/* ============================================================
   KAAN YURTSEVEN — PERSONAL WEBSITE
   Design system: Modern technical, clean and restrained
   IBM Plex family · Navy/off-white palette · Single-column
   ============================================================ */

/* ------------------------------------------------------------
   0. DESIGN TOKENS
   ------------------------------------------------------------ */
:root {
  /* Colors */
  --bg:           #f8f7f5;
  --surface:      #ffffff;
  --border:       #e0ddd9;
  --text:         #1a1a1a;
  --text-muted:   #5a5a5a;
  --text-light:   #8a8784;
  --accent:       #1c3d5a;
  --accent-hover: #2a5580;
  --accent-pale:  #edf2f7;

  /* Typography */
  --font-serif:   'IBM Plex Serif', Georgia, serif;
  --font-sans:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  /* Scale */
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-md:    1.125rem;
  --text-lg:    1.375rem;
  --text-xl:    1.75rem;
  --text-2xl:   2.25rem;
  --text-3xl:   3rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --content-width: 820px;
  --full-width:    1100px;
  --nav-height:    64px;
}

/* ------------------------------------------------------------
   1. RESET & BASE
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-hover);
}

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

ul, ol {
  list-style: none;
}

/* ------------------------------------------------------------
   2. TYPOGRAPHY
   ------------------------------------------------------------ */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
h4 { font-size: var(--text-md); font-family: var(--font-sans); font-weight: 600; }
h5 { font-size: var(--text-base); font-family: var(--font-sans); font-weight: 600; }

p {
  max-width: 68ch;
  color: var(--text);
}

p + p {
  margin-top: var(--space-4);
}

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

code, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--accent-pale);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: var(--accent);
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-12) 0;
}

blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-5);
  color: var(--text-muted);
  font-style: italic;
  margin: var(--space-6) 0;
}

/* Page-level prose (inner pages) */
.prose h2 { margin-top: var(--space-12); margin-bottom: var(--space-4); }
.prose h3 { margin-top: var(--space-8); margin-bottom: var(--space-3); }
.prose h4 { margin-top: var(--space-6); margin-bottom: var(--space-2); }
.prose p  { margin-bottom: var(--space-4); }
.prose ul, .prose ol {
  padding-left: var(--space-5);
  margin-bottom: var(--space-4);
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: var(--space-2); }
.prose a  { text-decoration: underline; text-decoration-color: var(--border); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--accent); }

/* ------------------------------------------------------------
   3. LAYOUT
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--full-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--content-width);
}

.site-main {
  min-height: calc(100vh - var(--nav-height) - 200px);
  padding-top: var(--space-16);
  padding-bottom: var(--space-20);
}

/* Page header (inner pages) */
.page-header {
  padding-bottom: var(--space-8);
  margin-bottom: var(--space-10);
  border-bottom: 1px solid var(--border);
}

.page-header__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.page-header__subtitle {
  font-size: var(--text-md);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-weight: 400;
  max-width: 60ch;
}

/* ------------------------------------------------------------
   4. NAVIGATION
   ------------------------------------------------------------ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--full-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.site-nav__logo {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.site-nav__logo:hover {
  color: var(--accent);
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-nav__links a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 450;
  letter-spacing: 0.01em;
  transition: color 0.15s ease;
  white-space: nowrap;
}

.site-nav__links a:hover,
.site-nav__links a.active {
  color: var(--accent);
}

.site-nav__links a.active {
  font-weight: 500;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  margin-right: calc(-1 * var(--space-2));
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ------------------------------------------------------------
   5. FOOTER
   ------------------------------------------------------------ */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-10) 0 var(--space-8);
}

.site-footer__inner {
  max-width: var(--full-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.site-footer__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.site-footer__links a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.site-footer__links a:hover {
  color: var(--accent);
}

.site-footer__meta {
  font-size: var(--text-xs);
  color: var(--text-light);
}

.site-footer__sep {
  color: var(--border);
  margin: 0 var(--space-1);
}

/* ------------------------------------------------------------
   6. HOMEPAGE — HERO
   ------------------------------------------------------------ */
.hero {
  padding: var(--space-20) 0 var(--space-16);
  border-bottom: 1px solid var(--border);
}

.hero__inner {
  max-width: var(--full-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-16);
  align-items: start;
}

.hero__content {}

.hero__eyebrow {
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-5);
}

.hero__eyebrow span {
  margin: 0 var(--space-2);
  color: var(--border);
}

.hero__headline {
  font-size: var(--text-3xl);
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: var(--space-6);
  max-width: 26ch;
}

.hero__intro {
  font-size: var(--text-md);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 56ch;
  margin-bottom: var(--space-8);
}

.hero__ctas {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero__photo {
  width: 200px;
  flex-shrink: 0;
}

.hero__photo img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  filter: grayscale(15%);
}

.hero__photo-placeholder {
  width: 200px;
  height: 200px;
  background: var(--accent-pale);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ------------------------------------------------------------
   7. BUTTONS
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  padding: 0.6em 1.15em;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
  border: 1.5px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn--secondary:hover {
  background: var(--accent);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}

.btn--ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.btn--icon {
  font-size: var(--text-base);
  padding: 0.55em 0.9em;
}

/* Arrow link (inline) */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: gap 0.15s ease, color 0.15s ease;
}

.link-arrow:hover {
  gap: var(--space-3);
  color: var(--accent-hover);
}

.link-arrow::after {
  content: '→';
  display: inline-block;
}

/* ------------------------------------------------------------
   8. HOMEPAGE — RESEARCH THEMES
   ------------------------------------------------------------ */
.section {
  padding: var(--space-16) 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section__inner {
  max-width: var(--full-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  gap: var(--space-4);
}

.section__title {
  font-size: var(--text-lg);
  font-family: var(--font-serif);
  font-weight: 600;
}

.section__link {
  font-size: var(--text-sm);
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.section__link:hover {
  color: var(--accent);
}

/* Theme cards */
.themes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.theme-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: var(--space-6);
  transition: border-color 0.15s ease;
}

.theme-card:hover {
  border-color: var(--accent);
}

.theme-card__label {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--space-3);
  letter-spacing: 0.01em;
}

.theme-card__title {
  font-size: var(--text-base);
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-3);
}

.theme-card__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: none;
}

/* ------------------------------------------------------------
   9. PUBLICATIONS LIST (homepage + full page)
   ------------------------------------------------------------ */
.pub-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pub-entry {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.pub-entry:first-child {
  border-top: 1px solid var(--border);
}

.pub-entry__year {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-light);
  font-weight: 400;
  padding-top: 0.15em;
  min-width: 2.5rem;
}

.pub-entry__body {}

.pub-entry__title {
  font-size: var(--text-base);
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: var(--space-2);
}

.pub-entry__title a {
  color: inherit;
}

.pub-entry__title a:hover {
  color: var(--accent);
}

.pub-entry__meta {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

.pub-entry__authors {
  font-size: var(--text-sm);
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

.pub-entry__links {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.pub-entry__links a {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 0.2em 0.6em;
  border-radius: 2px;
  transition: border-color 0.15s, color 0.15s;
}

.pub-entry__links a:hover {
  border-color: var(--accent);
  background: var(--accent-pale);
}

/* Publication type badge */
.pub-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.15em 0.5em;
  border-radius: 2px;
  letter-spacing: 0.03em;
}

.pub-badge--journal   { color: var(--accent); border-color: var(--accent-pale); background: var(--accent-pale); }
.pub-badge--conference {}
.pub-badge--preprint  {}

/* Publication section header on full page */
.pub-section-heading {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: var(--space-10);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}

/* ------------------------------------------------------------
   10. AFFILIATIONS STRIP (homepage)
   ------------------------------------------------------------ */
.affiliations {
  padding: var(--space-10) 0;
}

.affiliations__inner {
  max-width: var(--full-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.affiliations__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-right: var(--space-4);
  white-space: nowrap;
}

.affiliations__items {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.affiliations__item {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 450;
  transition: color 0.15s;
}

.affiliations__item:hover {
  color: var(--accent);
}

.affiliations__sep {
  color: var(--border);
  font-size: var(--text-sm);
}

/* ------------------------------------------------------------
   12. ABOUT PAGE
   ------------------------------------------------------------ */
.about-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-12);
  align-items: start;
}

.about-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-8));
}

.about-sidebar__photo img,
.about-sidebar__photo-placeholder {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: var(--space-5);
}

.about-sidebar__photo-placeholder {
  background: var(--accent-pale);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: -0.02em;
  width: 200px;
  height: 200px;
}

.about-sidebar__name {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.about-sidebar__role {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.about-sidebar__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about-sidebar__links a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.about-sidebar__links a:hover {
  color: var(--accent);
}

/* About page inline photo */
.about-photo {
  margin: var(--space-8) 0;
  max-width: 520px;
}
.about-photo img {
  width: 100%;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.about-photo figcaption {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  line-height: 1.5;
  margin-top: var(--space-2);
  max-width: none;
}

/* Methods/skills tags */
.method-groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.method-group__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0;
}

.method-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.method-tag {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--accent);
  background: var(--accent-pale);
  border: 1px solid transparent;
  padding: 0.25em 0.6em;
  border-radius: 2px;
  letter-spacing: 0.01em;
}

/* ------------------------------------------------------------
   13. RESEARCH PAGE
   ------------------------------------------------------------ */
.research-area {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--border);
}

.research-area:last-child {
  border-bottom: none;
}

.research-area__number {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.06em;
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.research-area__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

/* ------------------------------------------------------------
   14. INNOVATION PAGE
   ------------------------------------------------------------ */
.innovation-direction {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--border);
}

.innovation-direction:last-child {
  border-bottom: none;
}

.innovation-direction__title {
  font-size: var(--text-base);
  font-family: var(--font-sans);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

/* Contact section */
.contact-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: var(--space-8);
  margin-top: var(--space-10);
}

.contact-block__title {
  font-size: var(--text-md);
  margin-bottom: var(--space-3);
}

.contact-block__text {
  color: var(--text-muted);
  margin-bottom: var(--space-5);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--text-muted);
  transition: color 0.15s;
}

.contact-link:hover {
  color: var(--accent);
}

.contact-link__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  min-width: 4.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ------------------------------------------------------------
   15. CV PAGE
   ------------------------------------------------------------ */
.cv-section {
  margin-bottom: var(--space-10);
}

.cv-section__title {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}

.cv-entry {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-5);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border);
}

.cv-entry:last-child {
  border-bottom: none;
}

.cv-entry__period {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-light);
  padding-top: 0.15em;
  line-height: 1.4;
}

.cv-entry__body {}

.cv-entry__title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.cv-entry__place {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.cv-entry__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 52ch;
}

/* ------------------------------------------------------------
   16. TOOLS / PROJECTS
   ------------------------------------------------------------ */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  transition: border-color 0.15s;
}

.project-card:hover {
  border-color: var(--accent);
}

.project-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  gap: var(--space-4);
}

.project-card__name {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text);
}

.project-card__status {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  border: 1px solid var(--border);
  padding: 0.2em 0.5em;
  border-radius: 2px;
  letter-spacing: 0.03em;
}

.project-card__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: none;
  margin-bottom: var(--space-4);
}

.project-card__links {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

/* ------------------------------------------------------------
   17. UTILITIES
   ------------------------------------------------------------ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-muted  { color: var(--text-muted); }
.text-light  { color: var(--text-light); }
.text-accent { color: var(--accent); }
.text-mono   { font-family: var(--font-mono); }
.text-serif  { font-family: var(--font-serif); }
.text-sm     { font-size: var(--text-sm); }
.text-xs     { font-size: var(--text-xs); }
.mt-0 { margin-top: 0; }

/* Divider label */
.divider-label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-8) 0 var(--space-5);
}

.divider-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ------------------------------------------------------------
   18. RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 900px) {
  :root {
    --text-3xl: 2.4rem;
  }

  .themes-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__photo {
    order: -1;
  }

  .about-layout {
    grid-template-columns: 1fr;
  }

  .about-sidebar {
    position: static;
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
  }

  .about-sidebar__photo-placeholder,
  .about-sidebar__photo img {
    width: 120px;
    height: 120px;
    margin-bottom: 0;
    flex-shrink: 0;
  }
}

@media (max-width: 640px) {
  :root {
    --text-3xl: 2rem;
    --text-2xl: 1.75rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: var(--space-4) var(--space-6) var(--space-6);
    gap: var(--space-4);
    align-items: flex-start;
  }

  .site-nav__links.is-open {
    display: flex;
  }

  .site-nav__links a {
    font-size: var(--text-base);
  }

  .themes-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: var(--space-12) 0 var(--space-10);
  }

  .hero__headline {
    max-width: none;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: flex-start;
  }

  .cv-entry {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .cv-entry__period {
    font-size: var(--text-xs);
  }

  .pub-entry {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .pub-entry__year {
    display: none;
  }

  .about-sidebar {
    flex-direction: column;
  }

  .section__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
}

/* ============================================================
   19. PUBLICATIONS V2 — year-grouped, tags, abstracts
   ============================================================ */

.pub-total {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-light);
  margin-bottom: var(--space-8);
  letter-spacing: 0.03em;
}

/* Journal venue summary bar */
.pub-venue-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  padding: var(--space-4) var(--space-5);
  background: var(--accent-pale);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.pub-venue-bar__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-right: var(--space-2);
  flex-shrink: 0;
}

.pub-venue-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px var(--space-3);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
}

.pub-venue-chip__name {
  color: var(--accent);
  font-weight: 500;
}

.pub-venue-chip__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background: var(--bg);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 9px;
  font-size: 10px;
  font-weight: 700;
  font-style: normal;
}

/* Year heading */
.pub-year-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-top: var(--space-10);
  margin-bottom: var(--space-2);
}

.pub-year-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.pub-year-label {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.pub-year-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-light);
  flex-shrink: 0;
}

/* Publication list */
.pub-list-v2 {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Individual row */
.pub-row {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}

.pub-row:last-child {
  border-bottom: none;
}

.pub-row--featured {
  position: relative;
}

.pub-row--featured::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-4));
  top: var(--space-5);
  bottom: var(--space-5);
  width: 2px;
  background: var(--accent);
  border-radius: 1px;
  opacity: 0.5;
}

.pub-row__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}

.pub-row__title {
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1.45;
  color: var(--text);
  max-width: none;
  flex: 1;
}

.pub-row__title a {
  color: inherit;
  text-decoration: none;
}

.pub-row__title a:hover {
  color: var(--accent);
}

/* Type chip */
.pub-type-chip {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2em 0.55em;
  border-radius: 2px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 0.15em;
  font-weight: 500;
}

.pub-type-chip--journal {
  background: var(--accent-pale);
  color: var(--accent);
  border: 1px solid transparent;
}

.pub-type-chip--conference {
  background: #f0f4f0;
  color: #2d5a2d;
  border: 1px solid transparent;
}

.pub-type-chip--preprint {
  background: #fdf3e7;
  color: #8a5e1a;
  border: 1px solid transparent;
}

/* Authors */
.pub-row__authors {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-1);
  max-width: none;
}

/* Venue */
.pub-row__venue {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--space-3);
  max-width: none;
}

.pub-row__venue-name {
  font-style: italic;
}

.pub-row__venue-detail {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-light);
}

.pub-row__note {
  font-style: normal;
  font-size: var(--text-xs);
  color: #8a5e1a;
  background: #fdf3e7;
  padding: 0.1em 0.4em;
  border-radius: 2px;
  margin-left: var(--space-1);
}

/* Tags */
.pub-row__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.pub-tag {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.15em 0.5em;
  border-radius: 2px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* Footer: links + abstract toggle */
.pub-row__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.pub-row__links {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  align-items: center;
}

.pub-link {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
  border: 1px solid var(--border);
  padding: 0.2em 0.6em;
  border-radius: 2px;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  white-space: nowrap;
}

.pub-link:hover {
  border-color: var(--accent);
  background: var(--accent-pale);
  color: var(--accent);
}

/* Abstract expand/collapse */
.pub-abstract {
  margin: 0;
}

.pub-abstract__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.pub-abstract__header::-webkit-details-marker { display: none; }
.pub-abstract__header::marker { display: none; }

.pub-abstract__toggle {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2em 0.5em;
  border-radius: 2px;
  transition: color 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.pub-abstract__toggle::before {
  content: '▸ ';
  font-size: 0.65rem;
}

details[open] .pub-abstract__toggle::before {
  content: '▾ ';
}

.pub-abstract__header:hover .pub-abstract__toggle {
  color: var(--accent);
}

.pub-abstract__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.65;
  margin-top: var(--space-3);
  padding: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  max-width: none;
}

/* ============================================================
   20. FORECAST ERROR EXPLORER SECTION
   ============================================================ */

.forecast-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-12) 0;
}

.forecast-section__inner {
  max-width: var(--full-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.forecast-section__header {
  margin-bottom: var(--space-6);
}

.forecast-section__eyebrow {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: 0;
}

/* Pulsing green live indicator dot */
.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: #27ae60;
  border-radius: 50%;
  margin-right: 7px;
  flex-shrink: 0;
  animation: live-pulse 2.4s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { opacity: 1;    box-shadow: 0 0 0 0 rgba(39,174,96,0.45); }
  50%       { opacity: 0.82; box-shadow: 0 0 0 5px rgba(39,174,96,0); }
}

.forecast-section__title {
  font-size: var(--text-xl);
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-2);
}

.forecast-section__subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 70ch;
}

/* Controls bar */
.forecast-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.fc-group {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px;
}

.fc-group--forecast,
.fc-group--view {
  flex-wrap: wrap;
}

/* Separator between control groups */
.fc-group + .fc-group::before {
  display: none;
}

.forecast-controls .fc-group + .fc-group {
  margin-left: var(--space-2);
}

/* Tabs */
.fc-tab {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 2px;
  padding: 0.4em 0.9em;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  line-height: 1;
}

.fc-tab:hover {
  color: var(--accent);
  background: var(--accent-pale);
}

.fc-tab--active {
  background: var(--surface);
  color: var(--accent);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.fc-tab--sm {
  font-size: var(--text-xs);
  padding: 0.35em 0.7em;
}

.fc-tab--ghost {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* Filters row */
.forecast-filters {
  margin-bottom: var(--space-3);
}

.fc-filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.fc-filter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.fc-filter__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.fc-filter__select {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.3em 2em 0.3em 0.6em;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%235a5a5a'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6em center;
  transition: border-color 0.15s;
  min-width: 110px;
}

.fc-filter__select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: var(--accent);
}

.fc-filter__select:hover {
  border-color: var(--accent);
}

.fc-filter__select option:disabled {
  color: var(--text-light);
}

.fc-filter--note {
  gap: var(--space-2);
}

.fc-filter__note-text {
  font-size: var(--text-xs);
  color: var(--text-light);
  font-style: italic;
}

/* Gaussian comparison toggle */
.fc-gauss-wrap {
  margin-left: auto;
}

.fc-gauss-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.fc-gauss-toggle__check {
  accent-color: var(--accent);
  cursor: pointer;
}

.fc-gauss-toggle__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* Guided discovery callout */
.fc-guide {
  position: relative;
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-5);
  padding-right: var(--space-8);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
  transition: opacity 0.25s, transform 0.25s;
}
.fc-guide[hidden] {
  display: none;
}
.fc-guide__close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-3);
  background: none;
  border: none;
  font-size: var(--text-md);
  color: var(--text-light);
  cursor: pointer;
  line-height: 1;
  padding: 2px 6px;
}
.fc-guide__close:hover {
  color: var(--text);
}
.fc-guide__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-1);
}
.fc-guide__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
  max-width: none;
}

/* Chart layout wrapper: panels + metrics rail */
.forecast-layout {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--surface);
  overflow: hidden;
  min-height: 520px;
}

/* Two-row chart layout: distribution top, trajectory bottom */
.forecast-panels {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
  min-width: 0;
  min-height: 520px;
}

.forecast-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.forecast-panel--dist { flex: 3; border-bottom: 1px solid var(--border); }
.forecast-panel--traj { flex: 2; }

.forecast-panel__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  letter-spacing: 0.04em;
  padding: var(--space-2) var(--space-3) 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Trajectory panel header: label text + TZ toggle on same row */
.forecast-panel__label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3) 0;
  gap: var(--space-2);
}
.forecast-panel__label-row .forecast-panel__label {
  padding: 0;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  flex: 1;
  min-width: 0;
}

/* Timezone pill toggle */
.fc-tz-group {
  display: flex;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.fc-tz-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  padding: 0.2em 0.6em;
  border: none;
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  line-height: 1.5;
  transition: background 0.12s, color 0.12s;
}
.fc-tz-btn + .fc-tz-btn {
  border-left: 1px solid var(--border);
}
.fc-tz-btn:hover {
  color: var(--accent);
}
.fc-tz-btn--active {
  background: var(--accent-pale);
  color: var(--accent);
  font-weight: 500;
}

.forecast-chart-area {
  flex: 1;
  width: 100%;
  min-height: 200px;
}

.forecast-loading {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-light);
  letter-spacing: 0.04em;
  background: rgba(248,247,245,0.88);
  pointer-events: none;
  z-index: 2;
}

.forecast-error-overlay {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-align: center;
  padding: var(--space-6);
  background: rgba(248,247,245,0.92);
  z-index: 3;
}

/* Stats strip */
.forecast-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.forecast-stat {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.forecast-stat__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.forecast-stat__value {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text);
  font-weight: 500;
}

.forecast-stat--source {
  margin-left: auto;
}

.forecast-stat__source {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  letter-spacing: 0.02em;
}

/* Metrics rail */
.forecast-metrics {
  width: 210px;
  flex-shrink: 0;
  border-left: 1px solid var(--border);
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  overflow-y: auto;
}

.fm-section {
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}

.fm-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.fm-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1px 0;
  gap: var(--space-2);
}

.fm-row--header {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 2px;
  display: block;
}

.fm-label {
  color: var(--text-light);
  font-size: 10px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.fm-value {
  font-weight: 500;
  color: var(--text);
  text-align: right;
  white-space: nowrap;
}

.fm-c-emp   { color: var(--text); }
.fm-c-gauss { color: rgba(185,90,20,1); }
.fm-c-beta  { color: rgba(20,120,100,1); }

.fm-unit {
  font-size: 9px;
  color: var(--text-light);
  margin-left: 2px;
}

.fm-value--pct {
  font-size: 10px;
}

.fm-val-mw {
  display: block;
  text-align: right;
}

.fm-val-delta {
  display: block;
  text-align: right;
  font-size: 9px;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 0.02em;
  margin-top: 2px;
}


.fm-value--time {
  font-size: 9px;
  letter-spacing: 0;
}

/* CVaR info icon */
.fm-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--text-light);
  color: var(--bg);
  font-size: 8px;
  font-style: italic;
  font-weight: 700;
  cursor: help;
  vertical-align: middle;
  margin-left: 3px;
  line-height: 1;
  flex-shrink: 0;
  user-select: none;
}

/* JS-driven tooltip — appended to <body>, position:fixed escapes overflow:hidden */
.fm-tooltip {
  position: fixed;
  z-index: 9999;
  width: 220px;
  padding: 8px 10px;
  background: var(--text);
  color: var(--bg);
  font-size: 10px;
  font-weight: 400;
  font-family: var(--font-sans);
  line-height: 1.45;
  letter-spacing: 0;
  text-transform: none;
  border-radius: 4px;
  pointer-events: none;
  white-space: normal;
  display: none;
}

/* Elia link in eyebrow */
.fc-elia-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.fc-elia-link:hover {
  border-bottom-color: var(--text-light);
}

/* Responsive adjustments for forecast section */
@media (max-width: 768px) {
  .forecast-controls {
    gap: var(--space-3);
  }
  .fc-group--forecast {
    width: 100%;
  }
  .fc-gauss-wrap {
    margin-left: 0;
    width: 100%;
  }
  .forecast-layout {
    flex-direction: column;
    min-height: auto;
  }
  .forecast-panels {
    min-height: 480px;
  }
  .forecast-panel--dist { min-height: 280px; }
  .forecast-panel--traj { min-height: 200px; }
  .forecast-metrics {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
  }
  .fm-section {
    flex: 1;
    min-width: 140px;
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }
  .forecast-stats {
    gap: var(--space-4);
  }
  .forecast-stat--source {
    margin-left: 0;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .fc-tab {
    font-size: var(--text-xs);
    padding: 0.35em 0.6em;
  }
  .fc-group {
    width: 100%;
    justify-content: stretch;
  }
  .fc-group .fc-tab {
    flex: 1;
    text-align: center;
  }
  .pub-row--featured::before {
    display: none;
  }
}

/* ============================================================
   NEWS BANNER — homepage strip
   ============================================================ */

.news-banner {
  background: var(--accent-pale);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) 0;
}

.news-banner__inner {
  max-width: var(--full-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
}

.news-banner__label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
  padding-top: 2px;
  flex-shrink: 0;
}

.news-banner__items {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.news-banner__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  min-width: 0;
}

.news-banner__title {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text);
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-banner__title a {
  color: var(--text);
  text-decoration: none;
}

.news-banner__title a:hover {
  color: var(--accent);
}

.news-banner__more {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  padding-top: 2px;
  letter-spacing: 0.02em;
}

.news-banner__more:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .news-banner__inner {
    flex-wrap: wrap;
    gap: var(--space-3);
  }
  .news-banner__title {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
  }
}

/* ------------------------------------------------------------
   Map teaser card (homepage → research footprint)
   ------------------------------------------------------------ */
.map-teaser {
  display: block;
  position: relative;
  overflow: hidden;
  margin-top: var(--space-5);
  padding: var(--space-8) var(--space-8);
  background: var(--accent);
  border-radius: 4px;
  text-decoration: none;
  color: #fff;
  transition: box-shadow 0.2s ease;
}
.map-teaser:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.map-teaser__bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/world-map.svg') center / cover no-repeat;
  opacity: 0.07;
  pointer-events: none;
}
.map-teaser__body {
  position: relative;
  z-index: 1;
}
.map-teaser__eyebrow {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-4);
}
.map-teaser__stats {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-4);
  max-width: none;
}
.map-teaser__stat {
  display: flex;
  flex-direction: column;
}
.map-teaser__number {
  font-size: var(--text-2xl);
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1;
  color: #fff;
}
.map-teaser__unit {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.6);
  margin-top: var(--space-1);
}
.map-teaser__cta {
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  transition: color 0.15s;
}
.map-teaser:hover .map-teaser__cta {
  color: #fff;
}

/* ============================================================
   NEWS PAGE
   ============================================================ */

.news-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
}

.news-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item__aside {
  padding-top: 2px;
  text-align: right;
}

.news-cat {
  display: inline-block;
  font-size: 9px;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 3px;
}

.news-cat--award       { background: #fef3e2; color: #b86a00; }
.news-cat--conference  { background: var(--accent-pale); color: var(--accent); }
.news-cat--publication { background: #e8f5f2; color: rgba(20,120,100,1); }
.news-cat--visit       { background: #f0f4f0; color: #2d5a2d; }
.news-cat--media       { background: #fdf3e7; color: #8a5e1a; }
.news-cat--training    { background: #ede9fe; color: #5b21b6; }

.news-item__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  margin: 0 0 var(--space-2);
  line-height: 1.4;
}

.news-item__title a {
  color: var(--accent);
  text-decoration: none;
}

.news-item__title a:hover {
  text-decoration: underline;
}

.news-item__date {
  display: block;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  margin-top: var(--space-2);
  text-align: right;
}

.news-item__text {
  font-size: var(--text-sm);
  color: var(--text-light);
  margin: 0;
  line-height: 1.65;
}

.news-item__photo {
  display: block;
  margin-top: var(--space-4);
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--border);
}

@media (max-width: 540px) {
  .news-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  .news-item__aside {
    text-align: left;
  }
}

/* ------------------------------------------------------------
   20. RESEARCH FOOTPRINT MAP (Leaflet)
   ------------------------------------------------------------ */

.map-section {
  padding: var(--space-16) 0;
  border-top: 1px solid var(--border);
}
.map-section__header {
  margin-bottom: var(--space-8);
}
.map-section__eyebrow {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: var(--space-3);
}
.map-section__title {
  font-size: var(--text-2xl);
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-3);
}
.map-section__subtitle {
  font-size: var(--text-base);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 64ch;
}

/* Map container */
.map-wrap {
  position: relative;
  overflow: hidden;
}
.map-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  overflow: hidden;
  position: relative;
  z-index: 1;
}
/* Aspect ratio fallback */
@supports not (aspect-ratio: 16 / 9) {
  .map-container { padding-bottom: 56.25%; height: 0; }
}

/* Leaflet overrides — match site typography */
.map-container .leaflet-control-attribution {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-light);
  background: rgba(248, 247, 245, 0.88);
}
.map-container .leaflet-control-attribution a {
  color: var(--text-muted);
}
.map-container .leaflet-control-zoom a {
  font-family: var(--font-sans);
  color: var(--text-muted);
  border-color: var(--border);
  background: var(--surface);
  width: 30px;
  height: 30px;
  line-height: 30px;
  font-size: 16px;
}
.map-container .leaflet-control-zoom a:hover,
.map-container .leaflet-control-zoom-reset:hover {
  color: var(--accent);
  background: var(--accent-pale);
}
.map-container .leaflet-control-zoom-reset {
  font-family: var(--font-sans);
  color: var(--text-muted);
  border-color: var(--border);
  background: var(--surface);
  width: 30px;
  height: 30px;
  line-height: 30px;
  font-size: 16px;
  display: block;
  text-align: center;
  text-decoration: none;
  border-top: 1px solid var(--border);
  cursor: pointer;
}
.map-container .leaflet-control-zoom {
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* Custom markers */
.map-marker {
  background: none !important;
  border: none !important;
}
.map-marker__dot {
  display: block;
  border-radius: 50%;
  border: 2px solid var(--surface);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}
.map-marker:hover .map-marker__dot {
  transform: scale(1.35);
}

/* Home pin pulse */
.map-marker__dot--home {
  animation: home-pulse 3s ease-in-out infinite;
}
@keyframes home-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(190,24,93,0.22), 0 1px 4px rgba(0,0,0,0.2); }
  50%      { box-shadow: 0 0 0 9px rgba(190,24,93,0.07), 0 1px 4px rgba(0,0,0,0.2); }
}

/* Pin entrance animation */
.map-marker--enter {
  animation: pin-enter 0.35s ease-out;
}
@keyframes pin-enter {
  from { transform: scale(0.4); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

/* Cluster icons */
.map-cluster-icon { background: none !important; border: none !important; }
.map-cluster {
  width: 36px;
  height: 36px;
  background: #b45309;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  border: 2.5px solid rgba(255,255,255,0.85);
  box-shadow: 0 2px 8px rgba(0,0,0,0.22);
  cursor: pointer;
  transition: transform 0.15s;
}
.map-cluster:hover { transform: scale(1.12); }

/* Hover preview card */
.map-preview {
  position: absolute;
  z-index: 1000;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: var(--space-3) var(--space-4);
  max-width: 220px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  pointer-events: none;
  font-size: var(--text-sm);
  transition: opacity 0.12s;
}
.map-preview[hidden] { opacity: 0; display: block; pointer-events: none; visibility: hidden; }
.map-preview:not([hidden]) { opacity: 1; visibility: visible; }
.map-preview__type {
  display: block;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
  font-weight: 500;
}
.map-preview__label {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
  line-height: 1.3;
}
.map-preview__summary {
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
}
.map-preview__photo {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: 0.6rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: #64748b;
  padding: 2px 6px;
  border-radius: 10px;
}
.map-preview__photo[hidden] { display: none; }

/* Detail panel — desktop: slides in from right */
.map-detail {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 1001;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  border-radius: 0 4px 4px 0;
}
.map-detail[hidden] { display: block; }
.map-detail[data-visible="true"] {
  transform: translateX(0);
}
.map-detail__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--text-light);
  cursor: pointer;
  line-height: 1;
  padding: 2px 6px;
  z-index: 2;
  border-radius: 3px;
}
.map-detail__close:hover {
  color: var(--text);
  background: var(--bg);
}
.map-detail__inner {
  padding: var(--space-6);
}
.map-detail__head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.map-detail__badge {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
}
.map-detail__badge--home          { background: #fce7f3; color: #be185d; }
.map-detail__badge--education     { background: #e8eef7; color: #1e40af; }
.map-detail__badge--publication   { background: #d1fae5; color: #065f46; }
.map-detail__badge--talk          { background: #fefce8; color: #a16207; }
.map-detail__badge--training      { background: #e0f7fa; color: #0e7490; }
.map-detail__badge--visit { background: #ede9fe; color: #6d28d9; }
.map-detail__badge--data          { background: #e0f2fe; color: #0369a1; }
.map-detail__badge--award         { background: #fde8e8; color: #b91c1c; }

.map-detail__year {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
}
.map-detail__label {
  font-size: var(--text-lg);
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}
.map-detail__location {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}
.map-detail__venue {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-light);
  margin-bottom: var(--space-3);
}
.map-detail__paper {
  font-size: var(--text-sm);
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: var(--space-4);
  padding-left: var(--space-3);
  border-left: 2px solid var(--border);
}
.map-detail__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  white-space: pre-line;
}
.map-detail__image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  margin-bottom: var(--space-4);
}
.map-detail__image[hidden] { display: none; }
.map-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.map-detail__tag {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--text-light);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  white-space: nowrap;
}
.map-detail__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.map-detail__actions .btn--sm {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
}

/* Scroll interaction hint */
.map-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  z-index: 1000;
  background: var(--accent);
  color: #fff;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  padding: var(--space-2) var(--space-4);
  border-radius: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  white-space: nowrap;
}
.map-hint--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Legend */
.map-legend {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.map-legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.map-legend__item::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.map-legend__item--home::before          { background: #be185d; }
.map-legend__hint {
  color: var(--text-light);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  align-self: center;
}
.map-legend__item--education::before     { background: #2563eb; }
.map-legend__item--publication::before   { background: #059669; }
.map-legend__item--talk::before          { background: #ca8a04; }
.map-legend__item--training::before      { background: #0891b2; }
.map-legend__item--visit::before { background: #7c3aed; }
.map-legend__item--data::before          { background: #0284c7; }
.map-legend__item--award::before         { background: #dc2626; }

/* Off-screen pin indicators */
.map-offscreen-wrap {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 800;
}
.map-osi {
  position: absolute;
  background: #b45309;
  color: #fff;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 5px 9px 5px 7px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  line-height: 1;
  transition: background 0.15s, transform 0.15s;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.map-osi:hover {
  background: #92400e;
  transform: scale(1.06);
}
.map-osi--n  { top: 8px; left: 50%; transform: translateX(-50%); }
.map-osi--ne { top: 8px; right: 8px; }
.map-osi--e  { top: 50%; right: 8px; transform: translateY(-50%); }
.map-osi--se { bottom: 40px; right: 8px; }
.map-osi--s  { bottom: 40px; left: 50%; transform: translateX(-50%); }
.map-osi--sw { bottom: 40px; left: 8px; }
.map-osi--w  { top: 50%; left: 8px; transform: translateY(-50%); }
.map-osi--nw { top: 8px; left: 8px; }

/* Mobile: detail becomes bottom sheet, no preview */
@media (max-width: 639px) {
  .map-container {
    aspect-ratio: 4 / 3;
    min-height: 320px;
  }
  @supports not (aspect-ratio: 4 / 3) {
    .map-container { padding-bottom: 75%; }
  }
  .map-detail {
    position: fixed;
    top: auto;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-height: 60vh;
    border-left: none;
    border-radius: 12px 12px 0 0;
    border-top: 1px solid var(--border);
    transform: translateY(100%);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
  }
  .map-detail[data-visible="true"] {
    transform: translateY(0);
  }
  .map-preview { display: none !important; }
  .map-legend {
    gap: var(--space-3);
  }
}

/* Print styles */
@media print {
  .site-nav, .site-footer, .hero__ctas, .btn { display: none; }
  body { background: white; font-size: 12pt; }
  .container { max-width: none; padding: 0; }
  .forecast-section { display: none; }
  .map-section { display: none; }
}