/* ══════════════════════════════════════
   layout.css — page structures and sections
   ══════════════════════════════════════ */

/* ══════ LANDING ══════ */
.landing{
  min-height:100vh;background:#fff;color:#1f2937;font-family:var(--font);
  display:flex;flex-direction:column;align-items:center;
  padding:3rem 1.5rem;transition:opacity .15s ease;
}
.landing.gone{opacity:0;pointer-events:none}

.landing-hero{text-align:center;margin-bottom:2.5rem}
.landing-logo-img{margin:0 auto 0.75rem}
.landing-logo-img img{
  width:240px;height:auto;object-fit:contain;
  animation:float 4s ease-in-out infinite;
  filter:drop-shadow(0 20px 40px rgba(0,0,0,0.15)) drop-shadow(0 8px 16px rgba(0,0,0,0.1));
}
.landing-name{font-size:1.6rem;font-weight:700;color:#111827;letter-spacing:-0.02em}
.landing-role{font-size:11px;text-transform:uppercase;letter-spacing:0.12em;color:#6b7280;margin-top:4px;font-weight:500}
.landing-bio{font-size:14px;color:#9ca3af;font-style:italic;margin-top:8px}

.landing-stats{display:flex;gap:1rem;margin-bottom:2.5rem;justify-content:center}

.landing-card{
  max-width:580px;width:100%;
  border:1px solid #e5e7eb;border-radius:12px;
  padding:1.75rem;background:#fff;
  box-shadow:0 1px 4px rgba(0,0,0,0.04);
}

.landing-footer{margin-top:2rem;display:flex;gap:1.5rem}
.landing-footer a{font-size:12px;color:#9ca3af;text-decoration:none;transition:color .2s}
.landing-footer a:hover{color:#3b82f6}

/* ══════ INSIDE ══════ */
.inside{display:none;min-height:100vh;background:#0b0b0f;color:#e4e4e7;font-family:var(--font);position:relative}
.inside.active{display:block}

.inside-header{text-align:center;padding:4rem 1.5rem 1.5rem;position:relative;z-index:1}
.inside-title{font-size:2rem;font-weight:700;color:#fafafa;margin-bottom:6px;letter-spacing:-0.02em}
.inside-sub{font-size:14px;color:#71717a;margin-bottom:6px}
.inside-bio{font-size:13px;color:#52525b;font-style:italic}

/* Card grid */
.card-grid{
  max-width:900px;margin:0 auto;padding:0 1.5rem 3rem;
  display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;
  position:relative;z-index:1;
}
.g-card{
  background:rgba(255,255,255,0.03);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,0.06);border-radius:14px;
  padding:1.75rem 1.5rem;cursor:pointer;transition:all .25s ease;
  text-decoration:none;color:inherit;
  display:flex;flex-direction:column;align-items:flex-start;
}
.g-card:hover{transform:translateY(-3px);background:rgba(255,255,255,0.06);border-color:rgba(59,130,246,0.3);box-shadow:0 8px 32px rgba(59,130,246,0.08)}
.g-card svg{width:28px;height:28px;color:#52525b;margin-bottom:12px;transition:color .25s}
.g-card:hover svg{color:#60a5fa}
.g-name{font-size:14px;font-weight:600;color:#e4e4e7;margin-bottom:6px}
.g-desc{font-size:11.5px;color:#52525b;line-height:1.5;flex:1}
.g-arrow{margin-top:12px;font-size:11px;color:#3f3f46;display:flex;align-items:center;gap:4px;transition:all .25s}
.g-card:hover .g-arrow{color:#60a5fa;transform:translateX(3px)}

.inside-footer{text-align:center;padding:2rem 1rem;font-size:12px;color:#27272a;font-style:italic;position:relative;z-index:1}

/* ══════ CATEGORY PAGES ══════ */
.cat-page{display:none;min-height:100vh;background:#0d0d10;color:#e4e4e7;font-family:var(--font);padding:2rem;position:relative;z-index:1}
.cat-page.active{display:block}
.cat-back{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:#71717a;cursor:pointer;
  margin-bottom:1.5rem;padding:6px 10px;border-radius:6px;
  transition:all .15s;border:none;background:none;font-family:var(--font);
}
.cat-back:hover{color:#e4e4e7;background:#1a1a1f}
.cat-back svg{width:14px;height:14px}
.cat-title{font-size:1.4rem;font-weight:700;color:#fafafa;margin-bottom:6px;letter-spacing:-0.01em}
.cat-sub{font-size:12px;color:#71717a;margin-bottom:2rem}
.cat-content{max-width:700px;margin:0 auto}

/* Category: list style */
.c-list{display:flex;flex-direction:column;gap:2px}

/* ══════ EXPERIENCE — vertical timeline ══════ */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:'';position:absolute;left:8px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,#3b82f6,rgba(59,130,246,0.1))}
.tl-item{position:relative;margin-bottom:1.5rem}
.tl-item:last-child{margin-bottom:0}
.tl-dot{position:absolute;left:-24px;top:6px;width:10px;height:10px;border-radius:50%;background:#27272a;border:2px solid #3f3f46;transition:all .2s}
.tl-dot.active{background:#3b82f6;border-color:#3b82f6;box-shadow:0 0 8px rgba(59,130,246,0.4)}
.tl-card{background:rgba(255,255,255,0.03);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.06);border-radius:10px;padding:1.25rem;transition:all .2s}
.tl-card:hover{border-color:rgba(255,255,255,0.12);background:rgba(255,255,255,0.05)}
.tl-date{font-family:var(--mono);font-size:10px;color:#52525b;margin-bottom:6px}
.tl-role{font-size:15px;font-weight:600;color:#fafafa;margin-bottom:2px}
.tl-sub{font-size:12px;color:#60a5fa;margin-bottom:8px}
.tl-desc{font-size:12px;color:#71717a;line-height:1.6}

/* ══════ ARCHITECTURE — layered visual ══════ */
.arch-visual{display:flex;flex-direction:column;align-items:stretch;gap:0}
.arch-layer{background:rgba(255,255,255,0.03);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.06);border-radius:10px;display:flex;overflow:hidden;transition:all .2s}
.arch-layer:hover{border-color:rgba(255,255,255,0.12);background:rgba(255,255,255,0.05);transform:scale(1.01)}
.al-bar{width:4px;background:var(--c);flex-shrink:0;box-shadow:0 0 8px var(--c)}
.al-content{padding:1.1rem 1.25rem;flex:1}
.al-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.al-num{font-family:var(--mono);font-size:11px;color:#52525b;width:20px}
.al-name{font-size:13px;font-weight:600;color:#fafafa;flex:1}
.al-year{font-family:var(--mono);font-size:10px;color:#52525b}
.al-tags{display:flex;flex-wrap:wrap;gap:4px}
.al-tags span{font-size:9px;padding:2px 7px;border-radius:3px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.06);color:#a1a1aa;font-family:var(--mono)}
.arch-connector{width:1px;height:12px;background:rgba(255,255,255,0.08);margin:0 auto}
.arch-footer{display:flex;justify-content:center;gap:1.5rem;margin-top:1.5rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,0.06)}
.af-item{display:flex;align-items:center;gap:6px;font-size:11px;color:#71717a}
.af-dot{width:8px;height:8px;border-radius:50%}

/* ══════ CERTIFICATIONS — badge cards ══════ */
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.cert-card{background:rgba(255,255,255,0.03);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:1.5rem;text-align:center;transition:all .25s}
.cert-card:hover{border-color:rgba(255,255,255,0.15);background:rgba(255,255,255,0.06);transform:translateY(-2px)}
.cert-icon{margin-bottom:10px}
.cert-icon svg{width:32px;height:32px}
.cert-name{font-family:var(--mono);font-size:18px;font-weight:700;color:#fafafa;margin-bottom:4px}
.cert-full{font-size:11px;color:#a1a1aa;margin-bottom:8px}
.cert-org{font-size:10px;color:#52525b;margin-bottom:4px}
.cert-year{font-family:var(--mono);font-size:10px;color:#3f3f46;border:1px solid rgba(255,255,255,0.06);display:inline-block;padding:2px 8px;border-radius:4px}

/* ══════ BLOG — editorial cards ══════ */
.blog-cards{display:flex;flex-direction:column;gap:12px}
.blog-card{display:block;background:rgba(255,255,255,0.03);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:1.5rem;text-decoration:none;color:inherit;transition:all .25s;position:relative;overflow:hidden}
.blog-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#3b82f6,#a855f7);opacity:0;transition:opacity .25s}
.blog-card:hover{border-color:rgba(255,255,255,0.12);background:rgba(255,255,255,0.05);transform:translateX(4px)}
.blog-card:hover::before{opacity:1}
.blog-date{font-family:var(--mono);font-size:10px;color:#52525b;margin-bottom:8px}
.blog-title{font-size:16px;font-weight:600;color:#fafafa;margin-bottom:8px;line-height:1.4}
.blog-preview{font-size:12px;color:#71717a;line-height:1.6;margin-bottom:12px}
.blog-read{font-size:11px;color:#3b82f6;font-weight:500;transition:transform .2s;display:inline-block}
.blog-card:hover .blog-read{transform:translateX(4px)}

/* ══════ CONNECT — bento grid ══════ */
.connect-bento{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.con-card{background:rgba(255,255,255,0.03);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:1.5rem;text-align:center;text-decoration:none;color:inherit;transition:all .25s;display:flex;flex-direction:column;align-items:center;gap:6px}
.con-card:hover{transform:translateY(-3px);background:rgba(255,255,255,0.06)}
.con-card svg{width:24px;height:24px;color:#52525b;transition:color .25s}
.con-card:hover svg{color:#fafafa}
.con-name{font-size:12px;font-weight:600;color:#e4e4e7}
.con-handle{font-size:10px;font-family:var(--mono);color:#52525b}
.con-email:hover{border-color:#10b981}.con-email:hover svg{color:#10b981}
.con-github:hover{border-color:#e4e4e7}
.con-linkedin:hover{border-color:#0a66c2}.con-linkedin:hover svg{color:#0a66c2}
.con-youtube:hover{border-color:#ff0000}.con-youtube:hover svg{color:#ff0000}
.con-x:hover{border-color:#e4e4e7}
.con-ig:hover{border-color:#e1306c}.con-ig:hover svg{color:#e1306c}

/* ══════ HOMELAB — platform dashboard ══════ */
.hl-hardware{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:2rem}
.hl-hw-card{background:rgba(255,255,255,0.03);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.06);border-radius:10px;padding:1.25rem;text-align:center;transition:all .2s}
.hl-hw-card:hover{border-color:rgba(255,255,255,0.12);background:rgba(255,255,255,0.05)}
.hl-hw-card svg{width:28px;height:28px;margin-bottom:8px}
.hl-hw-name{font-size:13px;font-weight:600;color:#fafafa;margin-bottom:4px}
.hl-hw-spec{font-size:10px;color:#71717a;font-family:var(--mono)}
.hl-section-title{font-size:11px;font-weight:600;color:#52525b;text-transform:uppercase;letter-spacing:0.06em;margin-bottom:10px}
.hl-services{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:1.5rem}
.hl-svc{display:flex;align-items:center;gap:5px;font-size:11px;color:#a1a1aa;padding:4px 10px;border:1px solid rgba(255,255,255,0.06);border-radius:6px;background:rgba(255,255,255,0.02)}
.hl-svc-dot{width:5px;height:5px;border-radius:50%;background:#10b981;animation:pulse 2s infinite}
.hl-note{font-size:11px;color:#3f3f46;font-style:italic;text-align:center;margin-top:1rem}

/* ══════ RESUME — clean document ══════ */
.resume-card{background:rgba(255,255,255,0.03);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:2rem;max-width:600px;margin:0 auto}
.res-header{text-align:center;margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid rgba(255,255,255,0.06)}
.res-name{font-size:20px;font-weight:700;color:#fafafa;margin-bottom:2px}
.res-role{font-size:13px;color:#60a5fa;margin-bottom:8px}
.res-contact{font-size:11px;color:#52525b;font-family:var(--mono)}
.res-section{margin-bottom:1.25rem}
.res-section-title{font-size:10px;font-weight:600;color:#52525b;text-transform:uppercase;letter-spacing:0.08em;margin-bottom:8px}
.res-item{margin-bottom:8px}
.res-item-head{display:flex;justify-content:space-between;font-size:13px;margin-bottom:3px}
.res-item-head strong{color:#fafafa}
.res-item-head span{font-size:11px;color:#52525b;font-family:var(--mono)}
.res-item-desc{font-size:12px;color:#a1a1aa;line-height:1.6}
.res-tags{display:flex;flex-wrap:wrap;gap:4px}
.res-tags span{font-size:10px;padding:3px 8px;border-radius:4px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.06);color:#a1a1aa;font-family:var(--mono)}

/* ══════ Responsive ══════ */
@media(max-width:700px){
  .landing-stats{flex-direction:column;align-items:center}
  .card-grid{grid-template-columns:1fr 1fr}
  .cat-page{padding:1.5rem 1rem}
  .chat-w{width:calc(100% - 1.5rem);right:.75rem}
}
@media(max-width:480px){
  .card-grid{grid-template-columns:1fr}
  .landing-card{margin:0 -.5rem}
}