/* ========== NAVIGATION ========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.06);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav--scrolled {
  box-shadow: var(--shadow-sm);
}
.nav__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.nav__logo {
  display: flex;
  align-items: center;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.nav__logo svg {
  display: block;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.nav__link:hover {
  color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.06);
}
.nav__link--active {
  color: var(--color-primary);
}
.nav__controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav__lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  transition: border-color var(--transition-interactive);
}
.nav__lang-toggle:hover {
  border-color: var(--color-primary);
}
.lang-divider {
  color: var(--color-text-faint);
}
.lang-label--inactive {
  color: var(--color-text-faint);
}
.nav__theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.nav__theme-toggle:hover {
  color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.06);
}
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border-radius: var(--radius-md);
}
.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
}
.nav__hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    gap: var(--space-1);
  }
  .nav__links.open {
    display: flex;
  }
  .nav__link {
    width: 100%;
    padding: var(--space-3) var(--space-4);
  }
  .nav__hamburger {
    display: flex;
  }
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: var(--space-16) var(--space-4) var(--space-12);
  overflow: hidden;
}
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(from var(--color-primary) l c h / 0.04) 1px, transparent 1px),
    linear-gradient(90deg, oklch(from var(--color-primary) l c h / 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 80%);
}
.hero__content {
  max-width: var(--content-wide);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  font-weight: 500;
}
.hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero__name {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: 1.05;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.hero__tagline {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 600px;
}
.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scroll-hint 2s ease-in-out infinite;
}
@keyframes scroll-hint {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              border-color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}
.btn-secondary {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-secondary:active {
  background: var(--color-primary-highlight);
}

/* ========== SECTIONS ========== */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-4);
}
.section--alt {
  background: var(--color-surface);
}
.section__container {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.section__container--narrow {
  max-width: var(--content-default);
}
.section__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--space-8);
  max-width: 20ch;
}

/* ========== ABOUT ========== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}
@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-12);
  }
}
.about__prose p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.about__prose p:last-child {
  margin-bottom: 0;
}
.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-content: start;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.stat-card__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}
.stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.gold-text {
  color: var(--color-gold) !important;
}

/* ========== TIMELINE ========== */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}
.timeline__line {
  position: absolute;
  left: 3px;
  top: var(--space-2);
  bottom: var(--space-2);
  width: 1px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-gold), transparent);
}
.timeline__item {
  position: relative;
  padding-bottom: var(--space-10);
}
.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) + -1px);
  top: var(--space-2);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  z-index: 1;
}
.section--alt .timeline__item::before {
  border-color: var(--color-surface);
}
.timeline__item:last-child {
  padding-bottom: 0;
}
.timeline__date {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}
.timeline__card {
  background: var(--color-surface-offset);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.section--alt .timeline__card {
  background: var(--color-bg);
}
.timeline__role {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.timeline__company {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.timeline__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 480px) {
  .timeline {
    padding-left: var(--space-6);
  }
  .timeline__item::before {
    left: calc(-1 * var(--space-6) + -1px);
  }
}

/* ========== EXPERTISE ========== */
.expertise__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
}
.expertise__card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.expertise__icon {
  margin-bottom: var(--space-4);
}
.expertise__card h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.expertise__card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ========== INSIGHTS ========== */
.insights__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-6);
}
.insight__card {
  background: var(--color-bg);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.insight__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.insight__card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  line-height: 1.2;
}
.insight__card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ========== MB SECTION ========== */
.mb__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}
@media (min-width: 768px) {
  .mb__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
  }
}
.mb__desc {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.mb__links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.mb__stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.mb__stat {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}
.mb__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}
.mb__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ========== CONNECT ========== */
.connect__desc {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  max-width: 50ch;
}
.connect__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: var(--space-4);
}
.connect__card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-bg);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}
.connect__card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.connect__card:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}
.connect__card svg {
  flex-shrink: 0;
  color: var(--color-primary);
}
.connect__card-title {
  font-weight: 600;
  font-size: var(--text-sm);
}
.connect__card-handle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ========== FOOTER ========== */
.footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8) var(--space-4);
}
.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.footer__social {
  display: flex;
  gap: var(--space-3);
}
.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.footer__social a:hover {
  color: var(--color-primary);
  background: oklch(from var(--color-text) l c h / 0.06);
}
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.footer__bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.footer__pplx {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__pplx:hover {
  color: var(--color-text-muted);
}

/* ========== SCROLL ANIMATIONS ========== */
.fade-in {
  opacity: 1;
}

/* CSS-native scroll animation for supported browsers */
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* JS fallback for browsers without scroll-driven animation */
.fade-in--js {
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in--js.fade-in--visible {
  opacity: 1;
}

/* ========== HARVARD CALLOUT ========== */
.harvard-callout {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding: var(--space-6) var(--space-8);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-gold) l c h / 0.25);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius-lg);
}
.harvard-callout__icon {
  flex-shrink: 0;
  padding-top: var(--space-1);
}
.harvard-callout__content {
  flex: 1;
  min-width: 0;
}
.harvard-callout__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}
.harvard-callout__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.harvard-callout__link {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.harvard-callout__link:hover {
  color: var(--color-gold-hover);
}

/* ========== METALION INNOVATION ========== */
.metalion__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  margin-bottom: var(--space-2);
}
.metalion__header .section__label {
  margin-bottom: var(--space-2);
}
.metalion__header .section__title {
  margin-bottom: 0;
}
.metalion__logo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  border: 2px solid oklch(from var(--color-gold) l c h / 0.3);
  flex-shrink: 0;
}
.metalion__intro {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 70ch;
  margin-top: var(--space-6);
  margin-bottom: var(--space-10);
}
.metalion__subsection {
  margin-bottom: var(--space-10);
}
.metalion__subsection:last-child {
  margin-bottom: 0;
}
.metalion__subtitle {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-5);
  color: var(--color-text);
}

/* Partner Pills */
.metalion__partners {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.partner-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-bg);
  cursor: pointer;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.partner-pill:hover {
  border-color: var(--color-gold);
  box-shadow: 0 2px 8px oklch(from var(--color-gold) l c h / 0.15);
  transform: translateY(-1px);
}
.partner-pill--gold {
  border-color: oklch(from var(--color-gold) l c h / 0.3);
}
.partner-pill__tag {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-faint);
}
.partner-pill__status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: var(--space-1);
}

/* Portfolio Grid */
.metalion__portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(200px, 100%), 1fr));
  gap: var(--space-3);
}
.portfolio-card {
  background: var(--color-bg);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.portfolio-card:hover {
  border-color: oklch(from var(--color-primary) l c h / 0.4);
  box-shadow: 0 2px 8px oklch(from var(--color-primary) l c h / 0.1);
  transform: translateY(-2px);
}
.portfolio-card--fintech {
  border-color: oklch(from var(--color-primary) l c h / 0.15);
}
.portfolio-card:not(.portfolio-card--fintech):hover {
  border-color: oklch(from var(--color-gold) l c h / 0.4);
  box-shadow: 0 2px 8px oklch(from var(--color-gold) l c h / 0.1);
}
.portfolio-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}
.portfolio-card__icon {
  display: flex;
  align-items: center;
}
.portfolio-card__status-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
}
.portfolio-card__favicon {
  width: 16px;
  height: 16px;
  border-radius: 2px;
}
.portfolio-card__initial {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.portfolio-card:not(.portfolio-card--fintech) .portfolio-card__initial {
  background: var(--color-gold-highlight);
  color: var(--color-gold);
}
.portfolio-card__name {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.portfolio-card__sector {
  display: inline-block;
  font-size: var(--text-xs);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.portfolio-card:not(.portfolio-card--fintech) .portfolio-card__sector {
  color: var(--color-gold);
  background: var(--color-gold-highlight);
}

/* Status indicators */
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-faint);
  flex-shrink: 0;
}
.status-dot.status--active { background: var(--color-success); }
.status-dot.status--acquired { background: var(--color-primary); }
.status-dot.status--shutdown { background: var(--color-error); }
.status-dot.status--unknown { background: var(--color-text-faint); }
.status-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-faint);
}
.status-label.status--active { color: var(--color-success); }
.status-label.status--acquired { color: var(--color-primary); }
.status-label.status--shutdown { color: var(--color-error); }

/* Innovation Hubs */
.metalion__hubs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.hub-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.2);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: none;
  transition: background var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
}
.hub-link:hover {
  background: var(--color-primary-highlight);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}
.hub-link__status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.hub-link .portfolio-card__favicon {
  width: 14px;
  height: 14px;
}
.hub-link .portfolio-card__initial {
  width: 16px;
  height: 16px;
  font-size: 9px;
}

/* ========== PORTFOLIO MODAL ========== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: oklch(0 0 0 / 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.modal-backdrop--open {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 520px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(16px) scale(0.97);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-lg);
}
.modal-backdrop--open .modal {
  transform: translateY(0) scale(1);
}
.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.modal__close:hover {
  color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.08);
}
.modal__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.modal__avatar {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal__avatar img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background: var(--color-bg);
}
.modal__avatar-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-size: var(--text-xl);
  font-weight: 700;
  font-family: var(--font-display);
}
.modal__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
}
.modal__sector {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.modal__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.modal__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.modal__status.status--active {
  background: var(--color-success-highlight);
  color: var(--color-success);
}
.modal__status.status--acquired {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
.modal__status.status--shutdown {
  background: var(--color-error-highlight);
  color: var(--color-error);
}
.modal__status.status--unknown {
  background: oklch(from var(--color-text) l c h / 0.06);
  color: var(--color-text-faint);
}
.modal__status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.modal__year {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.modal__body {
  margin-bottom: var(--space-5);
}
.modal__summary {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}
.modal__status-detail {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-style: italic;
  line-height: 1.6;
}
.modal__link {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.modal__link:hover {
  color: var(--color-primary-hover);
}

/* ========== MOBILE ADJUSTMENTS ========== */
@media (max-width: 480px) {
  .hero__name {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }
  .hero__tagline {
    font-size: var(--text-lg);
  }
  .hero__actions {
    flex-direction: column;
  }
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
  .section__title {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
  }
  .about__stats {
    grid-template-columns: 1fr;
  }
  .mb__stats-grid {
    grid-template-columns: 1fr;
  }
  .harvard-callout {
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
  }
  .metalion__header {
    flex-direction: column;
    gap: var(--space-3);
  }
  .metalion__logo {
    width: 60px;
    height: 60px;
  }
  .metalion__portfolio-grid {
    grid-template-columns: 1fr;
  }
  .metalion__partners {
    flex-direction: column;
  }
  .partner-pill {
    justify-content: center;
  }
  .metalion__hubs {
    flex-direction: column;
  }
  .hub-link {
    justify-content: center;
  }
  .modal {
    padding: var(--space-5);
    margin: var(--space-2);
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 90dvh;
    padding-top: var(--space-20);
  }
  .harvard-callout {
    padding: var(--space-5) var(--space-6);
  }
  .metalion__portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(min(160px, 100%), 1fr));
  }
}