/* ============================================================
   Sohhom Bandyopadhyay — portfolio styles
   Shared by /, /cv/, /project/, /blog/
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #fdf8ea;
  --bg-tint: #f5eacd;
  --rule: #f0e3bf;
  --ink: #000000;
  --ink-soft: #28241e;
  --ink-mute: #8a8478;
  --accent: oklch(0.55 0.10 60);
  /* muted ochre/sienna */
  --accent-soft: oklch(0.55 0.10 60 / 0.12);

  --serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --measure: 64ch;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "kern";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Layout ---------- */
.page {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  flex: 1;
}

.page--wide {
  max-width: 1100px;
}

main {
  padding: 2.5rem 0 4rem;
}

/* ---------- Header / Nav ---------- */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}

.site-header__inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem var(--gutter);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.005em;
  color: var(--ink);
  text-decoration: none;
}

.brand small {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--ink-mute);
  margin-left: 0.5rem;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  gap: 1.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: lowercase;
  letter-spacing: 0.06em;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}

.nav a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
  padding: 1.5rem 0 2rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}

.site-footer__inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--ink);
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
  margin: 0;
}

h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.375rem;
}

p {
  margin: 0 0 1rem;
  max-width: var(--measure);
  text-wrap: pretty;
}

strong {
  font-weight: 600;
}

em {
  font-style: italic;
  color: var(--ink);
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-thickness: 2px;
}

ul,
ol {
  padding-left: 1.2rem;
  margin: 0 0 1rem;
  max-width: var(--measure);
}

li {
  margin-bottom: 0.35rem;
}

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

/* ---------- Section labels (small caps mono) ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: block;
  margin-bottom: 0.75rem;
}

/* ---------- Home page intro ---------- */
.intro {
  padding: 2.5rem 0 1rem;
}

.intro__name {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.intro__roles {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin-bottom: 2rem;
}

.intro__bio {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 65ch;
}

.intro__bio strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Domain chips ---------- */
.domains {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 2.5rem;
  list-style: none;
  padding: 0;
}

.domains li {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink-soft);
  background: var(--bg-tint);
  margin: 0;
}

/* ---------- Index list (used for nav cards, project list, blog list) ---------- */
.index-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 100%;
}

.index-list>li {
  margin: 0;
  border-top: 1px solid var(--rule);
}

.index-list>li:last-child {
  border-bottom: 1px solid var(--rule);
}

.entry {
  display: grid;
  grid-template-columns: 7rem 1fr auto;
  gap: 1.5rem;
  padding: 1.25rem 0;
  align-items: baseline;
  text-decoration: none;
  color: var(--ink);
  transition: background .15s ease, padding .15s ease;
}

.entry:hover {
  background: var(--bg-tint);
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.entry__meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.entry__title {
  font-family: var(--sans);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink);
}

.entry__title small {
  display: block;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-top: 0.25rem;
  font-style: normal;
}

.entry__arrow {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-mute);
  transition: transform .15s ease, color .15s ease;
}

.entry:hover .entry__arrow {
  transform: translateX(3px);
  color: var(--accent);
}

@media (max-width: 600px) {
  .entry {
    grid-template-columns: 1fr auto;
    gap: 0.5rem 1rem;
  }

  .entry__meta {
    grid-column: 1 / -1;
  }
}

/* ---------- CV ---------- */
.cv-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
}

.cv-header h1 {
  margin-bottom: 0.25rem;
}

.cv-header__sub {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  transition: background .15s ease, color .15s ease;
}

.btn:hover {
  background: var(--bg);
  color: var(--ink);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--bg);
}

.cv-row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule);
}

.cv-row:last-of-type {
  border-bottom: 1px solid var(--rule);
}

.cv-row__when {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  padding-top: 0.15rem;
}

.cv-row__what h3 {
  margin-top: 0;
  margin-bottom: 0.15rem;
  font-weight: 600;
}

.cv-row__what .where {
  font-family: var(--sans);
  font-style: normal;
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  display: block;
}

.cv-row__what ul {
  margin-top: 0.5rem;
}

.cv-row__what p {
  margin-bottom: 0.5rem;
}

@media (max-width: 600px) {
  .cv-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

/* ---------- Skills grid ---------- */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.5rem 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 1.5rem;
  max-width: var(--measure);
}

.skills li {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.25rem 0;
  color: var(--ink-soft);
  border-bottom: 1px dotted var(--rule);
  margin: 0;
}

/* ---------- Project detail page ---------- */
.project-hero {
  padding: 1.5rem 0 2rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
}

.project-hero__kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.project-hero h1 {
  margin-bottom: 0.75rem;
}

.project-hero__lede {
  font-family: var(--sans);
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 65ch;
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.25rem 1.5rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--rule);
}

.project-meta dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.25rem;
}

.project-meta dd {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--ink);
  margin: 0;
}

/* ---------- Image placeholder ---------- */
.figure {
  margin: 2rem 0;
  max-width: 100%;
}

.figure__frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  background:
    repeating-linear-gradient(135deg,
      var(--bg-tint) 0px, var(--bg-tint) 12px,
      transparent 12px, transparent 24px),
    var(--bg);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.figure figcaption {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  margin-top: 0.5rem;
  padding-left: 0.1rem;
}

/* ---------- Tables in post bodies ---------- */
.table-scroll,
article table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

article table {
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: 0.86rem;
  line-height: 1.45;
  white-space: nowrap;
}

article th,
article td {
  padding: 0.45rem 0.9rem 0.45rem 0;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

article th {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
  border-bottom-color: var(--ink-mute);
}

/* Numeric-looking cells read better in the mono face. */
article td strong {
  color: var(--ink);
  font-weight: 600;
}

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

/* ---------- Real images in post bodies ---------- */
article img {
  display: block;
  width: 100%;
  height: auto;
  margin: 2rem 0 0.5rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: #fff;
}

/* A paragraph holding only an image, followed by an italic caption line. */
article p > img:only-child {
  margin-bottom: 0;
}

article p > img:only-child + em,
article p > em.caption {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-style: normal;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  margin-top: 0.5rem;
}

/* ---------- Pullquote ---------- */
blockquote {
  margin: 1.75rem 0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  border-left: 2px solid var(--accent);
  font-style: italic;
  color: var(--ink-soft);
  max-width: var(--measure);
}

/* ---------- Code / inline tokens ---------- */
code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-tint);
  border: 1px solid var(--rule);
  padding: 0.05em 0.35em;
  border-radius: 2px;
}

/* ---------- Contact row ---------- */
.contact {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.contact a {
  color: var(--ink);
}

.contact span.label {
  color: var(--ink-mute);
  margin-right: 0.4rem;
}

/* ---------- Selection ---------- */
::selection {
  background: var(--accent-soft);
  color: var(--ink);
}