/* ---------------------------------------------------------------
   hiteshjain.tech — dark, luminous, single theme
   --------------------------------------------------------------- */

:root {
  --bg: #07080c;
  --bg-2: #0b0d14;
  --surface: #0f121b;
  --surface-2: #141824;
  --text: #e8ecf5;
  --muted: #9aa3b8;
  --faint: #646d84;
  --line: #1c2130;
  --line-bright: #2a3145;
  --accent: #5ee9d0;
  --accent-2: #8b7cff;
  --accent-ink: #0a0f14;
  --code-bg: #121724;
  --maxw: 46rem;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --display: "Space Grotesk", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  color-scheme: dark;
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}

/* aurora + grid + grain, all painted behind the content */

body::before {
  content: "";
  position: absolute;
  inset: 0 -10vw;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(38rem 30rem at 12% 0rem, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    radial-gradient(34rem 28rem at 92% 6rem, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 68%),
    radial-gradient(48rem 38rem at 60% 100%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 72%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 45rem);
  filter: saturate(1.1);
}

body::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--line-bright) 55%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--line-bright) 55%, transparent) 1px, transparent 1px);
  background-size: 4.5rem 4.5rem;
  mask-image: radial-gradient(1100px 620px at 50% 0, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(1100px 620px at 50% 0, #000 0%, transparent 78%);
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* ---------- hero ---------- */

header.site { padding: 5rem 0 0; }

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 2.4rem;
}

.hero-text { min-width: 0; }

.hero-portrait {
  flex: 0 0 auto;
  position: relative;
  width: 4.6rem;
  height: 4.6rem;
}

.hero-portrait::before {
  content: "";
  position: absolute;
  inset: -14%;
  border-radius: 50%;
  background: conic-gradient(from 210deg, var(--accent), var(--accent-2), var(--accent));
  filter: blur(11px);
  opacity: 0.22;
  animation: drift 14s linear infinite;
}

.hero-portrait img {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line-bright));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 5%, transparent),
              0 10px 28px -10px rgba(0, 0, 0, 0.85);
}

@keyframes drift { to { transform: rotate(360deg); } }

h1 {
  font-family: var(--display);
  font-size: clamp(2.2rem, 7vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
  font-weight: 600;
  background: linear-gradient(100deg, var(--text) 18%, var(--accent) 62%, var(--accent-2) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  font-family: var(--mono);
  font-size: 0.83rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin: 0;
}

.tagline .sep {
  color: var(--accent);
  padding: 0 0.5em;
  opacity: 0.7;
}

.lede p { margin: 0 0 1.15rem; }
.lede p:first-child {
  font-size: 1.1rem;
  color: #f2f5fb;
  letter-spacing: -0.006em;
}
.lede p:last-child { margin-bottom: 0; }

@media (max-width: 34rem) {
  header.site { padding-top: 3.2rem; }
  .hero { gap: 0.85rem; margin-bottom: 2rem; }
  .hero-portrait { width: 3.7rem; height: 3.7rem; }
  .tagline { font-size: 0.74rem; }
}

/* ---------- links ---------- */

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

a:hover {
  border-bottom-color: var(--accent);
  color: color-mix(in srgb, var(--accent) 80%, #fff);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2.2rem;
  padding: 0;
  list-style: none;
}

.links a {
  display: inline-block;
  padding: 0.4rem 0.95rem;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 65%, transparent);
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.links a:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line-bright));
  background: color-mix(in srgb, var(--accent) 9%, var(--surface));
  box-shadow: 0 0 22px -6px color-mix(in srgb, var(--accent) 55%, transparent);
}

/* ---------- sections ---------- */

section { padding-top: 4.5rem; }

h2 {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--faint);
  font-weight: 500;
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
  position: relative;
}

h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 3.5rem;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

/* ---------- writing list ---------- */

.posts { list-style: none; margin: 0; padding: 0; }

.posts li {
  padding: 1.15rem 1.1rem;
  margin: 0 -1.1rem;
  border: 1px solid transparent;
  border-radius: 12px;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.posts li + li { margin-top: 0.2rem; }

.posts li:hover {
  background: color-mix(in srgb, var(--surface) 75%, transparent);
  border-color: var(--line);
  transform: translateX(3px);
}

.post-title {
  display: inline-block;
  font-family: var(--display);
  font-size: 1.14rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text);
  border-bottom: 1px solid transparent;
  letter-spacing: -0.012em;
}

.post-title:hover {
  color: var(--accent);
  border-bottom-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.post-title.ext::after {
  content: "↗";
  display: inline-block;
  margin-left: 0.34em;
  font-size: 0.7em;
  vertical-align: 0.15em;
  color: var(--faint);
  font-weight: 400;
  transition: transform 0.18s ease, color 0.18s ease;
}

.post-title.ext:hover::after {
  color: var(--accent);
  transform: translate(2px, -2px);
}

.post-meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--faint);
  margin: 0.4rem 0 0.55rem;
  text-transform: uppercase;
}

.post-meta .sep { padding: 0 0.45em; opacity: 0.6; }

.posts p.excerpt {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

/* ---------- roles ---------- */

.roles { list-style: none; margin: 0; padding: 0; }

.roles li {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0 1.3rem;
  padding: 0.78rem 0;
  position: relative;
}

.roles li + li { border-top: 1px solid var(--line); }

.roles li:first-child .what strong { color: var(--accent); }

.roles .when {
  font-family: var(--mono);
  color: var(--faint);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  padding-top: 0.25rem;
}

.roles .what strong {
  font-weight: 600;
  display: block;
  letter-spacing: -0.008em;
}

.roles .what span {
  color: var(--muted);
  font-size: 0.93rem;
}

@media (max-width: 34rem) {
  .roles li { grid-template-columns: 1fr; gap: 0.15rem; }
  .roles .when { padding-top: 0; }
}

/* ---------- footer ---------- */

footer.site {
  margin-top: 5.5rem;
  padding: 1.9rem 0 3.5rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

footer.site .sep { padding: 0 0.5em; color: var(--accent); opacity: 0.6; }

/* ---------- scroll reveal ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

html.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-portrait::before, .status .dot { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- article pages ---------- */

.back {
  display: inline-block;
  margin-bottom: 2.4rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--muted);
  border-bottom: none;
}

.back:hover { color: var(--accent); }

article { padding-top: 4rem; }

article h1 {
  font-size: clamp(1.8rem, 5vw, 2.3rem);
  margin-bottom: 0.7rem;
  line-height: 1.15;
}

.byline {
  font-family: var(--mono);
  color: var(--faint);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  margin: 0 0 2.6rem;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--line);
  text-transform: uppercase;
}

.byline .sep { padding: 0 0.45em; opacity: 0.6; }

article h2 {
  font-family: var(--display);
  font-size: 1.3rem;
  text-transform: none;
  letter-spacing: -0.015em;
  color: var(--text);
  font-weight: 600;
  margin: 3rem 0 0.9rem;
  padding-bottom: 0;
  border-bottom: none;
}

article h2::after { display: none; }

article h3 {
  font-size: 1.02rem;
  font-weight: 600;
  margin: 2rem 0 0.7rem;
  letter-spacing: -0.005em;
}

article p { margin: 0 0 1.15rem; }

article ul { padding-left: 1.2rem; margin: 0 0 1.2rem; }

article li { margin-bottom: 0.5rem; }

article strong { font-weight: 620; color: #f2f5fb; }

article figure { margin: 2.2rem 0; }

article img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line-bright);
  border-radius: 10px;
  background: #fff;
}

article figcaption,
.caption {
  font-size: 0.82rem;
  color: var(--faint);
  margin-top: 0.7rem;
  line-height: 1.5;
}

blockquote {
  margin: 1.5rem 0;
  padding: 0.1rem 0 0.1rem 1.15rem;
  border-left: 2px solid color-mix(in srgb, var(--accent) 45%, var(--line-bright));
  color: var(--muted);
}

blockquote p:last-child { margin-bottom: 0; }

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--code-bg);
  border: 1px solid var(--line);
  padding: 0.1em 0.36em;
  border-radius: 5px;
  color: color-mix(in srgb, var(--accent) 65%, var(--text));
}

/* ---------- tables ---------- */

.table-scroll {
  overflow-x: auto;
  margin: 0 0 0.5rem;
  -webkit-overflow-scrolling: touch;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.89rem;
  min-width: 22rem;
}

th, td {
  text-align: left;
  padding: 0.55rem 0.9rem 0.55rem 0;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  font-family: var(--mono);
  color: var(--faint);
  font-weight: 500;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom-color: var(--line-bright);
}

td { font-variant-numeric: tabular-nums; }

td:first-child { white-space: normal; }

table.prose { min-width: 0; }

table.prose td,
table.prose th { white-space: normal; }

table.prose td { vertical-align: top; }

tbody tr:last-child td { border-bottom: none; }

.note {
  font-size: 0.82rem;
  color: var(--faint);
  margin: 0.55rem 0 1.8rem;
}