/* ============================================================
   roshanadhikari.com — editorial minimal
   ============================================================ */

:root {
  --ink: #14242C;
  --ink-body: #2C3A38;
  --paper: #F2F3EF;
  --panel: #FBFBF9;
  --teal: #2B6E60;
  --teal-deep: #1E5248;
  --line: #D6D8CF;
  --muted: #6A736D;
  --maxw: 1080px;
  --serif: "Spectral", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--paper);
  color: var(--ink-body);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.4rem, 5vw, 3rem); }

/* ---------- eyebrow labels ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 1.4rem;
  display: flex; align-items: center; gap: .7rem;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--teal); opacity: .7; }

/* ---------- nav ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(242, 243, 239, .86);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 1.12rem; color: var(--ink); letter-spacing: .01em; }
.brand:hover { color: var(--teal); }
nav ul { display: flex; gap: 1.9rem; list-style: none; align-items: center; }
nav a.navlink {
  font-family: var(--mono); font-size: .76rem;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); transition: color .2s;
}
nav a.navlink:hover { color: var(--ink); }
nav a.navlink.active { color: var(--teal); }

#nav-toggle { display: none; }
.hamburger { display: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

@media (max-width: 680px) {
  .hamburger { display: block; }
  nav ul {
    display: none;
    position: absolute; top: 60px; left: 0; right: 0;
    background: var(--paper);
    flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--line);
    padding: 8px 0 16px;
  }
  #nav-toggle:checked ~ ul { display: flex; }
  nav ul li { width: 100%; text-align: center; }
  nav ul a.navlink { display: block; padding: 12px 0; }
}

/* ---------- hero (home) ---------- */
.hero { padding: clamp(3.4rem, 9vw, 6.5rem) 0 clamp(3rem, 7vw, 5rem); }
.hero-grid {
  display: grid; grid-template-columns: 1.6fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.7rem, 6vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--ink);
  margin: 0 0 1.3rem;
}
.lede {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  line-height: 1.4;
  color: var(--ink);
  max-width: 44ch;
  margin: 0 0 2.4rem;
}
.lede em { color: var(--teal); font-style: italic; }
.record {
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.5;
  border-top: 1px solid var(--line);
  padding-top: 1.6rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .5rem 2rem;
  max-width: 640px;
}
.record dt { color: var(--muted); letter-spacing: .08em; text-transform: uppercase; font-size: .72rem; padding-top: .15rem; }
.record dd { margin: 0; color: var(--ink-body); }
.hero-photo { text-align: center; }
.hero-photo img {
  width: 100%; max-width: 300px; aspect-ratio: 1 / 1.1;
  object-fit: cover; border-radius: 6px;
  border: 1px solid var(--line);
  box-shadow: 0 22px 48px -26px rgba(20, 36, 44, .45);
}
@media (max-width: 760px) {
  .hero { padding: 2rem 0 2.4rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .hero-photo { order: -1; text-align: left; }
  .hero-photo img { max-width: 150px; }
  .record { padding-top: 1.2rem; }
}

/* ---------- explore cards ---------- */
.explore-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.explore-card {
  position: relative; display: block;
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px;
  padding: 1.2rem 1.3rem 1.1rem;
  transition: border-color .2s, transform .2s;
}
.explore-card:hover { border-color: var(--teal); transform: translateY(-2px); }
.x-label { font-family: var(--serif); font-weight: 600; font-size: 1.15rem; color: var(--ink); display: block; margin-bottom: .3rem; }
.x-desc { font-size: .88rem; color: var(--muted); display: block; padding-right: 1.4rem; line-height: 1.5; }
.x-arrow { position: absolute; top: 1.05rem; right: 1.2rem; color: var(--teal); font-family: var(--mono); font-size: 1rem; }
@media (max-width: 640px) {
  .explore-grid { grid-template-columns: 1fr; gap: .7rem; }
  .explore-card { padding: .95rem 1.1rem .9rem; }
  .explore-block { padding-top: 2.2rem; padding-bottom: 2.6rem; }
}

/* ---------- sections ---------- */
section.block { padding: clamp(3.2rem, 7vw, 5.5rem) 0; border-top: 1px solid var(--line); }
section.block.first { border-top: none; }
h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.6rem, 3.2vw, 2.15rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0 0 1.6rem;
}
.section-head { max-width: 62ch; margin-bottom: 2.8rem; }
.section-head p { margin: 0; color: var(--ink-body); }

/* page heads (inner pages) */
.page-head { padding: clamp(3rem, 7vw, 5rem) 0 0; }
.page-head .section-head { margin-bottom: 0; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.about-grid p { margin: 0 0 1.1rem; }
.about-grid p:last-child { margin-bottom: 0; }
.aside { font-family: var(--mono); font-size: .8rem; line-height: 1.7; color: var(--ink-body); }
.aside h3 { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--teal); margin: 0 0 .7rem; font-weight: 500; font-family: var(--mono); }
.aside .row { padding: .55rem 0; border-top: 1px solid var(--line); }
.aside .row:first-of-type { border-top: none; }
@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } }

/* ---------- expertise columns ---------- */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3rem); }
.cols h3 { font-family: var(--serif); font-weight: 600; font-size: 1.15rem; color: var(--ink); margin: 0 0 .9rem; }
.cols ul { list-style: none; margin: 0; padding: 0; }
.cols li { padding: .5rem 0; border-top: 1px solid var(--line); font-size: .96rem; }
@media (max-width: 640px) { .cols { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- assignments / entries ---------- */
.entry {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: clamp(1rem, 3vw, 2.4rem);
  padding: 1.7rem 0;
  border-top: 1px solid var(--line);
}
.entry:last-of-type { border-bottom: 1px solid var(--line); }
.entry-meta { font-family: var(--mono); font-size: .78rem; line-height: 1.5; color: var(--muted); padding-top: .2rem; }
.entry-meta .client { display: block; color: var(--teal); margin-top: .3rem; letter-spacing: .03em; }
.entry h3 { font-family: var(--serif); font-weight: 600; font-size: 1.18rem; line-height: 1.25; color: var(--ink); margin: 0 0 .35rem; }
.entry .role { font-size: .85rem; color: var(--muted); margin: 0 0 .7rem; font-family: var(--mono); letter-spacing: .02em; }
.entry p.desc { margin: 0; font-size: .98rem; color: var(--ink-body); }
@media (max-width: 640px) { .entry { grid-template-columns: 1fr; gap: .6rem; } }

/* ---------- publications ---------- */
.pubs { list-style: none; margin: 0; padding: 0; }
.pub {
  display: grid; grid-template-columns: 2.6rem 1fr; gap: .6rem;
  padding: 1.15rem 0; border-top: 1px solid var(--line);
  font-size: .97rem; line-height: 1.5;
}
.pub:last-child { border-bottom: 1px solid var(--line); }
.pub .n { font-family: var(--mono); font-size: .78rem; color: var(--muted); padding-top: .15rem; }
.pub .title { color: var(--ink); }
a.title { border-bottom: 1px solid var(--line); }
a.title:hover { border-color: var(--teal); color: var(--teal-deep); }
.pub .venue { font-style: italic; color: var(--teal-deep); }
.pub .authors { color: var(--ink-body); }
.pub b { font-weight: 600; color: var(--ink); }
.flag {
  display: inline-block; font-family: var(--mono); font-size: .62rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--teal);
  border: 1px solid var(--teal); border-radius: 2px; padding: .05rem .35rem;
  margin-left: .4rem; vertical-align: 1px;
}
.pub-note { margin: 1.8rem 0 0; font-size: .9rem; color: var(--muted); }
.pub-note a { color: var(--teal-deep); border-bottom: 1px solid var(--line); }
.pub-note a:hover { border-color: var(--teal); }
.subhead {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted); margin: 2.6rem 0 .4rem;
}

/* ---------- teaching ---------- */
.teach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.4rem, 4vw, 3rem); }
.teach-grid h3 { font-family: var(--serif); font-weight: 600; font-size: 1.05rem; color: var(--ink); margin: 0 0 .5rem; }
.teach-grid .place { font-family: var(--mono); font-size: .74rem; color: var(--teal); letter-spacing: .04em; margin: 0 0 .8rem; }
.teach-grid ul { margin: 0; padding-left: 1.1rem; font-size: .94rem; }
.teach-grid li { margin: .25rem 0; }
@media (max-width: 640px) { .teach-grid { grid-template-columns: 1fr; gap: 1.8rem; } }

/* ---------- clients strip ---------- */
.clients { display: flex; flex-wrap: wrap; gap: .6rem .5rem; margin-top: .4rem; }
.clients span {
  font-family: var(--mono); font-size: .76rem;
  color: var(--ink-body); background: var(--panel);
  border: 1px solid var(--line); border-radius: 3px; padding: .3rem .6rem;
}

/* ---------- footer / contact ---------- */
footer { background: var(--ink); color: #DCE3E0; padding: clamp(3.5rem, 8vw, 6rem) 0 3rem; margin-top: clamp(3rem, 7vw, 5rem); }
footer .eyebrow { color: #7FB7AC; }
footer .eyebrow::before { background: #7FB7AC; }
footer h2 { color: #F4F6F4; }
.contact-links {
  display: flex; flex-wrap: wrap; gap: .9rem 2.2rem; margin: 1.8rem 0 0;
  font-family: var(--mono); font-size: .9rem;
}
.contact-links a {
  color: #DCE3E0; border-bottom: 1px solid rgba(220, 227, 224, .28);
  padding-bottom: 2px; transition: border-color .2s, color .2s;
}
.contact-links a:hover { color: #fff; border-color: #7FB7AC; }
.foot-nav { display: flex; flex-wrap: wrap; gap: .9rem 1.8rem; margin-top: 2.6rem; font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; }
.foot-nav a { color: #8A9691; }
.foot-nav a:hover { color: #DCE3E0; }
.foot-meta {
  margin-top: 2.2rem; font-family: var(--mono); font-size: .74rem;
  color: #8A9691; letter-spacing: .04em;
}

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }