/* ----------------------------------------------------------------------
   Christoph Napierala — Homepage
   Swiss editorial, healthcare-policy register
---------------------------------------------------------------------- */

:root {
  /* Palette — defaults; overridden live by Tweaks */
  --bg:        #f4efe6;   /* warm paper */
  --bg-2:      #ebe4d6;   /* deeper paper */
  --ink:       #16181a;   /* near-black */
  --ink-2:     #3a3d40;
  --muted:     #7a756a;
  --rule:      #1a1c1e;
  --accent:    #b4321f;   /* swiss red, slightly deeper */
  --accent-ink: #ffffff;
  --paper-card: #faf6ee;

  /* Type */
  --serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --sans:  "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Rhythm */
  --maxw: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  /* subtle paper grain */
  background-image:
    radial-gradient(rgba(20,20,20,0.018) 1px, transparent 1px),
    radial-gradient(rgba(20,20,20,0.012) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 2px;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

::selection { background: var(--accent); color: var(--accent-ink); }

/* ---------- Containers ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.rule {
  height: 1px;
  background: var(--rule);
  opacity: 0.85;
  width: 100%;
}
.rule-thin { opacity: 0.25; }

/* ---------- Type primitives ---------- */
.serif { font-family: var(--serif); font-weight: 400; }
.sans  { font-family: var(--sans); }
.mono  { font-family: var(--mono); }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 500;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.kicker .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}

h1, h2, h3, h4 { margin: 0; font-weight: 400; letter-spacing: -0.01em; }

.h-display {
  font-family: var(--serif);
  font-size: clamp(54px, 9vw, 132px);
  line-height: 0.92;
  letter-spacing: -0.025em;
  font-weight: 400;
}
.h-display em {
  font-style: italic;
  color: var(--accent);
}

.h-section {
  font-family: var(--serif);
  font-size: clamp(38px, 5.4vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.h-card {
  font-family: var(--serif);
  font-size: clamp(22px, 1.6vw, 28px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.lede {
  font-family: var(--serif);
  font-size: clamp(20px, 1.7vw, 26px);
  line-height: 1.35;
  font-weight: 400;
  color: var(--ink);
}

.body-prose p { font-size: 17px; line-height: 1.65; color: var(--ink-2); }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--rule) 25%, transparent);
}
.topbar-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 14px 0;
}
.brand {
  display: flex; align-items: baseline; gap: 10px;
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: -0.01em;
}
.brand .mark {
  display: inline-block;
  width: 22px; height: 22px;
  background: var(--accent);
  transform: translateY(3px);
}
.nav {
  display: flex;
  gap: 28px;
  justify-content: center;
  font-size: 14px;
}
.nav a {
  position: relative;
  color: var(--ink-2);
  padding: 4px 0;
  transition: color .2s ease;
}
.nav a:hover { color: var(--ink); }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.nav a:hover::after { transform: scaleX(1); }

.lang-switch {
  display: flex; gap: 4px; justify-self: end;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
}
.lang-switch button {
  appearance: none; background: none; border: none;
  padding: 6px 8px; cursor: pointer; color: var(--muted);
  font: inherit; letter-spacing: inherit;
  transition: color .2s ease;
}
.lang-switch button.is-active { color: var(--ink); }
.lang-switch button:hover { color: var(--ink); }
.lang-switch .sep { color: var(--muted); align-self: center; }

/* ---------- Hero ---------- */
.hero {
  padding: clamp(40px, 6vw, 80px) 0 clamp(60px, 8vw, 110px);
  position: relative;
}
.hero-meta {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding-bottom: 28px;
  border-bottom: 1px solid color-mix(in srgb, var(--rule) 30%, transparent);
  margin-bottom: clamp(40px, 6vw, 70px);
}
.hero-meta .center { text-align: center; }
.hero-meta .right { text-align: right; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: start;
}
.hero-main {
  /* pull the serif cap-line up so it sits flush with the image top */
  margin-top: -0.14em;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
}
.hero-side {
  display: flex; flex-direction: column; gap: 28px;
}
.hero-side .lede { max-width: 38ch; }

.hero-stats {
  margin-top: clamp(50px, 6vw, 80px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
.stat {
  padding: 22px 22px 22px 0;
  border-right: 1px solid color-mix(in srgb, var(--rule) 30%, transparent);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--serif);
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-num sup {
  font-size: 0.45em;
  vertical-align: top;
  color: var(--accent);
  margin-left: 4px;
  letter-spacing: 0;
}
.stat-label {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  max-width: 22ch;
}

.hero-portrait {
  width: 100%;
  aspect-ratio: 4/5;
  background: #ebe4d6;
  position: relative;
  overflow: hidden;
}
.hero-portrait .portrait-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  filter: contrast(1.02) saturate(0.95);
}
.hero-portrait .portrait-accent {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 12px;
  z-index: 2;
}
.hero-portrait .frame-meta {
  position: absolute; left: 22px; bottom: 14px;
  z-index: 2;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink);
  background: var(--bg);
  padding: 6px 10px;
  border: 1px solid color-mix(in srgb, var(--rule) 30%, transparent);
}

/* ---------- Section heading ---------- */
.section { padding: clamp(70px, 9vw, 130px) 0; }
.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: end;
  padding-bottom: clamp(40px, 5vw, 60px);
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(40px, 5vw, 70px);
}
.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.section-num strong { color: var(--accent); font-weight: 500; }

.section-title {
  font-family: var(--serif);
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 1;
  letter-spacing: -0.02em;
}
.section-title em { font-style: italic; color: var(--accent); }

.section-side {
  display: flex; flex-direction: column; gap: 18px;
  align-self: end;
  max-width: 46ch;
}
.section-side p { color: var(--ink-2); margin: 0; line-height: 1.55; }

/* ---------- About ---------- */
.about {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 90px);
}
.about-prose p { font-family: var(--serif); font-size: 21px; line-height: 1.45; margin: 0 0 1em; }
.about-prose p:first-of-type::first-letter {
  font-family: var(--serif);
  font-size: 5.2em;
  float: left;
  line-height: 0.9;
  padding: 8px 12px 0 0;
  color: var(--accent);
  font-style: italic;
}

.cv-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--rule);
}
.cv-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--rule) 25%, transparent);
  align-items: baseline;
}
.cv-year { font-family: var(--mono); font-size: 12px; color: var(--ink-2); letter-spacing: 0.08em; }
.cv-role { font-family: var(--serif); font-size: 19px; line-height: 1.25; }
.cv-role span { color: var(--muted); font-size: 14px; font-family: var(--sans); display: block; margin-top: 2px; letter-spacing: 0.01em; }
.cv-place { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; }

/* ---------- Expertise ---------- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.exp-cell {
  padding: 36px 32px 36px 0;
  border-right: 1px solid color-mix(in srgb, var(--rule) 25%, transparent);
  display: flex; flex-direction: column; gap: 14px;
}
.exp-cell:nth-child(3n) { border-right: none; padding-right: 0; }
.exp-cell:nth-child(n+4) {
  padding-top: 36px;
  border-top: 1px solid color-mix(in srgb, var(--rule) 25%, transparent);
}
.exp-num {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.16em; color: var(--accent);
}
.exp-title { font-family: var(--serif); font-size: 26px; line-height: 1.1; letter-spacing: -0.01em; }
.exp-body { color: var(--ink-2); font-size: 15px; line-height: 1.55; }

/* ---------- Blog ---------- */
.draft-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 26px;
  margin-bottom: clamp(32px, 4vw, 48px);
  border: 1px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.draft-banner .draft-tag {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--accent);
  padding: 6px 12px;
}
.draft-banner .draft-text {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.4;
  color: var(--ink);
}
.blog-grid.is-draft { opacity: 0.55; }
.blog-grid.is-draft .post { pointer-events: none; }

@media (max-width: 600px) {
  .draft-banner { flex-direction: column; align-items: flex-start; gap: 12px; }
}

.blog-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: clamp(28px, 3vw, 44px);
}
.post {
  display: flex; flex-direction: column;
  gap: 18px;
  cursor: pointer;
  position: relative;
}
.post-image {
  aspect-ratio: 4/3;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}
.post.featured .post-image { aspect-ratio: 5/4; }
.post-image .pattern {
  position: absolute; inset: 0;
}
.post-meta {
  display: flex;
  gap: 14px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.post-meta .tag {
  color: var(--accent);
}
.post-title {
  font-family: var(--serif);
  font-size: clamp(22px, 1.7vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  transition: color .2s ease;
}
.post.featured .post-title { font-size: clamp(30px, 2.6vw, 44px); }
.post:hover .post-title { color: var(--accent); }
.post-excerpt {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 48ch;
}
.post-readmore {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex; gap: 8px; align-items: center;
}
.post-readmore .arrow { transition: transform .25s ease; }
.post:hover .post-readmore .arrow { transform: translateX(6px); }

/* ---------- Speeches ---------- */
.speeches {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.talk {
  display: grid;
  grid-template-columns: 90px 1.4fr 1fr auto;
  gap: clamp(20px, 3vw, 48px);
  padding: 28px 0;
  align-items: start;
  border-bottom: 1px solid color-mix(in srgb, var(--rule) 25%, transparent);
  position: relative;
  cursor: pointer;
  transition: background .2s ease;
}
.talk:hover { background: color-mix(in srgb, var(--paper-card) 70%, transparent); }
.talk:hover .talk-title { color: var(--accent); }

.talk-date {
  display: flex; flex-direction: column;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.talk-date .day {
  font-family: var(--serif);
  font-size: 38px;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 4px;
  font-style: italic;
}
.talk-date .my { color: var(--ink-2); }

.talk-main { display: flex; flex-direction: column; gap: 8px; }
.talk-title {
  font-family: var(--serif);
  font-size: clamp(22px, 1.7vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  transition: color .2s ease;
}
.talk-context {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.talk-context .accent { color: var(--accent); }

.talk-venue {
  display: flex; flex-direction: column; gap: 6px;
  padding-top: 4px;
  font-size: 14px;
  color: var(--ink-2);
}
.talk-venue strong { color: var(--ink); font-weight: 500; }
.talk-venue .city {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.talk-format {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid color-mix(in srgb, var(--rule) 40%, transparent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
  align-self: start;
  margin-top: 6px;
}
.talk-format.upcoming {
  border-color: var(--accent);
  color: var(--accent);
}
.talk-format .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* ---------- Publications ---------- */
.pub-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--rule);
}
.pub {
  display: grid;
  grid-template-columns: 60px 1fr 200px 30px;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--rule) 25%, transparent);
  align-items: baseline;
}
.pub-num { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 0.1em; }
.pub-title { font-family: var(--serif); font-size: 19px; line-height: 1.3; }
.pub-title .journal { display: block; font-size: 13px; color: var(--ink-2); margin-top: 4px; font-style: italic; font-family: var(--serif); }
.pub-meta { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ink-2); text-transform: uppercase; }
.pub-arrow { text-align: right; color: var(--ink-2); font-size: 14px; }

/* ---------- Philosophy ---------- */
.philo-lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 2.4vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  white-space: nowrap;
  margin: 0 0 clamp(40px, 5vw, 70px);
  color: var(--ink);
}
@media (max-width: 720px) {
  .philo-lede { white-space: normal; max-width: 24ch; }
}
.philo-lede::before {
  content: "\201C";
  color: var(--accent);
  margin-right: 6px;
  font-size: 1.2em;
  line-height: 0;
  vertical-align: -0.18em;
}
.philo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: clamp(16px, 2vw, 28px);
}
.philo-cell {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.philo-img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  background: var(--bg-2);
  overflow: hidden;
  position: relative;
}
.philo-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.92) contrast(1.02);
  transition: transform .8s ease;
}
.philo-cell:hover .philo-img img { transform: scale(1.03); }
.philo-cell figcaption { display: flex; flex-direction: column; gap: 4px; }
.philo-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.philo-caption {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink);
  max-width: 38ch;
}
/* asymmetric layout */
.philo-0 { grid-column: span 2; grid-row: span 2; }
.philo-0 .philo-img { min-height: 480px; }
.philo-1 { grid-column: span 4; }
.philo-1 .philo-img { min-height: 280px; }
.philo-2 { grid-column: span 2; }
.philo-3 { grid-column: span 2; }
.philo-4 { grid-column: span 4; grid-row: span 1; }
.philo-4 .philo-img { min-height: 320px; }
.philo-5 { grid-column: span 2; }

/* ---------- Talk sublink ---------- */
a.talk.talk-link { color: inherit; display: grid; }
.talk-sublink {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 50%, transparent);
  padding-bottom: 2px;
  align-self: flex-start;
  transition: gap .2s ease;
}
.talk:hover .talk-sublink { gap: 10px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--ink);
  color: #d8d3c7;
  padding: clamp(70px, 8vw, 110px) 0 30px;
  margin-top: clamp(60px, 8vw, 110px);
}
.footer .wrap { color: inherit; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 18px;
}
.footer-tag {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: #fff;
  margin-bottom: 24px;
  max-width: 18ch;
}
.footer-tag em { font-style: italic; color: var(--accent); }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer ul a { color: #d8d3c7; font-size: 14px; transition: color .2s; }
.footer ul a:hover { color: #fff; }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}
.footer-bottom .accent { color: var(--accent); }

/* ---------- Marquee strip ---------- */
.marquee {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--ink);
  color: var(--bg);
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 2vw, 28px);
}
.marquee-inner {
  display: inline-flex;
  gap: 60px;
  animation: marquee 40s linear infinite;
}
.marquee-inner span { display: inline-flex; align-items: center; gap: 60px; }
.marquee-inner .sep { color: var(--accent); font-style: normal; }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .about, .blog-grid { grid-template-columns: 1fr; }
  .hero-stats, .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .talk { grid-template-columns: 70px 1fr; gap: 16px; }
  .talk-venue, .talk-format { grid-column: 2; }
  .section-head { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .philo-grid { grid-template-columns: repeat(2, 1fr); }
  .philo-0, .philo-1, .philo-2, .philo-3, .philo-4, .philo-5 { grid-column: span 2; grid-row: auto; }
  .philo-0 .philo-img, .philo-1 .philo-img, .philo-4 .philo-img { min-height: 240px; }
  .pub { grid-template-columns: 40px 1fr 30px; }
  .pub-meta { grid-column: 2; }
  .nav { display: none; }
  .topbar-inner { grid-template-columns: 1fr auto; }
  .lang-switch { grid-column: 2; }
}