/*
Theme Name: Quantum Blue
Theme URI: https://example.com/quantum-blue
Author: Subspace Lab
Description: A sci-fi space-station theme with particle drift, quantum gradients, glassmorphic instrument panels and orbit-style typography.
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: quantum-blue
*/

:root{
  --qb-void:#020617;
  --qb-deep:#070b25;
  --qb-blue:#1d4ed8;
  --qb-peri:#818cf8;
  --qb-ice:#e0e7ff;
  --qb-glow:#22d3ee;
  --qb-line:rgba(129,140,248,.18);
  --qb-display:'Space Grotesk',sans-serif;
  --qb-body:'IBM Plex Sans',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--qb-ice);font-family:var(--qb-body);
  background:
    radial-gradient(1200px 800px at 80% -20%,rgba(29,78,216,.45),transparent 55%),
    radial-gradient(800px 600px at -10% 20%,rgba(129,140,248,.3),transparent 60%),
    linear-gradient(180deg,#020617 0%,#01030f 100%);
  min-height:100vh;overflow-x:hidden;line-height:1.65;-webkit-font-smoothing:antialiased;
  position:relative;
}
/* Particle stars */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(1px 1px at 12% 18%,#fff,transparent 60%),
    radial-gradient(1px 1px at 38% 72%,#a5b4fc,transparent 60%),
    radial-gradient(1px 1px at 62% 28%,#fff,transparent 60%),
    radial-gradient(1.5px 1.5px at 84% 65%,#22d3ee,transparent 60%),
    radial-gradient(1px 1px at 22% 92%,#e0e7ff,transparent 60%),
    radial-gradient(1px 1px at 92% 12%,#fff,transparent 60%),
    radial-gradient(1px 1px at 50% 50%,#a5b4fc,transparent 60%),
    radial-gradient(2px 2px at 75% 88%,#fff,transparent 60%);
  background-size:600px 600px,400px 400px,800px 800px,500px 500px,700px 700px,400px 400px,650px 650px,800px 800px;
  animation:drift 60s linear infinite;opacity:.85;
}
@keyframes drift{to{background-position:600px 600px,-400px 400px,800px -800px,500px -500px,-700px 700px,400px -400px,-650px -650px,800px 800px}}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    repeating-linear-gradient(0deg,transparent 0 38px,rgba(129,140,248,.04) 38px 39px),
    repeating-linear-gradient(90deg,transparent 0 38px,rgba(34,211,238,.025) 38px 39px);
  mix-blend-mode:screen;
}

img{max-width:100%;height:auto;display:block}
a{color:var(--qb-glow);text-decoration:none;transition:color .2s}
a:hover{color:var(--qb-peri)}
h1,h2,h3,h4,h5,h6{font-family:var(--qb-display);font-weight:600;letter-spacing:-.015em;line-height:1.1;margin:0 0 .6em;color:var(--qb-ice)}
h1{font-size:clamp(2.4rem,5vw,4.4rem);font-weight:700}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
p{margin:0 0 1.1em}

.container{max-width:1240px;margin:0 auto;padding:0 28px;position:relative;z-index:1}

/* Header */
.qb-strip{font-family:var(--qb-display);font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;text-align:center;padding:8px 0;color:var(--qb-glow);background:rgba(2,6,23,.7);border-bottom:1px solid var(--qb-line)}
.qb-strip code{font-family:'IBM Plex Mono',monospace;color:var(--qb-peri);background:rgba(129,140,248,.1);padding:2px 8px;border-radius:4px}

.qb-header{
  position:sticky;top:0;z-index:50;backdrop-filter:blur(22px) saturate(140%);
  background:linear-gradient(180deg,rgba(2,6,23,.85),rgba(2,6,23,.55));
  border-bottom:1px solid var(--qb-line);
}
.qb-header-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 0;gap:24px;flex-wrap:wrap}
.qb-logo{display:flex;align-items:center;gap:14px;font-family:var(--qb-display);font-weight:700;font-size:1.35rem;color:var(--qb-ice)}
.qb-orbit{
  width:42px;height:42px;position:relative;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#a5b4fc,#1d4ed8 60%,#0a0f3d 90%);
  box-shadow:0 0 30px rgba(34,211,238,.5),inset 0 0 12px rgba(255,255,255,.2);
}
.qb-orbit::before{
  content:"";position:absolute;inset:-8px;border:1px solid rgba(34,211,238,.5);border-radius:50%;
  border-top-color:transparent;animation:spin 5s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.qb-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.qb-nav a{
  position:relative;color:var(--qb-ice);padding:10px 14px;font-family:var(--qb-display);
  font-weight:500;font-size:.95rem;letter-spacing:.02em;
}
.qb-nav a::before{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:1px;
  background:linear-gradient(90deg,var(--qb-glow),var(--qb-peri));transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.qb-nav a:hover::before,.qb-nav .current::before{transform:scaleX(1)}
.qb-login{
  background:linear-gradient(135deg,var(--qb-blue),var(--qb-glow));color:#020617!important;
  padding:11px 22px!important;border-radius:999px;font-weight:700;letter-spacing:.04em;
  box-shadow:0 0 30px rgba(34,211,238,.4);
}
.qb-login:hover{color:#020617!important;transform:translateY(-2px)}
.qb-login::before{display:none}

/* Hero */
.qb-hero{position:relative;padding:90px 0 110px;overflow:hidden}
.qb-hero-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:60px;align-items:center;position:relative;z-index:2}
.qb-eyebrow{
  display:inline-flex;align-items:center;gap:10px;padding:6px 14px;
  border:1px solid var(--qb-line);border-radius:999px;
  font-family:var(--qb-display);font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;color:var(--qb-glow);
  background:rgba(34,211,238,.05);
}
.qb-eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--qb-glow);box-shadow:0 0 14px var(--qb-glow);animation:pulse 1.6s infinite}
@keyframes pulse{50%{transform:scale(1.6);opacity:.4}}
.qb-hero h1{margin:18px 0 14px;font-weight:700}
.qb-hero h1 span{
  background:linear-gradient(90deg,var(--qb-peri),var(--qb-glow),var(--qb-ice));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.qb-hero p.lead{font-size:1.18rem;max-width:540px;color:rgba(224,231,255,.8)}
.qb-cta-row{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.qb-btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:12px;
  font-family:var(--qb-display);font-weight:600;font-size:.95rem;letter-spacing:.02em;
  transition:transform .25s,box-shadow .25s;
}
.qb-btn-primary{
  background:linear-gradient(135deg,var(--qb-blue) 0%,var(--qb-glow) 100%);color:#020617;
  box-shadow:0 18px 40px -10px rgba(34,211,238,.55);
}
.qb-btn-primary:hover{color:#020617;transform:translateY(-3px);box-shadow:0 22px 50px -10px rgba(34,211,238,.7)}
.qb-btn-ghost{background:rgba(129,140,248,.06);color:var(--qb-ice);border:1px solid var(--qb-line);backdrop-filter:blur(8px)}
.qb-btn-ghost:hover{background:rgba(129,140,248,.12);color:var(--qb-glow)}

.qb-panel{
  position:relative;padding:30px;border-radius:24px;
  background:linear-gradient(160deg,rgba(29,78,216,.18),rgba(2,6,23,.6));
  border:1px solid var(--qb-line);backdrop-filter:blur(18px);
  box-shadow:0 30px 60px -20px rgba(2,6,23,.7),inset 0 1px 0 rgba(255,255,255,.05);
}
.qb-panel::before{
  content:"";position:absolute;inset:0;border-radius:24px;pointer-events:none;
  background:conic-gradient(from 220deg,transparent,var(--qb-glow),transparent 30%);opacity:.25;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1px;
}
.qb-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.qb-stat{padding:16px;border-radius:14px;background:rgba(2,6,23,.55);border:1px solid var(--qb-line)}
.qb-stat strong{display:block;font-family:var(--qb-display);font-size:1.9rem;color:var(--qb-glow);font-weight:700}
.qb-stat span{font-family:var(--qb-display);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(224,231,255,.6)}

/* Sections */
.qb-section-title{display:flex;align-items:end;justify-content:space-between;margin:60px 0 30px;gap:20px;flex-wrap:wrap}
.qb-section-title h2{margin:0}
.qb-section-title h2::before{content:"⟢ ";color:var(--qb-glow)}

.qb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:26px}
.qb-card{
  position:relative;border-radius:20px;overflow:hidden;
  background:linear-gradient(180deg,rgba(29,78,216,.12),rgba(2,6,23,.85));
  border:1px solid var(--qb-line);transition:transform .35s,border-color .3s,box-shadow .35s;
}
.qb-card:hover{transform:translateY(-6px);border-color:var(--qb-glow);box-shadow:0 24px 50px -20px rgba(34,211,238,.4)}
.qb-card-thumb{aspect-ratio:16/10;overflow:hidden;background:#0a0f3d;position:relative}
.qb-card-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(2,6,23,.85))}
.qb-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.qb-card:hover .qb-card-thumb img{transform:scale(1.08)}
.qb-card-body{padding:22px}
.qb-card-meta{display:flex;gap:12px;font-family:var(--qb-display);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--qb-glow);margin-bottom:10px}
.qb-card-meta time{color:rgba(224,231,255,.55)}
.qb-card-title{font-family:var(--qb-display);font-size:1.3rem;font-weight:700;margin:0 0 12px;line-height:1.22}
.qb-card-title a{color:var(--qb-ice)}
.qb-card-title a:hover{color:var(--qb-glow)}
.qb-card-excerpt{font-size:.95rem;color:rgba(224,231,255,.78);margin:0 0 14px}
.qb-card-more{font-family:var(--qb-display);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--qb-glow);font-weight:600}

/* layout */
.qb-layout{display:grid;grid-template-columns:1fr 320px;gap:50px;margin:50px 0 80px}
.qb-sidebar{position:sticky;top:100px;align-self:start;display:grid;gap:22px}
.qb-widget{
  padding:24px;border-radius:18px;border:1px solid var(--qb-line);
  background:linear-gradient(180deg,rgba(29,78,216,.12),rgba(2,6,23,.6));backdrop-filter:blur(14px);
}
.qb-widget h3{font-family:var(--qb-display);font-size:.95rem;text-transform:uppercase;letter-spacing:.22em;color:var(--qb-glow);margin-bottom:14px}
.qb-widget ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.qb-widget li{border-bottom:1px solid var(--qb-line);padding-bottom:8px}
.qb-widget li:last-child{border:none}

/* article */
.qb-article{
  padding:42px;border-radius:22px;border:1px solid var(--qb-line);
  background:linear-gradient(180deg,rgba(29,78,216,.1),rgba(2,6,23,.85));backdrop-filter:blur(14px);
}
.qb-article h1{margin-top:0}
.qb-article-meta{display:flex;gap:18px;font-family:var(--qb-display);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--qb-glow);margin-bottom:24px}
.qb-featured{border-radius:16px;overflow:hidden;margin-bottom:30px;border:1px solid var(--qb-line)}
.qb-content{font-size:1.05rem;color:rgba(224,231,255,.92)}
.qb-content h2,.qb-content h3{color:var(--qb-glow);margin-top:1.6em}
.qb-content blockquote{border-left:3px solid var(--qb-glow);padding:12px 22px;margin:24px 0;background:rgba(34,211,238,.06);border-radius:0 14px 14px 0;color:rgba(224,231,255,.9)}

/* breadcrumb */
.qb-breadcrumb{font-family:var(--qb-display);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(224,231,255,.55);padding:24px 0}
.qb-breadcrumb a{color:var(--qb-glow)}
.qb-breadcrumb span+span::before{content:" / ";opacity:.45;margin:0 6px}

/* pagination */
.navigation.pagination{display:flex;justify-content:center;gap:6px;margin:40px 0}
.page-numbers{padding:10px 16px;border-radius:10px;border:1px solid var(--qb-line);color:var(--qb-ice);background:rgba(129,140,248,.06);font-family:var(--qb-display);font-weight:600}
.page-numbers.current{background:var(--qb-glow);color:#020617;border-color:var(--qb-glow)}

/* comments */
.qb-comments{margin-top:40px;padding:30px;border:1px solid var(--qb-line);border-radius:18px;background:rgba(2,6,23,.55)}
.qb-comments h3{color:var(--qb-glow)}
.qb-comments .comment-list{list-style:none;padding:0}
.qb-comments .comment{padding:14px 0;border-bottom:1px solid var(--qb-line)}
.qb-comments input[type=text],.qb-comments input[type=email],.qb-comments input[type=url],.qb-comments textarea{
  width:100%;padding:12px 14px;background:rgba(129,140,248,.06);border:1px solid var(--qb-line);border-radius:10px;color:var(--qb-ice);font-family:inherit;margin-bottom:12px;
}
.qb-comments .submit{background:linear-gradient(135deg,var(--qb-blue),var(--qb-glow));color:#020617;border:none;padding:12px 22px;border-radius:10px;font-weight:700;cursor:pointer;font-family:var(--qb-display)}

/* footer */
.qb-footer{margin-top:80px;background:linear-gradient(180deg,#01030f,#000);border-top:1px solid var(--qb-line);padding:60px 0 30px;position:relative;z-index:1}
.qb-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.qb-foot-grid h4{font-family:var(--qb-display);font-size:.92rem;text-transform:uppercase;letter-spacing:.22em;color:var(--qb-glow)}
.qb-foot-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.qb-foot-grid a{color:rgba(224,231,255,.7)}
.qb-foot-grid a:hover{color:var(--qb-glow)}
.qb-copy{margin-top:36px;padding-top:20px;border-top:1px solid var(--qb-line);text-align:center;font-family:var(--qb-display);font-size:.85rem;letter-spacing:.16em;color:rgba(224,231,255,.45)}

/* 404 */
.qb-404{text-align:center;padding:120px 0}
.qb-404 h1{font-size:clamp(5rem,12vw,9rem);background:linear-gradient(90deg,var(--qb-glow),var(--qb-peri));-webkit-background-clip:text;color:transparent}

/* responsive */
@media (max-width:980px){
  .qb-hero-grid,.qb-layout,.qb-foot-grid{grid-template-columns:1fr}
  .qb-sidebar{position:static}
  .qb-article{padding:26px 22px}
}