/* ─────────────────────────────────────────
   BLOG PAGE — PAGE-SPECIFIC STYLES
───────────────────────────────────────── */

/* ─────────────────────────────────────────
   PAGE HERO (compact)
───────────────────────────────────────── */
.page-hero{position:relative;padding:130px 0 48px;text-align:center;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:
  radial-gradient(ellipse 80% 50% at 50% 20%,rgba(129,140,248,.08) 0%,transparent 60%),
  radial-gradient(ellipse 60% 40% at 30% 50%,rgba(255,255,255,.06) 0%,transparent 50%),
  radial-gradient(ellipse 50% 35% at 70% 40%,rgba(229,229,229,.05) 0%,transparent 55%);
  pointer-events:none}
.page-hero::after{display:none}
.blog-top{position:relative;background:
  linear-gradient(180deg,rgba(255,255,255,.10) 0%,rgba(255,255,255,.07) 60%,rgba(255,255,255,.06) 100%),
  radial-gradient(ellipse 80% 50% at 50% 20%,rgba(255,255,255,.09) 0%,transparent 60%),
  radial-gradient(ellipse 60% 40% at 30% 30%,rgba(255,255,255,.06) 0%,transparent 50%),
  radial-gradient(ellipse 50% 35% at 70% 25%,rgba(229,229,229,.05) 0%,transparent 55%)}
.blog-top::after{display:none}
.page-hero__tag{margin-bottom:14px}
.page-hero__title{font-family:'Bricolage Grotesque',sans-serif;font-weight:300;font-size:clamp(36px,5vw,64px);line-height:1.08;letter-spacing:-.04em;margin-bottom:10px}
.page-hero__sub{font-size:clamp(15px,1.4vw,17px);color:var(--muted);line-height:1.6;max-width:560px;margin:0 auto;letter-spacing:-.01em}

/* ─────────────────────────────────────────
   FEATURED POST HERO CARD
───────────────────────────────────────── */
.featured{padding:0 0 32px;position:relative}
.featured__card{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-border);background:linear-gradient(145deg,rgba(255,255,255,.06) 0%,rgba(10,10,10,.6) 40%,rgba(229,229,229,.04) 100%);backdrop-filter:blur(12px);transition:border-color .3s,box-shadow .3s;isolation:isolate}
.featured__card:hover{border-color:rgba(255,255,255,.35);box-shadow:0 8px 24px rgba(10,10,10,.4),0 0 20px rgba(255,255,255,.06)}
.featured__card::after{content:'';position:absolute;top:0;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),rgba(229,229,229,.2),transparent);transition:all .3s}
.featured__card:hover::after{left:5%;right:5%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),rgba(229,229,229,.4),transparent)}

.featured__content{padding:28px 32px;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}
.featured__badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:100px;border:1px solid rgba(255,255,255,.3);background:var(--primary-dim);font-size:10px;font-weight:600;color:#818CF8;text-transform:uppercase;letter-spacing:.08em;font-family:'Space Mono',monospace;margin-bottom:10px;width:fit-content}
.featured__title{font-family:'Bricolage Grotesque',sans-serif;font-weight:400;font-size:clamp(20px,2.2vw,28px);line-height:1.15;letter-spacing:-.03em;margin-bottom:8px;transition:color .2s}
.featured__card:hover .featured__title{color:#818CF8}
.featured__excerpt{font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:16px;max-width:420px}
.featured__meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.featured__avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid var(--glass-border)}
.featured__author{font-size:13px;font-weight:500}
.featured__date{font-size:12px;color:var(--dim);font-family:'Space Mono',monospace}
.featured__link{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:#818CF8;transition:gap .3s}
.featured__link:hover{gap:12px}
.featured__link svg{width:14px;height:14px;transition:transform .3s}
.featured__link:hover svg{transform:translateX(4px)}

/* Featured visual — animated gradient orb */
.featured__visual{position:relative;overflow:hidden;min-height:0}
.featured__visual img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.16,1,.3,1)}
.featured__card:hover .featured__visual img{transform:none}
.featured__orb{position:absolute;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.4) 0%,rgba(255,255,255,.2) 40%,rgba(229,229,229,.1) 70%,transparent 100%);filter:blur(60px);animation:orb-float 8s ease-in-out infinite}
.featured__orb--2{width:200px;height:200px;background:radial-gradient(circle,rgba(229,229,229,.35) 0%,rgba(255,255,255,.15) 50%,transparent 100%);filter:blur(40px);animation:orb-float-2 6s ease-in-out infinite 1s}
.featured__orb--3{width:140px;height:140px;background:radial-gradient(circle,rgba(232,227,255,.2) 0%,rgba(229,229,229,.1) 50%,transparent 100%);filter:blur(30px);animation:orb-float-3 10s ease-in-out infinite 2s}
@keyframes orb-float{
  0%,100%{transform:translate(0,0) scale(1)}
  25%{transform:translate(30px,-20px) scale(1.05)}
  50%{transform:translate(-10px,25px) scale(.95)}
  75%{transform:translate(-25px,-15px) scale(1.02)}
}
@keyframes orb-float-2{
  0%,100%{transform:translate(20px,10px) scale(1)}
  33%{transform:translate(-30px,-25px) scale(1.1)}
  66%{transform:translate(15px,30px) scale(.9)}
}
@keyframes orb-float-3{
  0%,100%{transform:translate(-15px,20px) scale(1)}
  50%{transform:translate(25px,-30px) scale(1.15)}
}

/* mesh grid lines in featured visual */
.featured__mesh{position:absolute;inset:0;opacity:.08;background-image:
  linear-gradient(rgba(255,255,255,.3) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.3) 1px,transparent 1px);
background-size:40px 40px;pointer-events:none}

/* ─────────────────────────────────────────
   CATEGORY FILTERS
───────────────────────────────────────── */
.filters{padding:16px 0 24px;position:relative;z-index:2}
.filters__row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.filter-btn{padding:8px 20px;border-radius:100px;border:1px solid var(--glass-border);background:var(--glass-bg);font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;transition:all .25s cubic-bezier(.16,1,.3,1);font-family:'Inter',sans-serif;white-space:nowrap}
.filter-btn:hover{color:var(--text);border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.08)}
.filter-btn--active{background:linear-gradient(135deg,var(--primary),rgba(255,255,255,.7));color:#fff;border-color:transparent;box-shadow:0 0 20px rgba(255,255,255,.3)}
.filter-btn--active:hover{background:linear-gradient(135deg,var(--primary),rgba(255,255,255,.7));color:#fff;border-color:transparent}

/* ─────────────────────────────────────────
   POST GRID
───────────────────────────────────────── */
.posts{padding:32px 0 56px;position:relative}
.posts::before{content:'';position:absolute;inset:0;background-image:var(--noise-url);background-size:200px 200px;pointer-events:none;z-index:0;opacity:.06}
.posts__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;z-index:1}

/* Post card */
.post-card{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--glass-border);background:linear-gradient(145deg,rgba(10,10,10,.6) 0%,rgba(10,10,10,.8) 100%);transition:transform .15s ease-out,border-color .15s,box-shadow .15s;isolation:isolate;position:relative;display:flex;flex-direction:column;cursor:pointer}
.post-card:hover{transform:translateY(-4px) scale(1.01);border-color:rgba(255,255,255,.35);box-shadow:0 24px 80px rgba(10,10,10,.6),0 0 48px rgba(255,255,255,.1)}
.post-card::after{content:'';position:absolute;top:0;left:15%;right:15%;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),rgba(229,229,229,.3),transparent);opacity:0;transition:opacity .35s}
.post-card:hover::after{opacity:1}

/* Post card hidden state for filter */
.post-card.hidden{display:none}
.post-card.fade-out{opacity:0;transform:scale(.95);pointer-events:none}
.post-card.fade-in{animation:card-fade-in .5s cubic-bezier(.16,1,.3,1) forwards}
@keyframes card-fade-in{
  from{opacity:0;transform:translateY(20px) scale(.95)}
  to{opacity:1;transform:none}
}

/* Blog card featured image */
.blog-card__img{position:relative;overflow:hidden;border-radius:var(--r-xl) var(--r-xl) 0 0}
.blog-card__img img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;transition:transform .15s ease-out}
.post-card:hover .blog-card__img img{transform:scale(1.04)}
.blog-card__img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60px;background:linear-gradient(to top,rgba(10,10,10,.85),transparent);pointer-events:none}

/* Category badge inline (inside body when image card) */
.post-card__cat--inline{position:relative;top:auto;left:auto;margin-bottom:10px;display:inline-flex}

/* Card header gradient */
.post-card__header{height:140px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.post-card__header::before{content:'';position:absolute;inset:0;opacity:.6}
.post-card__header::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60px;background:linear-gradient(to top,rgba(10,10,10,.95),transparent);pointer-events:none}

/* Category-specific header gradients */
.post-card--engineering .post-card__header::before{background:
  radial-gradient(ellipse 80% 60% at 30% 40%,rgba(255,255,255,.3) 0%,transparent 60%),
  radial-gradient(ellipse 50% 50% at 70% 60%,rgba(255,255,255,.15) 0%,transparent 50%),
  linear-gradient(145deg,rgba(17,17,17,.6) 0%,rgba(10,10,10,.4) 100%)}
.post-card--product .post-card__header::before{background:
  radial-gradient(ellipse 80% 60% at 40% 40%,rgba(255,255,255,.3) 0%,transparent 60%),
  radial-gradient(ellipse 50% 50% at 60% 60%,rgba(229,229,229,.15) 0%,transparent 50%),
  linear-gradient(145deg,rgba(20,20,20,.6) 0%,rgba(15,15,15,.4) 100%)}
.post-card--tutorials .post-card__header::before{background:
  radial-gradient(ellipse 80% 60% at 50% 40%,rgba(52,211,153,.25) 0%,transparent 60%),
  radial-gradient(ellipse 50% 50% at 30% 60%,rgba(110,231,183,.12) 0%,transparent 50%),
  linear-gradient(145deg,rgba(17,17,17,.6) 0%,rgba(12,12,12,.4) 100%)}
.post-card--company .post-card__header::before{background:
  radial-gradient(ellipse 80% 60% at 50% 40%,rgba(251,146,60,.2) 0%,transparent 60%),
  radial-gradient(ellipse 50% 50% at 30% 60%,rgba(229,229,229,.12) 0%,transparent 50%),
  linear-gradient(145deg,rgba(20,20,20,.6) 0%,rgba(15,15,15,.4) 100%)}

/* Abstract header decorations */
.post-card__deco{position:absolute;inset:0;pointer-events:none;z-index:1;overflow:hidden}
.post-card__deco-line{position:absolute;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);width:60%}
.post-card__deco-line:nth-child(1){top:30%;left:20%;transform:rotate(-5deg)}
.post-card__deco-line:nth-child(2){top:55%;left:10%;transform:rotate(3deg);width:50%}
.post-card__deco-line:nth-child(3){top:75%;left:30%;transform:rotate(-2deg);width:40%}
.post-card__deco-circle{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.06)}
.post-card__deco-circle:nth-child(4){width:80px;height:80px;top:-20px;right:-10px}
.post-card__deco-circle:nth-child(5){width:40px;height:40px;bottom:10px;left:20px}

/* Category badge on card */
.post-card__cat{position:absolute;top:16px;left:16px;z-index:2;padding:4px 10px;border-radius:100px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-family:'Space Mono',monospace;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.post-card--engineering .post-card__cat{background:rgba(255,255,255,.25);color:rgba(229,229,229,.9);border:1px solid rgba(255,255,255,.3)}
.post-card--product .post-card__cat{background:rgba(255,255,255,.25);color:rgba(196,181,253,.9);border:1px solid rgba(255,255,255,.3)}
.post-card--tutorials .post-card__cat{background:rgba(52,211,153,.2);color:rgba(110,231,183,.9);border:1px solid rgba(52,211,153,.25)}
.post-card--company .post-card__cat{background:rgba(251,146,60,.2);color:rgba(229,229,229,.9);border:1px solid rgba(251,146,60,.25)}

/* Card body */
.post-card__body{padding:18px 20px;flex:1;display:flex;flex-direction:column}
.post-card__title{font-family:'Bricolage Grotesque',sans-serif;font-weight:400;font-size:17px;line-height:1.3;letter-spacing:-.02em;margin-bottom:8px;transition:color .2s}
.post-card:hover .post-card__title{color:#818CF8}
.post-card__excerpt{font-size:14px;color:var(--muted);line-height:1.6;margin-bottom:auto;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Card footer */
.post-card__footer{display:flex;align-items:center;gap:10px;padding:14px 20px 18px;border-top:0}
.post-card__author-pic{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--glass-border);flex-shrink:0}
.post-card__author-name{font-size:13px;font-weight:500;color:var(--text)}
.post-card__author-date{font-size:11px;color:var(--dim);font-family:'Space Mono',monospace}
.post-card__read-time{margin-left:auto;font-size:11px;color:var(--dim);font-family:'Space Mono',monospace;white-space:nowrap}

/* Mouse glow */
.post-card__glow{position:absolute;inset:0;pointer-events:none;z-index:0;border-radius:inherit}

/* ─────────────────────────────────────────
   NEWSLETTER CTA
───────────────────────────────────────── */
.newsletter{padding:40px 0;position:relative}
.newsletter__panel{position:relative;border-radius:var(--r-lg);padding:32px;text-align:center;overflow:hidden;isolation:isolate;background:linear-gradient(145deg,rgba(255,255,255,.06) 0%,rgba(10,10,10,.6) 40%,rgba(229,229,229,.04) 100%);border:1px solid rgba(255,255,255,.2)}
.newsletter__panel::before{content:'';position:absolute;top:0;left:15%;right:15%;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),rgba(229,229,229,.3),transparent);z-index:1}
.newsletter__panel::after{content:'';position:absolute;inset:0;border-radius:inherit;background-image:var(--noise-url);background-size:128px 128px;pointer-events:none;opacity:.08;z-index:0}
.newsletter__icon{width:40px;height:40px;border-radius:10px;background:var(--primary-dim);border:1px solid rgba(255,255,255,.25);display:grid;place-items:center;margin:0 auto 10px;position:relative;z-index:2}
.newsletter__icon svg{width:20px;height:20px;color:#818CF8}
.newsletter__title{font-family:'Bricolage Grotesque',sans-serif;font-weight:400;font-size:clamp(20px,2.2vw,28px);letter-spacing:-.03em;margin-bottom:6px;position:relative;z-index:2}
.newsletter__sub{font-size:13px;color:var(--muted);line-height:1.6;max-width:400px;margin:0 auto 16px;position:relative;z-index:2}
.newsletter__form{display:flex;gap:10px;max-width:420px;margin:0 auto;position:relative;z-index:2}
.newsletter__input{flex:1;padding:11px 16px;border-radius:10px;border:1px solid var(--glass-border);background:rgba(255,255,255,.04);color:var(--text);font-size:13px;font-family:'Inter',sans-serif;outline:none;transition:border-color .2s,box-shadow .2s;backdrop-filter:blur(12px)}
.newsletter__input::placeholder{color:var(--dim)}
.newsletter__input:focus{border-color:rgba(255,255,255,.5);box-shadow:0 0 20px rgba(255,255,255,.12)}
.newsletter__btn{padding:11px 24px;border-radius:10px;background:linear-gradient(135deg,var(--primary),rgba(255,255,255,.7));color:#fff;font-size:13px;font-weight:500;border:none;cursor:pointer;transition:all .2s;white-space:nowrap;box-shadow:0 0 20px rgba(255,255,255,.25)}
.newsletter__btn:hover{box-shadow:0 0 32px rgba(255,255,255,.45);transform:translateY(-1px)}
.newsletter__note{margin-top:8px;font-size:11px;color:var(--dim);font-family:'Space Mono',monospace;position:relative;z-index:2}

/* Decorative rings */
.newsletter__ring{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.1);pointer-events:none;animation:ring-pulse 4s ease-in-out infinite}
.newsletter__ring--1{width:300px;height:300px;top:-100px;right:-80px;animation-delay:0s}
.newsletter__ring--2{width:200px;height:200px;bottom:-60px;left:-50px;animation-delay:-2s}
.newsletter__ring--3{width:120px;height:120px;top:40%;left:20%;animation-delay:-1s}
@keyframes ring-pulse{0%,100%{opacity:.3;transform:scale(1)}50%{opacity:.08;transform:scale(1.15)}}

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media(max-width:1024px){
  .posts__grid{grid-template-columns:repeat(2,1fr)}
  .featured__card{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  /* Featured */
  .featured__card{grid-template-columns:1fr}
  .featured__visual{min-height:220px}
  .featured__content{padding:28px 20px}

  /* Posts */
  .posts__grid{grid-template-columns:1fr 1fr}

  /* Filters — horizontal scroll on narrow screens */
  .filters__row{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px}
  .filters__row::-webkit-scrollbar{display:none}
  .filter-btn{flex-shrink:0}

  /* Newsletter */
  .newsletter__panel{padding:24px 20px}
  .newsletter__form{flex-direction:column}
  .newsletter__btn{width:100%}

  /* Page hero */
  .page-hero{padding:110px 0 36px}
  .page-hero__title{font-size:clamp(28px,7vw,48px)}
}
@media(max-width:480px){
  .page-hero{padding:96px 0 32px}
  .page-hero__title{font-size:clamp(24px,7vw,36px)}
  .posts__grid{grid-template-columns:1fr}
  .featured__content{padding:24px 16px}
  .featured__visual{min-height:180px}
  .featured__excerpt{font-size:12px;margin-bottom:12px}
  .post-card__body{padding:16px}
  .post-card__footer{padding:12px 16px 16px}
  .newsletter__panel{padding:24px 16px}
  .newsletter__title{font-size:clamp(18px,5vw,24px)}
}