:root{
  --ink:#0b1220;
  --slate:#64748b;
  --cyan:#17b5f3;
  --paper:#f8fafc;
  --line:#e5e7eb;
  --c-dev:#17b5f3;
  --c-project:#8b5cf6;
  --c-innovation:#f59e0b;
  --c-article:#10b981;
  --c-research:#f43f5e;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{
  font-family:'DM Sans', sans-serif;
  color:var(--ink);
  background:#fff;
}
a{color:inherit;}
.mono{ font-family:'DM Mono', monospace; }
.wrap{ max-width:1200px; margin:0 auto; padding:0 48px; }

/* Navbar */
.navbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:22px 48px;
  max-width:1200px;
  margin:0 auto;
  border-bottom:1px solid var(--line);
}
.logo{
  display:flex;
  align-items:center;
  gap:2px;
  font-size:19px;
  font-weight:800;
  color:var(--ink);
  text-decoration:none;
}
.logo .domain{
  font-family:'DM Mono',monospace;
  font-size:12px;
  font-weight:500;
  color:#fff;
  background:var(--ink);
  padding:3px 7px;
  border-radius:5px;
  margin-left:6px;
  letter-spacing:.02em;
}
.nav-links{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.nav-links a{ text-decoration:none;color:#334155;font-size:14.5px;font-weight:500; }
.nav-links a.active{color:var(--ink);font-weight:700;position:relative;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-25px;height:2px;background:var(--ink);
}
.btn-primary{
  padding:10px 22px;border-radius:999px;border:none;
  background:var(--ink);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  font-family:'DM Sans',sans-serif;text-decoration:none;display:inline-block;
}
.btn-secondary{
  padding:10px 22px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:14px;font-weight:700;cursor:pointer;
  font-family:'DM Sans',sans-serif;text-decoration:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
}
.btn-secondary .dot{ width:7px;height:7px;border-radius:50%;background:#10b981;flex-shrink:0; }

/* Mobile nav: hamburger + dropdown panel (hidden on desktop) */
.nav-toggle{
  display:none; flex-direction:column; justify-content:center; align-items:center;
  gap:4px; width:38px; height:38px; border:none; background:transparent; cursor:pointer;
  border-radius:8px; flex-shrink:0;
}
.nav-toggle span{ width:20px; height:2px; background:var(--ink); border-radius:2px; transition:transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

.nav-hire-mobile{ display:none; }
.nav-oss-mobile{ display:none; }
#nav-backdrop{
  display:none; position:fixed; inset:0; background:rgba(11,18,32,.35);
  z-index:10020; opacity:0; transition:opacity .2s ease;
}
#nav-backdrop.open{ display:block; opacity:1; }
body.nav-open-lock{ overflow:hidden; }

/* Header / hero */
.blog-header{ padding:64px 48px 40px; max-width:1200px; margin:0 auto; }
.eyebrow{
  font-size:12.5px; letter-spacing:.14em; color:var(--slate);
  text-transform:uppercase; margin-bottom:14px;
}
h1.page-title{
  font-size:clamp(28px, 6vw, 46px); font-weight:800; letter-spacing:-1.2px;
  max-width:680px; line-height:1.15; margin-bottom:14px;
}
.page-sub{ font-size:16px; color:var(--slate); max-width:500px; line-height:1.6; }

/* Featured post */
.featured{
  max-width:1200px; margin:24px auto 0; padding:0 48px 64px;
  display:grid; grid-template-columns:1.1fr .9fr; gap:56px;
  align-items:center; border-bottom:1px solid var(--line);
}
.featured-art{
  aspect-ratio:4/3; border-radius:20px; position:relative; overflow:hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.14) 1px, transparent 1px) 0 0/22px 22px,
    linear-gradient(135deg,#0b1220 0%, #123a52 45%, var(--cyan) 100%);
}
.featured-art::after{
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(115deg, transparent 0 38px, rgba(255,255,255,.06) 38px 39px);
}
.featured-tag{
  display:inline-block; font-family:'DM Mono',monospace; font-size:11.5px;
  letter-spacing:.08em; text-transform:uppercase; color:#fff;
  background:rgba(255,255,255,.16); border:1px solid rgba(255,255,255,.35);
  padding:6px 12px; border-radius:999px; position:absolute; top:20px; left:20px;
}
.featured-title{
  font-size:clamp(22px, 5.2vw, 32px); font-weight:800; letter-spacing:-.6px; line-height:1.2; margin-bottom:16px;
}
.featured-excerpt{ color:var(--slate); font-size:15.5px; line-height:1.7; margin-bottom:22px; }
.meta-row{
  display:flex; align-items:center; gap:12px; font-family:'DM Mono',monospace;
  font-size:12px; color:var(--slate); flex-wrap:wrap;
}
.avatar{
  width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),#0b1220); display:inline-block;
}
.author-name{color:var(--ink);font-weight:600;font-family:'DM Sans',sans-serif;}
.commit-hash{
  background:var(--paper); border:1px solid var(--line); padding:3px 8px;
  border-radius:5px; color:#475569;
}

/* Category filter */
.filters{
  max-width:1200px; margin:36px auto 0; padding:0 48px; display:flex; gap:10px; flex-wrap:wrap;
}
.filter-pill{
  font-family:'DM Mono',monospace; font-size:12.5px; letter-spacing:.03em;
  padding:9px 18px; border-radius:999px; border:1px solid var(--line);
  color:var(--slate); cursor:pointer; text-transform:uppercase; text-decoration:none;
}
.filter-pill.active{ background:var(--ink); color:#fff; border-color:var(--ink); }

/* Grid */
.grid{
  max-width:1200px; margin:0 auto; padding:40px 48px 60px;
  display:grid; grid-template-columns:repeat(3,1fr); gap:40px 32px;
}
.section-heading{
  font-size:20px; font-weight:800; letter-spacing:-.4px; grid-column:1/-1;
}
.card-art{
  aspect-ratio:16/10; border-radius:14px; margin-bottom:18px; position:relative;
  overflow:hidden; text-decoration:none;
}
.card-art.dev{ background:linear-gradient(135deg,#d6f2fd,#8fdcf9); }
.card-art.project{ background:linear-gradient(135deg,#ece5fd,#c3b0f7); }
.card-art.innovation{ background:linear-gradient(135deg,#fef3d9,#fbd589); }
.card-art.article{ background:linear-gradient(135deg,#d9f7ea,#8fe4bb); }
.card-art.research{ background:linear-gradient(135deg,#fde1e6,#f8a8b6); }
.card-art::after{
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(100deg, transparent 0 26px, rgba(11,18,32,.05) 26px 27px);
}
.tag{
  display:inline-flex; align-items:center; gap:6px; font-family:'DM Mono',monospace;
  font-size:11px; letter-spacing:.06em; text-transform:uppercase; font-weight:500; margin-bottom:12px;
}
.tag-dot{width:6px;height:6px;border-radius:50%;}
.tag.dev{color:var(--c-dev);} .tag.dev .tag-dot{background:var(--c-dev);}
.tag.project{color:var(--c-project);} .tag.project .tag-dot{background:var(--c-project);}
.tag.innovation{color:#b3730a;} .tag.innovation .tag-dot{background:var(--c-innovation);}
.tag.article{color:#0c9463;} .tag.article .tag-dot{background:var(--c-article);}
.tag.research{color:var(--c-research);} .tag.research .tag-dot{background:var(--c-research);}

.card-title{ font-size:19px; font-weight:700; letter-spacing:-.3px; line-height:1.32; margin-bottom:10px; }
.card-title a:hover{ text-decoration:underline; }
.card-excerpt{ font-size:14px; color:var(--slate); line-height:1.6; margin-bottom:18px; }
.card-meta{
  display:flex; justify-content:space-between; align-items:center; font-family:'DM Mono',monospace;
  font-size:11.5px; color:var(--slate); border-top:1px dashed var(--line); padding-top:14px;
}

/* Pagination */
.pagination{
  max-width:1200px; margin:0 auto; padding:0 48px 80px;
  display:flex; align-items:center; justify-content:center; gap:24px;
}
.page-link{ text-decoration:none; font-weight:600; font-size:14px; color:var(--ink); }
.page-current{ font-size:12.5px; color:var(--slate); }

/* Post detail */
.post-wrap{ padding-top:56px; padding-bottom:20px; max-width:760px; }
.post-title{
  font-size:clamp(26px, 6.4vw, 38px); font-weight:800; letter-spacing:-1px; line-height:1.2; margin:14px 0 20px;
}
.post-cover{
  aspect-ratio:16/9; border-radius:18px; background-size:cover; background-position:center;
  margin-bottom:32px;
}
.post-cover-fallback{
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.14) 1px, transparent 1px) 0 0/22px 22px,
    linear-gradient(135deg,#0b1220 0%, #123a52 45%, var(--cyan) 100%);
}
.share-bar{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  padding:18px 0; border-top:1px dashed var(--line); border-bottom:1px dashed var(--line);
  margin-bottom:36px;
}
.share-label{ font-size:11px; color:var(--slate); letter-spacing:.1em; margin-right:6px; }
.share-btn{
  font-family:'DM Sans',sans-serif; font-size:13px; font-weight:600; text-decoration:none;
  padding:8px 16px; border-radius:999px; border:1px solid var(--line); color:var(--ink);
  cursor:pointer; background:#fff;
}
.share-btn.fb:hover{ background:#1877f2; color:#fff; border-color:#1877f2; }
.share-btn.tw:hover{ background:#0b1220; color:#fff; border-color:#0b1220; }
.share-btn.wa:hover{ background:#25d366; color:#fff; border-color:#25d366; }
.share-btn.li:hover{ background:#0a66c2; color:#fff; border-color:#0a66c2; }
.share-btn.copy:hover{ background:var(--cyan); color:#fff; border-color:var(--cyan); }

.post-body{ font-size:17px; line-height:1.85; color:#1e293b; }
.post-body p{ margin-bottom:22px; }
.post-body h2{ font-size:26px; font-weight:800; letter-spacing:-.4px; margin:36px 0 16px; }
.post-body h3{ font-size:21px; font-weight:700; margin:28px 0 12px; }
.post-body img{ max-width:100%; border-radius:12px; margin:24px 0; }
.post-body pre{
  background:var(--ink); color:#e2e8f0; padding:20px; border-radius:12px; overflow-x:auto;
  font-family:'DM Mono',monospace; font-size:13.5px; margin:24px 0;
}
.post-body code{ font-family:'DM Mono',monospace; background:var(--paper); padding:2px 6px; border-radius:4px; }
.post-body blockquote{
  border-left:3px solid var(--cyan); padding-left:20px; color:var(--slate); font-style:italic; margin:24px 0;
}
.post-body ul, .post-body ol{ margin:0 0 22px 22px; }

/* Newsletter */
.newsletter{ background:var(--ink); padding:64px 48px; }
.newsletter-inner{
  max-width:1200px; margin:0 auto; display:flex; align-items:center;
  justify-content:space-between; gap:40px; flex-wrap:wrap;
}
.newsletter h2{ color:#fff; font-size:clamp(22px, 5vw, 28px); font-weight:800; letter-spacing:-.6px; max-width:400px; line-height:1.25; }
.newsletter p{ color:#94a3b8; font-size:14.5px; margin-top:10px; max-width:380px; }
.sub-form{ display:flex; gap:10px; flex-shrink:0; }
.sub-form input{
  font-family:'DM Sans',sans-serif; padding:14px 18px; border-radius:999px;
  border:1px solid #334155; background:#0f172a; color:#fff; font-size:14px; width:260px; outline:none;
}
.sub-form input::placeholder{color:#64748b;}
.sub-form button{
  padding:14px 26px; border-radius:999px; border:none; background:var(--cyan); color:#fff;
  font-weight:700; font-size:14px; cursor:pointer; white-space:nowrap; font-family:'DM Sans',sans-serif;
}

/* Footer */
footer{
  padding:36px 48px; max-width:1200px; margin:0 auto; display:flex;
  justify-content:space-between; align-items:center; font-size:13px; color:var(--slate);
  flex-wrap:wrap; gap:12px;
}

@media (max-width:900px){
  .navbar, .blog-header, .featured, .filters, .grid, .newsletter-inner, footer, .post-wrap, .pagination{
    padding-left:24px;padding-right:24px;
  }
  .featured{grid-template-columns:1fr;gap:28px;}
  .grid{grid-template-columns:1fr 1fr;gap:32px 20px;}
  .newsletter-inner{flex-direction:column;align-items:flex-start;}

  /* Nav becomes a hamburger-triggered dropdown panel instead of just vanishing */
  .nav-toggle{ display:flex; }
  .nav-hire-desktop{ display:none; }
  .nav-hire-mobile{ display:block; margin-top:6px; width:100%; text-align:center; }
  .nav-oss-mobile{ display:flex; width:100%; margin-top:14px; }

  /* The vertical side-tab reads sideways and competes with the WhatsApp
     bubble for thumb space on a phone — it moves into the nav menu above
     instead (#oss-btn-mobile) once the hamburger takes over. */
  #oss-tab{ display:none; }

  .nav-links{
    display:flex; flex-direction:column; align-items:stretch; gap:2px;
    position:fixed; top:0; right:0; height:100%; width:min(78vw, 320px);
    background:#fff; z-index:10021; padding:84px 24px 24px;
    transform:translateX(100%); transition:transform .25s ease;
    box-shadow:-12px 0 32px rgba(11,18,32,.12);
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links a{
    font-size:16px; padding:13px 6px; border-bottom:1px solid var(--line);
  }
  .nav-links a.active::after{ content:none; }
  .nav-links a.active{ color:var(--cyan); }
}

@media (max-width:600px){
  .grid{grid-template-columns:1fr;}
  .sub-form{flex-direction:column;width:100%;}
  .sub-form input{width:100%;}
}

/* Tighter spacing + smaller floating widgets on phones */
@media (max-width:480px){
  .wrap, .navbar, .blog-header, .featured, .filters, .grid, .newsletter-inner, footer, .post-wrap, .pagination{
    padding-left:16px;padding-right:16px;
  }
  .navbar{ padding-top:16px; padding-bottom:16px; }
  .blog-header{ padding-top:40px; padding-bottom:28px; }
  .newsletter{ padding:44px 16px; }
  .page-sub{ font-size:14.5px; }
  .filter-pill{ padding:7px 14px; font-size:11.5px; }
  .card-title{ font-size:17px; }

  /* Floating widgets take up real screen real-estate on a ~375px viewport —
     shrink them and drop non-essential labels so they read as small
     corner affordances instead of oversized on-screen chrome. */
  #wa-bubble{ width:46px; height:46px; left:14px; bottom:14px; }
  #wa-bubble svg{ width:22px; height:22px; }

  #mw-builders{ right:14px; bottom:14px; gap:8px; }
  #mw-builders .mw-stack{ padding:5px 10px 5px 5px; }
  #mw-builders .mw-avatars img{ width:26px; height:26px; margin-left:-10px; }
  #mw-builders .mw-label{ font-size:0; }
  #mw-builders .mw-label::after{ content:"MW"; font-size:11px; }
  #mw-builders .mw-panel{ width:min(80vw, 280px); }
}