:root {
  --color-primary: #9a1f40;
  --color-secondary: #143642;
  --color-accent: #f5d547;
  --color-background: #ffffff;
  --color-muted: #f4f4f6;
  --color-text: #1e1e24;
  --color-text-light: #f9fafc;
  --max-width: 1120px;
  --shadow-soft: 0 12px 34px rgba(20, 54, 66, 0.16);
  --transition-base: 0.3s ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Montserrat", sans-serif;
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.no-js {
  margin: 0;
  padding: 1rem 1.5rem;
  background: var(--color-secondary);
  color: var(--color-text-light);
  text-align: center;
}

.site-header {
  position: relative;
  padding: clamp(0.65rem, 0.9vw + 0.4rem, 1rem) 1.25rem;
  background: var(--color-background);
  color: var(--color-secondary);
  border-bottom: 1px solid rgba(20, 54, 66, 0.08);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: nowrap;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  flex: 1 1 auto;
}

.site-header__logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--color-primary);
  color: var(--color-text-light);
  display: grid;
  place-items: center;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  box-shadow: 0 8px 18px rgba(154, 31, 64, 0.16);
}

.site-header__identity {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  min-width: 0;
  max-width: 100%;
  flex: 1 1 auto;
}

.site-header__title {
  margin: 0;
  font-size: clamp(0.82rem, 0.42vw + 0.72rem, 0.96rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.1;
  white-space: normal;
}

.site-header__tagline {
  margin: 0;
  font-size: 0.76rem;
  color: rgba(20, 54, 66, 0.65);
  line-height: 1.2;
  white-space: normal;
}

.site-header__controls {
  margin-left: auto;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.65rem;
  flex: 0 1 420px;
}

.site-header__nav ul {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.site-header__nav a {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-secondary);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: color var(--transition-base), border-color var(--transition-base),
    background var(--transition-base);
}

.site-header__nav a:hover,
.site-header__nav a:focus {
  color: var(--color-primary);
  border-color: rgba(154, 31, 64, 0.22);
  background: rgba(154, 31, 64, 0.08);
}

.language-toggle {
  display: inline-flex;
  border-radius: 999px;
  border: 1px solid rgba(20, 54, 66, 0.15);
  overflow: hidden;
  background: rgba(20, 54, 66, 0.04);
}

.language-toggle__button {
  background: transparent;
  color: var(--color-secondary);
  border: none;
  padding: 0.28rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: background var(--transition-base), color var(--transition-base);
  width: 60px;
  text-align: center;
  line-height: 1.2;
  flex: 0 0 auto;
}

.language-toggle__button.is-active {
  background: var(--color-secondary);
  color: var(--color-text-light);
}

main {
  background: var(--color-background);
}

.section {
  padding: 5rem 1.5rem;
}

.section--light {
  background: var(--color-muted);
}

.section__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section h2 {
  font-size: clamp(1.8rem, 1.8vw + 1.1rem, 2.7rem);
  margin-bottom: 1.2rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.section p {
  margin-top: 0;
  font-size: 1rem;
}

.section__highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.highlight {
  background: var(--color-background);
  padding: 1.8rem;
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
}

.highlight h3 {
  margin-top: 0;
  color: var(--color-primary);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--executive {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 2.5rem;
}

.section__container--executive {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 3vw, 2.75rem);
}

.executive-intro {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 760px;
}

.executive-intro h2 {
  margin-bottom: 0.15rem;
}

.executive-intro p {
  margin: 0;
  color: rgba(30, 30, 36, 0.72);
}

.executive-gallery {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.executive-gallery__stage {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(0.75rem, 1.6vw, 1.2rem);
}

.executive-gallery__viewport {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  border-radius: 24px;
  background: var(--color-background);
  box-shadow: var(--shadow-soft);
  --executive-gallery-padding: clamp(1.1rem, 1.8vw, 1.6rem);
  padding: var(--executive-gallery-padding);
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, clamp(240px, 22vw, 280px));
  gap: clamp(0.9rem, 1.4vw, 1.35rem);
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--executive-gallery-padding);
  scrollbar-width: none;
}

.executive-gallery__viewport:focus {
  outline: 3px solid rgba(154, 31, 64, 0.2);
  outline-offset: 4px;
}

.executive-gallery__viewport::-webkit-scrollbar {
  display: none;
}

.executive-card {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  background: #ffffff;
  border-radius: 20px;
  padding: clamp(1.2rem, 1.7vw, 1.7rem);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  min-height: 100%;
}

.executive-card__image {
  width: 100%;
  border-radius: 16px;
  margin: 0;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.executive-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.executive-card__meta h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--color-secondary);
}

.executive-card__role {
  margin: 0;
  font-weight: 700;
  color: var(--color-primary);
}

.executive-card__bio {
  margin: 0;
  color: rgba(30, 30, 36, 0.7);
}

.executive-gallery__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(20, 54, 66, 0.16);
  background: rgba(20, 54, 66, 0.04);
  color: var(--color-secondary);
  font-size: 1.3rem;
  font-weight: 600;
  transition: background var(--transition-base), color var(--transition-base),
    border-color var(--transition-base);
}

.executive-gallery__arrow:hover,
.executive-gallery__arrow:focus {
  background: rgba(154, 31, 64, 0.08);
  border-color: rgba(154, 31, 64, 0.18);
  color: var(--color-primary);
}

.executive-gallery__arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  background: rgba(20, 54, 66, 0.04);
}

.executive-gallery__status {
  align-self: center;
  font-weight: 600;
  color: rgba(20, 54, 66, 0.7);
  text-align: center;
}

.executive-gallery__hint {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(30, 30, 36, 0.65);
  text-align: center;
}

.card {
  background: var(--color-background);
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover,
.card:focus-within {
  transform: translateY(-8px);
  box-shadow: 0 16px 42px rgba(20, 54, 66, 0.22);
}

.card__image {
  width: 100%;
  border-radius: 14px;
  margin-bottom: 1.25rem;
}

.card__role {
  color: var(--color-secondary);
  font-weight: 600;
}

.grid--projects {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 2.8rem;
}

.card--project {
  border-top: 6px solid var(--color-primary);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-card__cta {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: none;
  font-weight: 600;
  background: var(--color-secondary);
  color: var(--color-text-light);
  cursor: pointer;
  transition: transform var(--transition-base),
    background var(--transition-base);
}

.project-card__cta::after {
  content: "↗";
  font-size: 0.9rem;
}

.project-card__cta:hover,
.project-card__cta:focus {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.timeline {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

.event-dropbar {
  background: var(--color-background);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform var(--transition-base),
    box-shadow var(--transition-base);
}

.event-dropbar.is-open {
  transform: translateY(-4px);
  box-shadow: 0 18px 46px rgba(20, 54, 66, 0.2);
}

.event-dropbar__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.6rem;
  background: transparent;
  border: none;
  font: inherit;
  cursor: pointer;
  text-align: left;
  color: var(--color-secondary);
  font-weight: 700;
  font-size: 1.15rem;
}

.event-dropbar__icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.9rem;
  transition: transform var(--transition-base),
    background var(--transition-base), color var(--transition-base);
}

.event-dropbar.is-open .event-dropbar__icon {
  transform: rotate(180deg);
  background: var(--color-primary);
  color: var(--color-text-light);
}

.event-dropbar__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-base);
}

.event-dropbar.is-open .event-dropbar__panel {
  grid-template-rows: 1fr;
}

.event-dropbar__content {
  overflow: hidden;
}

.timeline__events {
  display: grid;
  gap: 1.5rem;
  padding: 0 1.6rem 1.8rem;
}

.event-card {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  background: var(--color-muted);
  border-radius: 16px;
  padding: 1.4rem;
}

.event-card__content h3 {
  margin-top: 0;
  color: var(--color-secondary);
}

.event-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-primary);
  font-weight: 600;
}

.event-card__link::after {
  content: "↗";
  font-size: 0.9rem;
  transition: transform var(--transition-base);
}

.event-card__link:hover::after,
.event-card__link:focus::after {
  transform: translate(3px, -3px);
}

.site-footer {
  padding: 2.25rem 1.5rem;
  background: var(--color-background);
  color: var(--color-secondary);
  border-top: 1px solid rgba(20, 54, 66, 0.08);
}

.site-footer__container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer__info {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.site-footer__mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--color-secondary);
  color: var(--color-text-light);
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 0.62rem;
  text-transform: uppercase;
}

.site-footer__details {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.site-footer__legal {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.site-footer__tagline {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(20, 54, 66, 0.65);
}

.site-footer__back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(20, 54, 66, 0.16);
  background: rgba(20, 54, 66, 0.04);
  color: var(--color-secondary);
  font-weight: 600;
  transition: background var(--transition-base),
    border-color var(--transition-base), color var(--transition-base);
}

.site-footer__back:hover,
.site-footer__back:focus {
  background: rgba(154, 31, 64, 0.08);
  border-color: rgba(154, 31, 64, 0.18);
  color: var(--color-primary);
}

.site-footer__back-icon {
  font-size: 1rem;
  line-height: 1;
}

@media (max-width: 1024px) {
  .site-header__inner {
    flex-wrap: wrap;
    row-gap: 0.9rem;
  }

  .site-header__title {
    white-space: normal;
  }

  .site-header__tagline {
    white-space: normal;
    overflow: visible;
    text-overflow: initial;
  }

  .site-header__controls {
    margin-left: 0;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .site-header__nav ul {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 960px) {
  .section__container--executive {
    gap: 2.25rem;
  }

  .executive-intro {
    max-width: 100%;
  }
}

@media (max-width: 920px) {
  .event-card {
    grid-template-columns: 1fr;
  }

  .event-card img {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 1.05rem 1rem;
  }

  .site-header__inner {
    gap: 1rem;
  }

  .site-header__controls {
    width: 100%;
    gap: 0.7rem;
  }

  .site-header__nav ul {
    gap: 0.7rem;
    flex-wrap: wrap;
  }

  .site-header__nav a {
    flex: 1 1 calc(50% - 0.7rem);
    justify-content: center;
  }

  .language-toggle {
    width: 100%;
  }

  .language-toggle__button {
    flex: 1;
    padding: 0.45rem 0;
    min-width: unset;
    text-align: center;
  }

  .section__container--executive {
    gap: 1.9rem;
  }

  .executive-gallery__stage {
    gap: 0.8rem;
  }

  .executive-gallery__viewport {
    grid-auto-columns: minmax(220px, 75%);
    --executive-gallery-padding: 1rem;
    padding: var(--executive-gallery-padding);
  }

  .executive-card {
    padding: 1.1rem;
  }

  .executive-gallery__arrow {
    width: 40px;
    height: 40px;
    font-size: 1.05rem;
  }

  .site-footer__container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.4rem;
  }

  .site-footer__back {
    align-self: stretch;
    justify-content: center;
  }

  .event-dropbar__toggle {
    font-size: 1.05rem;
    padding: 1.1rem 1.3rem;
  }

  .timeline__events {
    padding: 0 1.3rem 1.4rem;
  }
}

@media (max-width: 480px) {
  .site-header__brand {
    width: 100%;
  }

  .site-header__tagline {
    font-size: 0.85rem;
    white-space: normal;
    overflow: visible;
    text-overflow: initial;
  }

  .site-header__nav a {
    flex-basis: 100%;
  }

  .executive-intro {
    gap: 0.6rem;
  }

  .executive-gallery__viewport {
    grid-auto-columns: minmax(240px, 85%);
  }

  .site-footer__info {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}