/*
 * hk.css — Shared design system
 * hemantkumar.dev · snarky-squirrel · and future sites
 *
 * Usage:
 *   <link rel="stylesheet" href="hk.css">
 *
 * Font (add to <head> before this stylesheet):
 *   <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
 *
 * Theme toggle (add to <head> before page renders to prevent flash):
 *   <script>
 *     (function () {
 *       var s = localStorage.getItem('hk-theme');
 *       var p = window.matchMedia('(prefers-color-scheme: dark)').matches;
 *       if (s === 'dark' || (!s && p)) document.documentElement.classList.add('dark');
 *     })();
 *   </script>
 *
 * Theme toggle button (add anywhere in your nav):
 *   <button id="theme-toggle" class="theme-btn" aria-label="Toggle theme">◐</button>
 *
 * Theme toggle script (add before </body>):
 *   <script>
 *     document.getElementById('theme-toggle').addEventListener('click', function () {
 *       var isDark = document.documentElement.classList.toggle('dark');
 *       localStorage.setItem('hk-theme', isDark ? 'dark' : 'light');
 *     });
 *   </script>
 *
 * Section pattern:
 *   <section class="section">
 *     <p class="label">Section Title</p>
 *     <div class="box">
 *       <!-- rows go here -->
 *     </div>
 *   </section>
 */


/* ─────────────────────────────────────────────────────────
   THEME — CSS variables
   ───────────────────────────────────────────────────────── */
:root {
  --bg:        #faf8f2;
  --text:      #1a1208;
  --muted:     #8a7a60;
  --border:    #d8cebc;
  --label-bg:  #f0ead8;
  --accent:    #c17f24;
  --row-hover: #ede4cc;
  --link:      #1a1208;
}
html.dark {
  --bg:        #0f0d09;
  --text:      #e8e0cc;
  --muted:     #6b5e48;
  --border:    #2e2518;
  --label-bg:  #1e1a10;
  --accent:    #e09535;
  --row-hover: #1a1508;
  --link:      #e8e0cc;
}


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


/* ─────────────────────────────────────────────────────────
   BASE
   ───────────────────────────────────────────────────────── */
body {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 15px;
  line-height: 1.8;
  background: var(--bg);
  color: var(--text);
  max-width: 1020px;
  margin: 0 auto;
  padding: 52px 44px 100px;
  transition: background 0.2s ease, color 0.2s ease;
}

a {
  color: var(--link);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}


/* ─────────────────────────────────────────────────────────
   NAV
   ───────────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 64px;
}
.nav-logo {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 13px;
  color: var(--muted);
  transition: color 0.15s;
}
.nav-link:hover {
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}
.theme-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: inherit;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.15s, border-color 0.15s;
}
.theme-btn:hover {
  color: var(--text);
  border-color: var(--text);
}


/* ─────────────────────────────────────────────────────────
   SECTION
   Each section: .section wrapper > .label pill > .box content
   ───────────────────────────────────────────────────────── */
.section  { margin-bottom: 48px; }
.work     { margin-bottom: 48px; }
.scores   { margin-bottom: 48px; }
.pipeline { margin-bottom: 48px; }
.setup    { margin-bottom: 48px; }
.features { margin-bottom: 48px; }
.expertise{ margin-bottom: 48px; }
.connect  { margin-bottom: 48px; }


/* ─────────────────────────────────────────────────────────
   SECTION LABEL — pill tag above the box
   ───────────────────────────────────────────────────────── */
.label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--label-bg);
  border: 1px solid var(--accent);
  padding: 4px 12px;
  margin-bottom: 12px;
}


/* ─────────────────────────────────────────────────────────
   BOX — single border wrapping section content
   Rows inside use only internal border-bottom dividers;
   no :first-of-type top border needed.
   ───────────────────────────────────────────────────────── */
.box {
  border: 1px solid var(--border);
}


/* ─────────────────────────────────────────────────────────
   HERO — open layout, no box
   ───────────────────────────────────────────────────────── */
.hero {
  margin-bottom: 48px;
}
.hero-name {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.hero-role {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 32px;
}
.hero-bio {
  max-width: 720px;
  margin-bottom: 24px;
  color: var(--text);
}
.hero-meta {
  font-size: 14px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-meta a { color: var(--text); }
/* alias used on personal site */
.hero-now {
  font-size: 14px;
  color: var(--muted);
}
.hero-now a { color: var(--text); }


/* ─────────────────────────────────────────────────────────
   ROW — generic interactive row (inside .box)
   Apply .row to an <a> or <div> inside a .box.
   Internal dividers: border-bottom on each row, none on last.
   ───────────────────────────────────────────────────────── */
.row {
  display: grid;
  column-gap: 20px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  transition: background 0.12s;
  cursor: pointer;
}
.row:last-child { border-bottom: none; }
.row:hover {
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}
.row:hover .row-sub,
.row:hover .row-meta,
.row:hover .row-num,
.row:hover .row-year {
  color: var(--bg);
  opacity: 0.55;
}
.row:hover .row-title,
.row:hover .row-arrow {
  color: var(--bg);
  opacity: 1;
}

.row-num   { font-size: 13px; color: var(--muted); padding-top: 2px; }
.row-body  { min-width: 0; }
.row-title { font-weight: 500; margin-bottom: 3px; }
.row-sub   { font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.row-meta  { font-size: 13px; color: var(--muted); }
.row-right {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  padding-top: 2px;
}
.row-year  { font-size: 13px; color: var(--muted); white-space: nowrap; }
.row-arrow { font-size: 15px; color: var(--muted); transition: color 0.12s; }
.row:hover .row-arrow { color: var(--bg); }

/* ── Project row aliases (hemantkumar.dev) ── */
.project {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  column-gap: 20px;
  padding: 22px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  transition: background 0.12s;
  cursor: pointer;
}
.project:last-child { border-bottom: none; }
.project:hover {
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}
.project:hover .project-title,
.project:hover .project-arrow { color: var(--bg); }
.project:hover .project-num,
.project:hover .project-tags,
.project:hover .project-desc,
.project:hover .project-year  { color: var(--bg); opacity: 0.55; }

.project-num   { font-size: 13px; color: var(--muted); padding-top: 2px; }
.project-body  { min-width: 0; }
.project-title { font-weight: 500; margin-bottom: 3px; }
.project-tags  { font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.project-desc  { font-size: 13px; color: var(--muted); }
.project-right { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 2px; padding-top: 2px; }
.project-year  { font-size: 13px; color: var(--muted); white-space: nowrap; }
.project-arrow { font-size: 15px; color: var(--muted); transition: color 0.12s; }


/* ─────────────────────────────────────────────────────────
   SCORE BARS (inside .box)
   ───────────────────────────────────────────────────────── */
.score-row {
  display: grid;
  grid-template-columns: 160px 1fr 48px;
  column-gap: 20px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.score-row:last-child { border-bottom: none; }
.score-name  { color: var(--muted); }
.score-bar-wrap {
  height: 2px;
  background: var(--border);
}
.score-bar-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.8s ease;
}
.score-val {
  text-align: right;
  font-weight: 600;
  color: var(--accent);
}


/* ─────────────────────────────────────────────────────────
   PIPELINE / STEPS (inside .box)
   ───────────────────────────────────────────────────────── */
.pipe-row {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  column-gap: 20px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--border);
}
.pipe-row:last-child { border-bottom: none; }
.pipe-num   { font-size: 13px; color: var(--muted); padding-top: 2px; }
.pipe-body  { min-width: 0; }
.pipe-name  { font-weight: 500; margin-bottom: 3px; }
.pipe-desc  { font-size: 13px; color: var(--muted); }
.pipe-badge { font-size: 11px; color: var(--muted); white-space: nowrap; padding-top: 4px; text-align: right; }


/* ─────────────────────────────────────────────────────────
   FORMULA BLOCK (inside .box, after pipe rows)
   ───────────────────────────────────────────────────────── */
.formula-block {
  padding: 18px 16px;
  border-top: 1px solid var(--border);
  background: var(--label-bg);
}
.formula-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.formula-text {
  font-size: 13px;
  color: var(--text);
  line-height: 2;
}
.formula-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}


/* ─────────────────────────────────────────────────────────
   SETUP ROWS (inside .box)
   ───────────────────────────────────────────────────────── */
.setup-row {
  display: grid;
  grid-template-columns: 200px 1fr 1fr auto;
  column-gap: 20px;
  padding: 16px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text);
  transition: background 0.12s;
  cursor: pointer;
}
.setup-row:last-child { border-bottom: none; }
.setup-row:hover {
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}
.setup-row:hover .setup-label,
.setup-row:hover .setup-db,
.setup-row:hover .setup-arrow { color: var(--bg); opacity: 0.7; }
.setup-row:hover .setup-name  { color: var(--bg); opacity: 1; }
.setup-name  { font-weight: 500; }
.setup-label { color: var(--muted); }
.setup-db    { color: var(--muted); }
.setup-arrow { color: var(--muted); text-align: right; }


/* ─────────────────────────────────────────────────────────
   SKILLS GRID (inside .box with padding)
   ───────────────────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px 72px;
  padding: 24px 16px;
}
.skill-group-name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.skill-list li {
  font-size: 13px;
  color: var(--muted);
}
.skill-list li::before {
  content: "– ";
  color: var(--border);
}


/* ─────────────────────────────────────────────────────────
   FEATURE ROWS (inside .box)
   ───────────────────────────────────────────────────────── */
.feature-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  column-gap: 20px;
  padding: 16px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.feature-row:last-child { border-bottom: none; }
.feature-name { font-weight: 500; color: var(--text); }
.feature-desc { color: var(--muted); }


/* ─────────────────────────────────────────────────────────
   CONNECT / LINKS (inside .box with padding)
   ───────────────────────────────────────────────────────── */
.connect-inner  { padding: 20px 16px; }
.connect-bio    { color: var(--muted); max-width: 460px; margin-bottom: 16px; font-size: 13px; }
.connect-links  { display: flex; gap: 28px; }
.connect-link   { font-size: 13px; }
.connect-link:hover {
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}


/* ─────────────────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────────────────── */
footer {
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 11.5px;
  color: var(--muted);
}


/* ─────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────── */
@media (max-width: 560px) {
  body         { padding: 32px 20px 64px; }
  .nav-right   { gap: 16px; }
  .skills-grid { grid-template-columns: 1fr; gap: 28px; }
  .score-row   { grid-template-columns: 120px 1fr 40px; }
  .pipe-row    { grid-template-columns: 24px 1fr; }
  .pipe-badge  { display: none; }
  .setup-row   { grid-template-columns: 1fr auto; }
  .setup-label,
  .setup-db    { display: none; }
  .feature-row { grid-template-columns: 1fr; gap: 4px; }
  .project     { grid-template-columns: 24px 1fr auto; column-gap: 12px; }
}
