:root {
  --white:   #ffffff;
  --bg:      #f7f8fc;
  --bg2:     #eef0f8;
  --ink:     #0a0b0f;
  --ink2:    #3c3f52;
  --ink3:    #7c8099;
  --blue:    #0066ff;
  --blue2:   #338fff;
  --blue-bg: rgba(0,102,255,0.07);
  --blue-bd: rgba(0,102,255,0.18);
  --green:   #00b37e;
  --green-bg:rgba(0,179,126,0.08);
  --border:  #e4e6f0;
  --border2: #cfd2e3;
  --shadow:  0 1px 3px rgba(10,11,15,0.06), 0 4px 16px rgba(10,11,15,0.05);
  --shadow2: 0 4px 24px rgba(10,11,15,0.10), 0 1px 4px rgba(10,11,15,0.06);
  --shadow3: 0 12px 48px rgba(10,11,15,0.13);
  --r:       12px;
  --r2:      16px;
  --r3:      20px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--white); color: var(--ink); overflow-x: hidden; line-height: 1.6; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(255,255,255,0.88); backdrop-filter: blur(20px) saturate(180%); border-bottom: 1px solid var(--border); transition: box-shadow 0.3s; }
nav.scrolled { box-shadow: var(--shadow); }
.nav-inner { max-width: 1180px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 32px; height: 64px; }
.logo { font-size: 1rem; font-weight: 800; color: var(--ink); text-decoration: none; letter-spacing: -0.02em; display: flex; align-items: center; gap: 8px; }
.logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--ink2); text-decoration: none; padding: 7px 14px; border-radius: 8px; transition: background 0.15s, color 0.15s; }
.nav-links a:hover { background: var(--bg); color: var(--ink); }
.nav-links a.active { color: var(--blue); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.btn { display: inline-flex; align-items: center; gap: 7px; font-family: 'Plus Jakarta Sans', sans-serif; font-size: 0.85rem; font-weight: 600; padding: 9px 20px; border-radius: 9px; text-decoration: none; border: none; cursor: pointer; transition: all 0.18s; letter-spacing: -0.01em; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--blue); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,102,255,0.3); }
.btn-ghost { background: transparent; color: var(--ink2); border: 1.5px solid var(--border2); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); background: var(--bg); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: #0055dd; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(0,102,255,0.35); }
.hamburger { display: none; flex-direction: column; gap: 5px; border: none; background: none; cursor: pointer; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; display: block; transition: all 0.3s; }
.mob { display: none; position: fixed; inset: 0; top: 64px; z-index: 99; background: var(--white); flex-direction: column; align-items: center; justify-content: center; gap: 24px; }
.mob.open { display: flex; }
.mob a { font-size: 1.4rem; font-weight: 700; color: var(--ink); text-decoration: none; }

/* LAYOUT */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.section { padding: 100px 0; }
.section.alt { background: var(--bg); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blue); margin-bottom: 16px; font-family: 'Fira Code', monospace; }
h2 { font-size: clamp(2rem, 3.5vw, 2.8rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; color: var(--ink); margin-bottom: 16px; }
h2 span { color: var(--blue); }
.sub { font-size: 1rem; color: var(--ink3); max-width: 520px; line-height: 1.75; margin-bottom: 56px; }

/* HERO */
#hero { min-height: 100vh; display: flex; align-items: center; padding-top: 64px; position: relative; overflow: hidden; }
#hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 50% at 70% 40%, rgba(0,102,255,0.07) 0%, transparent 60%), radial-gradient(ellipse 40% 40% at 20% 70%, rgba(0,179,126,0.05) 0%, transparent 55%); pointer-events: none; }
#hero::after { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle, var(--border) 1px, transparent 1px); background-size: 32px 32px; opacity: 0.6; pointer-events: none; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 460px; gap: 72px; align-items: center; width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 32px 60px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; font-weight: 500; color: var(--green); background: var(--green-bg); border: 1px solid rgba(0,179,126,0.2); padding: 6px 14px; border-radius: 20px; margin-bottom: 28px; margin-top: 10px;}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.8)} }
h1 { font-size: clamp(2.8rem, 5.5vw, 4.4rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1.05; color: var(--ink); margin-bottom: 24px; }
h1 .blue { color: var(--blue); }
h1 .sub-line { display: block; font-weight: 300; color: var(--ink2); font-size: 0.72em; letter-spacing: -0.02em; margin-top: 6px; }
.hero-desc { font-size: 1.05rem; color: var(--ink2); max-width: 500px; line-height: 1.75; margin-bottom: 36px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 40px; padding-top: 28px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.hs-num { font-size: 1.8rem; font-weight: 800; letter-spacing: -0.04em; color: var(--ink); line-height: 1; }
.hs-num span { color: var(--blue); }
.hs-lbl { font-size: 0.78rem; color: var(--ink3); margin-top: 4px; font-weight: 500; }

/* Hero card */
.hero-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--r3); box-shadow: var(--shadow3); overflow: hidden; }
.hc-top { background: linear-gradient(135deg, #0a0b0f 0%, #1a2040 100%); padding: 32px; position: relative; overflow: hidden; }
.hc-top::before { content: ''; position: absolute; top: -40px; right: -40px; width: 160px; height: 160px; border-radius: 50%; background: radial-gradient(circle, rgba(0,102,255,0.3) 0%, transparent 70%); }
.hc-avatar { width: 72px; height: 72px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), #338fff); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; margin-bottom: 14px; border: 3px solid rgba(255,255,255,0.12); overflow: hidden; }
.hc-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.hc-name { font-size: 1.15rem; font-weight: 800; color: #fff; letter-spacing: -0.02em; margin-bottom: 3px; }
.hc-role { font-size: 0.8rem; color: rgba(255,255,255,0.5); }
.hc-loc { display: flex; align-items: center; gap: 6px; font-size: 0.75rem; color: rgba(255,255,255,0.35); margin-top: 8px; }
.hc-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.hc-row { display: flex; align-items: center; justify-content: space-between; padding: 11px 13px; border-radius: 9px; background: var(--bg); border: 1px solid var(--border); }
.hc-row-l { font-size: 0.82rem; color: var(--ink2); font-weight: 500; display: flex; align-items: center; gap: 7px; }
.hc-row-v { font-size: 0.8rem; font-weight: 700; color: var(--blue); font-family: 'Fira Code', monospace; }
.hc-tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 2px 0; }
.hctag { font-size: 0.7rem; font-weight: 500; padding: 4px 10px; border-radius: 6px; background: var(--blue-bg); border: 1px solid var(--blue-bd); color: var(--blue); }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.about-p { font-size: 0.97rem; color: var(--ink2); line-height: 1.8; margin-bottom: 18px; }
.about-quote { font-size: 1.05rem; font-style: italic; font-weight: 500; color: var(--ink); border-left: 3px solid var(--blue); padding: 14px 20px; background: var(--blue-bg); border-radius: 0 10px 10px 0; margin: 28px 0; line-height: 1.65; }
.vgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.vcard { background: var(--white); border: 1px solid var(--border); border-radius: var(--r2); padding: 22px; box-shadow: var(--shadow); transition: all 0.22s; }
.vcard:hover { border-color: var(--blue); box-shadow: var(--shadow2); transform: translateY(-3px); }
.vcard-icon { font-size: 1.4rem; margin-bottom: 12px; display: block; }
.vcard-title { font-size: 0.88rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.vcard-text { font-size: 0.8rem; color: var(--ink3); line-height: 1.6; }

/* PROJECTS */
.pgrid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.pcard { background: var(--white); border: 1px solid var(--border); border-radius: var(--r3); overflow: hidden; box-shadow: var(--shadow); transition: all 0.25s; display: flex; flex-direction: column; }
.pcard:hover { border-color: var(--blue-bd); box-shadow: var(--shadow3); transform: translateY(-5px); }
.pcard.feat { grid-column: span 2; }
.pvis { height: 200px; display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0; }
.pcard.feat .pvis { height: 240px; }
.pv-teal  { background: linear-gradient(135deg,#031a16,#062e28,#0a4a3e); }
.pv-dark  { background: linear-gradient(135deg,#0a0b14,#12162a); }
.pv-blue  { background: linear-gradient(135deg,#0a0f2e,#0d2060,#0a3090); }
.pv-slate { background: linear-gradient(135deg,#1a0a2e,#2a1060); }
.pv-green { background: linear-gradient(135deg,#041a0a,#083020); }
.pv-warm  { background: linear-gradient(135deg,#1a0e04,#2e1a06); }
.pvis svg { width: 100%; height: 100%; }
.pbody { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }
.plabel { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase; color: var(--blue); font-family: 'Fira Code', monospace; margin-bottom: 8px; }
.ptitle { font-size: 1rem; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; margin-bottom: 8px; line-height: 1.3; }
.pdesc { font-size: 0.82rem; color: var(--ink3); line-height: 1.65; flex: 1; }
.pfoot { display: flex; flex-wrap: wrap; gap: 6px; padding: 14px 24px; border-top: 1px solid var(--border); flex-shrink: 0; }
.ptag { font-family: 'Fira Code', monospace; font-size: 0.65rem; padding: 3px 9px; border-radius: 5px; background: var(--bg); border: 1px solid var(--border); color: var(--ink3); }

/* EXPERIENCE */
.exp-list { display: flex; flex-direction: column; }
.exp-item { display: grid; grid-template-columns: 200px 1fr; padding: 40px 0; border-top: 1px solid var(--border); gap: 48px; }
.exp-item:last-child { border-bottom: 1px solid var(--border); }
.exp-date { font-family: 'Fira Code', monospace; font-size: 0.72rem; color: var(--blue); font-weight: 500; margin-bottom: 6px; }
.exp-loc { font-size: 0.78rem; color: var(--ink3); }
.exp-role { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); margin-bottom: 4px; }
.exp-co { font-size: 0.88rem; color: var(--blue); font-weight: 600; margin-bottom: 18px; }
.exp-pts { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.exp-pts li { font-size: 0.86rem; color: var(--ink2); padding-left: 18px; position: relative; line-height: 1.6; }
.exp-pts li::before { content: '→'; position: absolute; left: 0; color: var(--blue); font-size: 0.75rem; top: 1px; }
.exp-hl { display: inline-flex; align-items: center; gap: 7px; font-size: 0.75rem; font-weight: 600; font-family: 'Fira Code', monospace; color: var(--green); background: var(--green-bg); border: 1px solid rgba(0,179,126,0.2); padding: 5px 12px; border-radius: 6px; margin-top: 16px; }

/* SKILLS */
.sk-two { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.sg { margin-bottom: 28px; }
.sg-head { display: flex; align-items: center; gap: 10px; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink2); margin-bottom: 14px; font-family: 'Fira Code', monospace; }
.sg-ico { width: 28px; height: 28px; border-radius: 6px; background: var(--blue-bg); border: 1px solid var(--blue-bd); display: flex; align-items: center; justify-content: center; font-size: 0.85rem; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tag { font-size: 0.75rem; font-weight: 500; padding: 5px 12px; border-radius: 7px; background: var(--bg); border: 1px solid var(--border); color: var(--ink2); transition: all 0.18s; }
.tag:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-bg); }
.tag.key { background: var(--blue-bg); border-color: var(--blue-bd); color: var(--blue); font-weight: 600; }
.tag.ai { background: var(--green-bg); border-color: rgba(0,179,126,0.2); color: var(--green); font-weight: 600; }
.mlist { display: flex; flex-direction: column; gap: 18px; }
.meter { }
.mhead { display: flex; justify-content: space-between; margin-bottom: 8px; }
.mname { font-size: 0.85rem; font-weight: 600; color: var(--ink); }
.mpct { font-family: 'Fira Code', monospace; font-size: 0.75rem; color: var(--ink3); }
.mtrack { height: 6px; background: var(--bg2); border-radius: 3px; overflow: hidden; }
.mfill { height: 100%; border-radius: 3px; width: 0; background: linear-gradient(90deg,var(--blue),var(--blue2)); transition: width 1.2s cubic-bezier(0.4,0,0.2,1); }
.mfill.g { background: linear-gradient(90deg,var(--green),#33d9a0); }

/* CONTACT */
.ct-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.ci-list { display: flex; flex-direction: column; gap: 2px; margin-bottom: 32px; }
.ci { display: flex; align-items: center; gap: 16px; padding: 14px; border-radius: var(--r); text-decoration: none; color: var(--ink); transition: background 0.18s; }
.ci:hover { background: var(--bg); }
.ci-ico { width: 40px; height: 40px; border-radius: 10px; background: var(--blue-bg); border: 1px solid var(--blue-bd); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.ci-lbl { font-size: 0.72rem; color: var(--ink3); font-weight: 500; margin-bottom: 2px; }
.ci-val { font-size: 0.9rem; font-weight: 600; color: var(--ink); }
.socs { display: flex; gap: 8px; padding: 0 14px; }
.soc { width: 38px; height: 38px; border-radius: 9px; border: 1.5px solid var(--border); background: var(--white); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; color: var(--ink2); text-decoration: none; font-family: 'Fira Code', monospace; transition: all 0.18s; }
.soc:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-bg); }
.form { display: flex; flex-direction: column; gap: 14px; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ff { display: flex; flex-direction: column; gap: 7px; }
.ff label { font-size: 0.76rem; font-weight: 600; color: var(--ink2); }
.ff input, .ff textarea { background: var(--bg); border: 1.5px solid var(--border); border-radius: 10px; padding: 12px 14px; font-family: 'Plus Jakarta Sans', sans-serif; font-size: 0.88rem; color: var(--ink); outline: none; resize: vertical; transition: border-color 0.18s, background 0.18s; }
.ff input:focus, .ff textarea:focus { border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 3px rgba(0,102,255,0.08); }
.ff textarea { min-height: 110px; }
.fsub { background: var(--ink); color: var(--white); font-family: 'Plus Jakarta Sans', sans-serif; font-size: 0.88rem; font-weight: 700; padding: 14px; border-radius: 10px; border: none; cursor: pointer; transition: all 0.18s; }
.fsub:hover { background: var(--blue); box-shadow: 0 4px 20px rgba(0,102,255,0.35); transform: translateY(-1px); }
.fok { display: none; font-size: 0.82rem; text-align: center; padding: 10px; border-radius: 8px; background: var(--green-bg); color: var(--green); border: 1px solid rgba(0,179,126,0.2); }
.fok.show { display: block; }

/* FOOTER */
footer { background: var(--ink); padding: 28px 32px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.flogo { font-size: 0.95rem; font-weight: 800; color: #fff; letter-spacing: -0.02em; display: flex; align-items: center; gap: 8px; }
.fdot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.fcopy { font-size: 0.75rem; color: rgba(255,255,255,0.32); font-family: 'Fira Code', monospace; }
.fsocs { display: flex; gap: 8px; }
.fsoc { width: 34px; height: 34px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.1); background: transparent; color: rgba(255,255,255,0.4); display: flex; align-items: center; justify-content: center; text-decoration: none; font-size: 0.7rem; font-weight: 700; font-family: 'Fira Code', monospace; transition: all 0.18s; }
.fsoc:hover { border-color: var(--blue); color: var(--blue); }

/* REVEAL */
.rv { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.rv.in { opacity: 1; transform: none; }
.d1{transition-delay:0.08s} .d2{transition-delay:0.16s} .d3{transition-delay:0.24s}

/* RESPONSIVE */
@media(max-width:960px){
  .nav-links,nav .btn-primary{display:none}
  .hamburger{display:flex}
  .nav-inner{padding:0 20px}
  .hero-inner{grid-template-columns:1fr;padding:40px 20px 60px;gap:48px}
  .wrap{padding:0 20px}
  .about-grid,.ct-wrap,.sk-two{grid-template-columns:1fr;gap:40px}
  .pgrid{grid-template-columns:1fr 1fr}
  .pcard.feat{grid-column:span 1}
  .exp-item{grid-template-columns:1fr;gap:16px}
  .vgrid{grid-template-columns:1fr 1fr}
  footer{flex-direction:column;text-align:center;padding:24px 20px}
}
@media(max-width:600px){
  .pgrid{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .vgrid{grid-template-columns:1fr}
}