/* ─── DESIGN TOKENS ─────────────────────────────────────── */
:root {
  --c-bg:       #0d0d0f;
  --c-surface:  #16161a;
  --c-border:   #222228;
  --c-text:     #e8e8f0;
  --c-muted:    #7a7a8e;
  --c-accent1:  #ff6b6b;   /* coral red   */
  --c-accent2:  #a78bfa;   /* violet       */
  --c-accent3:  #34d399;   /* mint green   */
  --c-accent4:  #fbbf24;   /* amber        */
  --c-accent5:  #38bdf8;   /* sky blue     */
  --radius:     14px;
  --font-body:  'Space Grotesk', sans-serif;
  --font-mono:  'Space Mono', monospace;
}
/* ─── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
/* ─── NOISE OVERLAY ──────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px;
  pointer-events: none;
  z-index: 0;
}
/* ─── NAV ────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  background: rgba(13,13,15,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--c-accent2);
  letter-spacing: .05em;
}
.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
.nav-links a {
  font-size: .85rem;
  color: var(--c-muted);
  transition: color .2s;
  letter-spacing: .03em;
}
.nav-links a:hover { color: var(--c-text); }
/* ─── LAYOUT HELPERS ─────────────────────────────────────── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}
section { padding: 100px 0 60px; }
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--c-accent2);
  text-transform: uppercase;
  letter-spacing: .15em;
  margin-bottom: .75rem;
}
h2.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 1.25rem;
  line-height: 1.2;
}
.section-desc {
  color: var(--c-muted);
  max-width: 560px;
  margin-bottom: 3rem;
  font-size: .95rem;
}
/* ─── HERO ───────────────────────────────────────────────── */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 60px;
  position: relative;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .18;
  pointer-events: none;
}
.hero-glow-1 { width: 600px; height: 600px; background: var(--c-accent2); top: -150px; right: -100px; }
.hero-glow-2 { width: 400px; height: 400px; background: var(--c-accent1); bottom: -100px; left: -80px; }
.hero-glow-3 { width: 300px; height: 300px; background: var(--c-accent3); top: 40%; left: 40%; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(167,139,250,.12);
  border: 1px solid rgba(167,139,250,.25);
  border-radius: 100px;
  padding: .35rem .9rem;
  font-size: .8rem;
  color: var(--c-accent2);
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
}
.hero-tag::before { content: '●'; font-size: .6rem; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }
.hero-name {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
}
.hero-name .highlight {
  background: linear-gradient(135deg, var(--c-accent1), var(--c-accent2), var(--c-accent5));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--c-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.6rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: .9rem;
  transition: transform .2s, box-shadow .2s;
  cursor: pointer;
  border: none;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--c-accent1), var(--c-accent2));
  color: #fff;
  box-shadow: 0 4px 24px rgba(255,107,107,.3);
}
.btn-primary:hover { box-shadow: 0 8px 32px rgba(255,107,107,.5); }
.btn-ghost {
  background: transparent;
  color: var(--c-text);
  border: 1.5px solid var(--c-border);
}
.btn-ghost:hover { border-color: var(--c-accent2); color: var(--c-accent2); }
/* scrolling pill strip */
.scroll-strip {
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: .75rem 0;
  position: relative;
  z-index: 1;
  background: rgba(22,22,26,.6);
}
.scroll-strip-inner {
  display: inline-block;
  animation: marquee 22s linear infinite;
}
.scroll-strip-inner span {
  display: inline-block;
  padding: 0 1.5rem;
  color: var(--c-muted);
  font-size: .8rem;
  font-family: var(--font-mono);
}
.scroll-strip-inner span::after { content: ' ✦ '; color: var(--c-accent2); }
@keyframes marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }
/* ─── ABOUT ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media(max-width:680px){ .about-grid{ grid-template-columns:1fr; } }
.about-text p { color: var(--c-muted); margin-bottom: 1rem; font-size: .95rem; }
.about-text p strong { color: var(--c-text); }
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.5rem;
}
.chip {
  padding: .35rem .85rem;
  border-radius: 100px;
  font-size: .78rem;
  font-family: var(--font-mono);
  border: 1px solid;
}
.chip-red   { color: var(--c-accent1); border-color: rgba(255,107,107,.3); background: rgba(255,107,107,.07); }
.chip-violet{ color: var(--c-accent2); border-color: rgba(167,139,250,.3); background: rgba(167,139,250,.07); }
.chip-green { color: var(--c-accent3); border-color: rgba(52,211,153,.3);  background: rgba(52,211,153,.07);  }
.chip-amber { color: var(--c-accent4); border-color: rgba(251,191,36,.3);  background: rgba(251,191,36,.07);  }
.chip-blue  { color: var(--c-accent5); border-color: rgba(56,189,248,.3);  background: rgba(56,189,248,.07);  }
.stat-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.stat-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.stat-card .num {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: .25rem;
}
.stat-card .label { font-size: .8rem; color: var(--c-muted); }
/* ─── PROJECTS ───────────────────────────────────────────── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.project-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
  border-color: rgba(167,139,250,.3);
}
.pc-coral::before  { background: linear-gradient(90deg, var(--c-accent1), var(--c-accent4)); }
.pc-violet::before { background: linear-gradient(90deg, var(--c-accent2), var(--c-accent5)); }
.pc-green::before  { background: linear-gradient(90deg, var(--c-accent3), var(--c-accent5)); }
.pc-amber::before  { background: linear-gradient(90deg, var(--c-accent4), var(--c-accent1)); }
.pc-blue::before   { background: linear-gradient(90deg, var(--c-accent5), var(--c-accent2)); }
.project-icon { font-size: 1.75rem; }
.project-name {
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.project-name a { transition: color .2s; }
.project-name a:hover { color: var(--c-accent2); }
.project-desc { font-size: .875rem; color: var(--c-muted); flex: 1; }
.project-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .78rem;
  font-family: var(--font-mono);
  color: var(--c-muted);
}
.project-lang { display: flex; align-items: center; gap: .35rem; }
.lang-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.lang-html     { background: #e34c26; }
.lang-python   { background: #3572a5; }
.lang-notebook { background: #da5b0b; }
.lang-sql      { background: #e38c00; }
.lang-js       { background: #f1e05a; }
.star-count { display: flex; align-items: center; gap: .3rem; }
/* ─── PLACEHOLDER SECTIONS ───────────────────────────────── */
.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.placeholder-card {
  background: var(--c-surface);
  border: 1px dashed var(--c-border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .6rem;
  opacity: .7;
  transition: opacity .2s, border-color .2s;
}
.placeholder-card:hover { opacity: 1; border-color: var(--c-accent2); }
.placeholder-card .ph-icon { font-size: 1.5rem; }
.placeholder-card .ph-title { font-weight: 600; font-size: .95rem; }
.placeholder-card .ph-desc  { font-size: .82rem; color: var(--c-muted); }
.coming-soon {
  font-size: .7rem;
  font-family: var(--font-mono);
  color: var(--c-accent4);
  border: 1px solid rgba(251,191,36,.3);
  background: rgba(251,191,36,.07);
  border-radius: 100px;
  padding: .2rem .6rem;
}
/* section separator */
.sep {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-border), transparent);
  margin: 0 2rem;
  position: relative;
  z-index: 1;
}
/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--c-border);
  padding: 3rem 0 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: .85rem;
  color: var(--c-muted);
  display: flex;
  align-items: center;
  gap: .4rem;
  transition: color .2s;
}
.footer-links a:hover { color: var(--c-text); }
.footer-copy { font-size: .78rem; color: var(--c-muted); font-family: var(--font-mono); }
/* ─── MOBILE ─────────────────────────────────────────────── */
@media(max-width:600px){
  .nav-links { display: none; }
  section { padding: 80px 0 40px; }
}