/* =====================================================================
   Konstantinos Zervakis — zervakisai.github.io
   "Neural Obsidian" — dark, glow, AI-native
   ===================================================================== */

:root {
  /* Canvas */
  --bg:        #05060A;
  --bg-2:      #080A11;
  --bg-3:      #0B0E16;
  --surface:   rgba(255, 255, 255, 0.024);
  --surface-2: rgba(255, 255, 255, 0.05);
  --border:    rgba(255, 255, 255, 0.09);
  --border-2:  rgba(255, 255, 255, 0.14);

  /* Ink */
  --text:  #EAF0F6;
  --muted: #838F9F;
  --faint: #4C5665;

  /* Signal — mint-cyan dominant, gold secondary, magenta spark */
  --cyan:        #5EEAD4;
  --cyan-bright: #86FFEC;
  --gold:        #F2C46B;
  --magenta:     #FF6BAE;

  --glow-cyan: 94, 234, 212;
  --glow-gold: 242, 196, 107;

  --grad: linear-gradient(112deg, var(--cyan) 0%, var(--cyan-bright) 35%, var(--gold) 100%);

  /* System */
  --font-display: 'Clash Display', 'Satoshi', system-ui, sans-serif;
  --font-body:    'Satoshi', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --maxw: 1240px;
  --pad: clamp(1.25rem, 5vw, 6rem);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.5vw + 0.9rem, 1.125rem);
  line-height: 1.6;
  letter-spacing: -0.011em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}

/* Radial vignette + faint aurora baked into the page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(var(--glow-cyan), 0.10), transparent 55%),
    radial-gradient(90% 60% at 100% 10%, rgba(var(--glow-gold), 0.06), transparent 50%),
    radial-gradient(100% 100% at 50% 120%, rgba(var(--glow-cyan), 0.05), transparent 60%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
::selection { background: rgba(var(--glow-cyan), 0.28); color: #fff; }

/* ---------- overlays: grain, cursor, scroll ---------- */
.grain {
  position: fixed; inset: 0; z-index: 9998; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 9999;
  background: rgba(255, 255, 255, 0.04);
}
.scroll-progress span {
  display: block; height: 100%; width: 0%;
  background: var(--grad);
  box-shadow: 0 0 14px rgba(var(--glow-cyan), 0.8);
}

.cursor, .cursor-dot { position: fixed; top: 0; left: 0; z-index: 9997; pointer-events: none; border-radius: 50%; mix-blend-mode: screen; }
.cursor {
  width: 34px; height: 34px; border: 1px solid rgba(var(--glow-cyan), 0.6);
  transform: translate(-50%, -50%);
  transition: width .28s var(--ease), height .28s var(--ease), background .28s, border-color .28s;
}
.cursor-dot { width: 5px; height: 5px; background: var(--cyan-bright); transform: translate(-50%, -50%); box-shadow: 0 0 10px var(--cyan); }
.cursor.is-hover { width: 60px; height: 60px; background: rgba(var(--glow-cyan), 0.08); border-color: transparent; }
@media (hover: none), (pointer: coarse) { .cursor, .cursor-dot { display: none; } }

/* ---------- ambient orbs ---------- */
.orb { position: fixed; z-index: -2; border-radius: 50%; filter: blur(90px); opacity: 0.5; pointer-events: none; }
.orb-1 { width: 46vw; height: 46vw; top: -14vw; left: -10vw; background: radial-gradient(circle, rgba(var(--glow-cyan), 0.5), transparent 70%); animation: drift 22s ease-in-out infinite; }
.orb-2 { width: 40vw; height: 40vw; bottom: -12vw; right: -8vw; background: radial-gradient(circle, rgba(var(--glow-gold), 0.32), transparent 70%); animation: drift 28s ease-in-out infinite reverse; }
@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(4vw, 5vh) scale(1.12); }
}

/* =====================================================================
   NAV
   ===================================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem var(--pad);
  transition: padding .4s var(--ease), background .4s, border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding: 0.7rem var(--pad);
  background: rgba(6, 7, 10, 0.62);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.nav-brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; letter-spacing: 0.02em; }
.nav-mark { width: 12px; height: 12px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan), 0 0 4px #fff inset; animation: pulse 2.4s ease-in-out infinite; }
.nav-name { color: var(--text); }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.55; transform: scale(0.82); } }

.nav-links { display: flex; gap: 2rem; font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.04em; }
.nav-links a { color: var(--muted); position: relative; transition: color .3s; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0; background: var(--grad); transition: width .35s var(--ease); }
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-family: var(--font-mono); font-size: 0.78rem; padding: 0.55rem 1.1rem;
  border: 1px solid var(--border-2); border-radius: 100px; color: var(--text);
  display: inline-flex; gap: 0.4rem; align-items: center; transition: all .35s var(--ease);
}
.nav-cta span { transition: transform .35s var(--ease); }
.nav-cta:hover { border-color: var(--cyan); box-shadow: 0 0 24px rgba(var(--glow-cyan), 0.25); }
.nav-cta:hover span { transform: translateX(4px); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); transition: .3s; }

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 100%; right: var(--pad);
    background: rgba(8, 10, 17, 0.95); backdrop-filter: blur(20px); padding: 1.4rem 1.8rem;
    border: 1px solid var(--border); border-radius: 16px; gap: 1.1rem; font-size: 0.9rem;
  }
}

/* =====================================================================
   AT A GLANCE — recruiter quick-scan strip
   ===================================================================== */
.glance { padding: 2.4rem var(--pad); border-bottom: 1px solid var(--border); background: var(--bg-2); }
.glance-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem 2.5rem; }
.glance-item { display: flex; flex-direction: column; gap: 0.3rem; }
.glance-key { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }
.glance-val { color: var(--text); font-size: 0.95rem; line-height: 1.45; }
.glance-val a { color: var(--cyan); }
.glance-val a:hover { text-decoration: underline; }
@media (max-width: 860px) { .glance-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .glance-grid { grid-template-columns: 1fr; } }

/* =====================================================================
   HERO
   ===================================================================== */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 8rem var(--pad) 4rem; overflow: hidden; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.9; }
.hero-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 20%, transparent 80%);
}
.hero-inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; width: 100%; }

.status {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.03em; color: var(--muted);
  padding: 0.4rem 0.85rem; border: 1px solid var(--border); border-radius: 100px;
  background: var(--surface); backdrop-filter: blur(8px); margin-bottom: 2rem;
}
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 10px #4ade80; animation: pulse 2s infinite; }

.hero-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.7rem, 9vw, 7.5rem); line-height: 0.98; letter-spacing: -0.035em;
  margin-bottom: 2rem;
}
.hero-title .line { display: block; }
.hero-title em { font-style: normal; color: var(--muted); font-weight: 400; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero-sub { max-width: 46ch; font-size: clamp(1rem, 1.2vw, 1.28rem); color: var(--muted); line-height: 1.55; }
.hero-sub strong { color: var(--text); font-weight: 700; }
.hero-sub .kw { color: var(--cyan); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.6rem; }

/* buttons */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.01em;
  padding: 0.95rem 1.6rem; border-radius: 100px; cursor: pointer; border: 1px solid transparent;
  transition: transform .3s var(--ease), box-shadow .3s, background .3s, border-color .3s;
  will-change: transform;
}
.btn-primary { background: var(--cyan); color: #04120F; font-weight: 500; box-shadow: 0 0 0 rgba(var(--glow-cyan), 0.5); }
.btn-primary:hover { box-shadow: 0 10px 40px rgba(var(--glow-cyan), 0.4); }
.btn-arrow { transition: transform .3s var(--ease); }
.btn-primary:hover .btn-arrow { transform: translateY(3px); }
.btn-ghost { background: var(--surface); border-color: var(--border-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--cyan); background: var(--surface-2); }

.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--magenta); box-shadow: 0 0 10px var(--magenta); animation: pulse 1.4s infinite; }

.hero-stats { list-style: none; display: flex; flex-wrap: wrap; gap: 1.6rem 2.4rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); font-family: var(--font-mono); font-size: 0.82rem; color: var(--muted); }
.hero-stats li { position: relative; }
.hero-stats b { color: var(--text); font-weight: 700; }
.hero-stats li:not(:last-child)::after { content: ""; position: absolute; right: -1.2rem; top: 50%; transform: translateY(-50%); width: 3px; height: 3px; border-radius: 50%; background: var(--cyan); }

.hero-scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.6rem; z-index: 2; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--faint); }
.hero-scroll-line { width: 1px; height: 42px; background: linear-gradient(var(--cyan), transparent); }
.hero-scroll-line::after { content: ""; display: block; width: 1px; height: 12px; background: var(--cyan); animation: scrolldot 2s ease-in-out infinite; }
@keyframes scrolldot { 0% { transform: translateY(-12px); opacity: 0; } 50% { opacity: 1; } 100% { transform: translateY(42px); opacity: 0; } }

/* =====================================================================
   MARQUEE
   ===================================================================== */
.marquee { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 1.4rem 0; overflow: hidden; background: var(--bg-2); }
.marquee-track { display: flex; gap: 2.5rem; white-space: nowrap; width: max-content; animation: scroll-x 32s linear infinite; font-family: var(--font-display); font-weight: 500; font-size: clamp(1.1rem, 2.4vw, 1.8rem); letter-spacing: 0.01em; color: var(--muted); }
.marquee-track .sep { color: var(--cyan); }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* =====================================================================
   SECTION scaffolding
   ===================================================================== */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(5rem, 12vh, 9rem) var(--pad); position: relative; }
.section-head { margin-bottom: 3.5rem; }
.eyebrow { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.4rem; }
.eyebrow-num { color: var(--faint); }
.section h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(2rem, 5.5vw, 4rem); line-height: 1.02; letter-spacing: -0.03em; }
.section-note { margin-top: 1.1rem; color: var(--muted); max-width: 52ch; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; margin-bottom: 5rem; }
.about-lead p { font-size: clamp(1.1rem, 1.6vw, 1.5rem); line-height: 1.5; margin-bottom: 1.2rem; }
.about-lead strong { color: var(--cyan); font-weight: 700; }
.about-lead .muted { color: var(--muted); font-size: 1rem; }
.about-lead em { font-style: italic; color: var(--text); }
.now { margin-top: 1.6rem; font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.7; color: var(--muted); padding: 1rem 1.2rem; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.now b { color: var(--cyan); font-weight: 500; }
.now-label { display: inline-block; color: var(--gold); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.68rem; margin-right: 0.7rem; }

.stats { display: flex; flex-direction: column; gap: 1.6rem; border-left: 1px solid var(--border); padding-left: clamp(1.5rem, 3vw, 2.5rem); }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.05em; color: var(--muted); text-transform: uppercase; margin-top: 0.4rem; }

.method { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.method-card { position: relative; padding: 2rem 1.8rem; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); overflow: hidden; transition: border-color .4s, transform .4s var(--ease); }
.method-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 100% at 0% 0%, rgba(var(--glow-cyan), 0.1), transparent 60%); opacity: 0; transition: opacity .4s; }
.method-card:hover { border-color: var(--border-2); transform: translateY(-4px); }
.method-card:hover::before { opacity: 1; }
.method-index { font-family: var(--font-mono); font-size: 0.85rem; color: #04120F; background: var(--cyan); width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font-weight: 700; box-shadow: 0 0 20px rgba(var(--glow-cyan), 0.4); }
.method-card h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.4rem; margin: 1.1rem 0 0.6rem; }
.method-card p { color: var(--muted); font-size: 0.96rem; }

/* =====================================================================
   WORK — case files
   ===================================================================== */
.cases { display: flex; flex-direction: column; gap: 1.5rem; }
.case {
  position: relative; display: grid; grid-template-columns: 0.85fr 1.6fr; gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(1.8rem, 4vw, 3rem); border: 1px solid var(--border); border-radius: 24px;
  background: linear-gradient(180deg, var(--surface), rgba(255,255,255,0.01));
  overflow: hidden; transition: border-color .5s, transform .5s var(--ease), box-shadow .5s;
}
.case::after { content: ""; position: absolute; inset: 0; border-radius: 24px; padding: 1px; background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .5s; pointer-events: none; }
.case:hover { transform: translateY(-4px); box-shadow: 0 24px 70px rgba(0,0,0,0.5); }
.case:hover::after { opacity: 0.6; }

.case-featured { border-color: rgba(var(--glow-cyan), 0.35); box-shadow: 0 0 60px rgba(var(--glow-cyan), 0.07), 0 24px 70px rgba(0,0,0,0.4); }
.case-featured::after { opacity: 0.35; }
.case-flag {
  align-self: flex-start; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: #04120F; background: var(--grad);
  padding: 0.32rem 0.75rem; border-radius: 100px;
}

.case-aside { display: flex; flex-direction: column; gap: 1rem; }
.case-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--faint); letter-spacing: 0.1em; }
.case-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.05; letter-spacing: -0.02em; }
.case-metric { font-family: var(--font-mono); font-size: 0.8rem; color: var(--gold); letter-spacing: 0.02em; }
.case-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.4rem; }
.case-tag { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.02em; color: var(--muted); padding: 0.28rem 0.65rem; border: 1px solid var(--border); border-radius: 100px; }

.case-body { display: grid; gap: 1.3rem; }
.psr { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start; }
.psr-key { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; padding-top: 0.15rem; width: 84px; }
.psr-p .psr-key { color: var(--magenta); }
.psr-s .psr-key { color: var(--cyan); }
.psr-r .psr-key { color: var(--gold); }
.psr-val { color: var(--text); line-height: 1.5; }
.psr-p .psr-val { color: var(--muted); }
.psr-r .psr-val { font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; }
.psr-r .psr-val strong { color: var(--gold); }
.psr-divider { height: 1px; background: var(--border); }
.case-diagram { display: block; margin-top: 0.5rem; padding: clamp(0.8rem, 2vw, 1.4rem); border: 1px solid var(--border); border-radius: 16px; background: rgba(255,255,255,0.012); transition: border-color .4s; }
.case-diagram img { display: block; width: 100%; height: auto; }
.case-diagram:hover { border-color: rgba(var(--glow-cyan), 0.35); }

/* Archive — earlier case files, compact */
.archive { margin-top: 3.5rem; }
.archive-head { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.archive-label { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }
.archive-note { color: var(--faint); font-size: 0.92rem; }
.archive-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.archive-card {
  display: flex; flex-direction: column; gap: 0.6rem; padding: 1.5rem;
  border: 1px solid var(--border); border-radius: 18px; background: var(--surface);
  text-decoration: none; color: var(--text);
  transition: border-color .4s, transform .4s var(--ease), background .4s;
}
.archive-card:hover { border-color: var(--border-2); background: var(--surface-2); transform: translateY(-3px); }
.archive-kicker { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); }
.archive-card h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; }
.archive-card p { color: var(--muted); font-size: 0.92rem; line-height: 1.55; }
.archive-metrics { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: auto; }
.archive-metrics span { font-family: var(--font-mono); font-size: 0.66rem; color: var(--muted); border: 1px solid var(--border); padding: 0.26rem 0.6rem; border-radius: 100px; }
.archive-open { font-family: var(--font-mono); font-size: 0.72rem; color: var(--cyan); margin-top: 0.4rem; }
@media (max-width: 780px) { .archive-grid { grid-template-columns: 1fr; } }

@media (max-width: 780px) {
  .case { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .stats { border-left: none; border-top: 1px solid var(--border); padding-left: 0; padding-top: 2rem; flex-direction: row; flex-wrap: wrap; gap: 2rem; }
  .method { grid-template-columns: 1fr; }
  .psr { grid-template-columns: 1fr; gap: 0.3rem; }
  .psr-key { width: auto; }
}

/* =====================================================================
   HOT REPOS
   ===================================================================== */
.hot-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.hot-status { display: flex; align-items: center; gap: 1rem; font-family: var(--font-mono); font-size: 0.78rem; }
.live-badge { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--magenta); border: 1px solid rgba(255, 107, 174, 0.4); padding: 0.3rem 0.7rem; border-radius: 100px; letter-spacing: 0.1em; }
.hot-meta { color: var(--muted); }

.hot-filters { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2rem; }
.chip {
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted);
  padding: 0.5rem 1rem; border: 1px solid var(--border); border-radius: 100px;
  background: var(--surface); cursor: pointer; transition: all .3s var(--ease);
}
.chip:hover { color: var(--text); border-color: var(--border-2); }
.chip.is-active { color: #04120F; background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 20px rgba(var(--glow-cyan), 0.3); }

.repos { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.1rem; }

.repo {
  position: relative; display: flex; flex-direction: column; gap: 0.9rem;
  padding: 1.5rem; border: 1px solid var(--border); border-radius: 18px; background: var(--surface);
  transition: border-color .4s, transform .4s var(--ease), background .4s;
  min-height: 210px;
}
.repo:hover { transform: translateY(-4px); border-color: var(--border-2); background: var(--surface-2); }
.repo-top { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; }
.repo-rank { font-family: var(--font-mono); font-size: 0.72rem; color: var(--faint); }
.repo-stars { font-family: var(--font-mono); font-size: 0.78rem; color: var(--gold); display: inline-flex; align-items: center; gap: 0.35rem; }
.repo-name { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; line-height: 1.15; letter-spacing: -0.01em; word-break: break-word; }
.repo-name a { transition: color .3s; }
.repo-name a:hover { color: var(--cyan); }
.repo-owner { color: var(--muted); font-weight: 400; }
.repo-desc { color: var(--muted); font-size: 0.92rem; line-height: 1.45; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.repo-foot { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
.repo-lang { display: inline-flex; align-items: center; gap: 0.4rem; }
.lang-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); }
.repo-gain { color: var(--cyan); }

/* skeleton */
.repo.skeleton { pointer-events: none; }
.sk { border-radius: 6px; background: linear-gradient(90deg, rgba(255,255,255,0.03), rgba(255,255,255,0.08), rgba(255,255,255,0.03)); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
.sk-line { height: 12px; }
@keyframes shimmer { to { background-position: -200% 0; } }

.repo-empty, .repo-error { grid-column: 1 / -1; text-align: center; padding: 3rem 1rem; color: var(--muted); font-family: var(--font-mono); font-size: 0.9rem; }
.repo-error a { color: var(--cyan); text-decoration: underline; }

.hot-refresh { display: flex; align-items: center; gap: 1.4rem; margin-top: 2rem; flex-wrap: wrap; }
.refresh-icon { display: inline-block; transition: transform .6s var(--ease); }
#refresh-btn.spin .refresh-icon { transform: rotate(360deg); }
.hot-source { font-family: var(--font-mono); font-size: 0.72rem; color: var(--faint); }
.hot-source code { color: var(--muted); }

/* =====================================================================
   CONTACT
   ===================================================================== */
.contact { text-align: center; padding-top: 7rem; padding-bottom: 7rem; }
.contact .eyebrow { justify-content: center; }
.contact-glow { position: absolute; inset: 0; z-index: -1; background: radial-gradient(60% 60% at 50% 50%, rgba(var(--glow-cyan), 0.08), transparent 70%); }
.contact-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.6rem, 8vw, 6rem); line-height: 0.98; letter-spacing: -0.035em; }
.contact-sub { color: var(--muted); margin: 1.2rem 0 2.6rem; font-size: 1.15rem; }
.contact-mail {
  display: inline-flex; align-items: center; gap: 0.8rem; font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.5vw, 2.4rem); font-weight: 500; padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-2); transition: gap .4s var(--ease), border-color .4s;
}
.contact-mail span { color: var(--cyan); transition: transform .4s var(--ease); }
.contact-mail:hover { border-color: var(--cyan); gap: 1.4rem; }
.contact-mail:hover span { transform: translateX(6px); }
.contact-links { display: flex; justify-content: center; gap: 2rem; margin-top: 3rem; font-family: var(--font-mono); font-size: 0.85rem; }
.contact-links a { color: var(--muted); position: relative; transition: color .3s; }
.contact-links a:hover { color: var(--text); }
.contact-links a::after { content: "↗"; margin-left: 0.3rem; color: var(--cyan); opacity: 0; transition: opacity .3s; }
.contact-links a:hover::after { opacity: 1; }

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer { border-top: 1px solid var(--border); padding: 2.5rem var(--pad); display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; background: var(--bg-2); }
.footer-row { display: flex; align-items: center; gap: 1.2rem; }
.footer-brand { font-family: var(--font-display); font-weight: 600; }
.footer-copy { color: var(--muted); font-size: 0.82rem; }
.footer-terminal { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }
.footer-terminal .prompt { color: var(--cyan); margin-right: 0.5rem; }
.footer-terminal .typed { color: var(--text); }
.caret { color: var(--cyan); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* =====================================================================
   STACK
   ===================================================================== */
.stack-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.1rem; }
.stack-group { padding: 1.6rem; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); transition: border-color .4s, transform .4s var(--ease); }
.stack-group:hover { border-color: var(--border-2); transform: translateY(-3px); }
.stack-group h3 { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.1rem; }
.stack-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.stack-tag { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); padding: 0.35rem 0.75rem; border: 1px solid var(--border); border-radius: 8px; transition: all .3s; }
.stack-tag:hover { color: var(--text); border-color: var(--border-2); }
.stack-tag.hot { color: #04120F; background: var(--cyan); border-color: var(--cyan); font-weight: 500; box-shadow: 0 0 18px rgba(var(--glow-cyan), 0.3); }

/* =====================================================================
   BEYOND THE CODE
   ===================================================================== */
.beyond-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.1rem; }
.beyond-card { position: relative; display: flex; flex-direction: column; gap: 0.7rem; padding: 1.8rem; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); overflow: hidden; transition: border-color .4s, transform .4s var(--ease); min-height: 190px; }
.beyond-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 100% at 100% 0%, rgba(var(--glow-gold), 0.08), transparent 55%); opacity: 0; transition: opacity .4s; }
.beyond-card:hover { border-color: var(--border-2); transform: translateY(-4px); }
.beyond-card:hover::before { opacity: 1; }
.beyond-icon { font-size: 1.5rem; }
.beyond-kicker { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); }
.beyond-card h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; line-height: 1.15; }
.beyond-card p { color: var(--muted); font-size: 0.92rem; line-height: 1.5; flex: 1; }
.beyond-card a.beyond-link { font-family: var(--font-mono); font-size: 0.78rem; color: var(--cyan); display: inline-flex; align-items: center; gap: 0.4rem; transition: gap .3s; }
.beyond-card a.beyond-link:hover { gap: 0.7rem; }

/* =====================================================================
   REVEAL
   ===================================================================== */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
[data-reveal].in { opacity: 1; transform: none; }