/* =========================================================================
   Zeenar Salim — Portfolio
   Aesthetic: modern minimal. Warm cream, deep ink, terracotta accent.
   Type: Fraunces (display serif) + Inter (body sans)
   ========================================================================= */

:root {
  --cream:      #ffffff;
  --cream-2:    #f2f2f2;
  --paper:      #f7f7f7;
  --ink:        #000000;
  --ink-soft:   #2a2a2a;
  --ink-mute:   #6e6e6e;
  --rule:       #e5e5e5;
  --accent:     #ba0c2f;  /* UGA Bulldog Red */
  --accent-soft: #d94a6a;

  --serif: "Arial", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --wrap: 72rem;
  --wrap-narrow: 44rem;

  --radius: 2px;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.625rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: clamp(2.5rem, 6vw, 4.5rem);
  --fs-hero: clamp(3rem, 9vw, 7rem);
}

/* -------------------------------------------------------------------------
   Reset
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  /*font-feature-settings: "ss01", "ss02", "cv11";*/
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; height: auto; }
a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); transition: color .2s, border-color .2s; }
a:hover { color: var(--accent); border-color: var(--accent); }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.02em; line-height: 1.1; margin: 0; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.25rem; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--cream);
  padding: .5rem 1rem; z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }

/* -------------------------------------------------------------------------
   Header / nav
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 241, 232, 0.88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 4.5rem;
}
.site-brand {
  display: inline-flex; align-items: center; gap: .65rem;
  border: none; color: var(--ink);
}
.brand-mark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.25rem;
  width: 2rem; height: 2rem;
  display: inline-grid; place-items: center;
  background: var(--ink); color: var(--cream);
  border-radius: 50%;
}
.brand-name { font-family: var(--serif); font-size: 1.125rem; font-weight: 500; letter-spacing: -0.01em; }

.site-nav ul {
  display: flex; gap: 1.75rem;
  list-style: none; padding: 0; margin: 0;
}
.site-nav a {
  border: none;
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  position: relative; padding: .35rem 0;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--accent);
}

.nav-toggle { display: none; }

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 4px;
    background: transparent; border: none; cursor: pointer;
    padding: .5rem;
  }
  .nav-toggle span {
    display: block; width: 22px; height: 2px; background: var(--ink);
    transition: transform .2s;
  }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--rule);
    transform: translateY(-10px); opacity: 0; pointer-events: none;
    transition: transform .2s, opacity .2s;
  }
  .site-nav.is-open {
    transform: translateY(0); opacity: 1; pointer-events: auto;
  }
  .site-nav ul {
    flex-direction: column; gap: 0;
    padding: .5rem 1.5rem 1.25rem;
  }
  .site-nav li {
    border-top: 1px solid var(--rule);
  }
  .site-nav a { display: block; padding: .9rem 0; font-size: var(--fs-md); }
}

/* -------------------------------------------------------------------------
   Home / hero
   ------------------------------------------------------------------------- */
.hero {
  padding: clamp(3rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
  border-bottom: 1px solid var(--rule);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.4fr 1fr; gap: 4rem; align-items: end; }
}
.hero-kicker {
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 1.25rem;
}
.hero-kicker::before {
  content: ""; display: inline-block; width: 2rem; height: 1px;
  background: var(--accent); vertical-align: middle; margin-right: .75rem;
}
.hero-title {
  font-size: var(--fs-hero);
  font-weight: 300;
  margin: 0 0 1.25rem;
}
.hero-title em {
  font-style: italic; color: var(--accent);
  font-feature-settings: "ss01";
}
.hero-lede {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 38rem;
}
.hero-meta {
  font-size: var(--fs-sm);
  color: var(--ink-mute);
  border-left: 1px solid var(--rule);
  padding-left: 1.5rem;
}
.hero-meta strong { color: var(--ink); font-weight: 500; }
.hero-meta p + p { margin-top: 1rem; }

/* -------------------------------------------------------------------------
   Home sections
   ------------------------------------------------------------------------- */
.section {
  padding: clamp(3rem, 7vw, 5rem) 0;
  border-bottom: 1px solid var(--rule);
}
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.section-label {
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0;
}
.section-title {
  font-size: var(--fs-3xl);
  font-weight: 300;
  max-width: 24ch;
}
.section-link { font-size: var(--fs-sm); }

/* -------------------------------------------------------------------------
   Card grid (projects, etc.)
   ------------------------------------------------------------------------- */
.card-grid {
  display: grid; gap: 2rem;
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
}
.card {
  display: block; border: none;
  padding: 1.75rem; background: var(--paper);
  border-radius: var(--radius);
  transition: transform .25s, background .25s;
  position: relative;
}
.card:hover { background: var(--cream-2); transform: translateY(-2px); }
.card-kicker {
  font-size: var(--fs-xs); letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-mute); margin: 0 0 .75rem;
}
.card-title {
  font-family: var(--serif); font-size: var(--fs-xl); line-height: 1.2;
  margin: 0 0 .75rem; color: var(--ink);
}
.card-summary {
  font-size: var(--fs-sm); color: var(--ink-soft); margin: 0 0 1rem;
}
.card-tags {
  display: flex; flex-wrap: wrap; gap: .4rem;
  list-style: none; padding: 0; margin: 0;
}
.card-tags li {
  font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  padding: .3rem .6rem; background: var(--cream); color: var(--ink-soft);
  border-radius: 999px;
}

/* -------------------------------------------------------------------------
   Publication list (editorial layout)
   ------------------------------------------------------------------------- */
.pub-list { list-style: none; padding: 0; margin: 0; }
.pub-item {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--rule);
}
.pub-item:last-child { border-bottom: 1px solid var(--rule); }
.pub-year {
  font-family: var(--serif); font-size: 1.75rem; color: var(--ink-mute);
  font-weight: 300;
}
.pub-title {
  font-family: var(--serif); font-size: var(--fs-lg); line-height: 1.3;
  margin: 0 0 .35rem;
}
.pub-title a { border: none; }
.pub-venue {
  font-size: var(--fs-sm); color: var(--ink-mute); margin: 0 0 .5rem;
  font-style: italic;
}
.pub-authors {
  font-size: var(--fs-sm); color: var(--ink-soft); margin: 0;
}

/* -------------------------------------------------------------------------
   Page header (interior pages)
   ------------------------------------------------------------------------- */
.page {
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 7vw, 6rem);
}
.page-header {
  max-width: var(--wrap-narrow);
  margin: 0 auto clamp(2rem, 5vw, 3.5rem);
  padding: 0 1.5rem;
}
.page-kicker {
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 1rem;
}
.page-title {
  font-size: var(--fs-3xl);
  font-weight: 300;
  margin: 0 0 1rem;
}
.page-subtitle {
  font-family: var(--serif);
  font-size: var(--fs-lg);
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.4;
}
.page-body {
  max-width: var(--wrap-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* -------------------------------------------------------------------------
   Prose
   ------------------------------------------------------------------------- */
.prose { font-size: var(--fs-md); color: var(--ink-soft); }
.prose h2 {
  font-size: var(--fs-2xl); color: var(--ink);
  margin: 2.5rem 0 1rem;
}
.prose h3 {
  font-size: var(--fs-xl); color: var(--ink);
  margin: 2rem 0 .75rem;
}
.prose p, .prose ul, .prose ol { margin: 0 0 1.25em; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: .25rem 0 .25rem 1.25rem;
  margin: 1.5rem 0;
  font-family: var(--serif); font-style: italic;
  color: var(--ink); font-size: var(--fs-lg);
}
.prose code {
  font-family: "SF Mono", Menlo, monospace;
  font-size: .9em;
  background: var(--cream-2);
  padding: .1em .35em;
  border-radius: 2px;
}
.prose pre {
  background: var(--ink); color: var(--cream);
  padding: 1.25rem; border-radius: var(--radius);
  overflow-x: auto; font-size: var(--fs-sm);
}
.prose pre code { background: transparent; padding: 0; color: inherit; }
.prose hr { border: none; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

.project-meta {
  max-width: var(--wrap-narrow);
  margin: 0 auto 2rem;
  padding: 1.5rem;
  background: var(--paper);
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: .5rem 1.5rem;
  font-size: var(--fs-sm);
}
.project-meta dt {
  font-size: var(--fs-xs); letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-mute); align-self: center;
}
.project-meta dd { margin: 0; color: var(--ink); }

.link-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 1rem; }
.link-list a {
  font-size: var(--fs-sm);
  padding: .5rem .9rem; background: var(--paper); border: none;
}
.link-list a:hover { background: var(--accent); color: var(--cream); }

.post-footer {
  max-width: var(--wrap-narrow);
  margin: 3rem auto 0;
  padding: 2rem 1.5rem 0;
  border-top: 1px solid var(--rule);
}
.back-link { font-size: var(--fs-sm); border: none; color: var(--ink-mute); }
.back-link:hover { color: var(--accent); }

/* -------------------------------------------------------------------------
   Blog & post list
   ------------------------------------------------------------------------- */
.post-list { list-style: none; padding: 0; margin: 0; max-width: var(--wrap-narrow); margin-inline: auto; padding-inline: 1.5rem; }
.post-list li {
  padding: 1.75rem 0;
  border-top: 1px solid var(--rule);
}
.post-list li:last-child { border-bottom: 1px solid var(--rule); }
.post-list h3 { font-size: var(--fs-xl); margin: 0 0 .35rem; }
.post-list h3 a { border: none; }
.post-list .meta { font-size: var(--fs-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-mute); }
.post-list .excerpt { font-size: var(--fs-sm); color: var(--ink-soft); margin: .5rem 0 0; }

/* -------------------------------------------------------------------------
   CV
   ------------------------------------------------------------------------- */
.cv-section { margin: 2.5rem 0; }
.cv-section h2 {
  font-size: var(--fs-xl);
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.25rem;
}
.cv-entry {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.25rem;
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
}
.cv-entry:first-of-type { border-top: none; }
.cv-when { font-size: var(--fs-sm); color: var(--ink-mute); font-variant-numeric: tabular-nums; }
.cv-what h3 { font-size: var(--fs-md); font-family: var(--sans); font-weight: 500; margin: 0 0 .25rem; letter-spacing: 0; }
.cv-what p { font-size: var(--fs-sm); color: var(--ink-soft); margin: 0; }

@media (max-width: 620px) {
  .cv-entry { grid-template-columns: 1fr; gap: .25rem; }
  .pub-item { grid-template-columns: 1fr; }
  .pub-year { font-size: 1.25rem; }
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--cream);
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  margin-top: 0;
}
.site-footer a { color: var(--cream); border-color: rgba(246, 241, 232, 0.2); }
.site-footer a:hover { color: var(--accent-soft); border-color: var(--accent-soft); }
.footer-inner {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .footer-inner { grid-template-columns: 1.3fr 1fr 1fr; gap: 3rem; }
}
.footer-brand { font-family: var(--serif); font-size: 1.375rem; margin: 0 0 .5rem; }
.footer-tagline { font-family: var(--serif); font-style: italic; color: rgba(246, 241, 232, 0.75); margin: 0; max-width: 28ch; }
.footer-label {
  font-size: var(--fs-xs); letter-spacing: .18em; text-transform: uppercase;
  color: rgba(246, 241, 232, 0.55); margin: 0 0 .75rem;
}
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .5rem; font-size: var(--fs-sm); }
.footer-small { font-size: var(--fs-xs); color: rgba(246, 241, 232, 0.55); margin: 0; }