px 300px at var(--sx,30%) var(--sy,12%),rgba(0,194,255,0.10),transparent 70%);animation:sweep 16s ease-in-out infinite alternate;}
@keyframes sweep{0%{--sx:18%;--sy:8%;}50%{--sx:72%;--sy:26%;}100%{--sx:40%;--sy:4%;}}
.grain{position:fixed;inset:0;z-index:3;pointer-events:none;opacity:0.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}
#prog{position:fixed;top:0;left:0;height:3px;width:100%;transform:scaleX(0);transform-origin:0 50%;z-index:60;background:linear-gradient(90deg,var(--accent),var(--accent-cyan) 60%,var(--servis));box-shadow:0 0 12px rgba(94,134,255,0.6);}
#spark{position:fixed;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none;}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.wrap-narrow{width:100%;max-width:760px;margin:0 auto;padding:0 24px;}
a{color:inherit;text-decoration:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.eyebrow{font-family:var(--mono);font-size:14px;letter-spacing:0.16em;text-transform:uppercase;color:#AEB6D6;display:inline-flex;align-items:center;gap:12px;}
.eyebrow::before{content:"";width:32px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-purple));}
.mono{font-family:var(--mono);}

/* header / nav */
header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(150%) blur(14px);-webkit-backdrop-filter:saturate(150%) blur(14px);background:rgba(11,16,32,0.68);border-bottom:1px solid transparent;}
header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;opacity:0.75;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 50%,transparent) 30%,color-mix(in srgb,var(--accent-purple) 50%,transparent) 70%,transparent);}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px;}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-logo{height:56px;width:auto;display:block;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a.link{position:relative;font-size:15.5px;font-weight:500;color:var(--muted);transition:color 0.18s;}
.nav-links a.link::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:0 50%;transition:transform 0.28s cubic-bezier(0.22,1,0.36,1);}
.nav-links a.link:hover{color:var(--text);}
.nav-links a.link:hover::after{transform:scaleX(1);}
.nav-links a.link.active{color:var(--text);}
.nav-links a.link.active::after{transform:scaleX(1);}
.nav-links .btn-ghost{font-size:15px;padding:11px 20px;}
.nav-links .btn-ghost:hover{box-shadow:0 12px 28px -12px rgba(0,194,255,0.55);}
.nav-toggle{display:none;align-items:center;justify-content:center;width:46px;height:46px;flex:none;border-radius:12px;border:1px solid var(--border-strong);background:rgba(255,255,255,0.03);color:var(--text);cursor:pointer;transition:border-color 0.2s,background 0.2s;}
.nav-toggle:hover{border-color:var(--accent);}
.nt-bars{position:relative;width:20px;height:14px;}
.nt-bars i{position:absolute;left:0;width:100%;height:2px;border-radius:2px;background:currentColor;transition:transform 0.25s cubic-bezier(0.22,1,0.36,1),opacity 0.18s,top 0.25s cubic-bezier(0.22,1,0.36,1);}
.nt-bars i:nth-child(1){top:0;}
.nt-bars i:nth-child(2){top:6px;}
.nt-bars i:nth-child(3){top:12px;}
header.nav-open .nt-bars i:nth-child(1){top:6px;transform:rotate(45deg);}
header.nav-open .nt-bars i:nth-child(2){opacity:0;}
header.nav-open .nt-bars i:nth-child(3){top:6px;transform:rotate(-45deg);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--sans);font-size:14.5px;font-weight:600;padding:11px 20px;border-radius:12px;border:1px solid transparent;cursor:pointer;white-space:nowrap;position:relative;overflow:hidden;transition:transform 0.16s ease,box-shadow 0.2s ease,background 0.2s ease,border-color 0.2s;}
.btn-primary{color:#061024;background:linear-gradient(135deg,#00C2FF,#3B82F6 55%,#A259FF);box-shadow:0 8px 24px -8px rgba(0,194,255,0.55),inset 0 1px 0 rgba(255,255,255,0.35);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px rgba(94,134,255,0.85);}
.btn-ghost{color:var(--text);border-color:var(--border-strong);background:rgba(255,255,255,0.02);}
.btn-ghost:hover{border-color:var(--accent);color:#fff;transform:translateY(-2px);}

/* blog: listing */
.blog-hero{padding:92px 0 30px;}
.blog-hero h1{font-size:clamp(40px,7vw,68px);line-height:1.02;letter-spacing:-0.02em;margin:14px 0 0;}
.blog-lead{color:var(--muted);font-size:18px;max-width:60ch;margin:18px 0 0;line-height:1.62;}
.blog-list{padding:40px 0 24px;}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.post-card{display:flex;flex-direction:column;background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--border);border-radius:20px;overflow:hidden;position:relative;color:inherit;transition:transform .28s cubic-bezier(.22,1,.36,1),border-color .25s,box-shadow .3s;}
.post-card:hover{transform:translateY(-6px);border-color:color-mix(in srgb,var(--pa) 55%,var(--border-strong));box-shadow:0 26px 50px -26px rgba(0,0,0,.75);}
.pc-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:#0b1020;}
.pc-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.22,1,.36,1);}
.post-card:hover .pc-cover img{transform:scale(1.05);}
.pc-body{display:flex;flex-direction:column;gap:12px;padding:22px 24px 24px;flex:1;}
.pc-tag{align-self:flex-start;font-family:var(--mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--pa);border:1px solid color-mix(in srgb,var(--pa) 40%,transparent);padding:5px 11px;border-radius:999px;background:color-mix(in srgb,var(--pa) 8%,transparent);}
.pc-title{font-family:var(--display);font-size:21px;font-weight:700;line-height:1.22;letter-spacing:-0.01em;color:var(--text);}
.pc-excerpt{color:var(--muted);font-size:14.5px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.pc-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;}
.pc-meta{font-size:12.5px;color:var(--dim);}
.pc-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--pa);}
.pc-more svg{transition:transform .2s;}
.post-card:hover .pc-more svg{transform:translateX(3px);}
.post-card.feat{grid-column:1 / -1;flex-direction:row;}
.post-card.feat .pc-cover{flex:0 0 54%;aspect-ratio:auto;}
.post-card.feat .pc-body{padding:34px 40px;justify-content:center;gap:16px;}
.post-card.feat .pc-title{font-size:30px;}
.post-card.feat .pc-excerpt{font-size:16px;-webkit-line-clamp:4;}

/* blog: article */
.article{padding:84px 0 40px;}
.a-back{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:26px;transition:color .2s;}
.a-back:hover{color:var(--pa);}
.a-head{margin-bottom:24px;}
.a-tag{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:var(--pa);border:1px solid color-mix(in srgb,var(--pa) 40%,transparent);padding:5px 12px;border-radius:999px;background:color-mix(in srgb,var(--pa) 8%,transparent);}
.a-title{font-size:clamp(30px,5vw,46px);line-height:1.08;letter-spacing:-0.02em;margin:18px 0 14px;text-wrap:balance;}
.a-meta{font-size:13.5px;color:var(--dim);}
.a-cover{margin:8px 0 34px;border:1px solid var(--border);border-radius:20px;overflow:hidden;background:#0b1020;}
.a-cover img{width:100%;height:auto;display:block;}
.article-body{font-size:17.5px;line-height:1.78;color:#E4E9F7;}
.article-body p{margin:0 0 22px;}
.article-body h2{font-size:26px;line-height:1.2;letter-spacing:-0.01em;margin:46px 0 14px;position:relative;}
.article-body h2::before{content:"";position:absolute;top:-16px;left:0;width:40px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--pa),var(--pa2));}
.article-body h3{font-size:20px;margin:32px 0 10px;}
.article-body a{color:var(--pa);text-decoration:underline;text-underline-offset:3px;text-decoration-color:color-mix(in srgb,var(--pa) 40%,transparent);transition:text-decoration-color .2s;}
.article-body a:hover{text-decoration-color:var(--pa);}
.article-body b,.article-body strong{color:#fff;font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:0;list-style:none;}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px;}
.article-body ul li::before{content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,var(--pa),var(--pa2));transform:rotate(45deg);}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;padding-left:32px;}
.article-body ol li::before{content:counter(li);position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:7px;background:color-mix(in srgb,var(--pa) 16%,transparent);color:var(--pa);font-family:var(--mono);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;}
blockquote.pull{margin:30px 0;padding:6px 0 6px 24px;border-left:4px solid;border-image:linear-gradient(180deg,var(--pa),var(--pa2)) 1;font-family:var(--display);font-size:22px;line-height:1.4;color:#fff;font-weight:600;letter-spacing:-0.01em;}
.callout{margin:26px 0;padding:18px 22px;background:color-mix(in srgb,var(--pa) 7%,var(--surface));border:1px solid var(--border);border-left:3px solid var(--pa);border-radius:12px;font-size:16px;color:var(--muted);}
.callout strong{color:var(--pa);}
figure.fig{margin:30px 0;padding:26px;background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--border);border-radius:18px;}
figure.fig figcaption{margin-top:18px;font-family:var(--mono);font-size:12.5px;color:var(--dim);text-align:center;}
.fig .chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.fig .chip{font-family:var(--display);font-weight:700;font-size:15px;padding:12px 20px;border-radius:12px;color:#fff;background:color-mix(in srgb,var(--pa) 16%,transparent);border:1px solid color-mix(in srgb,var(--pa) 42%,transparent);}
.fig .flow{counter-reset:f;list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.fig .flow li{counter-increment:f;position:relative;padding:14px 16px 14px 58px;background:rgba(255,255,255,0.02);border:1px solid var(--border);border-radius:12px;font-size:15.5px;color:var(--text);margin:0;}
.fig .flow li::before{content:counter(f);position:absolute;left:14px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--pa),var(--pa2));color:#061024;font-family:var(--mono);font-weight:700;display:flex;align-items:center;justify-content:center;}
.a-foot{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--border);}
.a-share{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--dim);}
.a-share a{color:var(--muted);font-weight:600;transition:color .2s;}
.a-share a:hover{color:var(--pa);}
.related{margin-top:54px;padding-top:30px;border-top:1px solid var(--border);}
.related h3{font-size:14px;text-transform:uppercase;letter-spacing:.07em;color:var(--dim);margin:0 0 18px;font-family:var(--display);}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.rel-card{display:flex;flex-direction:column;gap:8px;padding:18px 20px;background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--border);border-radius:14px;transition:transform .22s,border-color .22s;}
.rel-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--pa) 50%,var(--border-strong));}
.rel-tag{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--pa);}
.rel-title{font-family:var(--display);font-weight:700;font-size:16px;line-height:1.25;color:var(--text);}
.rel-meta{font-size:12px;color:var(--dim);}

/* footer */
footer{position:relative;border-top:1px solid var(--border);padding:60px 0 30px;margin-top:64px;}
footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;opacity:0.7;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 45%,transparent),color-mix(in srgb,var(--accent-purple) 45%,transparent),transparent);}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:44px;}
.footer-brand{max-width:42ch;}
.footer-logo{height:50px;width:auto;display:block;margin-bottom:20px;}
.footer-brand p{color:var(--muted);font-size:14.5px;line-height:1.65;margin:0 0 20px;}
.footer-mail{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:14px;color:var(--text);padding:10px 15px;border:1px solid var(--border-strong);border-radius:11px;transition:border-color 0.2s,transform 0.16s;}
.footer-mail:hover{border-color:var(--accent);transform:translateY(-2px);}
.footer-mail svg{color:var(--accent);}
.footer-social{display:flex;align-items:center;gap:10px;margin-top:18px;}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:11px;border:1px solid var(--border-strong);color:var(--muted);transition:color 0.2s,border-color 0.2s,transform 0.16s,background 0.2s;}
.footer-social a:hover{color:var(--text);border-color:var(--accent);transform:translateY(-2px);background:rgba(0,194,255,0.06);}
.footer-col{display:flex;flex-direction:column;}
.footer-col h4{font-family:var(--display);font-size:12.5px;letter-spacing:0.08em;text-transform:uppercase;color:var(--dim);margin:4px 0 18px;}
.footer-col a{color:var(--muted);font-size:14.5px;margin-bottom:12px;width:fit-content;transition:color 0.18s,transform 0.18s;}
.footer-col a:hover{color:var(--text);transform:translateX(3px);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:46px;padding-top:24px;border-top:1px solid var(--border);}
.footer-bottom .cp{color:var(--dim);font-size:13px;font-family:var(--mono);}
.footer-top{color:var(--muted);font-size:13.5px;font-weight:600;font-family:var(--display);transition:color 0.18s;}
.footer-top:hover{color:var(--accent);}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.22,1,.36,1);}
.reveal.in{opacity:1;transform:none;}

@media (max-width:860px){
  .post-grid{grid-template-columns:1fr;}
  .post-card.feat{flex-direction:column;}
  .post-card.feat .pc-cover{flex:none;aspect-ratio:16/9;}
  .post-card.feat .pc-body{padding:24px;}
  .post-card.feat .pc-title{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px 24px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:720px){
  .nav-toggle{display:inline-flex;}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:12px 20px 20px;background:rgba(11,16,32,0.97);backdrop-filter:saturate(150%) blur(16px);-webkit-backdrop-filter:saturate(150%) blur(16px);border-bottom:1px solid var(--border-strong);box-shadow:0 24px 40px -20px rgba(0,0,0,0.7);transform:translateY(-10px);opacity:0;pointer-events:none;transition:opacity 0.24s ease,transform 0.24s cubic-bezier(0.22,1,0.36,1);}
  header.nav-open .nav-links{transform:none;opacity:1;pointer-events:auto;}
  .nav-links a.link{font-size:16.5px;color:var(--text);padding:13px 6px;border-bottom:1px solid var(--border);}
  .nav-links a.link::after{display:none;}
  .nav-links .btn-ghost{justify-content:center;margin-top:12px;padding:14px 20px;}
  .article{padding:64px 0 30px;}
  .blog-hero{padding:64px 0 24px;}
}
@media (max-width:600px){
  .related-grid{grid-template-columns:1fr;}
  .a-foot .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  #spark{display:none;}
  .post-card,.pc-cover img,.rel-card,.btn,.pc-more svg{transition:none !important;}
  .bg-sweep{animation:none !important;}
}