/* ---------- Design tokens ---------- */
:root{
  --bg: #060a0f;
  --bg-alt: #080d14;
  --surface: #0d141d;
  --surface-2: #121b26;
  --border: #1c2733;
  --text: #e8f0ea;
  --text-dim: #93a5ab;
  --text-faint: #59707a;
  --accent: #39ff88;      /* terminal green */
  --accent-soft: #22c368;
  --accent-2: #fbbf24;    /* amber, secondary */
  --accent-3: #58c4ff;    /* cool blue, tertiary */
  --danger: #ff5f56;
  --grad: linear-gradient(120deg, var(--accent), var(--accent-3));
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.7);
  --maxw: 1120px;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --font-head: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --font-body: 'Inter', system-ui, sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{ font-family:var(--font-head); line-height:1.2; margin:0 0 .5em; font-weight:600; }
p{ margin:0 0 1em; color:var(--text-dim); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ list-style:none; margin:0; padding:0; }
code{ font-family:var(--font-mono); background:var(--surface-2); padding:.15em .45em; border-radius:5px; color:var(--accent); font-size:.9em; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }

.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.kicker{
  display:flex; align-items:center; gap:10px; justify-content:flex-start;
  text-transform:none;
  letter-spacing:.02em;
  font-family:var(--font-mono);
  font-size:.82rem;
  font-weight:500;
  color:var(--accent);
  margin-bottom:.9em;
}
.kicker.center{ justify-content:center; }
.kicker-num{
  color:var(--bg); background:var(--accent);
  font-size:.72rem; font-weight:700; padding:2px 7px; border-radius:4px;
}
.center{ text-align:center; }
.section-sub{ max-width:560px; margin:0 auto 2.5rem; color:var(--text-dim); }
.mono-dim{ font-family:var(--font-mono); color:var(--text-faint); }

/* ---------- Background fx ---------- */
#matrixRain{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  opacity:.14; mix-blend-mode:screen;
}
.scanlines{
  position:fixed; inset:0; z-index:2; pointer-events:none;
  background:repeating-linear-gradient(
    to bottom, rgba(255,255,255,.015) 0px, rgba(255,255,255,.015) 1px,
    transparent 1px, transparent 3px
  );
  opacity:.5;
}
.cursor-glow{
  position:fixed; inset:0; pointer-events:none; z-index:1;
  background:radial-gradient(600px circle at var(--x,50%) var(--y,20%), rgba(57,255,136,.06), transparent 60%);
  transition:background .1s linear;
}

/* ---------- Nav ---------- */
.nav-wrap{
  position:fixed; top:0; left:0; right:0; z-index:100;
  backdrop-filter:blur(14px) saturate(140%);
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s;
}
.nav-wrap.scrolled{ border-color:var(--border); }
.nav{
  max-width:var(--maxw); margin:0 auto; padding:16px 24px;
  display:flex; align-items:center; justify-content:space-between;
}
.logo{ font-family:var(--font-mono); font-weight:600; font-size:1rem; color:var(--text); }
.logo .at, .logo .colon{ color:var(--text-faint); }
.logo .tilde{ color:var(--accent); }
.nav-links{ display:flex; gap:1.75rem; }
.nav-links a{
  font-family:var(--font-mono);
  font-size:.85rem; font-weight:500; color:var(--text-dim);
  position:relative; padding:4px 0; transition:color .2s;
}
.nav-links a .ln{ color:var(--accent-2); }
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background:var(--grad); transition:width .25s;
}
.nav-links a:hover, .nav-links a.active{ color:var(--text); }
.nav-links a:hover::after, .nav-links a.active::after{ width:100%; }

.nav-cta{
  border:1px solid var(--border); padding:9px 16px; border-radius:6px;
  font-family:var(--font-mono); font-size:.78rem; font-weight:600; transition:.25s;
  color:var(--accent);
}
.nav-cta:hover{ background:var(--surface-2); border-color:var(--accent); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:6px;
}
.nav-toggle span{ width:22px; height:2px; background:var(--text); border-radius:2px; transition:.25s; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center;
  padding:130px 0 60px; overflow:hidden;
}
.hero-bg{ position:absolute; inset:0; z-index:0; }
.grid-overlay{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 60% 50% at 50% 30%, black, transparent);
  opacity:.5;
}
.blob{
  position:absolute; border-radius:50%; filter:blur(100px); opacity:.22;
  animation:float 12s ease-in-out infinite;
}
.blob-1{ width:420px; height:420px; background:var(--accent); top:-100px; right:-80px; }
.blob-2{ width:360px; height:360px; background:var(--accent-3); bottom:-120px; left:-60px; animation-delay:-6s; }
@keyframes float{
  0%,100%{ transform:translateY(0) translateX(0); }
  50%{ transform:translateY(-30px) translateX(20px); }
}

.hero-inner{ position:relative; z-index:1; }

/* Terminal window */
.terminal{
  background:rgba(13,20,29,.92); border:1px solid var(--border); border-radius:10px;
  max-width:560px; margin-bottom:2.25rem; box-shadow:var(--shadow);
  overflow:hidden; backdrop-filter:blur(6px);
}
.terminal-bar{
  display:flex; align-items:center; gap:8px; padding:10px 14px;
  background:var(--surface-2); border-bottom:1px solid var(--border);
}
.dot{ width:11px; height:11px; border-radius:50%; display:inline-block; }
.dot-r{ background:var(--danger); }
.dot-y{ background:#ffbd2e; }
.dot-g{ background:#27c93f; }
.terminal-title{ margin-left:8px; font-family:var(--font-mono); font-size:.72rem; color:var(--text-faint); }
.terminal-body{
  padding:16px 18px 20px; font-family:var(--font-mono); font-size:.85rem;
  color:var(--text-dim); min-height:132px;
}
.terminal-body .t-prompt{ color:var(--accent); }
.terminal-body .t-path{ color:var(--accent-3); }
.terminal-body .t-out{ color:var(--text); display:block; margin:2px 0 10px; }
.terminal-body .t-line{ display:block; margin-bottom:2px; }
.term-cursor{ display:inline-block; width:7px; height:14px; background:var(--accent); vertical-align:middle; animation:blink 1s step-end infinite; margin-left:2px; }
@keyframes blink{ 50%{ opacity:0; } }

.hero-title{ font-size:clamp(1.9rem, 5vw, 3.1rem); font-weight:600; letter-spacing:-.01em; }
.hero-sub{ max-width:560px; font-size:1.02rem; margin-top:1.1rem; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin:2rem 0; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 24px; border-radius:8px; font-weight:600; font-size:.85rem;
  font-family:var(--font-mono);
  transition:transform .2s, box-shadow .2s, background .2s, border-color .2s;
  border:1px solid transparent; cursor:pointer;
}
.btn-primary{ background:var(--grad); color:#04120a; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 30px -10px rgba(57,255,136,.45); }
.btn-ghost{ border-color:var(--border); background:var(--surface); color:var(--text); }
.btn-ghost:hover{ border-color:var(--accent); transform:translateY(-2px); }

.hero-stats{ display:flex; gap:2.25rem; margin-top:1rem; flex-wrap:wrap; }
.hero-stats strong{ display:block; font-family:var(--font-mono); font-size:1.4rem; color:var(--accent); }
.hero-stats span{ font-family:var(--font-mono); font-size:.72rem; color:var(--text-faint); letter-spacing:.02em; }

.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  width:26px; height:42px; border:2px solid var(--border); border-radius:14px;
  display:flex; justify-content:center; padding-top:8px; z-index:1;
}
.scroll-cue span{
  width:4px; height:8px; border-radius:2px; background:var(--accent);
  animation:scrollcue 1.6s ease infinite;
}
@keyframes scrollcue{
  0%{ opacity:1; transform:translateY(0); }
  70%{ opacity:0; transform:translateY(10px); }
  100%{ opacity:0; }
}

/* ---------- Sections ---------- */
.section{ padding:110px 0; position:relative; z-index:1; }
.section-alt{ background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section h2{ font-size:clamp(1.5rem, 3.5vw, 2.1rem); }

/* ---------- About ---------- */
.about-grid{ display:grid; grid-template-columns:.8fr 1.2fr; gap:64px; align-items:center; }
.about-media{ position:relative; }
.avatar-frame{
  border-radius:12px; overflow:hidden; border:1px solid var(--border);
  box-shadow:var(--shadow); max-width:360px; background:var(--surface);
}
.avatar-bar{ display:flex; gap:6px; padding:10px 12px; background:var(--surface-2); border-bottom:1px solid var(--border); }
.avatar-bar .dot{ width:9px; height:9px; }
.avatar-frame img{ width:100%; aspect-ratio:1/1; object-fit:cover; display:block; }
.about-badge{
  position:absolute; bottom:-20px; right:0; max-width:230px;
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:14px 16px; box-shadow:var(--shadow);
}
.about-badge strong{ display:block; font-family:var(--font-mono); color:var(--accent); font-size:1rem; }
.about-badge span{ font-size:.78rem; color:var(--text-dim); }

.about-facts{ display:flex; flex-direction:column; gap:10px; margin-top:1.5rem; }
.about-facts div{ display:flex; gap:10px; align-items:center; font-size:.92rem; color:var(--text-dim); font-family:var(--font-mono); }

/* ---------- Skills ---------- */
.skills-grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(150px,1fr));
  gap:14px; margin-top:2.5rem;
}
.skill-chip{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:18px 16px; text-align:center; transition:transform .25s, border-color .25s, background .25s;
}
.skill-chip:hover{ transform:translateY(-4px); border-color:var(--accent); background:var(--surface-2); }
.skill-chip .icon{ font-size:1.6rem; margin-bottom:8px; }
.skill-chip .name{ font-weight:600; font-size:.85rem; font-family:var(--font-mono); }
.skill-chip .cat{ font-size:.7rem; color:var(--text-faint); margin-top:2px; }

/* ---------- Projects ---------- */
.projects-grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(300px,1fr)); gap:22px;
}
.projects-grid-featured{
  grid-template-columns:repeat(2, minmax(280px, 1fr));
  max-width:840px; margin:0 auto;
}
.projects-grid-featured .project-card{ padding:30px; }
.project-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px; display:flex; flex-direction:column; gap:12px;
  transition:transform .3s, border-color .3s, box-shadow .3s;
  opacity:1; transform:scale(1);
}
.project-card.hidden{ display:none; }
.project-card:hover{ transform:translateY(-6px); border-color:var(--accent); box-shadow:var(--shadow); }
.project-top{ display:flex; align-items:center; justify-content:space-between; }
.project-tag{
  font-family:var(--font-mono);
  font-size:.66rem; font-weight:700; text-transform:lowercase; letter-spacing:.02em;
  padding:4px 9px; border-radius:5px; background:var(--surface-2); color:var(--accent);
}
.project-lang{ font-family:var(--font-mono); font-size:.72rem; color:var(--text-faint); display:flex; align-items:center; gap:6px; }
.lang-dot{ width:8px; height:8px; border-radius:50%; background:var(--accent-2); flex-shrink:0; }
.project-card h3{ font-size:1.05rem; margin:0; }
.project-card p{ font-size:.88rem; flex-grow:1; margin:0; }
.project-links{ display:flex; gap:14px; margin-top:6px; }
.project-links a{
  font-family:var(--font-mono);
  font-size:.78rem; font-weight:600; color:var(--text); display:inline-flex; align-items:center; gap:6px;
  border-bottom:1px solid transparent; transition:.2s;
}
.project-links a:hover{ color:var(--accent); border-color:var(--accent); }
.project-private{
  font-family:var(--font-mono); font-size:.72rem; color:var(--text-faint);
  background:var(--surface-2); border:1px dashed var(--border); border-radius:5px;
  padding:3px 8px;
}
.projects-more{ text-align:center; margin-top:3rem; }

/* ---------- GitHub Activity ---------- */
.activity-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:2.5rem;
}
.activity-slot{ position:relative; min-height:60px; }
.activity-slot.wide{ grid-column:1 / -1; }
.activity-card{
  width:100%; border:1px solid var(--border); border-radius:var(--radius);
  background:var(--surface); box-shadow:var(--shadow); display:block;
}
.activity-card.broken{ display:none; }
.activity-fallback{
  display:none; align-items:center; gap:6px; flex-wrap:wrap;
  font-family:var(--font-mono); font-size:.82rem; color:var(--text-faint);
  background:var(--surface); border:1px dashed var(--border); border-radius:var(--radius);
  padding:22px; margin:0; transition:border-color .2s, color .2s;
}
.activity-fallback span{ color:var(--accent); }
a.activity-fallback:hover{ border-color:var(--accent); color:var(--text); }
.activity-fallback.show{ display:flex; }

/* ---------- Git log (Journey) ---------- */
.gitlog{ max-width:720px; margin:3rem auto 0; display:flex; flex-direction:column; gap:14px; }
.commit{
  background:var(--surface); border:1px solid var(--border); border-left:3px solid var(--accent);
  border-radius:var(--radius-sm); padding:20px 22px; font-family:var(--font-mono);
  transition:border-color .25s, transform .25s;
}
.commit:hover{ transform:translateX(4px); border-left-color:var(--accent-2); }
.commit-head{ display:flex; align-items:center; gap:10px; margin-bottom:6px; flex-wrap:wrap; }
.commit-hash{ color:var(--accent-2); font-weight:600; font-size:.82rem; }
.commit-branch{ color:var(--accent-3); font-size:.78rem; }
.commit-meta{ font-size:.76rem; color:var(--text-faint); margin:0 0 2px; }
.commit-msg{ font-family:var(--font-body); font-size:1rem; color:var(--text); margin:.6em 0 .3em; font-weight:600; }
.commit-body{ font-family:var(--font-body); font-size:.88rem; margin:0; }

/* ---------- Contact ---------- */
.contact-links{ display:flex; gap:16px; flex-wrap:wrap; justify-content:center; margin-top:2rem; }
.contact-card{
  display:flex; align-items:center; gap:10px;
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:16px 22px; font-family:var(--font-mono); font-size:.85rem; font-weight:600; transition:.25s;
}
a.contact-card:hover{ transform:translateY(-4px); border-color:var(--accent); color:var(--accent); }
.contact-static{ color:var(--text-dim); }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--border); padding:28px 0; position:relative; z-index:1; }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px; }
.footer-inner p{ margin:0; font-size:.8rem; color:var(--text-faint); font-family:var(--font-mono); }
.footer-links{ display:flex; gap:20px; }
.back-top{ font-family:var(--font-mono); font-size:.8rem; font-weight:600; color:var(--text-dim); transition:.2s; }
.back-top:hover{ color:var(--accent); }

/* ---------- Reveal-on-scroll ---------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .about-grid{ grid-template-columns:1fr; }
  .about-media{ max-width:320px; margin:0 auto; }
  .activity-grid{ grid-template-columns:1fr; }
}
@media (max-width:760px){
  .nav-toggle{ display:flex; }
  .nav-links{
    position:fixed; top:60px; left:0; right:0; flex-direction:column; gap:0;
    background:var(--bg); border-bottom:1px solid var(--border);
    max-height:0; overflow:hidden; transition:max-height .3s ease;
  }
  .nav-links.open{ max-height:400px; }
  .nav-links li{ border-top:1px solid var(--border); }
  .nav-links a{ display:block; padding:16px 24px; }
  .nav-links a::after{ display:none; }
  .nav-cta{ display:none; }
  .hero{ padding-top:100px; }
  .section{ padding:80px 0; }
  .terminal{ max-width:100%; }
}