/* ==========================================================================
   Killian Embler - shared styles (index.html + anteroom.html)
   Palette unchanged from the original site. Layout, spacing and mobile
   behaviour rebuilt.
   ========================================================================== */

:root {
  --bg: #fafaf8;
  --ink: #1a1a18;
  --mid: #5a5a55;
  --muted: #6e6e67;      /* small-text grey (passes contrast on --bg) */
  --light: #9a9a92;      /* decorative only */
  --rule: #e0e0d8;
  --accent: #1a4a7a;
  --accent-dark: #123660;
  --accent-warm: #8b3a1a;
  --surface: #f2f2ee;

  --font-serif: 'EB Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --gutter: clamp(1.25rem, 5vw, 2.5rem);
  --header-h: 56px;
  --maxw: 1080px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-warm); }
ul { list-style: none; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

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

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 200;
  background: var(--accent); color: #fff; padding: 0.6rem 1rem; border-radius: 2px;
  font-size: 0.85rem;
}
.skip-link:focus { top: 0.75rem; color: #fff; }

/* ── HEADER ─────────────────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(250, 250, 248, 0.96);
  border-bottom: 1px solid var(--rule);
}
@supports ((-webkit-backdrop-filter: blur(8px)) or (backdrop-filter: blur(8px))) {
  .site-header {
    background: rgba(250, 250, 248, 0.86);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}
.header-inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.brand {
  font-family: var(--font-serif);
  font-size: 1.2rem; font-weight: 500; letter-spacing: 0.01em;
  color: var(--ink); white-space: nowrap;
}
.brand:hover { color: var(--accent); }

.nav-desktop { display: none; }
.nav-desktop ul { display: flex; gap: 1.5rem; }
.nav-desktop a {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.04em;
  color: var(--mid); padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-desktop a:hover, .nav-desktop a.active { color: var(--accent); border-color: var(--accent); }

.menu-btn {
  width: 44px; height: 44px; margin-right: -10px;
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  background: none; border: 0; cursor: pointer; color: var(--ink);
  -webkit-tap-highlight-color: transparent;
}
.menu-btn .bar {
  display: block; width: 22px; height: 1.5px; background: currentColor;
  transition: transform 0.25s ease;
}
.menu-btn[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(3.75px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .bar:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); }

@media (min-width: 901px) {
  .nav-desktop { display: block; }
  .menu-btn { display: none; }
}

/* Mobile overlay menu */
.menu-overlay {
  position: fixed; inset: 0; z-index: 90;
  background: var(--bg);
  padding: calc(var(--header-h) + 1.5rem) var(--gutter) calc(2rem + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; justify-content: space-between;
  overflow-y: auto; -webkit-overflow-scrolling: touch;
  visibility: hidden; opacity: 0;
  transition: opacity 0.22s ease, visibility 0s linear 0.22s;
}
.menu-overlay.open { visibility: visible; opacity: 1; transition: opacity 0.22s ease; }
.menu-overlay ul { display: flex; flex-direction: column; }
.menu-overlay li { border-bottom: 1px solid var(--rule); }
.menu-overlay li:first-child { border-top: 1px solid var(--rule); }
.menu-overlay .menu-link {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 0.85rem 0;
  font-family: var(--font-serif); font-size: 1.7rem; font-weight: 500; color: var(--ink);
}
.menu-overlay .menu-link span {
  font-family: var(--font-sans); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.1em; color: var(--muted); min-width: 1.6rem;
  font-variant-numeric: tabular-nums;
}
.menu-overlay .menu-link:hover { color: var(--accent); }
.menu-secondary { margin-top: 2rem; display: flex; gap: 1.5rem; flex-wrap: wrap; font-size: 0.85rem; }

html.menu-open, html.menu-open body { overflow: hidden; }

/* ── HERO ───────────────────────────────────────────────────────────────── */
.hero { padding: calc(var(--header-h) + 3.5rem) 0 3.5rem; border-bottom: 1px solid var(--rule); }
.hero-grid { display: grid; gap: 2.5rem; align-items: center; }
.eyebrow {
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem;
}
h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 9vw, 4.4rem);
  font-weight: 500; line-height: 1.08; color: var(--ink); margin-bottom: 1.25rem;
}
.lede { max-width: 34rem; font-size: 1.05rem; color: var(--mid); line-height: 1.75; margin-bottom: 2rem; }
.lede strong { color: var(--ink); font-weight: 500; }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 1.25rem;
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.05em;
  border-radius: 2px; border: 1px solid var(--rule); color: var(--mid); background: transparent;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }

/* Portrait placeholder - replace the <div class="portrait"> in index.html with an <img> */
.portrait {
  width: 100%; max-width: 300px; aspect-ratio: 4 / 5;
  border: 1px solid var(--rule); border-radius: 2px; overflow: hidden;
  background:
    repeating-linear-gradient(135deg, transparent 0 11px, rgba(0,0,0,0.025) 11px 12px),
    var(--surface);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; }

.facts {
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--rule);
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 1.5rem;
}
.facts dt {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.15rem;
}
.facts dd { font-size: 0.95rem; color: var(--mid); line-height: 1.5; }
.facts dd strong { color: var(--ink); font-weight: 500; }

@media (min-width: 760px) {
  .hero { padding: calc(var(--header-h) + 5.5rem) 0 4.5rem; }
  .hero-grid { grid-template-columns: minmax(0, 1fr) 280px; gap: 4rem; }
  .facts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ── SECTIONS ───────────────────────────────────────────────────────────── */
.section { padding: 3.5rem 0; border-bottom: 1px solid var(--rule); }
.section:last-of-type { border-bottom: 0; }
.section-grid { display: grid; gap: 1.75rem; }
.section-head { display: flex; align-items: baseline; gap: 1rem; }
.section-num {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.12em; color: var(--muted);
  font-variant-numeric: tabular-nums;
}
h2 { font-family: var(--font-serif); font-size: 1.9rem; font-weight: 500; line-height: 1.2; color: var(--ink); }
.section-body { min-width: 0; }

@media (min-width: 900px) {
  .section { padding: 5rem 0; }
  .section-grid { grid-template-columns: 190px minmax(0, 1fr); gap: 3rem; }
  .section-head { flex-direction: column; gap: 0.35rem; align-self: start; position: sticky; top: calc(var(--header-h) + 28px); }
}

/* About */
.prose p { color: var(--mid); max-width: 40rem; }
.prose p + p { margin-top: 1.1rem; }

/* Shared list styling */
.bullets { margin-top: 0.75rem; }
.bullets li {
  position: relative; padding-left: 1.1rem; margin-bottom: 0.45rem;
  font-size: 0.95rem; color: var(--mid); line-height: 1.7;
}
.bullets li::before {
  content: ''; position: absolute; left: 0; top: 0.78em;
  width: 0.5rem; height: 1px; background: var(--accent);
}
.bullets li strong { color: var(--ink); font-weight: 500; }

/* Education */
.edu h3 { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 500; line-height: 1.25; }
.edu-degree { margin-top: 0.25rem; color: var(--mid); }
.edu-details { margin-top: 1.5rem; border-top: 1px solid var(--rule); }
.edu-row {
  display: grid; grid-template-columns: 1fr; gap: 0.1rem;
  padding: 0.9rem 0; border-bottom: 1px solid var(--rule);
}
.edu-row dt {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
  padding-top: 0.2rem;
}
.edu-row dd { color: var(--mid); font-size: 0.95rem; }
.edu-row dd.accent { color: var(--accent); font-weight: 500; }
.gpa { font-family: var(--font-serif); font-size: 2rem; line-height: 1.1; font-weight: 500; color: var(--ink); }
.gpa small { font-family: var(--font-sans); font-size: 0.8rem; color: var(--muted); font-weight: 400; margin-left: 0.25rem; }
@media (min-width: 600px) {
  .edu-row { grid-template-columns: 11rem minmax(0, 1fr); gap: 1.5rem; }
}

/* Experience / leadership entries */
.entry { padding: 1.75rem 0; border-top: 1px solid var(--rule); }
.entry:first-child { padding-top: 0; border-top: 0; }
.entry-meta {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.15rem 1.5rem;
  font-size: 0.78rem; letter-spacing: 0.02em; margin-bottom: 0.35rem;
}
.entry-org { font-weight: 500; color: var(--accent); }
.entry-org a { color: inherit; }
.entry-org a:hover { color: var(--accent-warm); }
.entry-date { color: var(--muted); font-variant-numeric: tabular-nums; }
.entry h3 { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 500; line-height: 1.3; color: var(--ink); }
.entry-place { font-size: 0.85rem; color: var(--muted); margin-top: 0.1rem; }

/* Projects */
.project { padding: 2.25rem 0; border-top: 1px solid var(--rule); min-width: 0; }
.project:first-child { padding-top: 0; border-top: 0; }
.project-kicker {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.4rem;
}
.project h3 { font-family: var(--font-serif); font-size: 1.45rem; font-weight: 500; line-height: 1.25; color: var(--ink); }
.project-role { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }
.project-summary { margin-top: 0.9rem; font-size: 0.95rem; color: var(--mid); line-height: 1.75; }
.pills { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.pills li {
  font-size: 0.68rem; letter-spacing: 0.04em; color: var(--mid);
  border: 1px solid var(--rule); background: var(--surface);
  padding: 0.2rem 0.55rem; border-radius: 2px;
}

/* Carousel (native scroll-snap - swipe works on iOS) */
.carousel { margin-top: 1.5rem; }
.carousel-track {
  display: flex; overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  background: var(--surface);
  border: 1px solid var(--rule); border-radius: 2px;
}
.carousel-track::-webkit-scrollbar { display: none; }
.slide {
  flex: 0 0 100%; min-width: 0;
  scroll-snap-align: center; scroll-snap-stop: always;
  aspect-ratio: 16 / 10;
  display: flex; align-items: center; justify-content: center;
}
.slide img { width: 100%; height: 100%; object-fit: contain; }
.slide-link { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; cursor: zoom-in; -webkit-tap-highlight-color: transparent; }
.slide.placeholder {
  background:
    repeating-linear-gradient(135deg, transparent 0 11px, rgba(0,0,0,0.025) 11px 12px),
    var(--surface);
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.carousel.is-empty .slide { aspect-ratio: 16 / 4; }
@media (max-width: 520px) { .carousel.is-empty .slide { aspect-ratio: 16 / 6; } }

.carousel-ui {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 0.5rem;
}
.carousel-count { font-size: 0.72rem; letter-spacing: 0.08em; color: var(--muted); font-variant-numeric: tabular-nums; }
.carousel-btns { display: flex; gap: 0.4rem; }
.carousel-btn {
  width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--rule); border-radius: 2px;
  color: var(--mid); font-size: 1rem; line-height: 1; cursor: pointer;
  font-family: var(--font-sans);
  transition: border-color 0.2s, color 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.carousel-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.carousel-btn:disabled { opacity: 0.3; cursor: default; }


/* Action buttons (lab sites, PDFs) */
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.25rem; }
.entry .actions { margin-top: 1rem; }

/* "More detail" disclosure (native <details>, works without JS) */
.more { margin-top: 1.5rem; }
.more > summary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  min-height: 44px; padding: 0 1.1rem;
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.05em; color: var(--accent);
  border: 1px solid var(--rule); border-radius: 2px; cursor: pointer; list-style: none;
  -webkit-tap-highlight-color: transparent; user-select: none; -webkit-user-select: none;
  transition: border-color 0.2s, background 0.2s;
}
.more > summary::-webkit-details-marker { display: none; }
.more > summary::marker { content: ''; }
.more > summary::before {
  content: '+'; font-size: 1.1rem; line-height: 1; font-weight: 400; width: 0.8rem; text-align: center;
}
.more[open] > summary::before { content: '\2212'; }
.more > summary:hover { border-color: var(--accent); background: var(--surface); }
.more:not([open]) .when-open, .more[open] .when-closed { display: none; }
.more-body { margin-top: 1.25rem; padding-left: 1rem; border-left: 1px solid var(--rule); }
.more-body h4 {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin: 1.5rem 0 0.4rem;
}
.more-body h4:first-child { margin-top: 0; }
.more-body p { font-size: 0.95rem; color: var(--mid); line-height: 1.75; max-width: 42rem; }
.more-body p + p { margin-top: 0.8rem; }
.more-body .bullets { margin-top: 0.4rem; }
.more-body .bullets li { font-size: 0.95rem; }
@media (max-width: 520px) { .more-body { padding-left: 0.85rem; } }

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
.skill-group h4 {
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); padding-bottom: 0.5rem; margin-bottom: 0.5rem; border-bottom: 1px solid var(--rule);
}
.skill-group li { font-size: 0.88rem; color: var(--mid); padding: 0.25rem 0; border-bottom: 1px solid var(--surface); line-height: 1.5; }
@media (min-width: 700px) { .skills-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* Awards & involvement */
.award-list li {
  display: grid; gap: 0.1rem; padding: 0.85rem 0; border-top: 1px solid var(--rule);
}
.award-list li:last-child { border-bottom: 1px solid var(--rule); }
.award-name { color: var(--ink); font-weight: 500; font-size: 0.95rem; }
.award-note { color: var(--muted); font-size: 0.82rem; line-height: 1.55; }
.sub-head {
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin: 2.25rem 0 0.75rem;
}
.sub-head:first-child { margin-top: 0; }
.plain-list li { padding: 0.55rem 0; border-top: 1px solid var(--rule); font-size: 0.92rem; color: var(--mid); }
.plain-list li:last-child { border-bottom: 1px solid var(--rule); }
.plain-list em { font-style: normal; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.08em; color: var(--muted); margin-right: 0.6rem; text-transform: uppercase; }
@media (min-width: 640px) {
  .award-list li { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem; }
}

/* Contact */
.contact-intro { color: var(--mid); max-width: 38rem; }
.contact-intro p + p { margin-top: 1rem; }
.contact-list { margin-top: 2rem; }
.contact-list li { border-top: 1px solid var(--rule); }
.contact-list li:last-child { border-bottom: 1px solid var(--rule); }
.contact-list a {
  display: grid; gap: 0.1rem; padding: 0.95rem 0; color: var(--ink);
}
.contact-label {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.contact-val { font-size: 0.95rem; color: var(--accent); overflow-wrap: anywhere; }
.contact-list a:hover .contact-val { color: var(--accent-warm); }
@media (min-width: 600px) {
  .contact-list a { grid-template-columns: 9rem minmax(0, 1fr); gap: 1.5rem; align-items: baseline; }
}

/* ── FOOTER ─────────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--rule); padding: 1.75rem 0 calc(1.75rem + env(safe-area-inset-bottom)); font-size: 0.78rem; color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1.5rem; }
.footer-inner a { color: var(--mid); }
.footer-inner a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 1.25rem; }

/* ── REVEAL (only when JS is running) ───────────────────────────────────── */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.js .reveal.in-view { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .menu-overlay, .menu-btn .bar { transition: none; }
}
@media print { .js .reveal { opacity: 1; transform: none; } .site-header, .menu-overlay { display: none; } }

/* ==========================================================================
   ANTEROOM (anteroom.html)
   ========================================================================== */
.ante { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }
.ante-main {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 3rem var(--gutter) 2rem;
}
.ante-card { width: 100%; max-width: 440px; }
.monogram {
  width: 64px; height: 64px; border-radius: 50%;
  border: 1px solid var(--rule); background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 1.35rem; font-weight: 500; color: var(--accent);
  margin-bottom: 1.5rem;
}
.ante h1 { font-size: clamp(2.2rem, 8vw, 2.8rem); margin-bottom: 0.5rem; }
.ante-tag { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.ante-sub { margin-top: 0.6rem; font-size: 0.92rem; color: var(--mid); line-height: 1.6; }
.ante-links { margin-top: 2.25rem; border-top: 1px solid var(--rule); }
.ante-links li { border-bottom: 1px solid var(--rule); }
.ante-links a {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: 64px; padding: 0.8rem 0.25rem; color: var(--ink);
  transition: padding 0.2s ease, color 0.2s;
}
.ante-links a:hover { color: var(--accent); padding-left: 0.6rem; }
.ante-label { display: block; font-size: 1rem; font-weight: 500; line-height: 1.3; }
.ante-hint { display: block; font-size: 0.78rem; color: var(--muted); margin-top: 0.1rem; overflow-wrap: anywhere; }
.ante-arrow { color: var(--light); font-size: 1rem; flex-shrink: 0; transition: color 0.2s; }
.ante-links a:hover .ante-arrow { color: var(--accent); }
/* Highlighted (primary) link: solid blue row */
.ante-links li:has(.ante-primary) { border-bottom: 0; margin: 0.9rem 0; }
.ante-links a.ante-primary {
  background: var(--accent); color: #fff; border-radius: 2px; padding: 0.8rem 1rem;
}
.ante-links a.ante-primary:hover { background: var(--accent-dark); color: #fff; padding-left: 1.25rem; }
.ante-links a.ante-primary .ante-hint { color: rgba(255, 255, 255, 0.82); }
.ante-links a.ante-primary .ante-arrow, .ante-links a.ante-primary:hover .ante-arrow { color: #fff; }
.ante-foot { padding: 1.25rem var(--gutter) calc(1.5rem + env(safe-area-inset-bottom)); text-align: center; font-size: 0.75rem; color: var(--muted); }