/* ═══════════════════════════════════════════════════════════
   ADITYA SINGH BAGHEL — Data Science Portfolio
   Theme : Obsidian Black + Gold/Amber  (Dark ↔ Light toggle)
   Fonts : Outfit (display) + DM Sans (body)
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=DM+Sans:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Variables ──────────────────────────────────────────── */
:root {
  --fd: 'Outfit', sans-serif;
  --fb: 'DM Sans', sans-serif;
  --fm: 'JetBrains Mono', monospace;

  /* Dark (default) */
  --bg:    #0B0F19;
  --bg2:   #111827;
  --bg3:   #121826;
  --surf:  #121826;
  --surf2: #1a2133;
  --glass: rgba(255,255,255,0.03);
  --gb:    #1F2937;
  --gb2:   rgba(124,58,237,0.25);

  --tx:    #F9FAFB;
  --tx2:   #A1A1AA;
  --tx3:   #71717A;

  /* Purple / Cyan palette */
  --g1:    #7C3AED;   /* primary accent  */
  --g2:    #6D28D9;   /* primary hover   */
  --g3:    #22D3EE;   /* secondary accent */
  --g4:    #38BDF8;   /* link hover      */
  --gd:    linear-gradient(135deg, #7C3AED, #22D3EE);
  --gd2:   linear-gradient(135deg, #6366F1, #06B6D4);
  --gd3:   linear-gradient(135deg, #7C3AED, #22D3EE);
  --glow:  rgba(124,58,237,0.30);
  --glow2: rgba(124,58,237,0.12);
  --red:   #EF4444;

  --sh:    rgba(0,0,0,0.55);
  --shl:   rgba(0,0,0,0.80);
  --navbg: rgba(11,15,25,0.92);

  --r:  12px;
  --rl: 20px;
  --ease: cubic-bezier(0.4,0,0.2,1);
  --sp:   cubic-bezier(0.34,1.56,0.64,1);
}

[data-theme="light"] {
  --bg:    #F9FAFB;
  --bg2:   #F3F4F6;
  --bg3:   #E5E7EB;
  --surf:  #ffffff;
  --surf2: #F9FAFB;
  --glass: rgba(124,58,237,0.04);
  --gb:    rgba(124,58,237,0.15);
  --gb2:   rgba(124,58,237,0.25);

  --tx:    #111827;
  --tx2:   #6B7280;
  --tx3:   #9CA3AF;

  --g1:    #7C3AED;
  --g2:    #6D28D9;
  --g3:    #22D3EE;
  --g4:    #38BDF8;
  --glow:  rgba(124,58,237,0.18);
  --glow2: rgba(124,58,237,0.08);

  --sh:    rgba(0,0,0,0.08);
  --shl:   rgba(0,0,0,0.16);
  --navbg: rgba(249,250,251,0.92);
}

/* ── Reset ──────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--fb);
  background:var(--bg);
  color:var(--tx);
  line-height:1.7;
  overflow-x:hidden;
  transition:background .35s var(--ease),color .35s var(--ease);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:var(--fb);cursor:pointer}

/* ── Layout ─────────────────────────────────────────────── */
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 1.5rem}

/* ── Default cursor ── */
body { cursor: auto; }
a, button, [role="button"], .fb-btn, .pi-btn, .cert-cta, .skill-pill { cursor: pointer; }
.cursor-dot, .cursor-ring { display: none !important; }

/* ── Noise texture overlay ──────────────────────────────── */
body::after{
  content:'';
  position:fixed;inset:0;
  pointer-events:none;z-index:1;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  opacity:.5;
}
[data-theme="light"] body::after{opacity:.2}

/* ── Hexagon bg pattern ─────────────────────────────────── */
.hex-bg{
  position:absolute;inset:0;pointer-events:none;overflow:hidden;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='52'%3E%3Cpolygon points='30,1 59,16 59,46 30,61 1,46 1,16' fill='none' stroke='rgba(124,58,237,0.055)' stroke-width='1'/%3E%3C/svg%3E");
  background-size:60px 52px;
}
[data-theme="light"] .hex-bg{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='52'%3E%3Cpolygon points='30,1 59,16 59,46 30,61 1,46 1,16' fill='none' stroke='rgba(124,58,237,0.07)' stroke-width='1'/%3E%3C/svg%3E")}

/* ── Gradient text ──────────────────────────────────────── */
.gt{background:var(--gd2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.gt2{background:var(--gd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ── NAVBAR ─────────────────────────────────────────────── */
.navbar{
  position:sticky;top:0;z-index:500;
  background:var(--navbg);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--gb);
  transition:background .3s,box-shadow .3s;
}
.navbar.scrolled{box-shadow:0 4px 30px rgba(124,58,237,0.12)}

.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;position:relative;
}
.logo{
  font-family:var(--fd);font-size:1.2rem;font-weight:800;
  letter-spacing:-.02em;flex-shrink:0;z-index:1;
}
.logo .dot{color:var(--g1)}
.logo .sub{
  font-size:.6rem;font-weight:500;color:var(--tx2);
  display:block;letter-spacing:.12em;text-transform:uppercase;font-family:var(--fm);margin-top:-2px;
}

.nav-links{display:flex;align-items:center;gap:.1rem}
.nav-links a{
  font-size:.84rem;font-weight:500;color:var(--tx2);
  padding:.42rem .9rem;border-radius:8px;
  transition:color .2s,background .2s;position:relative;
}
.nav-links a::after{
  content:'';position:absolute;bottom:2px;left:50%;right:50%;
  height:1px;background:var(--gd2);border-radius:99px;
  transition:left .3s var(--ease),right .3s var(--ease);
}
.nav-links a:hover{color:var(--tx)}
.nav-links a:hover::after{left:10px;right:10px}

.nav-right{display:flex;align-items:center;gap:.5rem;z-index:1}

/* Theme toggle */
.theme-toggle{
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--gb2);background:var(--glass);
  color:var(--tx2);display:flex;align-items:center;justify-content:center;
  font-size:.95rem;transition:all .2s var(--ease);flex-shrink:0;
}
.theme-toggle:hover{border-color:var(--g1);color:var(--g1);background:var(--glow2);box-shadow:0 0 14px var(--glow)}
.icon-sun{display:none}.icon-moon{display:block}
[data-theme="light"] .icon-sun{display:block}[data-theme="light"] .icon-moon{display:none}

/* Hamburger */
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--gb2);background:var(--glass);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.bar{display:block;width:18px;height:2px;background:var(--tx);border-radius:99px;transition:transform .25s var(--ease),opacity .2s}
.navbar.nav-open .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.navbar.nav-open .bar:nth-child(2){opacity:0}
.navbar.nav-open .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.72rem 1.6rem;border-radius:10px;
  font-family:var(--fb);font-size:.875rem;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:all .25s var(--sp);white-space:nowrap;
}
.btn-gold{background:var(--gd2);color:#ffffff;box-shadow:0 4px 18px var(--glow)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 10px 30px var(--glow)}
.btn-outline{background:var(--glass);color:var(--tx);border-color:var(--gb2);backdrop-filter:blur(8px)}
.btn-outline:hover{border-color:var(--g1);color:var(--g1);transform:translateY(-3px);box-shadow:0 4px 18px var(--glow)}

/* ── ANIMATIONS ─────────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes floatX{0%,100%{transform:translateX(0)}50%{transform:translateX(-10px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 var(--glow)}50%{box-shadow:0 0 0 12px rgba(124,58,237,0)}}
@keyframes shimmer{0%{background-position:-200% center}100%{background-position:200% center}}
@keyframes scanline{0%{top:-100%}100%{top:100%}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
@keyframes barFill{from{width:0}to{width:var(--w)}}
@keyframes countUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes orb{0%,100%{transform:translate(0,0)}33%{transform:translate(30px,-25px)}66%{transform:translate(-20px,15px)}}
@keyframes dataStream{0%{transform:translateY(-100%);opacity:0}20%{opacity:.7}80%{opacity:.7}100%{transform:translateY(100vh);opacity:0}}

/* scroll reveal */
[data-r]{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-r].on{opacity:1;transform:none}
[data-r][data-d="1"]{transition-delay:.1s}[data-r][data-d="2"]{transition-delay:.2s}[data-r][data-d="3"]{transition-delay:.3s}[data-r][data-d="4"]{transition-delay:.4s}

/* ── COMMON ─────────────────────────────────────────────── */
.ew{display:inline-flex;align-items:center;gap:.5rem;font-size:.68rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--g1);margin-bottom:.8rem}
.el{width:24px;height:2px;background:var(--gd2);border-radius:99px;display:block}

.section{padding:6rem 0;position:relative;z-index:2}
.s-alt{background:var(--bg2)}
.sh{margin-bottom:2.75rem}
.st{font-family:var(--fd);font-size:clamp(1.7rem,2.5vw+.5rem,2.3rem);font-weight:800;letter-spacing:-.03em;line-height:1.2;margin-bottom:.6rem}
.ss{font-size:.92rem;color:var(--tx2);max-width:32rem;line-height:1.8}

/* Tag pills */
.tag{display:inline-block;padding:.26rem .72rem;border-radius:99px;font-size:.74rem;font-weight:600;background:rgba(124,58,237,0.1);color:var(--g1);border:1px solid rgba(124,58,237,0.2);transition:all .2s var(--sp)}
.tag:hover{background:var(--g1);color:#ffffff;transform:translateY(-2px)}
.tag-b{background:rgba(239,68,68,.1);color:#ef4444;border-color:rgba(239,68,68,.2)}
.tag-b:hover{background:#ef4444;color:#fff}
.tag-c{background:rgba(16,185,129,.1);color:#10b981;border-color:rgba(16,185,129,.2)}
.tag-row{display:flex;flex-wrap:wrap;gap:.4rem}

/* Card base */
.card{
  background:var(--surf);border:1px solid var(--gb);border-radius:var(--rl);padding:1.75rem;
  transition:transform .28s var(--sp),border-color .28s,box-shadow .28s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,0.4);box-shadow:0 16px 40px var(--sh),0 0 0 1px rgba(124,58,237,0.12)}
.card-accent::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gd2)}

/* ═══════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════ */
.hero{
  min-height:100vh;display:flex;align-items:center;
  position:relative;overflow:hidden;padding:0;z-index:2;
}

/* Neural net canvas sits behind everything */
#neuralCanvas{position:absolute;inset:0;z-index:0;opacity:.55}
[data-theme="light"] #neuralCanvas{opacity:.25}

.hero-hex{position:absolute;inset:0;z-index:1}
.hero-hex .hex-bg{inset:0}

/* Ambient orbs */
.hero-orbs{position:absolute;inset:0;pointer-events:none;z-index:1}
.orb{position:absolute;border-radius:50%;filter:blur(110px);animation:orb 18s ease-in-out infinite}
[data-theme="light"] .orb{opacity:.18}
.o1{width:520px;height:520px;background:radial-gradient(circle,rgba(124,58,237,0.45),transparent 70%);top:-180px;left:-120px;animation-duration:20s}
.o2{width:400px;height:400px;background:radial-gradient(circle,rgba(239,68,68,.3),transparent 70%);bottom:-100px;right:-80px;animation-duration:25s;animation-direction:reverse}
.o3{width:300px;height:300px;background:radial-gradient(circle,rgba(251,191,36,.2),transparent 70%);top:40%;left:50%;animation-duration:15s;animation-delay:5s}

/* Floating data particles */
.data-stream{position:absolute;inset:0;pointer-events:none;z-index:1;overflow:hidden}
.ds-item{
  position:absolute;
  font-family:var(--fm);font-size:.7rem;color:rgba(124,58,237,0.35);
  white-space:nowrap;animation:dataStream linear infinite;
}
[data-theme="light"] .ds-item{color:rgba(124,58,237,0.25)}

.hero-inner{
  position:relative;z-index:3;
  display:grid;grid-template-columns:1fr 420px;
  gap:3.5rem;align-items:center;
  padding:6rem 0 5rem;width:100%;
}

/* Terminal badge */
.term-badge{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.4rem 1rem;border-radius:8px;
  background:rgba(124,58,237,0.08);border:1px solid rgba(124,58,237,0.25);
  font-family:var(--fm);font-size:.75rem;color:var(--tx2);
  margin-bottom:1.25rem;animation:fadeIn .5s var(--ease) both;
}
.term-badge .prompt{color:var(--g1);font-weight:700}
.term-badge .cursor{width:7px;height:13px;background:var(--g1);display:inline-block;animation:blink 1s step-end infinite}

.hero-title{
  font-family:var(--fd);font-size:clamp(2.6rem,5vw+.4rem,4.2rem);font-weight:900;
  line-height:1.06;letter-spacing:-.04em;margin-bottom:1.25rem;
  animation:fadeUp .7s var(--ease) .15s both;
}
.hero-title .line-gold{
  display:block;background:var(--gd);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

/* Typewriter line */
.typewriter-wrap{
  font-family:var(--fm);font-size:.95rem;color:var(--tx2);
  margin-bottom:1.75rem;min-height:1.6rem;
  animation:fadeUp .7s var(--ease) .25s both;
}
.typewriter-wrap .tw-prompt{color:var(--g3);margin-right:.5rem}
#tw{color:var(--g4)}
.tw-cursor{display:inline-block;width:2px;height:1em;background:var(--g1);margin-left:2px;vertical-align:middle;animation:blink .8s step-end infinite}

.hero-desc{
  font-size:.98rem;color:var(--tx2);max-width:30rem;line-height:1.8;
  margin-bottom:2.25rem;animation:fadeUp .7s var(--ease) .3s both;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;animation:fadeUp .7s var(--ease) .4s both}

/* Stats bar */
.hero-stats{
  display:flex;gap:2.5rem;margin-top:2.5rem;padding-top:2rem;
  border-top:1px solid var(--gb);
  animation:fadeUp .7s var(--ease) .5s both;
}
.s-num{font-family:var(--fd);font-size:2rem;font-weight:900;line-height:1;background:var(--gd2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.s-lbl{font-size:.72rem;color:var(--tx2);margin-top:.2rem;font-family:var(--fm);letter-spacing:.06em}

/* ── HERO RIGHT PANEL ───────────────────────────────────── */
.hero-panel{
  display:flex;flex-direction:column;gap:1rem;
  animation:fadeUp .8s var(--ease) .35s both;
}

/* Data viz card */
.dv-card{
  background:var(--surf);border:1px solid var(--gb);border-radius:var(--rl);
  padding:1.5rem;position:relative;overflow:hidden;
  box-shadow:0 20px 50px var(--shl);
}
.dv-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gd2)}

/* Scanline effect */
.dv-card::after{
  content:'';position:absolute;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,0.4),transparent);
  animation:scanline 3s linear infinite;pointer-events:none;
}

.dv-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.dv-title{font-family:var(--fm);font-size:.72rem;color:var(--tx2);letter-spacing:.1em;text-transform:uppercase}
.dv-live{display:flex;align-items:center;gap:.35rem;font-size:.68rem;color:#10b981;font-family:var(--fm)}
.dv-dot{width:6px;height:6px;border-radius:50%;background:#10b981;animation:pulse 2s infinite}

/* Mini bar chart */
.mini-chart{display:flex;align-items:flex-end;gap:4px;height:50px;margin-bottom:1rem}
.mc-bar{
  flex:1;border-radius:3px 3px 0 0;
  background:var(--gd2);opacity:.7;
  transition:opacity .2s;
  animation:barFill .8s var(--ease) both;
  transform-origin:bottom;
}
.mc-bar:hover{opacity:1}

/* Skill rows */
.skill-row{margin-bottom:.7rem}
.skill-meta{display:flex;justify-content:space-between;font-size:.75rem;margin-bottom:.35rem}
.skill-name{color:var(--tx);font-weight:500}
.skill-pct{color:var(--g1);font-family:var(--fm);font-weight:600}
.skill-track{height:4px;background:var(--gb);border-radius:99px;overflow:hidden}
.skill-fill{
  height:100%;border-radius:99px;background:var(--gd2);
  width:var(--w,0%);
  animation:barFill 1s var(--ease) .6s both;
}

/* Info card — topics */
.info-card{
  background:var(--surf);border:1px solid var(--gb);border-radius:var(--rl);
  padding:1.25rem 1.5rem;
}
.info-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gd)}
.info-item{display:flex;align-items:center;gap:.75rem;padding:.5rem 0;border-bottom:1px solid var(--gb);font-size:.85rem;color:var(--tx2);transition:color .2s,transform .2s var(--sp)}
.info-item:last-child{border-bottom:none}
.info-item:hover{color:var(--tx);transform:translateX(4px)}
.ii-icon{width:30px;height:30px;border-radius:8px;background:rgba(124,58,237,0.1);display:flex;align-items:center;justify-content:center;font-size:.85rem;flex-shrink:0}

/* ═══════════════════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════════════════ */
.about-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:4.5rem;align-items:center}

.about-photo-wrap{position:relative;display:flex;justify-content:center}

/* Hexagon avatar */
.hex-avatar{
  width:260px;height:260px;position:relative;
  display:flex;align-items:center;justify-content:center;
}
.hex-avatar::before{
  content:'';position:absolute;inset:0;
  background:var(--gd2);
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  opacity:.15;
}
.hex-avatar::after{
  content:'';position:absolute;inset:-3px;
  background:var(--gd2);
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  opacity:.25;z-index:-1;
}
.hex-inner{
  width:230px;height:230px;
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  background:var(--surf2);overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  font-size:6rem;animation:floatY 7s ease-in-out infinite;
  box-shadow:0 20px 60px var(--shl);
}
.hex-inner img{width:100%;height:100%;object-fit:cover}

/* Floating stat badges */
.float-badge{
  position:absolute;
  background:var(--surf);border:1px solid rgba(124,58,237,0.3);
  border-radius:12px;padding:.6rem .9rem;
  box-shadow:0 8px 24px var(--sh);
  font-size:.78rem;font-weight:600;
  display:flex;align-items:center;gap:.5rem;
  animation:floatY 6s ease-in-out infinite;
}
.fb-1{top:10%;right:-30px;animation-delay:0s}
.fb-2{bottom:15%;left:-20px;animation-delay:2.5s}
.fb-val{font-family:var(--fd);font-size:1.1rem;font-weight:800;color:var(--g1)}
.fb-lbl{font-size:.68rem;color:var(--tx2)}

.about-text p{font-size:.94rem;color:var(--tx2);margin-bottom:1rem;line-height:1.85}
.about-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}

/* About detail cards */
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.5rem}
.about-mini{background:var(--surf);border:1px solid var(--gb);border-radius:var(--r);padding:1rem 1.1rem}
.about-mini h4{font-size:.78rem;font-weight:700;color:var(--g1);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.5rem}
.about-mini li{font-size:.8rem;color:var(--tx2);padding:.2rem 0 .2rem .9rem;position:relative}
.about-mini li::before{content:'▸';position:absolute;left:0;color:var(--g1);font-size:.65rem;top:.3rem}

/* ═══════════════════════════════════════════════════════════
   PROJECTS
═══════════════════════════════════════════════════════════ */

/* Filter bar */
.filter-bar{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--gb)}
.fb-btn{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.42rem 1rem;border-radius:99px;
  font-family:var(--fb);font-size:.8rem;font-weight:600;
  border:1px solid var(--gb);background:var(--glass);color:var(--tx2);
  cursor:pointer;transition:all .2s var(--sp);white-space:nowrap;
}
.fb-btn:hover{border-color:var(--g1);color:var(--g1);background:rgba(124,58,237,0.08)}
.fb-btn.active{background:var(--gd2);border-color:transparent;color:#ffffff;box-shadow:0 4px 14px var(--glow)}
.fb-cnt{font-size:.7rem;padding:.04rem .4rem;border-radius:99px;background:rgba(255,255,255,.15);font-weight:700}
.fb-btn:not(.active) .fb-cnt{background:var(--gb);color:var(--tx2)}

.result-lbl{font-size:.8rem;color:var(--tx2);margin-bottom:1.5rem;font-family:var(--fm)}
.result-lbl span{color:var(--g1);font-weight:700}

/* Project grid */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.proj-item{
  background:var(--surf);border:1px solid var(--gb);border-radius:var(--rl);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s var(--sp),border-color .3s,box-shadow .3s;
  position:relative;
}
.proj-item:hover{transform:translateY(-6px);border-color:rgba(124,58,237,0.45);box-shadow:0 20px 50px var(--sh),0 0 40px var(--glow)}
.proj-item.hidden{display:none}

/* Thumbnail */
.pi-thumb{
  height:148px;display:flex;align-items:center;justify-content:center;
  font-size:3.2rem;position:relative;overflow:hidden;flex-shrink:0;
}
.pi-thumb::before{content:'';position:absolute;inset:0;background:var(--gd);opacity:.07;transition:opacity .3s}
.proj-item:hover .pi-thumb::before{opacity:.14}

/* Grid lines decoration on thumb */
.pi-thumb::after{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(34,211,238,0.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(34,211,238,0.06) 1px,transparent 1px);
  background-size:20px 20px;
}

.pi-num{
  position:absolute;bottom:.4rem;right:.75rem;
  font-family:var(--fd);font-size:3.5rem;font-weight:900;line-height:1;
  background:var(--gd2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  opacity:.14;pointer-events:none;transition:opacity .3s;
}
.proj-item:hover .pi-num{opacity:.3}

/* Category badges */
.pi-cat{
  position:absolute;top:.7rem;left:.7rem;
  padding:.24rem .65rem;border-radius:99px;
  font-size:.66rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.12);
}
.cat-cv  {background:rgba(139,92,246,.75);color:#fff}
.cat-ml  {background:rgba(124,58,237,.8);color:#ffffff}
.cat-eda {background:rgba(16,185,129,.75);color:#fff}
.cat-sql {background:rgba(59,130,246,.75);color:#fff}
.cat-dash{background:rgba(239,68,68,.75);color:#fff}
[data-theme="light"] .cat-ml{background:rgba(180,83,9,.85);color:#fff}

.pi-body{padding:1.25rem 1.4rem 1.5rem;display:flex;flex-direction:column;flex:1}
.pi-type{font-size:.66rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--g1);margin-bottom:.42rem;font-family:var(--fm)}
.pi-title{font-family:var(--fd);font-size:1rem;font-weight:700;letter-spacing:-.015em;line-height:1.3;margin-bottom:.5rem}
.pi-desc{font-size:.84rem;color:var(--tx2);line-height:1.72;margin-bottom:.9rem;flex:1}
.pi-tags{display:flex;flex-wrap:wrap;gap:.32rem;margin-bottom:1rem}
.pi-links{display:flex;gap:.45rem;margin-top:auto}
.pi-btn{
  display:inline-flex;align-items:center;gap:.3rem;
  padding:.34rem .82rem;border-radius:8px;font-size:.77rem;font-weight:600;
  border:1px solid var(--gb);background:var(--glass);color:var(--tx2);
  transition:all .2s var(--sp);cursor:pointer;
}
.pi-btn:hover{border-color:var(--g1);color:var(--g1);background:rgba(124,58,237,0.08);transform:translateY(-2px)}
.pi-btn.gold{background:var(--gd2);border-color:transparent;color:#ffffff;box-shadow:0 3px 10px var(--glow)}
.pi-btn.gold:hover{transform:translateY(-2px);box-shadow:0 6px 18px var(--glow)}

/* ═══════════════════════════════════════════════════════════
   CERTIFICATIONS
═══════════════════════════════════════════════════════════ */
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.75rem}
.cert-card{
  border-radius:var(--rl);overflow:hidden;
  background:var(--surf);border:1px solid var(--gb);
  transition:transform .3s var(--sp),border-color .3s,box-shadow .3s;position:relative;
}
.cert-card:hover{transform:translateY(-6px);border-color:rgba(124,58,237,0.45);box-shadow:0 20px 50px var(--sh),0 0 35px var(--glow)}
.cert-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,transparent 40%,rgba(124,58,237,0.04) 50%,transparent 60%);
  background-size:200% 100%;opacity:0;transition:opacity .3s;
}
.cert-card:hover::after{opacity:1;animation:shimmer .8s ease forwards}
.cert-img{width:100%;height:190px;background:var(--bg3);overflow:hidden;position:relative}
.cert-img img{width:100%;height:100%;object-fit:cover;filter:brightness(.85) saturate(1.1);transition:filter .4s,transform .5s}
.cert-card:hover .cert-img img{filter:brightness(1) saturate(1.2);transform:scale(1.04)}
.cert-badge{
  position:absolute;top:.8rem;left:.8rem;
  padding:.26rem .68rem;border-radius:99px;
  font-size:.68rem;font-weight:700;
  background:rgba(8,8,8,.75);color:var(--g3);
  backdrop-filter:blur(8px);border:1px solid rgba(124,58,237,0.3);
  letter-spacing:.06em;
}
[data-theme="light"] .cert-badge{background:rgba(250,248,244,.85)}
.cert-body{padding:1.4rem 1.5rem 1.6rem}
.cert-meta{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--g1);margin-bottom:.45rem;font-family:var(--fm)}
.cert-title{font-family:var(--fd);font-size:1.05rem;font-weight:700;letter-spacing:-.015em;margin-bottom:.55rem;line-height:1.3}
.cert-desc{font-size:.855rem;color:var(--tx2);line-height:1.72;margin-bottom:1rem}
.cert-cta{display:inline-flex;align-items:center;gap:.35rem;font-size:.84rem;font-weight:600;color:var(--g1);transition:gap .2s}
.cert-cta:hover{gap:.6rem}

/* Achievement cards */
.ach-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem;margin-top:2rem}
.ach-card{
  background:var(--surf);border:1px solid var(--gb);border-radius:var(--r);
  padding:1.25rem;display:flex;align-items:flex-start;gap:.9rem;
  transition:transform .25s var(--sp),border-color .25s,box-shadow .25s;
}
.ach-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,0.35);box-shadow:0 10px 28px var(--sh)}
.ach-icon{width:42px;height:42px;border-radius:11px;background:rgba(124,58,237,0.1);border:1px solid rgba(124,58,237,0.2);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.ach-info h4{font-size:.9rem;font-weight:700;font-family:var(--fd);margin-bottom:.25rem}
.ach-info p{font-size:.8rem;color:var(--tx2);line-height:1.6}

/* ═══════════════════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════════════════ */
.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:3.5rem;align-items:start}
.contact-desc{font-size:.92rem;color:var(--tx2);line-height:1.8;margin-bottom:1.5rem}

.ci-list li{
  display:flex;align-items:center;gap:.85rem;
  padding:.7rem 0;border-bottom:1px solid var(--gb);
  font-size:.875rem;color:var(--tx2);
}
.ci-list li:last-child{border-bottom:none}
.ci-list strong{color:var(--tx);font-weight:500;min-width:50px}
.ci-ico{
  width:34px;height:34px;border-radius:9px;
  background:rgba(124,58,237,0.1);border:1px solid rgba(124,58,237,0.2);
  display:flex;align-items:center;justify-content:center;font-size:.9rem;flex-shrink:0;
}

.social-row{display:flex;gap:.6rem;margin-top:1.75rem}
.soc{
  width:40px;height:40px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  font-size:.78rem;font-weight:700;color:#fff;
  transition:transform .2s var(--sp),box-shadow .2s;
}
.soc:hover{transform:translateY(-4px)}
.soc-li{background:#0a66c2;box-shadow:0 4px 14px rgba(10,102,194,.35)}
.soc-gh{background:#24292f;box-shadow:0 4px 14px rgba(36,41,47,.5)}
.soc-ig{background:linear-gradient(135deg,#f97316,#ec4899);box-shadow:0 4px 14px rgba(249,115,22,.35)}
.soc-tw{background:#000;box-shadow:0 4px 14px rgba(0,0,0,.4)}

/* Form */
.contact-form{
  background:var(--surf);border:1px solid var(--gb);border-radius:var(--rl);
  padding:2.25rem;position:relative;overflow:hidden;
  box-shadow:0 10px 40px var(--sh);
}
.contact-form::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gd2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-group{margin-bottom:1rem}
label{display:block;font-size:.72rem;font-weight:600;color:var(--tx2);margin-bottom:.38rem;text-transform:uppercase;letter-spacing:.08em;font-family:var(--fm)}
input,select,textarea{
  width:100%;padding:.65rem .95rem;
  background:var(--bg2);border:1px solid var(--gb2);border-radius:9px;
  font-family:var(--fb);font-size:.875rem;color:var(--tx);outline:none;
  transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;
}
input::placeholder,textarea::placeholder{color:var(--tx3)}
select option{background:var(--bg2);color:var(--tx)}
input:focus,select:focus,textarea:focus{border-color:var(--g1);box-shadow:0 0 0 3px rgba(124,58,237,0.14)}
textarea{resize:vertical;min-height:115px}

/* ═══════════════════════════════════════════════════════════
   PAGE HERO (inner pages)
═══════════════════════════════════════════════════════════ */
.page-hero{
  padding:5.5rem 0 4rem;background:var(--bg2);
  border-bottom:1px solid var(--gb);position:relative;overflow:hidden;z-index:2;
}
.ph-orb{
  position:absolute;width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,58,237,0.18),transparent 70%);
  top:50%;right:-150px;transform:translateY(-50%);
  filter:blur(60px);pointer-events:none;
}
.ph-c{position:relative;z-index:1}
.ph-c h1{font-family:var(--fd);font-size:clamp(2rem,3.5vw+.5rem,3rem);font-weight:900;letter-spacing:-.035em;margin-bottom:.9rem;line-height:1.12}
.ph-c p{color:var(--tx2);font-size:.95rem;max-width:36rem;line-height:1.8}
.ph-actions{display:flex;gap:.75rem;margin-top:1.75rem;flex-wrap:wrap}

/* ═══════════════════════════════════════════════════════════
   CTA BOX
═══════════════════════════════════════════════════════════ */
.cta-box{
  background:var(--surf);border:1px solid var(--gb);border-radius:var(--rl);
  padding:2.75rem 3rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;
  position:relative;overflow:hidden;
}
.cta-box::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gd2)}
.cta-box::after{
  content:'';position:absolute;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,58,237,0.12),transparent);
  right:-60px;top:-100px;pointer-events:none;filter:blur(40px);
}
.cta-box h2{font-family:var(--fd);font-size:1.55rem;font-weight:800;letter-spacing:-.025em;margin-bottom:.35rem}
.cta-box p{font-size:.9rem;color:var(--tx2)}

/* ═══════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════ */
.footer{background:var(--bg);border-top:1px solid var(--gb);padding:2rem 0;position:relative;z-index:2}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}
.footer-logo{font-family:var(--fd);font-size:1rem;font-weight:800}
.footer-logo span{color:var(--g1)}
.footer-copy{font-size:.78rem;color:var(--tx3);font-family:var(--fm)}
.footer-nav{display:flex;gap:1.1rem;flex-wrap:wrap}
.footer-nav a{font-size:.78rem;color:var(--tx3);transition:color .2s}
.footer-nav a:hover{color:var(--g1)}

/* Scrollbar */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:rgba(124,58,237,.3);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--g1)}
::selection{background:rgba(124,58,237,0.25);color:var(--tx)}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:2.5rem;padding:5rem 0 4rem}
  .hero-panel{max-width:520px}
  .proj-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:2.5rem}
}
@media(max-width:900px){
  .contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .cert-grid{grid-template-columns:1fr}
  .about-photo-wrap{order:-1}
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    background:var(--navbg);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--gb);flex-direction:column;
    align-items:stretch;padding:.75rem 1.5rem 1.5rem;gap:.15rem;
    max-height:0;overflow:hidden;opacity:0;transform:translateY(-8px);
    transition:max-height .35s var(--ease),opacity .3s,transform .3s;
  }
  .navbar.nav-open .nav-links{max-height:450px;opacity:1;transform:none}
  .nav-links a{padding:.62rem .75rem;font-size:.95rem}
  .nav-links a::after{display:none}
  .nav-inner{position:relative}
  .about-cards{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container{padding:0 1.25rem}
  .section{padding:4rem 0}
  .hero-inner{padding:4rem 0 3rem}
  .page-hero{padding:3.5rem 0 3rem}
  .hero-title{font-size:clamp(2.1rem,9vw,3rem)}
  .st{font-size:1.55rem}
  .proj-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .cta-box{flex-direction:column;align-items:flex-start;padding:2rem 1.75rem}
  .cta-box .btn-gold{width:100%;justify-content:center}
  .hero-stats{gap:1.5rem}
  .ach-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;align-items:flex-start;gap:.5rem}
  .logo{position:static;left:auto;transform:none}
  .theme-toggle{display:none!important}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  [data-r]{opacity:1!important;transform:none!important}
}

/* ── Lucide Icon Helpers ─────────────────────────────────── */
.ic{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.ic svg{width:1em;height:1em;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ic-sm svg{width:.85em;height:.85em}
.ic-lg svg{width:1.5em;height:1.5em}
.ic-xl svg{width:2em;height:2em}
.ic-2xl svg{width:2.5rem;height:2.5rem}
.ic-hero svg{width:3.2rem;height:3.2rem}

/* ── Responsive fixes ───────────────────────────────────── */
@media(max-width:480px){
  .hero-inner{padding:3.5rem 0 3rem}
  .hero-stats{gap:1rem;flex-wrap:wrap}
  .hero-stats>div{min-width:calc(50% - .5rem)}
  .dv-card{padding:1rem}
  .contact-form{padding:1.5rem 1.25rem}
  .form-row{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
  .pi-tags{gap:.25rem}
  .filter-bar{gap:.35rem}
  .fb-btn{font-size:.72rem;padding:.35rem .7rem}
  .proj-grid{grid-template-columns:1fr}
  .sh{margin-bottom:2rem}
  .st{font-size:1.4rem}
  .ach-grid{grid-template-columns:1fr!important}
  .about-cards{grid-template-columns:1fr}
  .float-badge{display:none}
  .cta-box{padding:1.75rem 1.25rem}
  .pi-links{flex-wrap:wrap}
  .social-row{flex-wrap:wrap}
}
@media(max-width:360px){
  .container{padding:0 1rem}
  .hero-title{font-size:2rem}
  .logo{font-size:1rem}
}
/* tablet-specific tweaks */
@media(min-width:641px) and (max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:2rem;padding:5rem 0 4rem}
  .hero-panel{max-width:100%}
  .proj-grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:1fr}
}