/* ─────────────────────────────────────────────────────────────
   Rohan Dutta — personal site
   Light, soft-tinted, bento-card layout
   ───────────────────────────────────────────────────────────── */
:root {
  --ground: #E2EBF6;       /* page — light powder blue */
  --card: #F5F9FD;         /* card surface — palest blue */
  --sunk: #E1E9F3;
  --line: #D3DEEB;
  --ink: #17201B;
  --muted: #55606C;
  --accent: #2E6A4F;       /* forest green */
  --accent-ink: #F5F3EC;
  --amber: #B8741A;

  --sky: #DFEAF5;   --sky-ink: #23527C;
  --sage: #E0ECE2;  --sage-ink: #2E6A4F;
  --peach: #F6E4D3; --peach-ink: #8A4B16;
  --rose: #F4DEE4;  --rose-ink: #8C3550;
  --lilac: #E7E3F4; --lilac-ink: #4B3F86;
  --butter: #F4EBCB;

  --sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --r-lg: 28px;
  --r: 18px;
  --shadow: 0 1px 2px rgba(23, 32, 27, .04), 0 12px 32px -18px rgba(23, 32, 27, .22);
  --shadow-hover: 0 2px 4px rgba(23, 32, 27, .05), 0 20px 40px -18px rgba(23, 32, 27, .30);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh;
  background: var(--ground);
  color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
/* soft colour glows behind everything */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(40rem 28rem at 8% -6%, #D3EBE0 0%, transparent 60%),
    radial-gradient(36rem 26rem at 96% 4%, #DAD9F4 0%, transparent 60%),
    radial-gradient(34rem 24rem at 70% 108%, #CFE2F6 0%, transparent 60%);
}
a { color: inherit; }
img { max-width: 100%; display: block; }
#main:focus { outline: none; }
:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
[id] { scroll-margin-top: 96px; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 clamp(14px, 3.5vw, 32px); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--ground); padding: 10px 16px; border-radius: 10px; z-index: 20; }
.skip:focus { left: 8px; }
.eyebrow { font-family: var(--mono); font-size: 11.5px; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); margin: 0; }
.eyebrow.accent { color: var(--accent); }

/* ── Floating glass header ────────────────────────────────── */
.site-header { position: sticky; top: 12px; z-index: 10; padding: 0 clamp(10px, 3vw, 24px); }
.header-row {
  max-width: 1136px; margin: 12px auto 0; min-height: 60px;
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px 18px;
  padding: 8px 10px 8px 18px; border-radius: 999px;
  background: rgba(245, 249, 253, .74); backdrop-filter: saturate(1.4) blur(16px); -webkit-backdrop-filter: saturate(1.4) blur(16px);
  border: 1px solid rgba(255, 255, 255, .7); box-shadow: var(--shadow);
}
.site-header .wrap.header-row { padding-left: 18px; padding-right: 10px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 17px; letter-spacing: -.01em; color: var(--accent); }
.brand span { color: var(--ink); }
.nav { display: flex; gap: 2px; flex-wrap: wrap; margin-right: auto; }
.nav a { text-decoration: none; font-size: 14.5px; font-weight: 500; padding: 9px 14px; border-radius: 999px; color: var(--muted); transition: background .15s, color .15s; }
.nav a:hover { color: var(--ink); background: rgba(23, 32, 27, .05); }
.nav a.active { color: var(--accent-ink); background: var(--ink); }
.header-icons { display: flex; gap: 2px; }
.icon-btn { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 999px; color: var(--ink); text-decoration: none; transition: background .15s, color .15s; }
.icon-btn:hover { background: rgba(23, 32, 27, .06); color: var(--accent); }
.icon-btn svg { width: 19px; height: 19px; }
@media (max-width: 760px) {
  .header-row { border-radius: 24px; padding: 10px 12px; }
  .nav { order: 3; width: 100%; margin: 0; overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .header-icons { margin-left: auto; }
}

/* ── Cards ────────────────────────────────────────────────── */
.card { background: var(--card); border: 1px solid rgba(255, 255, 255, .8); border-radius: var(--r-lg); box-shadow: var(--shadow); padding: clamp(22px, 3vw, 32px); min-width: 0; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.card-head h2 { margin: 0; font-size: 20px; font-weight: 700; letter-spacing: -.015em; }
.card-head .handle { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.link { font-weight: 600; font-size: 14px; text-decoration: none; color: var(--accent); padding: 8px 0; }
.link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ── Bento grid ───────────────────────────────────────────── */
.bento {
  display: grid; gap: 16px; padding-top: clamp(28px, 5vw, 56px);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "hero  hero   follow"
    "about beyond follow"
    "notes notes  news"
    "blog  blog   news";
}
.b-hero { grid-area: hero; } .b-follow { grid-area: follow; } .b-about { grid-area: about; }
.b-beyond { grid-area: beyond; } .b-blog { grid-area: blog; } .b-news { grid-area: news; min-width: 0; }
.b-notes { grid-area: notes; }
@media (max-width: 980px) {
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas: "hero hero" "follow follow" "about beyond" "notes notes" "blog blog" "news news"; }
}
@media (max-width: 640px) {
  .bento { grid-template-columns: minmax(0, 1fr); gap: 12px;
    grid-template-areas: "hero" "follow" "notes" "blog" "news" "about" "beyond"; }
}

/* hero */
.b-hero { position: relative; overflow: hidden; padding: clamp(28px, 4.5vw, 56px); display: flex; flex-direction: column; justify-content: flex-end; min-height: 380px; }
.b-hero::after { /* soft colour orb */
  content: ""; position: absolute; width: 420px; height: 420px; right: -120px; top: -160px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #CDE6DA, #D4E2F5 55%, transparent 70%); opacity: .9; pointer-events: none;
}
.b-hero > * { position: relative; z-index: 1; }
.hero-id { display: flex; align-items: center; gap: 14px; }
.hero-avatar { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; border: 3px solid #fff; box-shadow: 0 6px 18px -8px rgba(23, 32, 27, .35); }
.hero-id strong { display: block; font-size: 18px; font-weight: 700; letter-spacing: -.01em; margin-bottom: 3px; }
.b-hero h1 { margin: 22px 0 0; font-size: clamp(36px, 5.4vw, 68px); line-height: 1.02; letter-spacing: -.035em; font-weight: 800; max-width: 15ch; }
.hero-intro { margin: 20px 0 0; max-width: 52ch; font-size: 17px; color: var(--muted); }

.places { list-style: none; margin: 26px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.place { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px 8px 11px; border-radius: 999px; font-size: 14.5px; font-weight: 500; }
.place svg { width: 17px; height: 17px; flex: none; }
.place strong { font-family: var(--mono); font-size: 12.5px; letter-spacing: .06em; font-weight: 500; }
.place span { color: var(--ink); }
.place em { font-style: normal; font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; opacity: .8; }
.place.home { background: var(--sage); color: var(--sage-ink); }
.place.work { background: var(--sky); color: var(--sky-ink); }

.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-top: 22px; }
.hero-cta .btn { min-height: 48px; padding: 0 22px; font-size: 15px; }
.hero-cta .btn svg { width: 18px; height: 18px; }
.hero-cta span { font-size: 13.5px; color: var(--muted); }

/* follow card */
.b-follow { display: flex; flex-direction: column; }
.shortcuts { display: flex; flex-direction: column; gap: 8px; }
.shortcut { display: flex; align-items: center; gap: 12px; padding: 10px 10px 10px 10px; border-radius: 16px; text-decoration: none; background: transparent; border: 1px solid transparent; transition: background .15s, border-color .15s, transform .15s; }
.shortcut:hover { background: #fff; border-color: var(--line); transform: translateX(2px); }
.shortcut .glyph { width: 40px; height: 40px; flex: none; border-radius: 12px; display: grid; place-items: center; }
.shortcut .glyph svg { width: 20px; height: 20px; }
.shortcut strong { display: block; font-size: 15px; font-weight: 600; line-height: 1.25; }
.shortcut small { display: block; font-size: 12.5px; color: var(--muted); }
.shortcut.featured { background: var(--sky); }
.shortcut.featured small { color: var(--sky-ink); }
.shortcut.featured:hover { border-color: #C3D7EC; }
.glyph.tint-linkedin  { background: #fff; color: var(--sky-ink); }
.glyph.tint-instagram { background: var(--rose);  color: var(--rose-ink); }
.glyph.tint-facebook  { background: var(--lilac); color: var(--lilac-ink); }
.glyph.tint-x         { background: var(--butter); color: var(--ink); }
.glyph.tint-github    { background: var(--sunk); color: var(--ink); }
.glyph.tint-mentor    { background: var(--peach); color: var(--peach-ink); }
.shortcut.mentor { border: 1px dashed #E7CDB3; }
.shortcut.mentor .follow-pill { background: var(--peach-ink); }
.glyph.tint-gmail     { background: var(--peach); color: var(--peach-ink); }
.follow-pill { margin-left: auto; flex: none; font-size: 12px; font-weight: 700; padding: 7px 13px; border-radius: 999px; background: var(--ink); color: var(--accent-ink); transition: background .15s; }
.shortcut:hover .follow-pill { background: var(--accent); }
.shortcut.featured .follow-pill { background: var(--sky-ink); }

.followers { margin-top: auto; padding: 18px; border-radius: 20px; background: var(--lilac); display: flex; flex-direction: column; gap: 12px; }
.b-follow .shortcuts { margin-bottom: 16px; }
.b-follow .followers { margin-top: auto; }
.followers:empty { display: none; }
.followers-head strong { display: block; font-size: 15px; font-weight: 700; }
.followers-head span { font-size: 13px; color: var(--lilac-ink); }
.faces { list-style: none; margin: 0; padding: 0 0 0 8px; display: flex; flex-wrap: wrap; }
.faces li { margin-left: -8px; }
.faces a { display: block; border-radius: 50%; transition: transform .15s; }
.faces a:hover { transform: translateY(-3px); position: relative; z-index: 1; }
.faces img { width: 36px; height: 36px; border-radius: 50%; border: 2.5px solid var(--lilac); background: #fff; }
.faces .more a { width: 36px; height: 36px; border-radius: 50%; background: #fff; border: 2.5px solid var(--lilac); display: grid; place-items: center; font-weight: 700; font-size: 11px; color: var(--lilac-ink); text-decoration: none; }

/* about + beyond */
.b-about { background: var(--sage); border-color: transparent; display: flex; flex-direction: column; justify-content: center; }
.about-line { margin: 12px 0 0; font-size: clamp(20px, 2vw, 25px); line-height: 1.2; letter-spacing: -.02em; font-weight: 700; }
.about-line.sub { margin-top: 8px; font-size: 15.5px; font-weight: 600; letter-spacing: 0; color: var(--sage-ink); }
.chips { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 7px; }
.chip { font-size: 13px; font-weight: 500; padding: 7px 12px; border-radius: 999px; background: var(--sunk); }
.chip.t0 { background: var(--sage); } .chip.t1 { background: var(--sky); } .chip.t2 { background: var(--peach); }
.chip.t3 { background: var(--rose); } .chip.t4 { background: var(--lilac); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 999px; font-weight: 600; font-size: 14px; text-decoration: none; border: 1.5px solid var(--ink); color: var(--ink); background: transparent; cursor: pointer; font-family: inherit; transition: background .15s, color .15s, border-color .15s; }
.btn:hover { background: var(--ink); color: var(--ground); }
.btn.solid { background: var(--ink); border-color: var(--ink); color: var(--accent-ink); }
.btn.solid:hover { background: var(--accent); border-color: var(--accent); }
.btn.small { min-height: 40px; padding: 0 16px; font-size: 13px; }
.btn.block { width: 100%; }
.btn svg { width: 16px; height: 16px; }

/* ── Posts ────────────────────────────────────────────────── */
.post-list { display: grid; gap: 10px; }
.post-card { display: block; text-decoration: none; padding: 20px 22px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); transition: transform .15s, box-shadow .15s, border-color .15s; }
.post-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: transparent; }
.post-card h3 { margin: 8px 0 6px; font-size: 20px; line-height: 1.25; letter-spacing: -.015em; font-weight: 700; }
.post-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }
.meta { display: flex; gap: 10px; flex-wrap: wrap; font-family: var(--mono); font-size: 11.5px; color: var(--muted); letter-spacing: .03em; }
.meta .kind { color: var(--accent); text-transform: uppercase; letter-spacing: .09em; }
.note { padding: 18px 22px; border-radius: var(--r); background: var(--peach); }
.note .meta .kind { color: var(--peach-ink); }
.note .body { font-family: var(--serif); font-size: 18px; line-height: 1.55; margin-top: 6px; }
.note .body p { margin: 0 0 .6em; } .note .body p:last-child { margin: 0; }
.empty { padding: 24px; border-radius: var(--r); border: 1.5px dashed var(--line); color: var(--muted); margin: 0; }

/* ── Notes feed (social-post style) ───────────────────────── */
.feed { display: flex; flex-direction: column; gap: 10px; }
.feed-post { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 12px; padding: 16px 18px 10px; border-radius: 20px; background: #fff; border: 1px solid var(--line); transition: box-shadow .15s, border-color .15s; }
.feed-post:hover { box-shadow: var(--shadow-hover); border-color: transparent; }
.feed-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.feed-avatar.initials { display: grid; place-items: center; background: var(--sage); color: var(--sage-ink); font-weight: 800; font-size: 15px; letter-spacing: .02em; }
.feed-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 8px; line-height: 1.3; }
.feed-head strong { font-size: 15px; font-weight: 700; }
.feed-head span { font-size: 13.5px; color: var(--muted); }
.feed-head time { color: inherit; }
.feed-body { margin-top: 4px; font-size: 15.5px; line-height: 1.55; overflow-wrap: anywhere; }
.feed-body p { margin: 0 0 .55em; } .feed-body p:last-child { margin-bottom: 0; }
.feed-body img { width: 100%; max-height: 440px; object-fit: cover; border-radius: 16px; margin: 10px 0 2px; border: 1px solid var(--line); }
.feed-body a { color: var(--accent); }
.feed-actions { display: flex; flex-wrap: wrap; gap: 2px; margin: 8px 0 0 -10px; }
.act { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 12px 0 10px; border: 0; border-radius: 999px; background: none; font: inherit; font-size: 13px; font-weight: 600; color: var(--muted); text-decoration: none; cursor: pointer; transition: background .15s, color .15s; }
.act svg { width: 17px; height: 17px; }
.act:hover { background: var(--sage); color: var(--sage-ink); }
.act[data-share]:hover { background: var(--sky); color: var(--sky-ink); }
.post-list .feed-post { margin: 0; }

.note-page .back { margin-bottom: 20px; }
.feed-post.open { padding: 0; border: 0; background: transparent; box-shadow: none; grid-template-columns: 52px minmax(0, 1fr); }
.feed-post.open .feed-avatar { width: 52px; height: 52px; }
.feed-post.open .feed-head strong { font-size: 17px; }
.feed-post.open .feed-body { font-size: 19px; line-height: 1.6; margin-top: 8px; }

/* ── News ─────────────────────────────────────────────────── */
.news { height: 100%; border-radius: var(--r-lg); background: var(--card); border: 1px solid rgba(255, 255, 255, .8); box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; }
.news-top { padding: 22px 22px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; row-gap: 2px; gap: 12px; }
.news-top h2 { margin: 0 auto 0 0; font-size: 20px; font-weight: 700; letter-spacing: -.015em; white-space: nowrap; }
.news-top .updated { order: 3; flex-basis: 100%; font-family: var(--mono); font-size: 11px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.news-top .updated.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #2FA36B; box-shadow: 0 0 0 3px rgba(47, 163, 107, .2); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(47, 163, 107, .08); } }
.refresh { width: 36px; height: 36px; display: grid; place-items: center; border: 0; border-radius: 999px; background: var(--sunk); color: var(--ink); cursor: pointer; transition: background .15s; }
.refresh:hover { background: var(--sky); }
.refresh[aria-busy="true"] svg { animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.tabs { display: flex; gap: 4px; margin: 14px 16px 0; padding: 4px; border-radius: 999px; background: var(--sunk); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { font: inherit; font-size: 12.5px; font-weight: 600; white-space: nowrap; min-height: 34px; padding: 0 12px; border-radius: 999px; border: 0; background: transparent; color: var(--muted); cursor: pointer; transition: background .15s, color .15s, box-shadow .15s; }
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(23, 32, 27, .12); }
.news ol { list-style: none; margin: 8px 0 0; padding: 0 10px 10px; counter-reset: n; }
.news li { counter-increment: n; }
.news li a { display: grid; grid-template-columns: 24px 1fr; gap: 3px 8px; padding: 11px 12px 11px 10px; border-radius: 14px; text-decoration: none; transition: background .15s; }
.news li a:hover { background: #fff; }
.news li a::before { content: counter(n, decimal-leading-zero); font-family: var(--mono); font-size: 11px; color: var(--amber); padding-top: 3px; grid-row: span 2; }
.news .h { font-size: 14.5px; font-weight: 600; line-height: 1.38; }
.news .s { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.news .news-empty { padding: 20px 22px 26px; color: var(--muted); font-size: 14px; margin: 0; }

/* ── Blog page ────────────────────────────────────────────── */
.section { padding-top: clamp(32px, 6vw, 64px); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.section-head h2 { margin: 8px 0 0; font-size: clamp(30px, 4vw, 44px); letter-spacing: -.03em; line-height: 1.05; font-weight: 800; }
.filters { display: flex; gap: 4px; padding: 4px; border-radius: 999px; background: var(--sunk); }
.filters button { font: inherit; font-size: 13.5px; font-weight: 600; min-height: 36px; padding: 0 16px; border-radius: 999px; border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.filters button[aria-pressed="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(23, 32, 27, .12); }

/* ── Single post ──────────────────────────────────────────── */
.article { max-width: 740px; margin: clamp(28px, 5vw, 56px) auto 0; padding: clamp(24px, 5vw, 56px); background: var(--card); border-radius: var(--r-lg); box-shadow: var(--shadow); }
.article h1 { font-size: clamp(32px, 4.8vw, 52px); line-height: 1.05; letter-spacing: -.03em; margin: 14px 0 18px; font-weight: 800; }
.article .cover { border-radius: var(--r); margin: 28px 0; }
.prose { font-family: var(--serif); font-size: 20px; line-height: 1.7; }
.prose h2, .prose h3 { font-family: var(--sans); letter-spacing: -.015em; line-height: 1.2; margin: 1.8em 0 .5em; }
.prose blockquote { margin: 1.4em 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--amber); font-style: italic; color: var(--muted); }
.prose img { border-radius: 16px; margin: 1.4em 0; }
.prose a { color: var(--accent); }
.prose code { font-family: var(--mono); font-size: .78em; background: var(--sunk); padding: 2px 6px; border-radius: 6px; }
.prose pre { background: var(--sunk); padding: 16px; border-radius: 14px; overflow-x: auto; }
.back { display: inline-flex; gap: 8px; align-items: center; text-decoration: none; color: var(--muted); font-weight: 600; font-size: 14px; padding: 8px 14px; border-radius: 999px; background: var(--sunk); }
.back:hover { color: var(--ink); background: var(--line); }

/* ── Email row (hidden unless enabled in config) ─────────── */
.mail-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 22px 24px; border-radius: var(--r-lg); background: var(--butter); margin-top: 16px; }
.mail-row .who { margin-right: auto; }
.mail-row .who strong { display: block; } .mail-row .who small { color: var(--muted); font-family: var(--mono); font-size: 12px; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer { margin-top: clamp(48px, 8vw, 96px); }
.footer-row { display: flex; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding: 24px clamp(14px, 3.5vw, 32px) 36px; font-family: var(--mono); font-size: 11.5px; color: var(--muted); border-top: 1px solid var(--line); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }