/* =========================================
   YUDZX PORTFOLIO — style.css
   ========================================= */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:         #080808;
  --bg2:        #0f0f0f;
  --card:       #141414;
  --accent:     #c8a84b;
  --accent-dim: #a8893c;
  --accent-br:  #e8c860;
  --glow:       rgba(200,168,75,0.12);
  --glow2:      rgba(200,168,75,0.25);
  --t1:         #eeeeee;
  --t2:         #888888;
  --t3:         #444444;
  --border:     #1e1e1e;
  --border2:    #2a2a2a;
  --ba:         rgba(200,168,75,0.25);
  --ba2:        rgba(200,168,75,0.5);
  --nav-h:      60px;
  --bottom-h:   64px;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--t1);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 0;
}

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 99px; }

/* ── SCROLL PROGRESS ── */
#prog {
  position: fixed; top: 0; left: 0; height: 3px; z-index: 9999;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent-br));
  width: 0; box-shadow: 0 0 10px var(--accent); transition: width 0.1s linear;
}

/* ── LOADER ── */
#loader {
  position: fixed; inset: 0; z-index: 9998; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 18px;
  transition: opacity 0.5s, visibility 0.5s;
}
#loader.hide { opacity: 0; visibility: hidden; }
.ld-logo { font-family: 'JetBrains Mono', monospace; font-size: 1.8rem; font-weight: 700; color: var(--accent); letter-spacing: 6px; }
.ld-txt  { font-family: 'JetBrains Mono', monospace; font-size: 0.65rem; color: var(--t3); letter-spacing: 4px; }
.ld-bar  { width: 140px; height: 2px; background: var(--border2); border-radius: 99px; overflow: hidden; }
.ld-fill { height: 100%; background: var(--accent); animation: ldAnim 1.4s ease forwards; }
@keyframes ldAnim { from { width: 0; } to { width: 100%; } }

/* ── DESKTOP NAVBAR ── */
#desk-nav {
  position: fixed; top: 0; width: 100%; z-index: 500;
  height: var(--nav-h); background: rgba(8,8,8,0.9);
  backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 60px;
}
.nav-logo { font-family: 'JetBrains Mono', monospace; font-size: 1.1rem; font-weight: 700; color: var(--accent); letter-spacing: 3px; text-decoration: none; }
.nav-logo em { color: var(--t3); font-style: normal; font-weight: 300; }
.nav-links { display: flex; gap: 4px; list-style: none; }
.nav-links a { color: var(--t2); text-decoration: none; font-size: 0.75rem; font-family: 'JetBrains Mono', monospace; letter-spacing: 1.5px; text-transform: uppercase; padding: 6px 14px; border-radius: 6px; transition: all 0.25s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); background: var(--glow); }

/* ── MOBILE TOP BAR ── */
#mob-top {
  display: none; position: fixed; top: 0; width: 100%; z-index: 500;
  height: var(--nav-h); background: rgba(8,8,8,0.95);
  backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
  align-items: center; justify-content: space-between; padding: 0 20px;
}
.mob-logo { font-family: 'JetBrains Mono', monospace; font-size: 1.05rem; font-weight: 700; color: var(--accent); letter-spacing: 3px; text-decoration: none; }
.mob-status { display: flex; align-items: center; gap: 6px; font-family: 'JetBrains Mono', monospace; font-size: 0.62rem; color: var(--t3); letter-spacing: 1px; }
.mob-dot { width: 6px; height: 6px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 6px #4ade80; animation: gPulse 2s infinite; }
@keyframes gPulse { 0%,100%{box-shadow:0 0 4px #4ade80;}50%{box-shadow:0 0 12px #4ade80;} }

/* ── MOBILE BOTTOM NAV ── */
#mob-nav {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 500;
  height: var(--bottom-h); background: rgba(10,10,10,0.97);
  backdrop-filter: blur(24px); border-top: 1px solid var(--border);
  flex-direction: row; align-items: center; justify-content: space-around;
  padding: 0 8px; padding-bottom: env(safe-area-inset-bottom, 0);
}
.mob-nav-item { display: flex; flex-direction: column; align-items: center; gap: 4px; text-decoration: none; padding: 6px 12px; border-radius: 10px; transition: all 0.25s; min-width: 56px; position: relative; }
.mob-nav-item i    { font-size: 1.1rem; color: var(--t3); transition: all 0.25s; }
.mob-nav-item span { font-family: 'JetBrains Mono', monospace; font-size: 0.55rem; color: var(--t3); letter-spacing: 1px; text-transform: uppercase; transition: color 0.25s; }
.mob-nav-item.active i, .mob-nav-item:hover i    { color: var(--accent); }
.mob-nav-item.active span, .mob-nav-item:hover span { color: var(--accent); }
.mob-nav-item.active { background: var(--glow); }
.mob-nav-pip { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 6px var(--accent); position: absolute; bottom: 6px; opacity: 0; transition: opacity 0.25s; }
.mob-nav-item.active .mob-nav-pip { opacity: 1; }

/* ── LAYOUT ── */
.wrap { position: relative; z-index: 1; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 60px; }
section { padding: 130px 0 80px; }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--accent); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px; }
.eyebrow::before { content:''; width:24px; height:1px; background:var(--accent); display:block; }
h2.stitle { font-size: 2.6rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 52px; }
h2.stitle .a { color: var(--accent); }

/* ── REVEAL ── */
.rv { opacity:0; transform:translateY(28px); transition: opacity .65s ease, transform .65s ease; }
.rv.vis { opacity:1; transform:translateY(0); }

/* ══ PROFILE ══ */
#profile { min-height:100vh; display:flex; align-items:center; }
.hero-grid { display:grid; grid-template-columns:1fr auto; gap:80px; align-items:center; }
.hero-badge { display:inline-flex; align-items:center; gap:8px; background:rgba(200,168,75,0.08); border:1px solid var(--ba); border-radius:99px; padding:6px 16px; font-family:'JetBrains Mono',monospace; font-size:0.68rem; color:var(--accent); letter-spacing:2px; text-transform:uppercase; margin-bottom:22px; }
.hbdot { width:6px; height:6px; background:var(--accent); border-radius:50%; box-shadow:0 0 8px var(--accent); animation:goPulse 2s infinite; }
@keyframes goPulse { 0%,100%{box-shadow:0 0 4px var(--accent);}50%{box-shadow:0 0 14px var(--accent);} }
.hero-name { font-size:4.8rem; font-weight:800; line-height:1; letter-spacing:-3px; margin-bottom:16px; }
.hero-name .g { color:var(--accent); }
.hero-role { font-family:'JetBrains Mono',monospace; font-size:.95rem; color:var(--t2); margin-bottom:26px; min-height:26px; }
.cur { display:inline-block; width:2px; height:.9em; background:var(--accent); margin-left:2px; vertical-align:middle; animation:blink .9s step-end infinite; }
@keyframes blink{50%{opacity:0;}}
.hero-bio { color:var(--t2); font-size:.98rem; line-height:1.85; max-width:500px; margin-bottom:36px; border-left:2px solid var(--ba); padding-left:18px; }
.cta-row { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:44px; }
.btn-g  { padding:12px 26px; background:var(--accent); color:#080808; font-weight:700; font-size:.8rem; letter-spacing:1.5px; text-transform:uppercase; border:none; border-radius:8px; text-decoration:none; display:inline-flex; align-items:center; gap:8px; transition:all .3s; }
.btn-g:hover { background:var(--accent-br); box-shadow:0 0 28px rgba(200,168,75,.45); transform:translateY(-2px); }
.btn-gh { padding:12px 26px; background:transparent; color:var(--t2); font-weight:500; font-size:.8rem; letter-spacing:1.5px; text-transform:uppercase; border:1px solid var(--border2); border-radius:8px; text-decoration:none; display:inline-flex; align-items:center; gap:8px; transition:all .3s; }
.btn-gh:hover { color:var(--accent); border-color:var(--ba); background:var(--glow); }
.stats-row { display:flex; border:1px solid var(--border2); border-radius:12px; overflow:hidden; width:fit-content; }
.sbox { padding:16px 28px; text-align:center; border-right:1px solid var(--border2); }
.sbox:last-child{border-right:none;}
.snum { font-family:'JetBrains Mono',monospace; font-size:1.8rem; font-weight:700; color:var(--accent); display:block; line-height:1; }
.slbl { font-size:.65rem; color:var(--t3); letter-spacing:1.5px; text-transform:uppercase; margin-top:4px; display:block; }
.av-zone { position:relative; }
.av-frame { width:280px; height:280px; position:relative; }
.av-glow  { position:absolute; inset:-24px; background:radial-gradient(circle,rgba(200,168,75,.12) 0%,transparent 70%); border-radius:50%; }
.av-ring  { position:absolute; inset:0; border-radius:50%; border:1px solid var(--ba); animation:spin 12s linear infinite; }
.av-ring::before { content:''; position:absolute; top:-4px; left:50%; transform:translateX(-50%); width:8px; height:8px; background:var(--accent); border-radius:50%; box-shadow:0 0 10px var(--accent); }
.av-ring2 { position:absolute; inset:18px; border-radius:50%; border:1px dashed rgba(200,168,75,.15); animation:spin 22s linear infinite reverse; }
@keyframes spin{to{transform:rotate(360deg);}}
.av-img { position:absolute; inset:30px; border-radius:50%; background:var(--card); overflow:hidden; display:flex; align-items:center; justify-content:center; border:2px solid var(--border); }
.av-img i { font-size:5rem; color:var(--accent); opacity:.8; }
.chip { position:absolute; background:var(--card); border:1px solid var(--ba); border-radius:10px; padding:8px 13px; font-size:.72rem; font-family:'JetBrains Mono',monospace; color:var(--t1); display:flex; align-items:center; gap:7px; white-space:nowrap; box-shadow:0 8px 24px rgba(0,0,0,.4); }
.chip i{color:var(--accent); font-size:.8rem;}
.chip .gd{width:6px;height:6px;background:#4ade80;border-radius:50%;box-shadow:0 0 6px #4ade80;}
.chip-1{top:-8px;right:-28px;animation:fl 4s ease-in-out infinite;}
.chip-2{bottom:42px;right:-38px;animation:fl 4s ease-in-out infinite 1.5s;}
.chip-3{bottom:-8px;left:-18px;animation:fl 4s ease-in-out infinite .8s;}
@keyframes fl{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}

/* ══ SKILLS ══ */
#skills { background:var(--bg2); padding:130px 0; }
.sk-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.sk-card { background:var(--card); border:1px solid var(--border); border-radius:14px; padding:20px 22px; transition:all .3s; position:relative; overflow:hidden; }
.sk-card::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:linear-gradient(90deg,transparent,var(--accent),transparent); opacity:0; transition:opacity .3s; }
.sk-card:hover { border-color:var(--ba); transform:translateY(-3px); }
.sk-card:hover::before { opacity:1; }
.sk-top  { display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
.sk-name { display:flex; align-items:center; gap:10px; font-weight:600; font-size:.88rem; }
.sk-ico  { width:32px; height:32px; background:var(--glow); border:1px solid var(--ba); border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:.85rem; color:var(--accent); flex-shrink:0; }
.sk-pct  { font-family:'JetBrains Mono',monospace; font-size:.95rem; font-weight:700; color:var(--accent); }
.sk-bar  { height:5px; background:var(--border2); border-radius:99px; overflow:hidden; margin-bottom:6px; }
.sk-fill { height:100%; background:linear-gradient(90deg,var(--accent-dim),var(--accent-br)); border-radius:99px; width:0; transition:width 1.6s cubic-bezier(.25,1,.5,1); box-shadow:0 0 10px rgba(200,168,75,.5); }
.sk-lv   { font-size:.65rem; color:var(--t3); font-family:'JetBrains Mono',monospace; letter-spacing:1px; }

/* ══ PROJECTS ══ */
#projects { padding:130px 0; }
.pj-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.pj-card { background:var(--card); border:1px solid var(--border); border-radius:16px; overflow:hidden; display:flex; flex-direction:column; transition:all .4s cubic-bezier(.25,1,.5,1); }
.pj-card:hover { border-color:var(--ba); transform:translateY(-7px); box-shadow:0 24px 56px rgba(0,0,0,.6); }
.pj-thumb { position:relative; height:200px; overflow:hidden; }
.pj-thumb img { width:100%; height:100%; object-fit:cover; transition:transform .6s; }
.pj-card:hover .pj-thumb img { transform:scale(1.1); }
.pj-grad { position:absolute; inset:0; background:linear-gradient(to bottom,rgba(0,0,0,.05) 0%,rgba(8,8,8,.85) 100%); }
.pj-lbl  { position:absolute; top:12px; left:12px; background:rgba(200,168,75,.12); backdrop-filter:blur(8px); border:1px solid var(--ba); color:var(--accent); font-family:'JetBrains Mono',monospace; font-size:.64rem; letter-spacing:1.5px; padding:3px 9px; border-radius:6px; text-transform:uppercase; }
.pj-num  { position:absolute; bottom:12px; right:14px; font-family:'JetBrains Mono',monospace; font-size:2.2rem; font-weight:800; color:rgba(200,168,75,.15); line-height:1; letter-spacing:-2px; }
.pj-body { padding:20px; flex:1; display:flex; flex-direction:column; }
.pj-title{ font-size:1rem; font-weight:700; margin-bottom:8px; }
.pj-desc { color:var(--t2); font-size:.85rem; line-height:1.75; flex:1; margin-bottom:16px; }
.pj-tags { display:flex; flex-wrap:wrap; gap:5px; margin-bottom:18px; }
.pj-tag  { background:rgba(255,255,255,.04); border:1px solid var(--border2); color:var(--t3); font-family:'JetBrains Mono',monospace; font-size:.64rem; padding:3px 8px; border-radius:4px; transition:all .2s; }
.pj-card:hover .pj-tag { border-color:rgba(200,168,75,.2); color:var(--t2); }
.btn-vp { display:inline-flex; align-items:center; gap:7px; padding:9px 18px; background:var(--glow); color:var(--accent); border:1px solid var(--ba); border-radius:8px; font-size:.76rem; font-weight:600; letter-spacing:1px; text-transform:uppercase; text-decoration:none; transition:all .3s; align-self:flex-start; }
.btn-vp:hover { background:var(--accent); color:#080808; box-shadow:0 0 18px rgba(200,168,75,.4); }
.btn-vp .arr { transition:transform .3s; }
.btn-vp:hover .arr { transform:translateX(4px); }

/* ══ CERTIFICATES ══ */
#certificates { background:var(--bg2); padding:130px 0; }
.ct-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.ct-card { background:var(--card); border:1px solid var(--border); border-radius:16px; overflow:hidden; display:flex; transition:all .4s cubic-bezier(.25,1,.5,1); }
.ct-card:hover { border-color:var(--ba); transform:translateY(-5px); box-shadow:0 18px 48px rgba(0,0,0,.5); }
.ct-img  { width:150px; flex-shrink:0; position:relative; overflow:hidden; }
.ct-img img { width:100%; height:100%; object-fit:cover; transition:transform .5s; }
.ct-card:hover .ct-img img { transform:scale(1.06); }
.ct-ov   { position:absolute; inset:0; background:linear-gradient(to right,transparent 50%,var(--card)); }
.ct-body { padding:20px 18px; display:flex; flex-direction:column; justify-content:center; gap:6px; flex:1; }
.ct-badge{ display:inline-flex; align-items:center; gap:5px; font-family:'JetBrains Mono',monospace; font-size:.64rem; letter-spacing:2px; color:var(--accent); text-transform:uppercase; }
.ct-title{ font-size:.95rem; font-weight:700; line-height:1.35; }
.ct-sub  { font-size:.8rem; color:var(--t2); line-height:1.55; }
.ct-meta { display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin-top:6px; }
.ct-issuer{ display:flex; align-items:center; gap:4px; font-size:.68rem; color:var(--t3); font-family:'JetBrains Mono',monospace; }
.ct-yr   { background:var(--glow); border:1px solid var(--ba); color:var(--accent); font-family:'JetBrains Mono',monospace; font-size:.64rem; padding:2px 7px; border-radius:4px; font-weight:600; }
.ct-ok   { display:inline-flex; align-items:center; gap:4px; color:#4ade80; font-size:.66rem; font-family:'JetBrains Mono',monospace; }

/* ══ SOCIAL ══ */
#social { padding:130px 0; }
.soc-intro{ color:var(--t2); font-size:.96rem; line-height:1.8; max-width:520px; margin-bottom:44px; margin-top:-28px; }
.soc-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.soc-card { display:flex; align-items:center; gap:16px; background:var(--card); border:1px solid var(--border); border-radius:14px; padding:20px 22px; text-decoration:none; transition:all .35s; position:relative; overflow:hidden; }
.soc-card::before { content:''; position:absolute; inset:0; background:var(--glow); opacity:0; transition:opacity .35s; }
.soc-card:hover { border-color:var(--ba); transform:translateY(-4px); }
.soc-card:hover::before { opacity:1; }
.soc-ico  { width:48px; height:48px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.25rem; flex-shrink:0; position:relative; z-index:1; transition:transform .3s; }
.soc-card:hover .soc-ico { transform:scale(1.1) rotate(-5deg); }
.soc-info { position:relative; z-index:1; flex:1; }
.soc-plat { font-size:.64rem; letter-spacing:2px; text-transform:uppercase; color:var(--t3); font-family:'JetBrains Mono',monospace; margin-bottom:3px; }
.soc-hndl { font-size:.94rem; font-weight:600; }
.soc-arr  { margin-left:auto; color:var(--t3); font-size:.85rem; position:relative; z-index:1; transition:transform .3s, color .3s; }
.soc-card:hover .soc-arr { transform:translateX(5px); color:var(--accent); }
.sg .soc-ico { background:rgba(255,255,255,.05); color:#e0e0e0; }
.st .soc-ico { background:rgba(38,165,228,.1); color:#26a5e4; }
.sw .soc-ico { background:rgba(37,211,102,.1); color:#25d366; }
.sk .soc-ico { background:rgba(255,32,80,.1);  color:#ff2050; }

/* ══ FOOTER ══ */
footer { border-top:1px solid var(--border); padding:32px 60px; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.f-logo { font-family:'JetBrains Mono',monospace; font-size:.95rem; color:var(--accent); font-weight:700; letter-spacing:3px; }
.f-copy { font-size:.73rem; color:var(--t3); font-family:'JetBrains Mono',monospace; letter-spacing:1px; }
.f-copy span { color:var(--accent); }

/* ══ BACK TO TOP ══ */
#btt { position:fixed; bottom:88px; right:20px; z-index:400; width:42px; height:42px; background:var(--card); border:1px solid var(--ba); color:var(--accent); border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:.85rem; cursor:pointer; opacity:0; transform:translateY(16px); transition:all .3s; text-decoration:none; }
#btt.show { opacity:1; transform:translateY(0); }
#btt:hover { background:var(--accent); color:#080808; }

/* ══ RESPONSIVE ══ */
@media (max-width: 768px) {
  #desk-nav { display:none; }
  #mob-top  { display:flex; }
  #mob-nav  { display:flex; }
  body { padding-bottom: var(--bottom-h); }
  section { padding:90px 0 60px; }
  .container { padding:0 18px; }
  footer { padding:24px 18px; }
  h2.stitle { font-size:1.8rem; margin-bottom:36px; }
  .hero-grid { grid-template-columns:1fr; gap:0; text-align:center; }
  .hero-left { order:2; }
  .hero-right { order:1; display:flex; justify-content:center; margin-bottom:32px; }
  .hero-name { font-size:2.8rem; letter-spacing:-2px; }
  .hero-badge { margin:0 auto 18px; }
  .hero-bio { max-width:100%; text-align:left; font-size:.9rem; }
  .cta-row { justify-content:center; }
  .stats-row { margin:0 auto; }
  .sbox { padding:12px 18px; }
  .snum { font-size:1.5rem; }
  .av-frame { width:200px; height:200px; }
  .av-img i { font-size:3.6rem; }
  .chip { font-size:.65rem; padding:6px 10px; }
  .chip-1 { top:-6px; right:-10px; }
  .chip-2 { bottom:30px; right:-12px; }
  .chip-3 { bottom:-6px; left:-6px; }
  .sk-grid { grid-template-columns:1fr; gap:10px; }
  .sk-name { font-size:.82rem; }
  .pj-grid { grid-template-columns:1fr; gap:16px; }
  .pj-thumb { height:180px; }
  .ct-grid { grid-template-columns:1fr; gap:14px; }
  .ct-card { flex-direction:column; }
  .ct-img  { width:100%; height:140px; }
  .ct-ov   { background:linear-gradient(to bottom,transparent 50%,var(--card)); }
  .soc-grid { grid-template-columns:1fr; gap:12px; }
  #btt { bottom:76px; right:16px; width:38px; height:38px; }
}
@media (max-width: 420px) {
  .hero-name { font-size:2.2rem; }
  .hero-bio { font-size:.85rem; }
  .stats-row { flex-wrap:wrap; border-radius:10px; }
  .sbox { border-right:none; border-bottom:1px solid var(--border2); flex:1; min-width:80px; }
  .sbox:last-child { border-bottom:none; }
  .chip-2 { display:none; }
}