/* ============================================
   DESIGN TOKENS — Dr. Anil Singh, Liver Intensivist
   ============================================ */

:root,
[data-theme='light'] {
  --color-bg: #f5f8f9;
  --color-surface: #ffffff;
  --color-surface-2: #fbfdfd;
  --color-surface-offset: #eef3f4;
  --color-surface-offset-2: #e5edee;
  --color-divider: #dfe6e8;
  --color-border: #d3dde0;

  --color-text: #172428;
  --color-text-muted: #57696e;
  --color-text-faint: #93a3a7;
  --color-text-inverse: #f4f9fa;

  --color-primary: #0b5f6c;
  --color-primary-hover: #0a4f5a;
  --color-primary-active: #083f48;
  --color-primary-highlight: #d3e6e7;

  --color-warm: #b1791f;
  --color-warm-hover: #93631a;
  --color-warm-highlight: #ecdec2;

  --color-success: #3f7a44;
  --color-success-highlight: #d8e6d9;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(11, 30, 33, 0.06);
  --shadow-md: 0 6px 16px rgba(11, 30, 33, 0.08);
  --shadow-lg: 0 16px 40px rgba(11, 30, 33, 0.16);

  --content-wide: 1180px;

  --font-display: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Public Sans', 'Segoe UI', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #0d1518;
  --color-surface: #121b1e;
  --color-surface-2: #162124;
  --color-surface-offset: #172326;
  --color-surface-offset-2: #1c2b2e;
  --color-divider: #223032;
  --color-border: #2b3b3e;

  --color-text: #dbe6e8;
  --color-text-muted: #8ba0a4;
  --color-text-faint: #56676a;
  --color-text-inverse: #10191b;

  --color-primary: #57b7c2;
  --color-primary-hover: #7bc9d2;
  --color-primary-active: #94d3da;
  --color-primary-highlight: #1e3a3c;

  --color-warm: #d9a247;
  --color-warm-hover: #e3b566;
  --color-warm-highlight: #3a301c;

  --color-success: #7fbb85;
  --color-success-highlight: #223522;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);

  --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;
  --space-32: 8rem;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 42ch;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* ============================================
   HEADER
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 248, 249, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    background 0.35s;
}
[data-theme='dark'] .header {
  background: rgba(13, 21, 24, 0.88);
}
.header--hidden {
  transform: translateY(-100%);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  min-width: 0;
}
.brand__mark {
  width: 38px;
  height: 38px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand__name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}
.brand__suffix {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-desktop a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
}
.nav-desktop a:hover,
.nav-desktop a:focus-visible {
  color: var(--color-primary);
}
.nav-desktop .nav-cta {
  color: var(--color-primary);
  font-weight: 600;
}

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

.icon-btn {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.icon-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.icon-btn svg {
  width: 18px;
  height: 18px;
}

.nav-toggle {
  display: none;
}

@media (max-width: 860px) {
  .nav-desktop {
    display: none;
  }
  .nav-toggle {
    display: grid;
  }
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: 0 clamp(var(--space-5), 4vw, var(--space-10)) var(--space-5);
}
.mobile-menu.is-open {
  display: flex;
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-4);
}
.mobile-menu a {
  padding: var(--space-3) var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-base);
  border-radius: var(--radius-sm);
}
.mobile-menu a:hover {
  background: var(--color-surface-offset);
  color: var(--color-primary);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(var(--space-16), 10vw, var(--space-24));
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-20));
}
.hero__bg {
  position: absolute;
  inset: -20% -10% auto auto;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, var(--color-primary-highlight), transparent 70%);
  opacity: 0.7;
  z-index: 0;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .hero__portrait {
    order: -1;
    max-width: 320px;
    margin-inline: auto;
  }
}

.br-desktop {
  display: block;
  content: '';
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.hero__role {
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  font-weight: 500;
  line-height: 1.4;
}
.hero__desc {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 52ch;
  margin-bottom: var(--space-8);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.hero__linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
}
.hero__linkedin:hover {
  color: var(--color-primary);
}

.hero__portrait {
  position: relative;
}
.hero__portrait-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  aspect-ratio: 4/5;
}
.hero__portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__badge {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
  right: var(--space-5);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
[data-theme='dark'] .hero__badge {
  background: rgba(18, 27, 30, 0.88);
}
.hero__badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
}
.hero__badge span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================
   STATS STRIP
   ============================================ */

.stats {
  padding-block: var(--space-10);
  border-block: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: center;
}
@media (max-width: 720px) {
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
}
.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================
   ABOUT
   ============================================ */

.about__inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  align-items: start;
}
@media (max-width: 860px) {
  .about__inner {
    grid-template-columns: 1fr;
  }
}
.about__portrait {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: calc(var(--space-24) + 60px);
}
.about__portrait img {
  width: 100%;
  object-fit: cover;
}
@media (max-width: 860px) {
  .about__portrait {
    position: static;
    max-width: 320px;
    margin-inline: auto;
  }
}
.about__copy p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  font-size: var(--text-base);
}
.about__facts {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-2);
  list-style: none;
  font-size: var(--text-sm);
}
.about__facts li {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.about__facts strong {
  color: var(--color-text);
  margin-right: var(--space-2);
}

/* ============================================
   QUALIFICATIONS
   ============================================ */

.quals__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
@media (max-width: 900px) {
  .quals__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .quals__grid {
    grid-template-columns: 1fr;
  }
}
.qual-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.qual-card__abbr {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.qual-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   EXPERTISE — cards
   ============================================ */

.expertise__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 900px) {
  .expertise__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .expertise__grid {
    grid-template-columns: 1fr;
  }
}
.expertise-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.expertise-card__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.expertise-card__icon svg {
  width: 22px;
  height: 22px;
}
.expertise-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.expertise-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   TIMELINE
   ============================================ */

.timeline {
  position: relative;
  padding-left: var(--space-8);
  border-left: 2px solid var(--color-divider);
  display: grid;
  gap: var(--space-8);
  list-style: none;
}
.timeline__item {
  position: relative;
}
.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) - 6px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-primary);
}
.timeline__item:first-child::before {
  background: var(--color-warm);
  box-shadow: 0 0 0 2px var(--color-warm);
}
.timeline__date {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}
.timeline__item:first-child .timeline__date {
  color: var(--color-warm);
}
.timeline__item h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.timeline__item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.timeline__note {
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 68ch;
}

/* ============================================
   MEDIA — video + list
   ============================================ */

.media__grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: var(--space-6);
  align-items: start;
}
@media (max-width: 860px) {
  .media__grid {
    grid-template-columns: 1fr;
  }
}
.video-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--color-text);
}
.video-card__thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-card__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.video-card__play svg {
  width: 56px;
  height: 56px;
  padding: 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.video-card__body {
  padding: var(--space-5) var(--space-6);
}
.video-card__body h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.video-card__body p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.video-card__cta {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
}

.media-list {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  height: 100%;
}
.media-list h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.media-list ul {
  list-style: none;
  display: grid;
  gap: var(--space-4);
}
.media-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.media-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.media-list__org {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.media-list__link {
  color: var(--color-primary);
  text-decoration: none;
}
.media-list__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================
   PROFILES — LinkedIn / ORCID / CV
   ============================================ */

.profiles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 860px) {
  .profiles__grid {
    grid-template-columns: 1fr;
  }
}
.profile-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  position: relative;
}
.profile-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.profile-card__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.profile-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}
.profile-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex-grow: 1;
}
.profile-card__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}
.profile-card--pending {
  opacity: 0.9;
}
.pending-badge {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-warm);
  background: var(--color-warm-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ============================================
   CONTACT
   ============================================ */

.contact-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.contact__copy p {
  color: var(--color-text-muted);
  max-width: 68ch;
  margin-bottom: var(--space-8);
}
.contact__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
@media (max-width: 720px) {
  .contact__cards {
    grid-template-columns: 1fr;
  }
}
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  text-decoration: none;
  color: var(--color-text);
}
.contact-card:hover {
  border-color: var(--color-primary);
}
.contact-card--static:hover {
  border-color: var(--color-border);
}
.contact-card__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
.contact-card__label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: 2px;
}
.contact-card__value {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  word-break: break-word;
}
.contact__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-4);
  max-width: 68ch;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding-block: var(--space-10);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
}
.footer__brand span:last-child {
  color: var(--color-text);
}
.footer__note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 60ch;
}
.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================
   SCROLL REVEAL
   ============================================ */

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   FAQ
   ============================================ */

.faq-section {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 760px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.faq-item[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-highlight);
}

.faq-item summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  flex-shrink: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-primary);
  transition: transform var(--transition-interactive);
}

.faq-item[open] summary::after {
  content: '\2212';
}

.faq-item p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  line-height: 1.6;
}