:root {
  --color-primary: #0b6eaa;
  --color-primary-dark: #085a8c;
  --color-primary-light: #e8f4fc;
  --color-accent: #00a896;
  --color-text: #2d3748;
  --color-text-muted: #64748b;
  --color-heading: #0f172a;
  --color-border: #e2e8f0;
  --color-surface: #ffffff;
  --color-bg: #f1f5f9;
  --color-nav: #0f172a;
  --color-nav-hover: #1e293b;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover, a:focus {
  color: var(--color-primary-dark);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--color-nav);
  color: #fff;
  border-radius: var(--radius-sm);
}

.skip-link:focus { top: 1rem; }

.container {
  width: min(1140px, 100% - 2.5rem);
  margin-inline: auto;
}

/* ── Header (compact unified bar) ── */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 52px;
  padding: 0.3rem 0;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
  text-decoration: none;
}

.site-header__brand:hover { text-decoration: none; }

.site-header__logo {
  height: 36px;
  width: auto;
  max-width: 100px;
  object-fit: contain;
}

.site-header__name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}

.site-header__brand:hover .site-header__name {
  color: var(--color-primary);
}

/* ── Navigation ── */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  position: relative;
  flex: 1;
  min-width: 0;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-heading);
  padding: 0.4rem 0.55rem;
  cursor: pointer;
  flex-shrink: 0;
}

.menu-toggle svg {
  width: 1.125rem;
  height: 1.125rem;
  fill: currentColor;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.1rem;
}

.nav-list > li { position: relative; }

.nav-list > li > a {
  display: block;
  padding: 0.4rem 0.65rem;
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.8125rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

.nav-list > li > a:hover,
.nav-list > li > a:focus {
  color: var(--color-primary);
  background: var(--color-primary-light);
  text-decoration: none;
}

.nav-list > li.is-active > a {
  color: var(--color-primary);
  background: var(--color-primary-light);
  font-weight: 600;
  text-decoration: none;
}

.nav-list .submenu {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0.35rem 0;
  min-width: 210px;
  background: var(--color-surface);
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 10;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.nav-list .has-submenu:hover > .submenu,
.nav-list .has-submenu:focus-within > .submenu,
.nav-list .has-submenu.is-open > .submenu {
  display: block;
}

.nav-list .submenu a {
  display: block;
  padding: 0.45rem 0.85rem;
  color: var(--color-text);
  font-size: 0.8125rem;
  text-decoration: none;
}

.nav-list .submenu a:hover,
.nav-list .submenu a:focus {
  background: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}

/* ── Main ── */
main { padding: 2.5rem 0 3rem; }

.page-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  overflow: hidden;
}

.page-card--inner .page-title {
  margin: calc(-1 * clamp(1.5rem, 4vw, 2.75rem));
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
  padding: clamp(2rem, 5vw, 3rem) clamp(1.5rem, 4vw, 2.75rem);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 55%, #0a4d75 100%);
  color: #fff;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  position: relative;
}

.page-card--inner .page-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: clamp(1.5rem, 4vw, 2.75rem);
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
}

.page-title {
  margin: 0 0 1.5rem;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.02em;
}

.section-title {
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: var(--color-heading);
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin: 0 0 2rem;
  font-size: 0.975rem;
  max-width: 52ch;
  margin-inline: auto;
}

/* ── Hero (homepage) ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  background: linear-gradient(135deg, #fff 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 168, 150, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.3rem 0.85rem;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid rgba(11, 110, 170, 0.15);
}

.hero__title {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-heading);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero__lead {
  margin: 0 0 1.75rem;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.35rem;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover,
.btn--primary:focus {
  background: var(--color-primary-dark);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(11, 110, 170, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover,
.btn--outline:focus {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  text-decoration: none;
}

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__visual img {
  max-height: 280px;
  width: auto;
  filter: drop-shadow(0 8px 24px rgba(15, 23, 42, 0.1));
}

/* ── Portfolio ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1.25rem;
}

.portfolio-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.portfolio-card:hover,
.portfolio-card:focus {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(11, 110, 170, 0.25);
  text-decoration: none;
}

.portfolio-card__image {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  min-height: 130px;
  background: #fff;
}

.portfolio-card__image img {
  object-fit: contain;
  max-height: 90px;
  width: auto;
  margin-inline: auto;
}

.portfolio-card__label {
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-heading);
  text-align: center;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  transition: background var(--transition), color var(--transition);
}

.portfolio-card:hover .portfolio-card__label {
  background: var(--color-primary);
  color: #fff;
}

/* ── Prose ── */
.prose p { margin: 0 0 1.1rem; }

.prose h2, .prose h3, .prose h4 {
  margin: 2rem 0 0.75rem;
  font-weight: 700;
  color: var(--color-heading);
}

.prose h2 { font-size: 1.35rem; }
.prose h3 { font-size: 1.15rem; }

.values-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}

.values-list li {
  padding: 0.75rem 1rem;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
  font-weight: 500;
  font-size: 0.925rem;
}

/* ── Team ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}

.team-member {
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem 1.75rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.team-member:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.team-member img {
  width: min(180px, 100%);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  margin-inline: auto;
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px var(--color-primary-light), var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.team-member:hover img {
  box-shadow: 0 0 0 2px var(--color-primary), var(--shadow-md);
}

.team-member h2 {
  margin: 1.25rem 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.team-member h2 a {
  color: var(--color-heading);
  text-decoration: none;
}

.team-member h2 a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.team-member .role {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin: 0 0 0.75rem;
  line-height: 1.5;
}

.team-member .email {
  font-size: 0.85rem;
  word-break: break-word;
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.contact-block {
  padding: 1.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--color-primary);
}

.contact-block h2 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.85rem;
  color: var(--color-heading);
}

.contact-block p {
  margin: 0;
  font-size: 0.925rem;
  line-height: 1.7;
}

.contact-block a {
  font-weight: 500;
}

/* ── Videos ── */
.video-section {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.video-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.video-section h2 {
  font-size: 1.1rem;
  margin: 0 0 1rem;
  font-weight: 700;
  color: var(--color-heading);
  padding-left: 0.85rem;
  border-left: 3px solid var(--color-accent);
}

.video-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0f172a;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.video-embed img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-embed__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.4);
  border: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  padding: 0;
  transition: background var(--transition);
}

.video-embed:hover .video-embed__play {
  background: rgba(15, 23, 42, 0.55);
}

.video-embed__play svg {
  width: 68px;
  height: 48px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.partners-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.partners-image img { width: 100%; }

.media-image {
  display: block;
  margin-inline: auto;
  max-width: 600px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* ── Footer ── */
.site-footer {
  background: var(--color-nav);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 0;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  padding: 2.5rem 0 2rem;
}

.site-footer__brand img {
  width: 160px;
  margin-bottom: 0.75rem;
  opacity: 0.95;
}

.site-footer__brand p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.65);
  max-width: 32ch;
}

.site-footer__heading {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__links li { margin-bottom: 0.45rem; }

.site-footer__links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  text-decoration: none;
}

.site-footer__links a:hover {
  color: #fff;
  text-decoration: underline;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0;
  text-align: center;
}

.site-footer__bottom p {
  margin: 0;
  font-size: 0.825rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__actions { justify-content: center; }
  .hero__visual { order: -1; }
  .hero__visual img { max-height: 200px; }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 960px) {
  .site-header__bar {
    position: relative;
  }

  .site-header__name { display: none; }

  .menu-toggle { display: flex; }

  .site-nav {
    position: static;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: 0.35rem 0;
    max-height: calc(100vh - 52px);
    overflow-y: auto;
    gap: 0;
  }

  .nav-list.is-open { display: flex; }

  .nav-list > li > a {
    padding: 0.65rem 1rem;
    border-radius: 0;
    white-space: normal;
  }

  .nav-list .submenu {
    position: static;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    background: var(--color-bg);
    padding: 0;
  }

  .nav-list .has-submenu > a::after {
    content: " ▾";
    font-size: 0.7em;
  }
}

@media (max-width: 768px) {
  .site-header__logo {
    height: 32px;
    max-width: 88px;
  }

  .site-header__bar {
    min-height: 48px;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
  }
}