:root{
    --bg: #1b1a2e;
    --bg-soft: #232140;
    --card: #ede6d6;
    --ink: #211f30;
    --ink-soft: #4a4760;
    --paper-edge: #d8cfb8;
    --gold: #c69a3d;
    --rust: #b8481f;
    --teal: #3e7068;
    --cream: #f4efe4;
  }

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body{
    margin:0;
    background: radial-gradient(ellipse 120% 80% at 50% -10%, #2a2850 0%, var(--bg) 55%);
    color: var(--cream);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  /* subtle grain */
  body::before{
    content:"";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.05;
    z-index: 1;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  }

  a { color: inherit; }
  a:focus-visible, button:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

  /* ---------- Hero ---------- */
  .hero{
    position: relative;
    z-index: 2;
    max-width: 780px;
    margin: 0 auto;
    padding: clamp(56px, 9vw, 108px) 24px 48px;
    text-align: center;
  }

  .badges{
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 26px;
  }
  .badge{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 100px;
    border: 1px solid rgba(244,239,228,0.18);
    color: rgba(244,239,228,0.75);
  }
  .badge.gold{ border-color: rgba(198,154,61,0.5); color: var(--gold); }

  h1{
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: clamp(48px, 9vw, 84px);
    line-height: 0.98;
    margin: 0 0 12px;
    letter-spacing: -0.01em;
  }

  .tagline{
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-weight: 500;
    font-size: clamp(18px, 2.6vw, 24px);
    color: rgba(244,239,228,0.7);
    margin: 0 0 40px;
  }

  .terminal{
    display: inline-block;
    text-align: left;
    font-family: 'IBM Plex Mono', monospace;
    font-size: clamp(13px, 1.9vw, 15px);
    background: var(--bg-soft);
    border: 1px solid rgba(244,239,228,0.1);
    border-radius: 10px;
    padding: 16px 20px;
    max-width: 100%;
    color: #d9d4e8;
    box-shadow: 0 20px 50px -20px rgba(0,0,0,0.6);
  }
  .terminal .prompt{ color: var(--gold); margin-right: 8px; }
  .cursor{
    display: inline-block;
    margin-left: 2px;
    animation: blink 1s steps(1) infinite;
    color: var(--gold);
  }
  @keyframes blink{ 50%{ opacity: 0; } }

  .stats-row{
    display: flex;
    justify-content: center;
    gap: clamp(24px, 6vw, 56px);
    margin: 44px 0 36px;
    flex-wrap: wrap;
  }
  .stat{ text-align: center; }
  .stat-num{
    display: block;
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 34px;
    color: var(--cream);
  }
  .stat-label{
    display: block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(244,239,228,0.5);
    margin-top: 4px;
  }

  .cta{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    text-decoration: none;
    color: var(--bg);
    background: var(--cream);
    padding: 13px 24px;
    border-radius: 100px;
    transition: transform 0.15s ease, background 0.15s ease;
  }
  .cta:hover{ transform: translateY(-2px); background: var(--gold); }

  .cta-row{
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
  }
  .cta-secondary{
    background: transparent;
    color: var(--cream);
    border: 1px solid rgba(244,239,228,0.3);
  }
  .cta-secondary:hover{ background: rgba(244,239,228,0.08); color: var(--cream); }

  /* ---------- Catalog ---------- */
  main{
    position: relative;
    z-index: 2;
    max-width: 1040px;
    margin: 0 auto;
    padding: 20px 24px 80px;
  }

  .catalog-head{
    text-align: center;
    margin-bottom: 48px;
  }
  .catalog-head h2{
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: clamp(28px, 4vw, 38px);
    margin: 0 0 10px;
  }
  .catalog-head p{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    color: rgba(244,239,228,0.5);
    margin: 0;
  }

  .card-grid{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
  }

  .card{
    position: relative;
    background: var(--card);
    color: var(--ink);
    border-radius: 4px;
    padding: 28px 22px 22px;
    transform: rotate(var(--tilt, 0deg));
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 14px 30px -18px rgba(0,0,0,0.5);
    border-bottom: 3px solid var(--paper-edge);
  }
  .card:nth-child(3n+1){ --tilt: -0.6deg; }
  .card:nth-child(3n+2){ --tilt: 0.4deg; }
  .card:nth-child(3n+3){ --tilt: -0.3deg; }
  .card:hover{ transform: rotate(0deg) translateY(-4px); box-shadow: 0 22px 40px -18px rgba(0,0,0,0.55); }

  .perforation{
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 12px;
    background-image: radial-gradient(circle, var(--bg-soft) 2.6px, transparent 2.7px);
    background-size: 18px 12px;
    background-position: 9px 0;
    background-repeat: repeat-x;
    opacity: 0.9;
  }

  .card-head{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
  }
  .entry-no{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
  }
  .lang-tag{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    padding: 3px 9px;
    border-radius: 100px;
    color: var(--cream);
  }
  .lang-tag.python{ background: var(--gold); }
  .lang-tag.kotlin{ background: var(--rust); }
  .lang-tag.go{ background: var(--teal); }

  .card h3{
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 22px;
    margin: 0 0 8px;
  }
  .card p{
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--ink-soft);
    margin: 0 0 20px;
    min-height: 66px;
  }

  .card-foot{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px dashed var(--paper-edge);
  }
  .metric{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    color: var(--ink-soft);
  }
  .card-foot a{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    text-decoration: none;
    color: var(--ink);
    border-bottom: 1px solid var(--ink);
    padding-bottom: 1px;
  }
  .card-foot a:hover{ color: var(--rust); border-color: var(--rust); }

  footer{
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 24px 60px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    color: rgba(244,239,228,0.45);
  }
  footer a{ color: var(--gold); text-decoration: none; border-bottom: 1px solid rgba(198,154,61,0.4); }

  @media (prefers-reduced-motion: reduce){
    .cursor{ animation: none; }
    .card{ transition: none; }
    html{ scroll-behavior: auto; }
  }

  /* ---------- Competitive Programming ---------- */
  .cp-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
  }

  .cp-card{
    position: relative;
    background: var(--card);
    color: var(--ink);
    border-radius: 4px;
    padding: 28px 22px 22px;
    box-shadow: 0 14px 30px -18px rgba(0,0,0,0.5);
    border-bottom: 3px solid var(--paper-edge);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  .cp-card:hover{ transform: translateY(-4px); box-shadow: 0 22px 40px -18px rgba(0,0,0,0.55); }

  .cp-head{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
  }
  .cp-platform{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }
  .cp-rank{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 100px;
    color: var(--cream);
  }
  .cp-rank.newbie{ background: #8b8b8b; }
  .cp-rank.kyu8{ background: #a0622d; }

  .cp-rating{
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 42px;
    line-height: 1;
    margin: 4px 0 2px;
    display: flex;
    align-items: baseline;
    gap: 10px;
  }
  .cp-rating .max{
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 12.5px;
    color: var(--ink-soft);
  }

  .cp-stats{
    display: flex;
    gap: 28px;
    margin: 18px 0;
  }
  .cp-stat{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--ink-soft);
    line-height: 1.4;
  }
  .cp-stat strong{
    display: block;
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 17px;
    color: var(--ink);
  }
  

  /* ---------- Writing ---------- */
  .post-list{
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .post-card{
    position: relative;
    background: var(--card);
    color: var(--ink);
    border-radius: 4px;
    padding: 28px 26px 22px;
    box-shadow: 0 14px 30px -18px rgba(0,0,0,0.5);
    border-bottom: 3px solid var(--paper-edge);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  .post-card:hover{ transform: translateY(-4px); box-shadow: 0 22px 40px -18px rgba(0,0,0,0.55); }

  .post-head{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
  }
  .post-tag{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: 100px;
    background: var(--gold);
    color: var(--cream);
  }

  .post-card h3{
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 23px;
    line-height: 1.25;
    margin: 0 0 10px;
  }
  .post-card p{
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--ink-soft);
    margin: 0 0 20px;
  }
  
  section + section {
    margin-top: 80px;
}