/* ==========================================================================
   mayankdate.github.io  —  design system (v2 · editorial tech)
   Serif-forward with mono metadata and quiet gold throughlines.
   Fraunces (display + headings + author) · Inter (body + UI) · JetBrains Mono
   (metadata — years, labels, numeric data, DOIs).
   Hopkins-adjacent navy & cream, warm bronze gold accent.
   ========================================================================== */

/* ---------- COLOR + TOKEN SYSTEM ----------------------------------------- */

:root {
  /* Light mode (default) */
  --bg:            #FAF8F3;
  --bg-grad-top:   #FBF9F4;
  --bg-grad-bot:   #F6F3EB;
  --surface:      #FFFFFF;
  --surface-sunk: #F3EFE4;
  --text:         #0D2545;
  --text-muted:   #4A5A78;
  --text-faint:   #8595B2;
  --gold:         #B8893E;
  --gold-deep:    #8E6929;
  --gold-soft:    rgba(184, 137, 62, 0.14);
  --gold-ghost:   rgba(184, 137, 62, 0.06);
  --green:        #2E6B4F;
  --green-soft:   rgba(46, 107, 79, 0.12);
  --rule:         #E6DFD1;
  --rule-strong:  #CFC3A6;
  --card-shadow:  0 1px 2px rgba(13, 37, 69, 0.04),
                  0 2px 8px rgba(13, 37, 69, 0.03);
  --card-shadow-hover:
                  0 1px 2px rgba(13, 37, 69, 0.06),
                  0 8px 24px rgba(13, 37, 69, 0.08),
                  0 0 0 1px var(--gold);

  /* Fonts */
  --serif: "Fraunces", "Source Serif Pro", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Layout */
  --container-w:  1080px;
  --radius:       14px;
  --radius-sm:    8px;
  --radius-lg:    20px;

  /* Rhythm */
  --section-y:    4rem;
}

:root[data-theme="dark"] {
  --bg:           #0D1829;
  --bg-grad-top:  #10203A;
  --bg-grad-bot:  #0A1424;
  --surface:      #15243E;
  --surface-sunk: #0F1C32;
  --text:         #F2EEE5;
  --text-muted:   #A5B4CC;
  --text-faint:   #6B7B99;
  --gold:         #E4B86B;
  --gold-deep:    #C99A4A;
  --gold-soft:    rgba(228, 184, 107, 0.14);
  --gold-ghost:   rgba(228, 184, 107, 0.07);
  --green:        #5EA67E;
  --green-soft:   rgba(94, 166, 126, 0.14);
  --rule:         #243655;
  --rule-strong:  #3A507A;
  --card-shadow:  0 1px 2px rgba(0, 0, 0, 0.3),
                  0 2px 10px rgba(0, 0, 0, 0.22);
  --card-shadow-hover:
                  0 2px 4px rgba(0, 0, 0, 0.35),
                  0 12px 32px rgba(0, 0, 0, 0.35),
                  0 0 0 1px var(--gold);
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] {
    --bg:           #0D1829;
    --bg-grad-top:  #10203A;
    --bg-grad-bot:  #0A1424;
    --surface:      #15243E;
    --surface-sunk: #0F1C32;
    --text:         #F2EEE5;
    --text-muted:   #A5B4CC;
    --text-faint:   #6B7B99;
    --gold:         #E4B86B;
    --gold-deep:    #C99A4A;
    --gold-soft:    rgba(228, 184, 107, 0.14);
    --gold-ghost:   rgba(228, 184, 107, 0.07);
    --green:        #5EA67E;
    --green-soft:   rgba(94, 166, 126, 0.14);
    --rule:         #243655;
    --rule-strong:  #3A507A;
    --card-shadow:  0 1px 2px rgba(0, 0, 0, 0.3),
                    0 2px 10px rgba(0, 0, 0, 0.22);
    --card-shadow-hover:
                    0 2px 4px rgba(0, 0, 0, 0.35),
                    0 12px 32px rgba(0, 0, 0, 0.35),
                    0 0 0 1px var(--gold);
  }
}

/* ---------- RESET + GLOBAL ----------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background:
    /* Very subtle grain — barely perceptible, adds paper feel */
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.08  0 0 0 0 0.08  0 0 0 0 0.1  0 0 0 0.028 0'/></filter><rect width='140' height='140' filter='url(%23n)'/></svg>"),
    linear-gradient(180deg, var(--bg-grad-top) 0%, var(--bg) 40%, var(--bg-grad-bot) 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; }
::selection { background: var(--gold-soft); color: var(--text); }

/* Animated underline on text links by default (not nav, not buttons) */
a {
  color: var(--text);
  text-decoration: none;
  background-image: linear-gradient(var(--gold), var(--gold));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 1.5px;
  transition: color 150ms, background-size 220ms ease;
}
a:hover {
  color: var(--gold);
  background-size: 100% 2.5px;
}
/* Opt-out helpers */
a.no-underline, .nav a, .brand, .btn, .link-row a, .profile-link-btn,
.writing-link, .footer-socials a, .theme-toggle, .carousel-dots a,
.chip, .social-btn, .cta-anchor {
  background-image: none;
}

/* ---------- LAYOUT ------------------------------------------------------- */

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

main { min-height: 50vh; }

/* ---------- TYPOGRAPHY --------------------------------------------------- */

.display {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.6rem, 1.6rem + 3.6vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  text-wrap: balance;
  margin: 0 0 .5rem;
  font-variation-settings: "SOFT" 25, "WONK" 0, "opsz" 144;
}

.lede {
  color: var(--text-muted);
  font-size: 1.14rem;
  line-height: 1.5;
  margin: 0 0 1.5rem;
  max-width: 60ch;
  text-wrap: balance;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--gold);
  font-weight: 600;
  margin: 0 0 .6rem;
  font-family: var(--mono);
}

/* ----- Section headings: numbered + mono -------------------------------- */

main { counter-reset: section; }
.section-h {
  counter-increment: section;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text);
  margin: 0 0 .9rem;
  display: flex;
  align-items: baseline;
  gap: .9rem;
}
.section-h::before {
  content: counter(section, upper-roman);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--gold);
  letter-spacing: 0;
  text-transform: none;
  line-height: 1;
  min-width: 1.4rem;
  text-align: center;
}

.section-h-spaced { margin-top: 2.2rem; }
/* Don't number the "sub-headings" (Certifications under Education etc) */
.home-split-side .section-h { counter-increment: none; }
.home-split-side .section-h::before { content: none; }

.rule-gold {
  width: 56px;
  height: 1.5px;
  background: var(--gold);
  margin: 0 0 1.6rem 2.3rem;    /* indent to align under the heading text */
  border: 0;
}
.home-split-side .rule-gold { margin-left: 0; }

/* Prose body */
.prose {
  max-width: 68ch;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text);
}
.prose a {
  color: var(--text);
  background-image: linear-gradient(var(--gold), var(--gold));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 1.5px;
}
.prose a:hover {
  color: var(--gold);
  background-size: 100% 2.5px;
}
.prose strong { color: var(--text); font-weight: 700; }

/* ---------- HEADER / NAV ------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 220ms, background 220ms;
}
.site-header.is-scrolled { border-bottom-color: var(--rule); }

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 14px 24px;
}

.brand {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  letter-spacing: -0.01em;
  color: var(--text);
}

.nav {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}
.nav a {
  position: relative;
  text-decoration: none;
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.94rem;
  padding: .3rem 0;
  transition: color 150ms;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: auto;
  bottom: -4px;
  height: 2px;
  width: 0;
  background: var(--gold);
  transition: width 200ms ease;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
}
.nav a:hover::after,
.nav a[aria-current="page"]::after {
  width: 100%;
}

@media (max-width: 520px) {
  .brand { display: none; }
  .nav { gap: 1rem; }
  .nav a { font-size: 0.88rem; }
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 150ms, color 150ms, transform 200ms;
}
.theme-toggle:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: rotate(15deg);
}
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline-block; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: inline-block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] .theme-toggle .icon-sun { display: inline-block; }
  :root[data-theme="auto"] .theme-toggle .icon-moon { display: none; }
}

/* ---------- HERO --------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 3.5rem;
  align-items: center;
  padding: 5.5rem 24px 3rem;
}
.hero-text { min-width: 0; }
.hero-photo img {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow:
    0 0 0 10px var(--gold),
    0 0 44px 0 color-mix(in oklab, var(--gold) 45%, transparent),
    0 20px 48px rgba(13, 37, 69, 0.18);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.1rem;
  margin: 1.2rem 0 1.4rem;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}
.hero-meta span { white-space: nowrap; }
.hero-meta .dot { color: var(--text-faint); }
.hero-cta {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; padding-top: 3rem; }
  .hero-photo { order: -1; }
  .hero-photo img { width: 150px; height: 150px; }
  .hero-photo img { box-shadow: 0 0 0 7px var(--gold), 0 0 24px 0 color-mix(in oklab, var(--gold) 40%, transparent); }
}

/* ---------- SPARKLINE ---------------------------------------------------- */

.sparkline {
  display: inline-flex;
  align-items: baseline;
  gap: .8rem;
  padding: .5rem .9rem;
  background: var(--gold-ghost);
  border-radius: var(--radius-sm);
  margin: .25rem 0 0;
}
.sparkline svg { display: block; overflow: visible; }
.sparkline-caption {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- BUTTONS ------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .72rem 1.25rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.93rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 180ms, color 180ms, border-color 180ms, transform 180ms;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
}
.btn-primary:hover { background: var(--gold); color: var(--text); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--rule-strong);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-1px); }
.btn-sm { padding: .4rem .9rem; font-size: 0.83rem; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- SECTIONS ----------------------------------------------------- */

.section { padding: var(--section-y) 24px; }
.page-header { padding: 5rem 24px 1.5rem; }

/* ---------- TIMELINE ----------------------------------------------------- */

.timeline {
  position: relative;
  padding-left: 1.6rem;
  margin: 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1.5px;
  background: linear-gradient(180deg, var(--rule), var(--rule-strong), var(--rule));
}
.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1.3rem;
  padding: .85rem 0;
  transition: transform 220ms;
}
.timeline-item:hover { transform: translateX(2px); }
.timeline-item:hover .timeline-dot {
  background: var(--gold);
  box-shadow: 0 0 0 4px var(--gold-soft);
}
.timeline-dot {
  position: absolute;
  left: -1.6rem;
  top: 1.2rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--gold);
  transition: background 220ms, box-shadow 220ms;
}
.timeline-years {
  color: var(--text-muted);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  letter-spacing: 0;
  padding-top: .25rem;
  white-space: nowrap;
}
.timeline-role {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.08rem;
  line-height: 1.3;
  color: var(--text);
}
.timeline-org {
  color: var(--text-muted);
  font-size: 0.94rem;
}
.timeline-sub {
  color: var(--text-faint);
  font-size: 0.82rem;
  margin-top: .15rem;
}

@media (max-width: 540px) {
  .timeline-item { grid-template-columns: 1fr; gap: .2rem; }
}

/* ---------- CREDENTIALS (Education / Certifications) --------------------- */

.cred-list { display: flex; flex-direction: column; gap: .7rem; }

.cred {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 1rem;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: .95rem 1.2rem;
  box-shadow: var(--card-shadow);
  transition: border-color 180ms, transform 180ms;
}
.cred:hover { border-color: var(--gold); transform: translateY(-1px); }
.cred-list-nologo .cred { grid-template-columns: 1fr auto; }

.cred-logo {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.cred-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
:root[data-theme="dark"] .cred-logo.invert-on-dark img,
:root[data-theme="dark"] .profile-link-icon.invert-on-dark img {
  filter: invert(.95) hue-rotate(180deg) brightness(1.1);
}
@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] .cred-logo.invert-on-dark img,
  :root[data-theme="auto"] .profile-link-icon.invert-on-dark img {
    filter: invert(.95) hue-rotate(180deg) brightness(1.1);
  }
}

.cred-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.3;
}
.cred-inst { color: var(--text-muted); font-size: 0.9rem; margin-top: .1rem; }
.cred-year {
  color: var(--text-muted);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.84rem;
}

/* ---------- SKILLS ------------------------------------------------------- */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.8rem;
}
.skills-group-h {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 .7rem;
}

/* ---------- CHIPS -------------------------------------------------------- */

.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: .22rem .7rem;
  background: var(--gold-ghost);
  border: 1px solid transparent;
  color: var(--text);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.chips-sm .chip { font-size: 0.72rem; padding: .14rem .55rem; }

.chip-work      { background: color-mix(in oklab, var(--text) 7%, transparent); color: var(--text); }
.chip-research  { background: var(--green-soft); color: var(--green); }
.chip-personal  { background: transparent; border-color: var(--rule-strong); color: var(--text-muted); }
.chip-idea      { background: transparent; border-color: var(--gold); color: var(--gold); }
.chip-vibecoded { background: var(--gold-soft); color: var(--gold-deep); }
:root[data-theme="dark"] .chip-vibecoded { color: var(--gold); }

.chip-type {
  background: transparent;
  border-color: var(--rule-strong);
  color: var(--text-muted);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.chip-award {
  background: var(--gold-soft);
  color: var(--gold-deep);
  font-weight: 600;
  border-color: var(--gold);
}
:root[data-theme="dark"] .chip-award { color: var(--gold); }

/* ---------- CARDS (Projects) -------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.3rem;
}
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem 1.3rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: .85rem;
  transition: transform 240ms cubic-bezier(.2,.6,.2,1),
              box-shadow 240ms, border-color 240ms;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
  border-color: transparent;
}
.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.card-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.18rem;
  margin: 0;
  line-height: 1.25;
  letter-spacing: -0.005em;
  text-wrap: balance;
}
.card-year {
  color: var(--text-muted);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  padding: .18rem .5rem;
  background: var(--gold-ghost);
  border-radius: 999px;
  flex-shrink: 0;
}
.card-blurb { color: var(--text); font-size: 0.94rem; line-height: 1.65; margin: 0; }
.card-blurb p { margin: 0 0 .4em; }
.card-blurb p:last-child { margin-bottom: 0; }
.card-blurb strong {
  color: var(--gold-deep);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.82em;
}
:root[data-theme="dark"] .card-blurb strong { color: var(--gold); }
.card-blurb a {
  color: var(--text);
  background-image: linear-gradient(var(--gold), var(--gold));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 1.5px;
}
.card-blurb a:hover { color: var(--gold); background-size: 100% 2.5px; }

.group-desc { color: var(--text-muted); margin: 0 0 1.4rem 2.3rem; max-width: 68ch; }

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  padding-top: .3rem;
  margin-top: auto;
}
.link-row a {
  text-decoration: none;
  color: var(--gold);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  position: relative;
  padding-right: .9rem;
}
.link-row a::after {
  content: "↗";
  position: absolute;
  right: 0;
  top: 0;
  font-family: var(--sans);
  transition: transform 180ms;
  display: inline-block;
}
.link-row a:hover { color: var(--gold-deep); }
.link-row a:hover::after { transform: translate(2px, -2px); }
:root[data-theme="dark"] .link-row a:hover { color: var(--gold); filter: brightness(1.1); }

/* ---------- PUBLICATIONS ------------------------------------------------- */

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  counter-reset: pub;
  padding-left: 2.6rem;        /* room for hanging numbers */
}
.pub {
  position: relative;
  counter-increment: pub;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
}
.pub:last-child { border-bottom: 0; }
.pub::before {
  content: "[" counter(pub) "]";
  position: absolute;
  left: -2.6rem;
  top: 1.05rem;
  width: 2.2rem;
  text-align: left;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}
.pub-citation {
  font-size: 0.98rem;
  line-height: 1.7;
}
.pub-authors { color: var(--text); }
.author-self {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--gold);
  font-variant: all-small-caps;
  letter-spacing: 0.04em;
}
.pub-year, .pub-title, .pub-venue { color: var(--text); }
.pub-year { font-family: var(--mono); font-size: 0.9em; color: var(--text-muted); }
.pub-title { font-weight: 500; }
.pub-venue { font-style: italic; color: var(--text-muted); font-family: var(--serif); }
.pub-meta {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: .6rem;
  align-items: center;
}
.pub-note { color: var(--text-muted); font-size: 0.86rem; font-style: italic; }

@media (max-width: 540px) {
  .pub-list { padding-left: 1.8rem; }
  .pub::before { left: -1.8rem; }
}

/* ---------- WRITING SECTION --------------------------------------------- */

.writing-list { display: flex; flex-direction: column; gap: 1rem; }
.writing-link {
  display: block;
  padding: 1.1rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 180ms, transform 180ms;
}
.writing-link:hover { border-color: var(--gold); transform: translateY(-2px); }
.writing-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: .2rem;
  color: var(--text);
}
.writing-date { color: var(--text-muted); font-family: var(--mono); font-size: 0.78rem; }
.writing-excerpt { color: var(--text); margin: .4rem 0 .6rem; }
.writing-cta { color: var(--gold); font-size: 0.9rem; }

/* ---------- CONTACT — DESKTOP ------------------------------------------- */

.contact-desktop { padding: 5rem 24px; }
.contact-mobile { display: none; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3.5rem;
  margin-top: 2rem;
  align-items: start;
}
.contact-photo img {
  width: 110px; height: 110px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1.1rem;
  box-shadow:
    0 0 0 6px var(--gold),
    0 0 24px 0 color-mix(in oklab, var(--gold) 40%, transparent);
}
.contact-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.015em;
}
.contact-title { color: var(--text-muted); margin-bottom: 1.5rem; }

.contact-list {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.contact-list li {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.contact-list a {
  color: var(--text);
  background-image: linear-gradient(var(--gold), var(--gold));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 1.5px;
}
.contact-list a:hover { color: var(--gold); background-size: 100% 2.5px; }

.contact-label {
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  font-weight: 500;
  font-family: var(--mono);
}
.live-clock {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
}

/* QR card on desktop */
.qr-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.6rem;
  text-align: center;
  box-shadow: var(--card-shadow);
}
.qr-card img {
  width: 100%;
  max-width: 260px;
  margin: 0 auto 1rem;
  display: block;
  border-radius: 6px;
}
.qr-caption {
  font-family: var(--serif);
  font-weight: 600;
  margin-bottom: 1rem;
}

.social-buttons {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-top: 1.5rem;
}

/* ---------- RESEARCH PAGE HEADER ---------------------------------------- */

.research-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}
.research-header-text { flex: 1 1 420px; min-width: 0; }
.research-header-text .lede { margin-bottom: 0; }
.research-header-links {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding-top: .5rem;
  min-width: 260px;
}

/* ---------- PROFILE LINK BUTTONS ---------------------------------------- */

.profile-link-btn {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .75rem .95rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  transition: border-color 180ms, transform 180ms, box-shadow 180ms;
}
.profile-link-btn:hover {
  border-color: var(--gold);
  transform: translateX(3px);
  box-shadow: var(--card-shadow);
  color: var(--text);
}
.profile-link-icon {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold-ghost);
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 0.95rem;
}
.profile-link-icon img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}
.profile-link-text { display: flex; flex-direction: column; gap: .05rem; min-width: 0; }
.profile-link-name {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
}
.profile-link-sub {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ---------- HOME: ABOUT BOX + SPLIT LAYOUT ------------------------------ */

.about-box {
  max-height: 260px;
  overflow-y: auto;
  padding-right: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--rule-strong) transparent;
  margin-left: 2.3rem;
}
.about-box::-webkit-scrollbar { width: 6px; }
.about-box::-webkit-scrollbar-track { background: transparent; }
.about-box::-webkit-scrollbar-thumb {
  background: var(--rule-strong);
  border-radius: 3px;
}
.about-box .prose { max-width: none; }

.home-split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
.home-split-main { min-width: 0; }
.home-split-side { min-width: 0; padding-top: .3rem; }
.home-split-main .timeline { margin-left: 2.3rem; }

@media (max-width: 820px) {
  .home-split { grid-template-columns: 1fr; gap: 1rem; }
  .about-box, .home-split-main .timeline { margin-left: 0; }
  .rule-gold { margin-left: 0; }
  .group-desc { margin-left: 0; }
  .section-h-spaced { margin-top: 2.5rem; }
}

/* ---------- CONTACT — MOBILE (business-card carousel) ------------------- */

@media (max-width: 760px) {
  .contact-desktop { display: none; }
  .contact-mobile { display: block; padding: 2rem 0; }
}

.carousel { margin: 1.5rem 0 1rem; position: relative; overflow: hidden; }
.carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  gap: 16px;
  padding: 1rem 24px;
}
.carousel-track::-webkit-scrollbar { display: none; }

.bcard {
  flex: 0 0 85%;
  max-width: 360px;
  min-height: 520px;
  scroll-snap-align: center;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 20px;
  padding: 1.9rem 1.6rem 1.6rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}
.bcard::before {
  content: "";
  position: absolute;
  left: 1.6rem;
  top: 1.6rem;
  height: 2px;
  background: var(--gold);
  width: 36px;
}
.bcard-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.68rem;
  color: var(--gold);
  font-weight: 500;
  font-family: var(--mono);
  margin-top: 1rem;
}
.bcard-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.5rem;
  margin: .3rem 0 .2rem;
  letter-spacing: -0.015em;
}
.bcard-subtitle { color: var(--text-muted); font-size: 0.9rem; }
.bcard-qr {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 10px;
  padding: 1rem;
}
.bcard-qr img { max-width: 220px; width: 100%; }
.bcard-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.carousel-dots {
  display: flex;
  gap: .4rem;
  justify-content: center;
  padding-top: .5rem;
}
.carousel-dots .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--rule-strong);
  transition: background 180ms, width 180ms;
}
.carousel-dots .dot.active { background: var(--gold); width: 18px; border-radius: 4px; }

.contact-mobile-actions {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding-top: 1rem;
  padding-bottom: 2rem;
}
.mobile-location {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  margin-bottom: .6rem;
}
.live-clock-inline {
  color: var(--gold);
  font-weight: 600;
  margin-top: .3rem;
}

/* ---------- FOOTER ------------------------------------------------------- */

.site-footer {
  margin-top: 5rem;
  padding: 2.2rem 0 2.6rem;
  border-top: 1px solid var(--rule);
  font-size: 0.88rem;
  color: var(--text-muted);
}
.footer-row {
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: baseline;
}
.footer-meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  margin-top: .25rem;
  color: var(--text-faint);
  letter-spacing: 0.01em;
}
.footer-meta .dot { margin: 0 .4rem; color: var(--text-faint); }
.footer-meta a { color: var(--text-faint); }
.footer-meta a:hover { color: var(--gold); }
.footer-socials {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.footer-socials a { color: var(--text-muted); text-decoration: none; }
.footer-socials a:hover { color: var(--gold); }

/* ---------- UTILITIES ---------------------------------------------------- */

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