/**
 * LabScope flagship demo — Phase 7 visual perfection
 * Scoped to .pp-demo-research only. No new features.
 */

.pp-demo-research {
  --pp-primary-soft: color-mix(in srgb, var(--pp-primary) 12%, transparent);
  --pp-accent-soft: color-mix(in srgb, var(--pp-accent) 14%, transparent);
  --pp-surface-alt: color-mix(in srgb, var(--pp-primary) 3.5%, var(--pp-bg));
  --pp-hero-min-height: 580px;
  --pp-max-width: 1440px;
  --pp-container-padding: clamp(1rem, 2.5vw, 2.5rem);
  --pp-section-y: clamp(3rem, 5.5vw, 4.25rem);
  --pp-grid-gap: clamp(1.25rem, 2vw, 1.75rem);
  --pp-section-header-gap: clamp(1.75rem, 3vw, 2.25rem);
  --pp-radius-lg: 18px;
  --pp-shadow-soft: 0 18px 50px color-mix(in srgb, var(--pp-dark) 8%, transparent);
  --pp-shadow-card: 0 10px 30px color-mix(in srgb, var(--pp-dark) 6%, transparent);
  --pp-transition: .24s cubic-bezier(.4, 0, .2, 1);
  font-size: 1.03rem;
  line-height: 1.65;
}

@media (min-width: 1600px) {
  .pp-demo-research {
    --pp-max-width: 1600px;
  }
}

/* Layout shell — no parent wrapper may constrain width */
.pp-demo-research,
.pp-demo-research #page,
.pp-demo-research .pp-site,
.pp-demo-research .pp-main,
.pp-demo-research #primary,
.pp-demo-research .pp-home {
  width: 100%;
  max-width: none;
  min-width: 0;
}

body.pp-demo-research {
  width: 100% !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  box-shadow: none !important;
}

.pp-demo-research .pp-container {
  width: min(calc(100% - (var(--pp-container-padding) * 2)), var(--pp-max-width));
  max-width: var(--pp-max-width);
  margin-inline: auto;
  box-sizing: border-box;
}

.pp-demo-research .pp-header--premium > .pp-container {
  width: min(calc(100% - (var(--pp-container-padding) * 2)), var(--pp-max-width));
  max-width: var(--pp-max-width);
}

/* Typography scale */
.pp-demo-research .pp-hero__title,
.pp-demo-research .pp-section__title,
.pp-demo-research .pp-card__title,
.pp-demo-research .pp-footer__title {
  font-family: var(--pp-font-heading);
  letter-spacing: -.02em;
}

.pp-demo-research .pp-hero__excerpt,
.pp-demo-research .pp-card__excerpt,
.pp-demo-research .pp-footer__about,
.pp-demo-research .pp-footer__tagline,
.pp-demo-research .pp-footer__brand-desc {
  max-width: 62ch;
  line-height: 1.7;
}

/* Premium glass header */
.pp-demo-research .pp-header--premium {
  position: sticky;
  top: 0;
  z-index: 120;
  border-bottom: 1px solid color-mix(in srgb, var(--pp-primary) 12%, transparent);
  background: color-mix(in srgb, var(--pp-header-bg) 78%, transparent);
  backdrop-filter: blur(20px) saturate(1.25);
  -webkit-backdrop-filter: blur(20px) saturate(1.25);
  box-shadow: 0 1px 0 color-mix(in srgb, #fff 40%, transparent);
  transition:
    box-shadow .32s cubic-bezier(.4, 0, .2, 1),
    background .32s cubic-bezier(.4, 0, .2, 1),
    border-color .32s cubic-bezier(.4, 0, .2, 1),
    backdrop-filter .32s cubic-bezier(.4, 0, .2, 1);
}

.pp-demo-research .pp-header--premium.is-scrolled {
  box-shadow: var(--pp-shadow-soft);
  background: color-mix(in srgb, var(--pp-header-bg) 96%, transparent);
  border-bottom-color: color-mix(in srgb, var(--pp-primary) 18%, transparent);
  backdrop-filter: blur(24px) saturate(1.35);
  -webkit-backdrop-filter: blur(24px) saturate(1.35);
}

.pp-demo-research .pp-header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(0.75rem, 1.5vw, 1.5rem) clamp(1rem, 2vw, 2rem);
  min-height: 84px;
  width: 100%;
  min-width: 0;
}

.pp-demo-research .pp-header__brand {
  display: flex;
  align-items: center;
  gap: 0;
  min-width: 0;
  flex-shrink: 0;
  align-self: center;
}

.pp-demo-research .pp-nav--premium {
  width: 100%;
  min-width: 0;
  margin: 0;
  justify-self: stretch;
  align-self: center;
  overflow: hidden;
}

.pp-demo-research .pp-header__toolbar {
  margin-left: 0;
  justify-self: end;
  align-self: center;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.pp-demo-research .pp-logo__svg {
  width: auto;
  height: 48px;
  max-width: 220px;
  color: var(--pp-primary);
  transition: transform var(--pp-transition), opacity var(--pp-transition);
}

.pp-demo-research .pp-logo:hover .pp-logo__svg {
  transform: translateY(-1px);
  opacity: .92;
}

.pp-demo-research .pp-tagline--flagship {
  display: none;
  margin: 0;
  max-width: 280px;
  font-size: .78rem;
  line-height: 1.45;
  color: var(--pp-text-muted);
  white-space: normal;
}

@media (min-width: 1200px) {
  .pp-demo-research .pp-tagline--flagship {
    display: block;
  }
}

.pp-demo-research .pp-logo__image--flagship,
.pp-demo-research .pp-logo__svg {
  width: auto;
  height: 48px;
  max-width: 220px;
  color: var(--pp-primary);
  transition: transform var(--pp-transition), opacity var(--pp-transition);
}

.pp-demo-research .pp-logo:hover .pp-logo__image--flagship,
.pp-demo-research .pp-logo:hover .pp-logo__svg {
  transform: translateY(-1px);
  opacity: .92;
}

.pp-demo-research .pp-tagline {
  max-width: 320px;
  font-size: .8rem;
  line-height: 1.45;
  color: var(--pp-text-muted);
}

.pp-demo-research .pp-nav__list {
  gap: clamp(0.55rem, 1vw, 1.25rem);
  flex-wrap: nowrap;
  min-width: 0;
  justify-content: center;
  align-items: center;
}

.pp-demo-research .pp-nav__list > li {
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .pp-demo-research .pp-nav--premium .pp-nav__list {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
  }

  .pp-demo-research .pp-nav--premium .pp-nav__list a {
    white-space: nowrap;
    font-size: clamp(0.8125rem, 0.74rem + 0.22vw, 0.9375rem);
    letter-spacing: -.01em;
  }
}

@media (min-width: 1280px) {
  .pp-demo-research .pp-nav--premium .pp-nav__list a {
    font-size: .9375rem;
  }
}

@media (min-width: 1180px) {
  .pp-demo-research .pp-header__inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }
}

@media (max-width: 1179px) and (min-width: 900px) {
  .pp-demo-research .pp-header__inner {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand toolbar"
      "nav nav";
  }

  .pp-demo-research .pp-header__brand { grid-area: brand; }
  .pp-demo-research .pp-nav--premium {
    grid-area: nav;
    overflow: visible;
    padding-top: 0.15rem;
  }
  .pp-demo-research .pp-header__toolbar { grid-area: toolbar; }
}

.pp-demo-research .pp-header__actions {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: .5rem;
}

.pp-demo-research .pp-theme-switcher {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.pp-demo-research .pp-search-toggle,
.pp-demo-research .pp-dark-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--pp-primary) 14%, var(--pp-border));
  background: color-mix(in srgb, var(--pp-surface) 92%, transparent);
  box-sizing: border-box;
  flex-shrink: 0;
  transition:
    transform .24s cubic-bezier(.4, 0, .2, 1),
    border-color .24s cubic-bezier(.4, 0, .2, 1),
    box-shadow .24s cubic-bezier(.4, 0, .2, 1),
    color .24s cubic-bezier(.4, 0, .2, 1),
    background .24s cubic-bezier(.4, 0, .2, 1);
}

.pp-demo-research .pp-search-toggle svg,
.pp-demo-research .pp-dark-toggle .pp-theme-icon {
  display: block;
  flex-shrink: 0;
}

.pp-demo-research .pp-search-toggle:hover,
.pp-demo-research .pp-dark-toggle:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--pp-accent) 45%, var(--pp-border));
  box-shadow: 0 10px 24px color-mix(in srgb, var(--pp-primary) 12%, transparent);
  color: var(--pp-primary);
  background: var(--pp-surface);
}

.pp-demo-research .pp-lang-switcher {
  display: inline-flex;
  align-items: stretch;
  height: 44px;
  min-height: 44px;
  border-color: color-mix(in srgb, var(--pp-primary) 14%, var(--pp-border));
  background: var(--pp-surface);
  flex-shrink: 0;
  border-radius: 999px;
  overflow: hidden;
}

.pp-demo-research .pp-lang-switcher__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  padding: 0 .65rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1;
  transition: background .24s cubic-bezier(.4, 0, .2, 1), color .24s cubic-bezier(.4, 0, .2, 1);
  border: 0;
  border-radius: 0;
  width: auto;
  height: 44px;
  min-height: 44px;
  flex-shrink: 0;
}

.pp-demo-research .pp-lang-switcher__item:hover {
  color: var(--pp-primary);
  background: color-mix(in srgb, var(--pp-primary) 8%, transparent);
}

.pp-demo-research .pp-lang-switcher__item.is-active {
  background: var(--pp-primary);
  color: #fff;
}

.pp-demo-research .pp-lang-switcher__item.is-active:hover {
  color: #fff;
  background: var(--pp-primary);
}

.pp-demo-research .pp-nav__list a {
  position: relative;
  padding: .35rem 0;
  font-size: .94rem;
  font-weight: 600;
  color: var(--pp-text);
  transition: color var(--pp-transition);
}

.pp-demo-research .pp-nav__list a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -.15rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pp-primary), var(--pp-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--pp-transition);
}

.pp-demo-research .pp-nav__list a:hover {
  color: var(--pp-primary);
}

.pp-demo-research .pp-nav__list a:hover::after {
  transform: scaleX(1);
}

/* Search modal */
.pp-demo-research .pp-search-modal__panel {
  border-radius: 20px;
  box-shadow: var(--pp-shadow-soft);
  animation: pp-flagship-fade-up .28s ease;
}

.pp-demo-research .pp-search-form__input {
  min-height: 52px;
  border-radius: 14px;
  font-size: 1rem;
}

/* Editorial hero */
.pp-demo-research .pp-hero {
  padding: clamp(1.75rem, 4vw, 2.75rem) 0 clamp(1.25rem, 3vw, 2rem);
}

.pp-demo-research .pp-hero--editorial .pp-hero__card {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--pp-primary) 14%, var(--pp-border));
  border-radius: calc(var(--pp-radius-lg) + 6px);
  box-shadow: var(--pp-shadow-soft);
  container-type: inline-size;
  container-name: pp-hero;
}

@media (min-width: 980px) {
  .pp-demo-research .pp-hero--editorial .pp-hero__card {
    grid-template-columns: minmax(0, 1.58fr) minmax(0, 1fr);
    min-height: var(--pp-hero-min-height);
  }
}

.pp-demo-research .pp-hero__media {
  position: relative;
  min-width: 0;
  min-height: 300px;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: calc(var(--pp-radius-lg) + 6px) 0 0 calc(var(--pp-radius-lg) + 6px);
}

@media (max-width: 979px) {
  .pp-demo-research .pp-hero__media {
    border-radius: calc(var(--pp-radius-lg) + 6px) calc(var(--pp-radius-lg) + 6px) 0 0;
  }
}

@media (min-width: 980px) {
  .pp-demo-research .pp-hero__media {
    min-height: 100%;
    aspect-ratio: auto;
  }
}

.pp-demo-research .pp-hero__media img,
.pp-demo-research .pp-hero__fallback-image {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  object-position: center;
  transition: transform .6s cubic-bezier(.4, 0, .2, 1);
}

.pp-demo-research .pp-hero__card:hover .pp-hero__media img {
  transform: scale(1.04);
}

.pp-demo-research .pp-hero__media-overlay {
  background: linear-gradient(180deg, transparent 20%, color-mix(in srgb, var(--pp-dark) 52%, transparent) 100%);
}

.pp-demo-research .pp-hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(0.85rem, 2cqi, 1.15rem);
  min-width: 0;
  padding: clamp(1.85rem, 3.5vw, 3rem);
  background: linear-gradient(180deg, var(--pp-surface) 0%, color-mix(in srgb, var(--pp-primary) 5%, var(--pp-surface)) 100%);
  overflow-wrap: break-word;
  word-break: break-word;
}

.pp-demo-research .pp-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.pp-demo-research .pp-badge {
  padding: .38rem .78rem;
  border-radius: 999px;
  background: var(--pp-primary-soft);
  color: var(--pp-primary);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.pp-demo-research .pp-badge--soft {
  background: var(--pp-accent-soft);
  color: color-mix(in srgb, var(--pp-accent) 80%, var(--pp-dark));
}

.pp-demo-research .pp-hero__title {
  font-size: clamp(1.65rem, 4.5cqi, 2.35rem);
  line-height: 1.12;
  margin: 0;
  overflow-wrap: break-word;
  hyphens: auto;
}

.pp-demo-research .pp-hero__title a {
  display: block;
  color: inherit;
  transition: color var(--pp-transition);
}

.pp-demo-research .pp-hero__title a:hover {
  color: var(--pp-primary);
}

.pp-demo-research .pp-hero__excerpt {
  font-size: clamp(0.98rem, 2.2cqi, 1.08rem);
  line-height: 1.68;
  max-width: 46ch;
  color: var(--pp-text-muted);
}

.pp-demo-research .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem 1rem;
  font-size: .875rem;
  color: var(--pp-text-muted);
}

.pp-demo-research .pp-hero__meta .pp-meta__reading-time {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}

.pp-demo-research .pp-hero__meta .pp-meta__reading-time::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: .45;
}

.pp-demo-research .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: clamp(0.35rem, 1.5cqi, 0.85rem);
  padding-top: .15rem;
}

.pp-demo-research .pp-btn {
  transition: transform var(--pp-transition), box-shadow var(--pp-transition), background var(--pp-transition), border-color var(--pp-transition);
}

.pp-demo-research .pp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--pp-primary) 18%, transparent);
}

/* Homepage sections */
.pp-demo-research .pp-section {
  padding: var(--pp-section-y) 0;
}

.pp-demo-research .pp-hero + .pp-section {
  padding-top: clamp(2rem, 4vw, 2.75rem);
}

.pp-demo-research .pp-section--plain {
  background: transparent;
}

.pp-demo-research .pp-section--surface {
  background: var(--pp-surface-alt);
  border-block: 1px solid color-mix(in srgb, var(--pp-primary) 8%, transparent);
}

.pp-demo-research .pp-section__header {
  margin-bottom: var(--pp-section-header-gap);
  align-items: end;
}

.pp-demo-research .pp-grid {
  gap: var(--pp-grid-gap);
}

@media (min-width: 1024px) {
  .pp-demo-research .pp-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pp-demo-research .pp-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1440px) {
  .pp-demo-research .pp-category-grid.pp-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.pp-demo-research .pp-section__heading {
  display: grid;
  gap: .35rem;
}

.pp-demo-research .pp-section__eyebrow {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--pp-accent);
}

.pp-demo-research .pp-section__title {
  font-size: clamp(1.55rem, 3vw, 2rem);
  margin: 0;
}

.pp-demo-research .pp-section__link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .55rem .9rem;
  border-radius: 999px;
  background: var(--pp-surface);
  border: 1px solid color-mix(in srgb, var(--pp-primary) 12%, var(--pp-border));
  transition: transform var(--pp-transition), border-color var(--pp-transition), color var(--pp-transition);
}

.pp-demo-research .pp-section__link:hover {
  transform: translateX(2px);
  border-color: color-mix(in srgb, var(--pp-accent) 35%, var(--pp-border));
}

/* Premium cards */
.pp-demo-research .pp-card {
  border-radius: var(--pp-radius-lg);
  border: 1px solid color-mix(in srgb, var(--pp-primary) 10%, var(--pp-border));
  box-shadow: var(--pp-shadow-card);
  transition: transform var(--pp-transition), box-shadow var(--pp-transition), border-color var(--pp-transition);
  height: 100%;
}

.pp-demo-research .pp-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--pp-accent) 32%, var(--pp-border));
  box-shadow: 0 18px 44px color-mix(in srgb, var(--pp-dark) 12%, transparent);
}

.pp-demo-research .pp-card__media {
  position: relative;
  overflow: hidden;
  background: color-mix(in srgb, var(--pp-primary) 4%, var(--pp-surface-muted));
}

.pp-demo-research .pp-card__media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform .55s cubic-bezier(.4, 0, .2, 1);
}

.pp-demo-research .pp-card__media--logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  padding: 1.25rem;
  background: color-mix(in srgb, var(--pp-primary) 4%, var(--pp-surface-muted));
}

.pp-demo-research .pp-card__media--logo img {
  aspect-ratio: 1;
  max-height: 88px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  padding: 0;
}

.pp-demo-research .pp-card:hover .pp-card__media img {
  transform: scale(1.05);
}

.pp-demo-research .pp-card__media-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, color-mix(in srgb, var(--pp-dark) 28%, transparent));
  pointer-events: none;
}

.pp-demo-research .pp-card__body {
  padding: clamp(1.35rem, 2vw, 1.55rem);
  gap: .75rem;
}

.pp-demo-research .pp-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem 1rem;
  font-size: .84rem;
  color: var(--pp-text-muted);
}

.pp-demo-research .pp-card__footer .pp-meta__reading-time {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}

.pp-demo-research .pp-card__footer .pp-meta__reading-time::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: .45;
}

.pp-demo-research .pp-card__top {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  min-height: 1.75rem;
  align-items: center;
}

.pp-demo-research .pp-badge--category {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--pp-primary) 18%, transparent);
}

.pp-demo-research .pp-card__title {
  font-size: 1.125rem;
  line-height: 1.38;
  margin: 0;
}

.pp-demo-research .pp-card__excerpt {
  margin: 0;
  font-size: .94rem;
  line-height: 1.62;
  color: var(--pp-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pp-demo-research .pp-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: .65rem;
  border-top: 1px solid color-mix(in srgb, var(--pp-primary) 8%, var(--pp-border));
}

.pp-demo-research .pp-card__read-more {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .84rem;
  font-weight: 700;
  color: var(--pp-primary);
  white-space: nowrap;
  transition: gap var(--pp-transition), color var(--pp-transition);
}

.pp-demo-research .pp-card__read-more:hover {
  gap: .55rem;
  color: var(--pp-accent);
}

/* Category cards */
.pp-demo-research .pp-card--category {
  text-align: center;
  min-height: 100%;
}

.pp-demo-research .pp-card--category .pp-card__body {
  padding: 1.15rem 1rem 1.35rem;
  justify-content: center;
}

.pp-demo-research .pp-card--category .pp-card__title {
  font-size: 1rem;
}

.pp-demo-research .pp-card__media--category img {
  aspect-ratio: 1;
  object-fit: cover;
}

/* Review / score badges */
.pp-demo-research .pp-score-badge {
  border-radius: 999px;
  font-size: .8rem;
  letter-spacing: -.01em;
}

.pp-demo-research .pp-trust-badge {
  border-radius: 999px;
  font-size: .78rem;
}

/* Newsletter / about / sponsor blocks */
.pp-demo-research .pp-newsletter-card,
.pp-demo-research .pp-sponsor-card,
.pp-demo-research .pp-about-card {
  border-radius: calc(var(--pp-radius-lg) + 2px);
  background: linear-gradient(135deg, var(--pp-primary-soft), var(--pp-accent-soft));
  border: 1px solid color-mix(in srgb, var(--pp-primary) 14%, transparent);
  box-shadow: var(--pp-shadow-card);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
}

.pp-demo-research .pp-newsletter-card--media,
.pp-demo-research .pp-about-card--media {
  display: grid;
  gap: clamp(1.25rem, 2.5vw, 2rem);
  align-items: center;
}

@media (min-width: 768px) {
  .pp-demo-research .pp-newsletter-card--media,
  .pp-demo-research .pp-about-card--media {
    grid-template-columns: minmax(220px, 300px) 1fr;
  }
}

.pp-demo-research .pp-newsletter-card__title,
.pp-demo-research .pp-sponsor-card__title,
.pp-demo-research .pp-about-card__title {
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  line-height: 1.2;
  margin: 0 0 .75rem;
}

.pp-demo-research .pp-newsletter-card__text,
.pp-demo-research .pp-about-card__text,
.pp-demo-research .pp-sponsor-card__meta {
  margin: 0;
  max-width: 58ch;
  color: var(--pp-text-muted);
  line-height: 1.65;
}

.pp-demo-research .pp-newsletter .pp-newsletter-form {
  margin-top: 1.35rem;
  max-width: 36rem;
}

.pp-demo-research .pp-sponsor-card__content {
  display: grid;
  gap: .85rem;
}

.pp-demo-research .pp-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-top: 1rem;
  font-weight: 700;
  color: var(--pp-primary);
  transition: gap var(--pp-transition), color var(--pp-transition);
}

.pp-demo-research .pp-link-arrow:hover {
  gap: .55rem;
  color: var(--pp-accent);
}

/* Editorial footer — premium Healthline / Linear / Vercel mix */
.pp-demo-research .pp-footer--editorial {
  margin-top: 0;
  padding: clamp(3.5rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 2.75rem);
  background: linear-gradient(180deg, #0f172a 0%, #111827 52%, #0b1220 100%);
  border-top: none;
}

.pp-demo-research .pp-footer__top {
  display: grid;
  grid-template-columns: minmax(240px, 1.15fr) repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3rem) clamp(2rem, 3vw, 3rem);
  align-items: start;
}

.pp-demo-research .pp-footer__brand,
.pp-demo-research .pp-footer__col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.pp-demo-research .pp-footer__col {
  padding-top: .15rem;
}

.pp-demo-research .pp-logo--footer .pp-logo__svg {
  height: 44px;
  max-width: 200px;
  color: #fff;
}

.pp-demo-research .pp-footer__brand-desc {
  margin: 1rem 0 0;
  font-size: 1rem;
  color: rgba(255, 255, 255, .58);
  max-width: 28ch;
}

.pp-demo-research .pp-footer--editorial .pp-footer__title {
  margin: 0 0 1.35rem;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .52);
}

.pp-demo-research .pp-footer-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.pp-demo-research .pp-footer-menu a {
  display: inline-block;
  font-size: 1rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, .84);
  transition: color var(--pp-transition), transform var(--pp-transition);
}

.pp-demo-research .pp-footer-menu a:hover {
  color: var(--pp-accent);
  transform: translateX(2px);
}

.pp-demo-research .pp-footer--editorial .pp-newsletter-form--compact {
  display: grid;
  gap: .85rem;
  margin-top: 0;
  max-width: 28rem;
}

.pp-demo-research .pp-footer--editorial .pp-newsletter-form--compact input[type="email"] {
  min-height: 52px;
  padding: 0 1.1rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .04);
  color: #fff;
}

.pp-demo-research .pp-footer--editorial .pp-newsletter-form--compact input[type="email"]::placeholder {
  color: rgba(255, 255, 255, .42);
}

.pp-demo-research .pp-footer--editorial .pp-newsletter-form--compact input[type="email"]:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--pp-accent) 55%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--pp-accent) 18%, transparent);
}

.pp-demo-research .pp-footer--editorial .pp-newsletter-form--compact .pp-btn {
  justify-self: start;
  min-height: 46px;
  padding-inline: 1.35rem;
}

.pp-demo-research .pp-footer__divider {
  height: 1px;
  margin: clamp(2.5rem, 5vw, 3.5rem) 0;
  background: rgba(255, 255, 255, .08);
  border: 0;
}

.pp-demo-research .pp-footer__middle {
  display: grid;
  grid-template-columns: minmax(260px, 1.25fr) minmax(220px, 1fr);
  gap: clamp(2rem, 4vw, 3rem) clamp(2rem, 3vw, 3rem);
  align-items: start;
}

.pp-demo-research .pp-footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.pp-demo-research .pp-footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .88);
  background: rgba(255, 255, 255, .03);
  transition:
    transform var(--pp-transition),
    border-color var(--pp-transition),
    color var(--pp-transition),
    background var(--pp-transition),
    box-shadow var(--pp-transition);
}

.pp-demo-research .pp-footer-social-link:hover {
  color: var(--pp-accent);
  border-color: color-mix(in srgb, var(--pp-accent) 55%, transparent);
  background: color-mix(in srgb, var(--pp-accent) 10%, transparent);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
}

.pp-demo-research .pp-footer-social-link__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.pp-demo-research .pp-footer-social-link__icon svg {
  display: block;
}

.pp-demo-research .pp-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.5rem 2rem;
}

.pp-demo-research .pp-footer__copyright-line {
  margin: 0;
  font-size: .9375rem;
  color: rgba(255, 255, 255, .72);
}

.pp-demo-research .pp-footer__copyright-sub {
  margin: .4rem 0 0;
  font-size: .875rem;
  color: rgba(255, 255, 255, .45);
}

.pp-demo-research .pp-footer__legal-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem 1rem;
}

.pp-demo-research .pp-footer__legal-nav a {
  font-size: .9375rem;
  color: rgba(255, 255, 255, .62);
  transition: color var(--pp-transition);
}

.pp-demo-research .pp-footer__legal-nav a:hover {
  color: var(--pp-accent);
}

.pp-demo-research .pp-footer__legal-sep {
  color: rgba(255, 255, 255, .22);
  user-select: none;
}

.pp-demo-research .pp-sticky-share.is-footer-overlap {
  opacity: 0;
  transform: translateX(12px);
  pointer-events: none;
}

.pp-demo-research .pp-sticky-share a,
.pp-demo-research .pp-sticky-share button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pp-demo-research .pp-sticky-share .pp-icon {
  display: block;
}

/* Animations */
@keyframes pp-flagship-fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.pp-demo-research .pp-hero__card,
.pp-demo-research .pp-card {
  animation: pp-flagship-fade-up .45s ease both;
}

@media (max-width: 980px) {
  .pp-demo-research .pp-footer__top {
    grid-template-columns: 1fr 1fr;
  }

  .pp-demo-research .pp-footer__brand {
    grid-column: 1 / -1;
  }

  .pp-demo-research .pp-footer__middle {
    grid-template-columns: 1fr;
  }

  .pp-demo-research .pp-hero--editorial .pp-hero__card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .pp-demo-research .pp-footer__top {
    grid-template-columns: 1fr;
  }

  .pp-demo-research .pp-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .pp-demo-research .pp-footer--editorial .pp-newsletter-form--compact,
  .pp-demo-research .pp-footer--editorial .pp-newsletter-form--compact .pp-btn {
    width: 100%;
  }

  .pp-demo-research .pp-card__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .pp-demo-research .pp-header__inner {
    min-height: 72px;
    gap: .75rem 1rem;
  }

  .pp-demo-research .pp-hero__title {
    font-size: clamp(1.85rem, 8vw, 2.4rem);
  }

  .pp-demo-research .pp-logo__svg {
    height: 42px;
    max-width: 190px;
  }
}

@media (max-width: 390px) {
  .pp-demo-research .pp-hero__actions .pp-btn {
    width: 100%;
  }

  .pp-demo-research {
    --pp-container-padding: 0.625rem;
  }
}

@media (max-width: 899px) {
  .pp-demo-research .pp-search-toggle,
  .pp-demo-research .pp-dark-toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
  }

  .pp-demo-research .pp-lang-switcher,
  .pp-demo-research .pp-lang-switcher__item {
    height: 44px;
    min-height: 44px;
  }
}

@media (max-width: 320px) {
  .pp-demo-research .pp-header__actions {
    gap: .35rem;
  }

  .pp-demo-research .pp-search-toggle,
  .pp-demo-research .pp-dark-toggle {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
  }

  .pp-demo-research .pp-lang-switcher,
  .pp-demo-research .pp-lang-switcher__item {
    height: 40px;
    min-height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pp-demo-research .pp-card,
  .pp-demo-research .pp-hero__card,
  .pp-demo-research .pp-search-modal__panel {
    animation: none;
  }
}