/* ============================================================================
 * landing.css — jeffreyclark.se-v2 landing
 * Class prefixes: jc-* (global, in base.html), lp-* (landing-only, here).
 * Tokens come from base.html. Mobile-first; min-width media queries only.
 * ============================================================================ */

/* ============================================================ NAV (jc-nav) */

.jc-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}
[data-mode="dark"] .jc-nav { background: rgba(10, 10, 13, 0.82); }

.jc-nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-6);
}
.jc-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}
/* Brand avatar.
 * Default state: visible (used on /cv, anywhere without a hero photo).
 * On the landing page (body.jc-page-landing) the avatar starts hidden — that
 * baseline is set by CSS so first paint matches the JS-after-load state. JS
 * adds .jc-nav-scrolled to the nav when the hero photo leaves the viewport,
 * which flips the avatar back to visible. No flash on reload. */
.jc-nav-brand-avatar {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background-image: url('/s/jeffrey.jpg');
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  margin-right: 10px;
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.25s ease, transform 0.25s ease, width 0.25s ease, margin-right 0.25s ease, border-width 0.25s ease;
}
body.jc-page-landing .jc-nav-brand-avatar {
  opacity: 0;
  transform: translateX(-8px);
  width: 0;
  margin-right: 0;
  border-width: 0;
}
body.jc-page-landing .jc-nav.jc-nav-scrolled .jc-nav-brand-avatar {
  opacity: 1;
  transform: translateX(0);
  width: 28px;
  margin-right: 10px;
  border-width: 1px;
}
.jc-nav-brand:hover { color: var(--accent-color); }
.jc-nav-menu {
  display: none;
  list-style: none;
  margin: 0; padding: 0;
  gap: var(--space-6);
  flex: 1;
  align-items: center;
}
.jc-nav-menu li { margin: 0; }
.jc-nav-menu a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--t-fast);
}
.jc-nav-menu a:hover { color: var(--accent-color); }

.jc-nav-actions {
  display: flex; align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}
.jc-nav-github,
.jc-nav-toggle {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast);
}
.jc-nav-github svg { width: 18px; height: 18px; display: block; }
.jc-nav-github:hover,
.jc-nav-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
.jc-nav-toggle { display: inline-flex; }

/* Avatar button (his face, rounded-square) */
.jc-nav-avatar {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  display: inline-flex;
  align-items: center; justify-content: center;
  transition: transform var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}
.jc-nav-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.jc-nav-avatar:hover {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-alpha);
  transform: translateY(-1px);
}

/* Dropdown */
.jc-dropdown { position: relative; }
.jc-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 280px;
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
  z-index: 200;
}
.jc-dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.jc-dropdown-header {
  padding: var(--space-3) var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-2);
}
.jc-dropdown-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--fs-small);
}
.jc-dropdown-email {
  color: var(--text-muted);
  font-size: var(--fs-meta);
  font-family: var(--font-mono);
  margin-top: 2px;
}
.jc-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  color: var(--text-primary);
  text-decoration: none;
  transition: background var(--t-fast);
}
.jc-dropdown-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
.jc-dropdown-item-soon { color: var(--text-muted); cursor: not-allowed; }
.jc-dropdown-item-soon:hover { background: var(--bg-tertiary); color: var(--text-muted); }
.jc-dropdown-badge {
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1px 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-tertiary);
  color: var(--text-muted);
}
.jc-dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--space-2) 0;
}
.jc-dropdown-section {
  padding: var(--space-2) var(--space-3);
}
.jc-dropdown-section-label {
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.jc-dropdown-segmented {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  background: var(--bg-tertiary);
  padding: 3px;
  border-radius: var(--radius-sm);
}
.jc-seg-btn {
  border: none;
  background: transparent;
  font-size: var(--fs-meta);
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.jc-seg-btn:hover { color: var(--text-primary); }
.jc-seg-btn.active {
  background: var(--bg-elevated);
  color: var(--accent-color);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .jc-nav-menu { display: flex; }
  .jc-nav-toggle { display: none; }
}
@media (max-width: 767px) {
  .jc-nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-3);
    box-shadow: var(--shadow-md);
  }
  .jc-nav-menu.open { display: flex; }
}

/* Landing has its own hero that already pads for the fixed nav, so
   opt out of the global `main { padding-top: var(--nav-height) }` rule. */
body.jc-page-landing main { padding-top: 0; }

/* ============================================================ HERO (lp-hero) */

.lp-hero {
  position: relative;
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-20);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.lp-hero .jc-container { position: relative; z-index: 1; }

.lp-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}
@media (min-width: 768px) {
  .lp-hero-grid {
    grid-template-columns: minmax(120px, 160px) 1fr;
    gap: var(--space-10);
  }
}

/* Profile photo: rounded square */
.lp-hero-photo {
  position: relative;
  width: 140px;
  aspect-ratio: 1;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--card-border);
}
.lp-hero-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  pointer-events: none;
}
.lp-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (min-width: 768px) {
  .lp-hero-photo {
    width: 100%;
    max-width: 160px;
  }
}

.lp-hero-main { min-width: 0; }

.lp-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin: 0 0 var(--space-3);
}

/* Affiliation line — subtle link below the subtitle, points at SU profile.
 * Replaces the verified-check icon with text + tiny external-link glyph. */
.lp-hero-affiliation {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-6);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.lp-hero-affiliation a {
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px dotted var(--text-muted);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.lp-hero-affiliation a:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
}
.lp-hero-affiliation svg {
  color: var(--text-muted);
  flex-shrink: 0;
}
.lp-hero-title {
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-4);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-color) 130%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lp-hero-subtitle {
  font-size: clamp(1.05rem, 2.0vw, 1.3rem);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.005em;
  margin: 0 0 var(--space-3);
}
.lp-hero-lede {
  font-size: var(--fs-body);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 0 var(--space-6);
  line-height: 1.65;
}
.lp-hero-lede a {
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 1px solid var(--accent-color);
  transition: color var(--t-fast), background var(--t-fast);
}
.lp-hero-lede a:hover {
  color: var(--accent-color);
  background: var(--accent-alpha);
}

/* Topic chips — what Jeffrey works on. Mono, compact, scannable.
 * Different shape from the recent strip pills so the visual rhythm varies. */
.lp-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 var(--space-6);
  list-style: none;
  padding: 0;
}
.lp-topics li {
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.005em;
  padding: 5px 12px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: var(--radius-pill);
  border: 1px solid var(--card-border);
}

/* Social-button row — icon-only by default. Email reveals address inline
 * on click, expanding the button. Other buttons stay square-icon. */
.lp-social {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0 0 var(--space-6);
  list-style: none;
  padding: 0;
}
.lp-social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast), width var(--t-base);
}
.lp-social-btn svg { flex-shrink: 0; }
.lp-social-btn:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Email button widens when label is filled by JS reveal. */
.lp-social-label:empty { display: none; }
.lp-social-label:not(:empty) {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--accent-color);
  padding-right: 6px;
}
.lp-social-btn.jc-email-reveal:has(.lp-social-label:not(:empty)) {
  width: auto;
  padding: 0 6px 0 14px;
}

/* Recent strip */
.lp-recent {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 640px;
}
.lp-recent li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.lp-recent-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.lp-recent-meta [data-event-days-until],
.lp-recent-meta [data-event-day-of],
.lp-recent-meta [data-event-day-total] {
  color: var(--accent-color);
  font-weight: 600;
}
.lp-recent-title {
  font-size: var(--fs-body);
  color: var(--text-primary);
  line-height: 1.4;
}
.lp-recent-title strong {
  font-weight: 700;
  color: var(--accent-color);
}
.lp-recent-link {
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-color: var(--card-border);
  text-underline-offset: 3px;
  transition: color var(--t-fast), text-decoration-color var(--t-fast);
}
.lp-recent-link:hover {
  color: var(--accent-color);
  text-decoration-color: var(--accent-color);
}
.lp-recent-sub {
  font-size: var(--fs-small);
  color: var(--text-muted);
  margin-top: 2px;
}

/* Event lifecycle — only the matching state span is visible. */
.lp-event [data-event-state] { display: none; }
.lp-event.is-future [data-event-state="future"],
.lp-event.is-active [data-event-state="active"],
.lp-event.is-past   [data-event-state="past"] { display: inline; }

/* ============================================================ PAGE HEADERS (lp-page-header) */

.lp-page-header {
  padding-top: calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--space-10);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}
.lp-page-title {
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-3);
}
.lp-page-lede {
  font-size: var(--fs-body);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0;
  line-height: 1.6;
}

/* ============================================================ SECTIONS (lp-section) */

.lp-section {
  padding: var(--space-16) 0;
}
.lp-section-alt {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.lp-section-title {
  font-size: var(--fs-display);
  margin: 0 0 var(--space-3);
}
.lp-section-lede {
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 0 var(--space-10);
}

/* ============================================================ PAPERS (lp-papers) */

.lp-papers {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.lp-paper {
  padding: var(--space-6);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.lp-paper:hover {
  box-shadow: var(--shadow-md);
}
.lp-paper-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
}
.lp-paper-year { color: var(--text-secondary); }
.lp-paper-venue { color: var(--text-secondary); }
.lp-paper-title {
  font-size: 1.15rem;
  margin: 0 0 var(--space-2);
  line-height: 1.3;
}
.lp-paper-authors {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  margin: 0 0 var(--space-3);
}
.lp-paper-abstract-text {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
  text-align: justify;
  hyphens: auto;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.lp-paper-abstract.is-expanded .lp-paper-abstract-text {
  display: block;
  -webkit-line-clamp: unset;
  overflow: visible;
}
.lp-paper-abstract:not(.is-expanded) .lp-paper-keywords { display: none; }
.lp-paper-abstract-toggle {
  margin-top: var(--space-2);
  padding: 0;
  background: none;
  border: none;
  font-family: inherit;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--accent-color);
  cursor: pointer;
}
.lp-paper-abstract-toggle:hover { color: var(--accent-hover); }
.lp-paper-keywords {
  margin: var(--space-3) 0 0 !important;
  font-size: var(--fs-small);
  color: var(--text-muted);
}
.lp-paper-keywords em { color: var(--text-secondary); font-style: italic; margin-right: 4px; }

/* Paper actions — always visible at bottom of paper card (NOT inside the
 * abstract details). Pill buttons. The "Paper" button on theses opens a
 * dropdown with Original/Mirror; on other entries it's just a link. */
.lp-paper-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.lp-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--fs-small);
  font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}
.lp-action-btn svg { flex-shrink: 0; opacity: 0.75; }
.lp-action-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: var(--accent-alpha);
  transform: translateY(-1px);
}
.lp-action-btn:hover svg { opacity: 1; }
.lp-action-chevron { margin-left: 2px; }
.lp-action-dropdown[aria-expanded="true"] .lp-action-chevron,
.lp-action-dropdown .jc-dropdown-menu.open ~ * .lp-action-chevron { transform: rotate(180deg); }

/* Override jc-dropdown-menu defaults for the action dropdown — smaller,
 * left-aligned, items grouped tight (icon + text), not space-between. */
.lp-action-menu {
  min-width: 220px;
  right: auto !important;
  left: 0 !important;
}
.lp-action-menu .jc-dropdown-item {
  justify-content: flex-start;
  gap: 10px;
}
.lp-action-menu .jc-dropdown-item svg { flex-shrink: 0; opacity: 0.7; }

/* ============================================================ RESEARCH (lp-research) */
/* Stacked section-style items separated by horizontal rules — no card chrome. */

.lp-research-item {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--border-color);
}
.lp-research-item:first-of-type {
  padding-top: var(--space-4);
}
.lp-research-item:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}
.lp-research-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
}
.lp-research-region {
  color: var(--text-secondary);
  font-weight: 500;
}
.lp-research-coauthors {
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}
.lp-research-title {
  font-size: clamp(1.3rem, 2.4vw, 1.6rem);
  margin: 0 0 var(--space-4);
  line-height: 1.25;
}
.lp-research-body p {
  margin: 0 0 var(--space-4);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 70ch;
}
.lp-research-body p:last-child {
  margin-bottom: 0;
}
.lp-research-status {
  font-size: var(--fs-small);
  color: var(--text-muted);
  font-style: italic;
}
.lp-research-figure {
  margin: var(--space-5) 0 0;
  padding: 0;
}
.lp-research-figure img {
  display: block;
  max-width: 360px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
}
.lp-research-figure figcaption {
  margin-top: var(--space-2);
  font-size: var(--fs-small);
  color: var(--text-muted);
  font-style: italic;
  max-width: 60ch;
  line-height: 1.5;
}

/* Two-column layout when a research item pairs text with a figure.
 * Text column takes 2/3 (col-8), figure column 1/3 (col-4) on desktop;
 * stacks on mobile. */
@media (min-width: 768px) {
  .lp-research-item:has(> .lp-research-figure) {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-6);
    align-items: start;
  }
  .lp-research-item:has(> .lp-research-figure) .lp-research-figure {
    margin: 0;
  }
  .lp-research-item:has(> .lp-research-figure) .lp-research-figure img {
    max-width: 100%;
  }
}

/* ============================================================ PROJECTS (lp-projects) */

.lp-projects {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 768px) {
  .lp-projects {
    grid-template-columns: 1fr 1fr;
  }
  .lp-project-feature {
    grid-column: 1 / -1;
  }
}
.lp-project {
  padding: var(--space-6);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.lp-project-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.lp-project-title {
  font-size: 1.2rem;
  margin: 0;
}
.lp-project-lede {
  color: var(--text-secondary);
  margin: 0 0 var(--space-4);
  flex: 1;
}
.lp-project-stats {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--fs-small);
  color: var(--text-secondary);
}
.lp-project-stats strong {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 600;
}
.lp-project-cta {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 500;
  align-self: flex-start;
}

/* Slider placeholder */
.lp-slider-placeholder {
  margin-top: var(--space-5);
  height: 280px;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
}
.lp-slider-msg {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-small);
}
.lp-slider-msg strong {
  display: block;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

/* ============================================================ PRE/POST SLIDER (compact, in MSc paper card) */

/* "Compare" block — small inline slider always visible inside the MSc card.
 * Caption above, capped-width slider below. Discreet but immediate. */
.lp-paper-compare {
  margin-top: var(--space-5);
}
.lp-paper-compare-note {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Mini slider container — capped width so it sits comfortably in the card. */
.lp-slider-mini {
  max-width: 720px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--card-border);
}

/* Slider — simple 16:9 box, image is pre-cropped to remove watermark/UI
 * chrome so we don't need any zoom hacks. */
.lp-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-tertiary);
  user-select: none;
  overflow: hidden;
  cursor: ew-resize;
}
.lp-slider-pane {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.lp-slider-img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  display: block;
}
.lp-slider-pane-after {
  clip-path: inset(0 0 0 50%);
}

.lp-slider-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 4px;
  margin-left: -2px;
  pointer-events: none;
  z-index: 2;
}
.lp-slider-handle-line {
  position: absolute;
  top: 0; bottom: 0;
  left: 0; right: 0;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25);
}
.lp-slider-handle-grip {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.95);
  background: var(--accent-color);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: ew-resize;
  pointer-events: auto;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.lp-slider-handle-grip:hover,
.lp-slider-handle-grip:focus {
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
  outline: none;
}

.lp-slider-label {
  position: absolute;
  top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: white;
  background: rgba(0, 0, 0, 0.55);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  pointer-events: none;
  z-index: 1;
}
.lp-slider-label-before { left: var(--space-3); }
.lp-slider-label-after  { right: var(--space-3); }

/* Picker — small numbered dots to switch which road segment shows.
 * Sits flush below the slider; bottom border is the divider before the
 * paper meta block. */
.lp-slider-picker {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}
.lp-slider-picker-label {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: var(--space-2);
}
.lp-slider-picker-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.lp-slider-picker-dot:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-1px);
}
.lp-slider-picker-dot.is-active {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

/* ============================================================ FOOTER (jc-footer) */

.jc-footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  font-size: var(--fs-small);
  color: var(--text-muted);
}
.jc-footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  align-items: flex-start;
}
@media (min-width: 768px) {
  .jc-footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-6);
  }
}
.jc-footer-left,
.jc-footer-center,
.jc-footer-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.jc-footer-name { color: var(--text-secondary); font-weight: 500; }
.jc-footer-sep { margin: 0 var(--space-2); color: var(--text-muted); }
.jc-footer a,
.jc-footer-link {
  color: var(--text-secondary);
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
}
.jc-footer a:hover,
.jc-footer-link:hover { color: var(--accent-color); }

/* Email-reveal button — looks like a link, behaves like a reveal toggle. */
.jc-email-reveal {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.01em;
  transition: color var(--t-fast);
}
.jc-email-reveal.jc-email-revealed { color: var(--text-primary); }

/* Footer segmented appearance control reuses dropdown segmented styles
 * but inline. Compact size to fit the footer. */
.jc-footer-right .jc-dropdown-segmented {
  padding: 2px;
  background: var(--bg-tertiary);
}
.jc-footer-right .jc-seg-btn {
  padding: 4px 10px;
  font-size: var(--fs-meta);
}