/* ============================================================
   Samiul Alam Sumel — Portfolio v3.0 (Elite)
   ============================================================ */

/* ─── RESET ────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
img,svg{display:block;max-width:100%}
button{cursor:pointer;font-family:inherit}
[hidden]{display:none!important}

/* ─── DESIGN TOKENS ────────────────────────────────────────── */
:root{
  --gold:#d4a843;
  --gold-l:#f2c94c;
  --gold-d:#a07830;
  --gold-05:rgba(212,168,67,.05);
  --gold-10:rgba(212,168,67,.10);
  --gold-15:rgba(212,168,67,.15);
  --gold-25:rgba(212,168,67,.25);
  --gold-40:rgba(212,168,67,.40);

  --bg:#060610;
  --bg2:#09091a;
  --bg3:#0d0d22;
  --bg-card:rgba(255,255,255,.026);
  --bg-card2:rgba(255,255,255,.048);
  --bg-card3:rgba(255,255,255,.072);

  --bdr:rgba(212,168,67,.18);
  --bdr-h:rgba(212,168,67,.55);
  --bdr-s:rgba(255,255,255,.06);
  --bdr-s2:rgba(255,255,255,.10);

  --tx:#eaeaf8;
  --tx2:#8888a8;
  --tx3:#424262;

  --gr:#4ade80;
  --bl:#60a5fa;
  --pu:#c084fc;

  --gr-bg:rgba(74,222,128,.07);
  --bl-bg:rgba(96,165,250,.07);
  --pu-bg:rgba(192,132,252,.07);

  --r-xs:7px;--r-sm:11px;--r-md:16px;--r-lg:22px;--r-xl:28px;

  --shd:0 24px 64px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(212,168,67,.15),0 12px 48px rgba(212,168,67,.15);
  --glow-lg:0 0 0 1px rgba(212,168,67,.24),0 20px 64px rgba(212,168,67,.22);

  --ease:.32s cubic-bezier(.4,0,.2,1);
  --ease-out:.48s cubic-bezier(0,0,.2,1);
  --ease-spring:.5s cubic-bezier(.34,1.56,.64,1);
}

/* ─── BASE ─────────────────────────────────────────────────── */
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--tx);overflow-x:hidden;line-height:1.65;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}

::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--gold-d),var(--gold));border-radius:2px}
::-webkit-scrollbar-thumb:hover{background:var(--gold-l)}
*{scrollbar-width:thin;scrollbar-color:var(--gold) transparent}

.skip-link{position:absolute;top:-48px;left:0;background:var(--gold);color:#060000;padding:10px 24px;font-weight:700;font-size:.875rem;z-index:9999;border-radius:0 0 10px 0;transition:top .2s;text-decoration:none}
.skip-link:focus{top:0}
#main-content:focus{outline:none}

#spb{position:fixed;top:0;left:0;height:2px;width:0%;z-index:9999;background:linear-gradient(90deg,var(--gold-d),var(--gold),var(--gold-l));box-shadow:0 0 14px var(--gold-25);transition:width .1s linear;pointer-events:none}

/* ─── UTILITIES ─────────────────────────────────────────────── */
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}

.sec{padding:116px 0;position:relative;overflow:clip}
.sec::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 5%,var(--bdr-s) 50%,transparent 95%)}

/* Section watermark numbers */
#about::after{content:'01'}
#skills::after{content:'02'}
#experience::after{content:'03'}
#projects::after{content:'04'}
#dev::after{content:'05'}
#edu::after{content:'06'}
#contact::after{content:'07'}
#about::after,#skills::after,#experience::after,#projects::after,
#dev::after,#edu::after,#contact::after{
  position:absolute;right:-16px;bottom:-16px;
  font-size:clamp(7rem,20vw,16rem);font-weight:900;
  letter-spacing:-.12em;line-height:1;
  pointer-events:none;user-select:none;
  font-family:'Inter',sans-serif;
  background:linear-gradient(180deg,rgba(212,168,67,.06) 0%,transparent 80%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  z-index:0;
}

/* Section header */
.slabel{
  font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--gold);
  letter-spacing:.22em;text-transform:uppercase;margin-bottom:14px;
  display:flex;align-items:center;gap:12px;
}
.slabel::before{content:'';width:22px;height:1px;background:var(--gold);flex-shrink:0;opacity:.7}

.stitle{
  font-size:clamp(2rem,4.5vw,3.1rem);font-weight:900;
  line-height:1.08;letter-spacing:-.028em;margin-bottom:18px;
}
.stitle span{
  background:linear-gradient(135deg,var(--gold-d),var(--gold-l));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

.sline{
  width:56px;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--gold-10),transparent);
  border-radius:2px;margin-bottom:68px;
  position:relative;
}
.sline::after{
  content:'';position:absolute;left:64px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;
  background:var(--gold);opacity:.55;
}

.tag{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.71rem;font-weight:600;background:var(--gold-10);color:var(--gold-l);border:1px solid var(--gold-15)}
.tag.bl{background:var(--bl-bg);color:var(--bl);border-color:rgba(96,165,250,.22)}
.tag.gr{background:var(--gr-bg);color:var(--gr);border-color:rgba(74,222,128,.22)}

/* ─── BUTTONS ──────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 28px;border-radius:var(--r-sm);
  font-size:.875rem;font-weight:700;text-decoration:none;
  cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease),color var(--ease);
  border:none;font-family:inherit;letter-spacing:.01em;
  position:relative;overflow:hidden;white-space:nowrap;
}
.btn-p{
  background:linear-gradient(135deg,var(--gold-d) 0%,var(--gold) 55%,var(--gold-l) 100%);
  color:#08060a;
  box-shadow:0 4px 24px var(--gold-25),inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-p::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.18),transparent 60%);opacity:0;transition:opacity var(--ease)}
.btn-p:hover{transform:translateY(-3px);box-shadow:0 12px 36px var(--gold-40),inset 0 1px 0 rgba(255,255,255,.2)}
.btn-p:hover::after{opacity:1}
.btn-o{border:1px solid var(--bdr-s);color:var(--tx2);background:var(--bg-card);backdrop-filter:blur(10px)}
.btn-o:hover{border-color:var(--bdr-h);color:var(--gold);background:var(--gold-05);transform:translateY(-3px);box-shadow:0 8px 28px var(--gold-10)}
.btn-nav{padding:8px 18px;font-size:.8rem}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ─── SCROLL ANIMATIONS ─────────────────────────────────────── */
.fi{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.fi.v{opacity:1;transform:none}
.fl{opacity:0;transform:translateX(-28px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.fl.v{opacity:1;transform:none}
.fr{opacity:0;transform:translateX(28px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.fr.v{opacity:1;transform:none}

/* ─── KEYFRAMES ─────────────────────────────────────────────── */
@keyframes blink{0%,100%{opacity:1}50%{opacity:.1}}
@keyframes pulse-ring{0%{transform:scale(1);opacity:.7}100%{transform:scale(2.4);opacity:0}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes shimmer-text{0%{background-position:240% center}100%{background-position:-240% center}}
@keyframes blob{0%,100%{border-radius:60% 40% 30% 70%/60% 30% 70% 40%}50%{border-radius:30% 60% 70% 40%/50% 60% 30% 60%}}

/* ═══════════════════════════════════════════════════════════════
   NAVIGATION
═══════════════════════════════════════════════════════════════ */
#nb{
  position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;
  background:rgba(6,6,16,.72);backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);
  border-bottom:1px solid transparent;transition:all var(--ease);
}
#nb.sc{padding:12px 0;background:rgba(6,6,16,.96);border-bottom-color:var(--bdr-s);box-shadow:0 8px 48px rgba(0,0,0,.6)}
.nav-in{display:flex;align-items:center;justify-content:space-between}
.logo{
  font-weight:900;font-size:1.22rem;letter-spacing:-.03em;
  text-decoration:none;display:flex;align-items:center;gap:12px;
  background:linear-gradient(135deg,var(--gold-d),var(--gold),var(--gold-l));
  background-size:200% auto;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.logo-badge{font-family:'JetBrains Mono',monospace;font-size:.63rem;-webkit-text-fill-color:var(--tx2);color:var(--tx2);padding:3px 10px;border:1px solid var(--bdr-s);border-radius:20px;font-weight:400;letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links a{font-size:.84rem;font-weight:500;color:var(--tx2);text-decoration:none;padding:7px 13px;border-radius:var(--r-xs);transition:all var(--ease);position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--gold)}
.nav-links a.active::after{content:'';position:absolute;bottom:3px;left:13px;right:13px;height:1.5px;background:linear-gradient(90deg,var(--gold),var(--gold-l));border-radius:1px}
.hbg{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;background:none;border:none}
.hbg span{width:22px;height:2px;background:var(--tx);border-radius:2px;transition:all .3s;display:block}
.hbg.op span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hbg.op span:nth-child(2){opacity:0;transform:scaleX(0)}
.hbg.op span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mob{display:none;position:fixed;inset:0;background:rgba(6,6,16,.98);backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);z-index:999;flex-direction:column;align-items:center;justify-content:center;gap:28px}
.mob.op{display:flex}
.mob a{font-size:1.55rem;font-weight:800;color:var(--tx);text-decoration:none;padding:10px 32px;border-radius:14px;transition:all var(--ease)}
.mob a:hover{color:var(--gold);background:var(--gold-05)}
.mob-x{position:absolute;top:24px;right:24px;font-size:1.2rem;color:var(--tx2);cursor:pointer;background:var(--bg-card2);border:1px solid var(--bdr-s);border-radius:9px;padding:8px 12px;line-height:1;transition:all var(--ease)}
.mob-x:hover{color:var(--gold);border-color:var(--bdr)}

/* ═══════════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════════ */
#hero{
  min-height:100vh;display:flex;align-items:center;
  position:relative;overflow:hidden;padding-top:100px;
  background:radial-gradient(ellipse 80% 50% at 50% -5%,rgba(212,168,67,.05) 0%,transparent 60%);
}

/* Dot grid overlay — fades toward bottom */
#hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(212,168,67,.08) 1px,transparent 1px);
  background-size:36px 36px;
  -webkit-mask-image:radial-gradient(ellipse 100% 90% at 50% 0%,black 20%,transparent 75%);
  mask-image:radial-gradient(ellipse 100% 90% at 50% 0%,black 20%,transparent 75%);
}

#hcv{position:absolute;inset:0;pointer-events:none}

.h-orb{position:absolute;border-radius:50%;pointer-events:none;filter:blur(80px);opacity:.75}
.h-orb1{width:700px;height:700px;top:-200px;left:-200px;background:radial-gradient(circle,rgba(212,168,67,.055),transparent 70%);animation:blob 14s ease-in-out infinite}
.h-orb2{width:550px;height:550px;bottom:-150px;right:-150px;background:radial-gradient(circle,rgba(96,165,250,.04),transparent 70%);animation:blob 18s ease-in-out infinite reverse}
.h-orb3{width:400px;height:400px;top:35%;left:55%;background:radial-gradient(circle,rgba(168,85,247,.025),transparent 70%);animation:blob 22s ease-in-out infinite 3s}

.hc{position:relative;z-index:1;max-width:880px}

.h-eye{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 20px;border:1px solid var(--bdr);border-radius:30px;
  font-family:'JetBrains Mono',monospace;font-size:.71rem;color:var(--gold);
  margin-bottom:36px;background:var(--gold-05);backdrop-filter:blur(12px);letter-spacing:.1em;
}
.h-dot{position:relative;width:7px;height:7px;border-radius:50%;background:var(--gr);flex-shrink:0}
.h-dot::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:1px solid var(--gr);animation:pulse-ring 2.2s ease-out infinite}

.h-name{
  font-size:clamp(3.2rem,8vw,5.8rem);font-weight:900;
  line-height:.97;letter-spacing:-.05em;margin-bottom:14px;
}
.h-name .gd{
  display:block;
  background:linear-gradient(120deg,var(--gold-d) 0%,var(--gold) 30%,var(--gold-l) 60%,var(--gold) 80%,var(--gold-d) 100%);
  background-size:240% auto;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  animation:shimmer-text 5s linear infinite;
}

.h-titles{display:flex;flex-wrap:wrap;align-items:center;font-size:clamp(.95rem,1.7vw,1.15rem);color:var(--tx2);margin-bottom:26px;font-weight:400;gap:0}
.h-titles strong{color:var(--tx);font-weight:600}
.h-sep{color:var(--tx3);padding:0 14px;font-size:.75rem}

.h-desc{font-size:1rem;color:var(--tx2);max-width:640px;margin-bottom:52px;line-height:1.9}
.h-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:68px}

/* Stats — glass box with glow */
.h-stats{
  display:flex;flex-wrap:wrap;
  border:1px solid var(--bdr-s);border-radius:var(--r-md);
  overflow:hidden;background:var(--bg-card);backdrop-filter:blur(12px);
  width:fit-content;
  box-shadow:0 0 0 1px rgba(212,168,67,.06),0 8px 32px rgba(212,168,67,.06);
}
.h-stat{padding:22px 36px;position:relative;text-align:center}
.h-stat:not(:last-child){border-right:1px solid var(--bdr-s)}
.st-val{
  font-size:2.5rem;font-weight:900;line-height:1;letter-spacing:-.04em;
  background:linear-gradient(135deg,var(--gold),var(--gold-l));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.st-lbl{font-size:.68rem;color:var(--tx2);margin-top:7px;font-weight:500;text-transform:uppercase;letter-spacing:.1em}

.h-scroll{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;opacity:.35}
.h-scroll span{font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--tx2)}
.h-scroll-line{width:1px;height:42px;background:linear-gradient(180deg,var(--gold),transparent);animation:float 2.2s ease-in-out infinite}

#hero .h-eye{transition-delay:.06s}
#hero .h-name{transition-delay:.14s}
#hero .h-titles{transition-delay:.22s}
#hero .h-desc{transition-delay:.30s}
#hero .h-btns{transition-delay:.38s}
#hero .h-stats{transition-delay:.46s}

/* ═══════════════════════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════════════════════ */
#about{background:var(--bg2)}
.ab-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.ab-text p{color:var(--tx2);margin-bottom:20px;line-height:1.9}
.ab-text p strong{color:var(--tx)}
.lp{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}

.ab-hl{display:flex;flex-direction:column;gap:12px;margin-top:6px}
.hl-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 22px;border-radius:var(--r-md);
  background:var(--bg-card);border:1px solid var(--bdr-s);
  transition:border-color var(--ease),box-shadow var(--ease);position:relative;overflow:hidden;
}
.hl-item::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--gold-05),transparent 70%);opacity:0;transition:opacity var(--ease)}
.hl-item:hover{border-color:var(--bdr);box-shadow:0 4px 20px rgba(212,168,67,.08)}
.hl-item:hover::before{opacity:1}
.hl-ic{font-size:1.35rem;flex-shrink:0;margin-top:3px;position:relative;z-index:1}
.hl-t{font-size:.875rem;font-weight:700;margin-bottom:4px;position:relative;z-index:1}
.hl-d{font-size:.78rem;color:var(--tx2);line-height:1.55;position:relative;z-index:1}

.ab-info{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.ai{padding:14px 18px;border-radius:var(--r-sm);background:var(--bg-card);border:1px solid var(--bdr-s);transition:border-color var(--ease)}
.ai:hover{border-color:var(--bdr)}
.ai-l{font-size:.64rem;text-transform:uppercase;letter-spacing:.14em;color:var(--tx3);margin-bottom:5px;font-family:'JetBrains Mono',monospace}
.ai-v{font-size:.84rem;font-weight:600;color:var(--tx)}
.ai-v a{color:var(--gold);text-decoration:none}
.ai-v a:hover{text-decoration:underline}

/* ═══════════════════════════════════════════════════════════════
   SKILLS
═══════════════════════════════════════════════════════════════ */
.sk-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* Spotlight via CSS variable — JS sets --mx/--my on mousemove */
.sk-card{
  --mx:50%;--my:50%;
  padding:32px;border-radius:var(--r-lg);
  background:
    radial-gradient(circle 220px at var(--mx) var(--my),rgba(212,168,67,.055) 0%,transparent 100%),
    var(--bg2);
  border:1px solid var(--bdr-s);
  transition:border-color var(--ease),box-shadow var(--ease);
  position:relative;overflow:hidden;
}
.sk-card::after{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold-25),transparent);opacity:0;transition:opacity var(--ease)}
.sk-card:hover{border-color:var(--bdr);box-shadow:var(--glow)}
.sk-card:hover::after{opacity:1}

.sk-hd{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.sk-ic{width:48px;height:48px;border-radius:12px;flex-shrink:0;background:var(--gold-10);border:1px solid var(--bdr);display:flex;align-items:center;justify-content:center;font-size:1.4rem}
.sk-ttl{font-size:1.02rem;font-weight:800;letter-spacing:-.01em}
.sk-pills{display:flex;flex-wrap:wrap;gap:7px}
.sp{padding:5px 13px;border-radius:20px;font-size:.71rem;font-weight:600;border:1px solid;transition:all .18s ease;cursor:default}
.sp.gd{background:var(--gold-10);color:var(--gold-l);border-color:rgba(212,168,67,.2)}
.sp.gd:hover{background:var(--gold-15);border-color:var(--gold-40)}
.sp.bl{background:var(--bl-bg);color:var(--bl);border-color:rgba(96,165,250,.2)}
.sp.bl:hover{background:rgba(96,165,250,.13);border-color:rgba(96,165,250,.38)}
.sp.gr{background:var(--gr-bg);color:var(--gr);border-color:rgba(74,222,128,.2)}
.sp.gr:hover{background:rgba(74,222,128,.13);border-color:rgba(74,222,128,.38)}
.sp.pu{background:var(--pu-bg);color:var(--pu);border-color:rgba(192,132,252,.2)}
.sp.pu:hover{background:rgba(192,132,252,.13);border-color:rgba(192,132,252,.38)}

.sk-card:nth-child(1){transition-delay:.06s}
.sk-card:nth-child(2){transition-delay:.12s}
.sk-card:nth-child(3){transition-delay:.18s}
.sk-card:nth-child(4){transition-delay:.24s}

/* ═══════════════════════════════════════════════════════════════
   EXPERIENCE
═══════════════════════════════════════════════════════════════ */
#experience{background:var(--bg2)}
.tl{position:relative;padding-left:42px}
.tl::before{content:'';position:absolute;left:0;top:18px;bottom:0;width:2px;background:linear-gradient(180deg,var(--gold) 0%,rgba(212,168,67,.25) 65%,transparent 100%)}
.tl-item{position:relative;margin-bottom:48px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{content:'';position:absolute;left:-47px;top:18px;width:12px;height:12px;border-radius:50%;background:var(--bg2);border:2px solid var(--gold);box-shadow:0 0 0 5px var(--bg2),0 0 20px rgba(212,168,67,.45)}
.tl-item.current::before{background:var(--gold);animation:pulse-ring 2.2s ease-out infinite}
.tl-item:nth-child(2){transition-delay:.12s}

.tl-card{
  --mx:50%;--my:50%;
  padding:32px 40px;border-radius:var(--r-lg);
  background:
    radial-gradient(circle 200px at var(--mx) var(--my),rgba(212,168,67,.04) 0%,transparent 100%),
    var(--bg-card);
  border:1px solid var(--bdr-s);
  transition:border-color var(--ease),box-shadow var(--ease);
  position:relative;overflow:hidden;
}
.tl-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--gold-d),var(--gold),var(--gold-l),transparent);opacity:0;transition:opacity var(--ease)}
.tl-card:hover{border-color:var(--bdr);box-shadow:var(--glow)}
.tl-card:hover::before{opacity:1}

.tl-hd{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:12px;margin-bottom:6px}
.tl-role{font-size:1.05rem;font-weight:800;letter-spacing:-.015em}
.tl-per{font-family:'JetBrains Mono',monospace;font-size:.71rem;color:var(--gold);padding:4px 14px;border-radius:20px;background:var(--gold-10);border:1px solid var(--bdr);white-space:nowrap}
.tl-org{font-size:.9rem;color:var(--gold-l);font-weight:700;margin-bottom:4px}
.tl-loc{font-size:.78rem;color:var(--tx2);margin-bottom:22px;font-style:italic}
.tl-sub{font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.16em;color:var(--gold);margin:20px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--bdr)}
.tl-ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.tl-ul li{display:flex;gap:12px;font-size:.85rem;color:var(--tx2);line-height:1.72}
.tl-ul li::before{content:'▸';color:var(--gold);flex-shrink:0;margin-top:3px;font-size:.75rem}

/* ═══════════════════════════════════════════════════════════════
   PROJECTS
═══════════════════════════════════════════════════════════════ */
#projects{background:var(--bg)}
.ptabs{display:flex;gap:8px;margin-bottom:48px;flex-wrap:wrap}
.ptab{padding:9px 24px;border-radius:24px;font-size:.8rem;font-weight:700;cursor:pointer;border:1px solid var(--bdr-s);background:transparent;color:var(--tx2);transition:all var(--ease);font-family:inherit;letter-spacing:.01em}
.ptab:hover{border-color:var(--bdr);color:var(--tx)}
.ptab.a{background:var(--gold-10);border-color:var(--bdr-h);color:var(--gold)}

.pg{display:grid;grid-template-columns:repeat(auto-fill,minmax(335px,1fr));gap:20px}

/* Project card — spotlight via background, tilt via JS inline style */
.pc{
  --mx:50%;--my:50%;
  padding:28px 30px;border-radius:var(--r-lg);
  background:
    radial-gradient(circle 260px at var(--mx) var(--my),rgba(212,168,67,.06) 0%,transparent 100%),
    var(--bg2);
  border:1px solid var(--bdr-s);
  transition:border-color var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;
  position:relative;overflow:hidden;
}
/* Category top accent bar — revealed on hover */
.pc::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;opacity:0;transition:opacity var(--ease)}
.pc[data-cat="web"]::before{background:linear-gradient(90deg,transparent,var(--gold),var(--gold-l),transparent)}
.pc[data-cat="linux"]::before{background:linear-gradient(90deg,transparent,var(--gr),rgba(74,222,128,.55),transparent)}
.pc:hover{border-color:var(--bdr);box-shadow:var(--glow)}
.pc:hover::before{opacity:1}

.pc-hd{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;position:relative;z-index:1}
.pc-ic{font-size:1.8rem;animation:float 4.5s ease-in-out infinite}
.pc-lks{display:flex;gap:8px}
.pc-lk{width:34px;height:34px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;border:1px solid var(--bdr-s);color:var(--tx2);text-decoration:none;transition:all var(--ease);font-size:.82rem;background:var(--bg-card)}
.pc-lk:hover{border-color:var(--bdr-h);color:var(--gold);background:var(--gold-10)}
.pc-nm{font-size:.975rem;font-weight:800;margin-bottom:10px;letter-spacing:-.01em;position:relative;z-index:1}
.pc-date{font-size:.68rem;color:var(--tx3);font-weight:400;font-family:'JetBrains Mono',monospace;white-space:nowrap}
.pc-pb{font-size:.75rem;color:var(--tx2);font-style:italic;margin-bottom:12px;padding:10px 14px;border-left:2px solid var(--bdr);border-radius:0 7px 7px 0;background:var(--bg-card);line-height:1.65;position:relative;z-index:1}
.pc-ds{font-size:.8rem;color:var(--tx2);line-height:1.78;flex:1;margin-bottom:18px;position:relative;z-index:1}
.pc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;position:relative;z-index:1}
.pt{font-size:.67rem;font-weight:600;padding:3px 10px;border-radius:12px;background:var(--bg-card2);border:1px solid var(--bdr-s);color:var(--tx2);transition:all .18s ease}
.pt:hover{border-color:var(--bdr);color:var(--tx)}

.pc:nth-child(2){transition-delay:.05s}.pc:nth-child(3){transition-delay:.10s}
.pc:nth-child(4){transition-delay:.15s}.pc:nth-child(5){transition-delay:.20s}
.pc:nth-child(6){transition-delay:.25s}.pc:nth-child(7){transition-delay:.30s}
.pc:nth-child(8){transition-delay:.35s}.pc:nth-child(9){transition-delay:.40s}
.pc:nth-child(10){transition-delay:.45s}.pc:nth-child(11){transition-delay:.50s}
.pc:nth-child(12){transition-delay:.55s}.pc:nth-child(13){transition-delay:.60s}
.pc:nth-child(14){transition-delay:.65s}.pc:nth-child(15){transition-delay:.70s}

/* ═══════════════════════════════════════════════════════════════
   PROFESSIONAL DEVELOPMENT
═══════════════════════════════════════════════════════════════ */
#dev{background:var(--bg2)}
.dg{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.dc{
  --mx:50%;--my:50%;
  padding:30px;border-radius:var(--r-lg);
  background:
    radial-gradient(circle 220px at var(--mx) var(--my),rgba(212,168,67,.05) 0%,transparent 100%),
    var(--bg-card);
  border:1px solid var(--bdr-s);
  transition:border-color var(--ease),box-shadow var(--ease);
  position:relative;overflow:hidden;
}
.dc:hover{border-color:var(--bdr);box-shadow:var(--glow)}
.dc:nth-child(2){transition-delay:.10s}
.dc:nth-child(3){transition-delay:.20s}

.dc-hd{display:flex;align-items:flex-start;gap:16px;margin-bottom:18px;position:relative;z-index:1}
.dc-ic{font-size:1.5rem;flex-shrink:0;width:52px;height:52px;border-radius:14px;background:var(--gold-10);border:1px solid var(--bdr);display:flex;align-items:center;justify-content:center}
.dc-ttl{font-size:.975rem;font-weight:800;margin-bottom:4px;letter-spacing:-.01em}
.dc-org{font-size:.74rem;color:var(--tx2)}
.dc-st{display:inline-flex;align-items:center;gap:7px;font-size:.71rem;margin-bottom:18px;padding:4px 13px;border-radius:20px;position:relative;z-index:1}
.dc-st.ac{background:rgba(74,222,128,.07);color:var(--gr);border:1px solid rgba(74,222,128,.22)}
.dc-st.ac::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gr);animation:blink 1.9s infinite;flex-shrink:0}

.dc-prog{margin-bottom:20px;position:relative;z-index:1}
.dc-pl{display:flex;justify-content:space-between;font-size:.72rem;margin-bottom:10px;color:var(--tx2)}
.dc-pb{height:5px;border-radius:3px;background:var(--bg-card3);overflow:hidden}
.dc-pf{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--gold-d),var(--gold),var(--gold-l));transition:width 1.9s cubic-bezier(.4,0,.2,1);width:0;box-shadow:0 0 12px var(--gold-25)}

.dc-ul{list-style:none;display:flex;flex-direction:column;gap:8px;position:relative;z-index:1}
.dc-ul li{display:flex;gap:9px;font-size:.79rem;color:var(--tx2);line-height:1.58}
.ck{color:var(--gr);flex-shrink:0;font-size:.78rem;margin-top:1px}
.wp{color:var(--gold);flex-shrink:0;font-size:.78rem;margin-top:1px}

/* ═══════════════════════════════════════════════════════════════
   EDUCATION
═══════════════════════════════════════════════════════════════ */
#edu{background:var(--bg)}
.eg{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ec{
  --mx:50%;--my:50%;
  padding:32px 36px;border-radius:var(--r-lg);
  background:
    radial-gradient(circle 180px at var(--mx) var(--my),rgba(212,168,67,.05) 0%,transparent 100%),
    var(--bg2);
  border:1px solid var(--bdr-s);
  transition:border-color var(--ease),box-shadow var(--ease);
  position:relative;overflow:hidden;
}
.ec:hover{border-color:var(--bdr);box-shadow:var(--glow)}
.ec:nth-child(2){transition-delay:.10s}
.ec-deg{font-size:1.05rem;font-weight:800;margin-bottom:7px;letter-spacing:-.01em}
.ec-field{font-size:.875rem;color:var(--gold-l);font-weight:600;margin-bottom:5px}
.ec-inst{font-size:.84rem;color:var(--tx2)}
.ec-yr{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--tx3);margin-top:12px}

/* ═══════════════════════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════════════════════ */
#contact{background:var(--bg2)}
.cg{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:start}
.ct-text p{color:var(--tx2);line-height:1.9;margin-bottom:20px}
.ct-text p strong{color:var(--tx)}

.ct-av{display:flex;align-items:center;gap:16px;padding:20px 24px;border-radius:var(--r-md);background:rgba(74,222,128,.04);border:1px solid rgba(74,222,128,.16);margin-bottom:36px}
.av-dot{width:11px;height:11px;border-radius:50%;background:var(--gr);flex-shrink:0;position:relative}
.av-dot::after{content:'';position:absolute;inset:-5px;border-radius:50%;border:1px solid var(--gr);animation:pulse-ring 2.2s infinite}
.av-t strong{font-size:.92rem;color:var(--gr);display:block;margin-bottom:4px}
.av-t span{font-size:.75rem;color:var(--tx2)}

.tcos{margin-top:32px}
.tcos-t{font-size:.84rem;font-weight:700;margin-bottom:14px;color:var(--tx)}
.tcos-g{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.co{padding:12px 18px;border-radius:var(--r-sm);background:var(--bg-card);border:1px solid var(--bdr-s);font-size:.8rem;font-weight:700;color:var(--tx2);display:flex;align-items:center;gap:10px;transition:all var(--ease)}
.co::before{content:'🎯';font-size:.85rem}
.co:hover{border-color:var(--bdr);background:var(--gold-05);color:var(--gold)}

.cl{display:flex;flex-direction:column;gap:12px}
.clk{
  display:flex;align-items:center;gap:18px;
  padding:18px 22px;border-radius:var(--r-md);
  background:var(--bg-card);border:1px solid var(--bdr-s);
  text-decoration:none;color:var(--tx);
  transition:border-color var(--ease),background var(--ease),transform var(--ease),box-shadow var(--ease);
  position:relative;overflow:hidden;
}
.clk::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--gold-d),var(--gold-l));transform:scaleY(0);transition:transform var(--ease);transform-origin:bottom}
.clk:hover{border-color:var(--bdr);background:var(--gold-05);transform:translateX(6px);box-shadow:0 4px 20px rgba(212,168,67,.08)}
.clk:hover::before{transform:scaleY(1)}
.clk-ic{font-size:1.4rem;flex-shrink:0}
.clk-l{font-size:.64rem;text-transform:uppercase;letter-spacing:.14em;color:var(--tx2);margin-bottom:3px;font-family:'JetBrains Mono',monospace}
.clk-v{font-size:.88rem;font-weight:600}
.clk-v,.ft-link,.ai-v{overflow-wrap:anywhere}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════════ */
footer{padding:64px 0 0;border-top:1px solid var(--bdr-s);background:var(--bg2);position:relative;overflow:hidden}
footer::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:300px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
footer::after{content:'';position:absolute;bottom:0;left:-200px;right:-200px;height:200px;background:radial-gradient(ellipse 60% 100% at 50% 100%,rgba(212,168,67,.04),transparent);pointer-events:none}

.ft-grid{display:grid;grid-template-columns:1.8fr 1.4fr;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--bdr-s);position:relative;z-index:1}

.ft-logo{font-weight:900;font-size:1.6rem;letter-spacing:-.04em;background:linear-gradient(135deg,var(--gold-d),var(--gold),var(--gold-l));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:14px}
.ft-tagline{font-size:.78rem;color:var(--tx2);line-height:1.75;max-width:280px;margin-bottom:24px}
.ft-socials{display:flex;gap:10px;flex-wrap:wrap}
.ft-social{width:38px;height:38px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;border:1px solid var(--bdr-s);color:var(--tx2);text-decoration:none;font-size:.9rem;background:var(--bg-card);transition:all var(--ease)}
.ft-social:hover{border-color:var(--bdr-h);color:var(--gold);background:var(--gold-10);transform:translateY(-3px);box-shadow:0 6px 18px var(--gold-10)}

.ft-col-title{font-family:'JetBrains Mono',monospace;font-size:.68rem;color:var(--gold);letter-spacing:.18em;text-transform:uppercase;margin-bottom:18px}
.ft-col{display:flex;flex-direction:column;gap:0}
.ft-link{font-size:.82rem;color:var(--tx2);text-decoration:none;padding:6px 0;transition:all var(--ease);display:block}
.ft-link:hover{color:var(--gold);padding-left:6px}

.ft-bar{display:flex;justify-content:space-between;align-items:center;padding:20px 0;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.ft-copy{font-size:.75rem;color:var(--tx3)}
.ft-copy span{color:var(--gold)}
.ft-top{font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--tx2);text-decoration:none;letter-spacing:.08em;padding:7px 16px;border:1px solid var(--bdr-s);border-radius:20px;background:var(--bg-card);transition:all var(--ease)}
.ft-top:hover{border-color:var(--bdr-h);color:var(--gold);background:var(--gold-10)}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════════ */
@media(max-width:900px){
  .ab-grid{grid-template-columns:1fr;gap:48px}
  .cg{grid-template-columns:1fr;gap:48px}
}
@media(max-width:768px){
  .sec{padding:72px 0}
  .nav-links{display:none}
  .hbg{display:flex}
  .sk-grid{grid-template-columns:1fr}
  .eg{grid-template-columns:1fr}
  .pg{grid-template-columns:1fr}
  .h-stats{width:100%}
  .h-stat{flex:1;padding:18px 20px}
  .ft-grid{grid-template-columns:1fr;gap:36px}
  .ft-brand{grid-column:auto}
  .ft-bar{flex-direction:column;text-align:center;gap:16px}
  .ab-info{grid-template-columns:1fr}
  .tcos-g{grid-template-columns:1fr}
  .tl{padding-left:30px}
  .tl-card{padding:24px 26px}
  /* Watermarks too large on tablet */
  #about::after,#skills::after,#experience::after,#projects::after,
  #dev::after,#edu::after,#contact::after{font-size:clamp(5rem,14vw,9rem)}
}
@media(max-width:480px){
  .ft-grid{grid-template-columns:1fr}
  .wrap{padding:0 18px}
  .h-btns{flex-direction:column}
  .h-btns .btn{justify-content:center}
  .h-name{letter-spacing:-.038em}
  .h-sep{display:none}
  .h-titles{flex-direction:column;gap:3px;align-items:flex-start}
  .h-stats{flex-wrap:wrap}
  .h-stat{min-width:50%}
  #about::after,#skills::after,#experience::after,#projects::after,
  #dev::after,#edu::after,#contact::after{display:none}
}

/* ═══════════════════════════════════════════════════════════════
   REDUCED MOTION
═══════════════════════════════════════════════════════════════ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .fi,.fl,.fr{opacity:1;transform:none;transition:none}
  /* Restore CSS-only hover lift for reduced-motion users (no JS tilt) */
  .sk-card:hover,.pc:hover,.dc:hover,.ec:hover{transform:translateY(-4px)}
}

/* ═══════════════════════════════════════════════════════════════
   PRINT
═══════════════════════════════════════════════════════════════ */
@media print{
  #nb,#spb,.h-scroll,#hcv,.h-orb,.hbg,.mob,.ft-socials,.ft-top,
  #about::after,#skills::after,#experience::after,#projects::after,
  #dev::after,#edu::after,#contact::after{display:none !important}
  #hero::before{display:none}
  body{background:#fff;color:#111}
  .sec{padding:28px 0}
  .sec::before{display:none}
  .fi,.fl,.fr{opacity:1;transform:none}
  a[href]::after{content:" (" attr(href) ")";font-size:.7rem;color:#555}
  .pc-lk[href]::after,.clk[href]::after{content:none}
  .stitle span,.h-name .gd,.logo,.st-val{-webkit-text-fill-color:currentColor;background:none;color:var(--gold)}
}