:root {

  --leader-card-bg: rgba(25, 30, 40, 0.9);

  --leader-card-border: rgba(0, 180, 255, 0.28);

  --leader-soft: rgba(0, 180, 255, 0.12);

  --leader-text-muted: rgba(255, 255, 255, 0.72);

  --focus-ring: #00b4ff;

}

header {
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  border-bottom: 1px solid transparent;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  padding: 10px 100px;
}

body.is-scrolled header {
  background: rgba(7, 9, 12, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.35);
}

.header-left {
  padding-left: 2px;
}

.header-logo {
  margin-left: 0;
}

.header-right {
  margin-right: 0;
  gap: 14px;
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
}

body {
  background: #07090c;
}

html,
body {
  min-height: 100%;
  overflow-x: hidden;
  background-color: #07090c;
}

html {
  scrollbar-gutter: stable;
}

.skip-link {

  position: absolute;

  top: 0;

  left: 0;

  transform: translateY(-120%);

  background: rgba(10, 14, 18, 0.96);

  color: #fff;

  padding: 12px 16px;

  border: 2px solid var(--focus-ring);

  border-radius: 12px;

  z-index: 2000;

}

.skip-link:focus {

  transform: translateY(12px);

  outline: none;

}

.header-logo {

  display: inline-flex;

  align-items: center;

  text-decoration: none;

  transition: transform 0.35s ease;
  will-change: transform;

}

.header-logo:hover {

  transform: translateZ(0) scale(1.06);

}

.header-logo:active {

  transform: scale(1.01);

}

.header-logo:focus-visible {

  outline: 3px solid var(--focus-ring);

  outline-offset: 4px;

  border-radius: 12px;

}

.header-logo-text {

  font-weight: 800;

  font-size: 1.8rem;

  background: var(--gradient);

  -webkit-background-clip: text;

  -webkit-text-fill-color: transparent;

  background-clip: text;

  letter-spacing: 1.5px;

}

.header-nav {

  flex: 1;

  display: flex;

  justify-content: center;

  align-items: center;

  gap: 34px;

  flex-wrap: wrap;

}

.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 2px;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.68);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.3px;
  background: transparent;
  border: none;
  transition: color 0.2s ease;
  position: relative;
}

.nav-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  /* завжди 100% */
  height: 2px;
  background: #00b4ff;

  transform: scaleX(0);
  /* схована */
  transform-origin: center;
  /* 🔥 ріст з центру */
  transition: transform 0.35s ease;
}

.nav-btn:hover {
  color: #00b4ff;
}

.nav-btn:hover::after {
  transform: scaleX(1);
}

.nav-btn:focus-visible {

  outline: 3px solid var(--focus-ring);

  outline-offset: 3px;

  border-radius: 6px;

  color: rgba(255, 255, 255, 0.92);

}

main {
  padding-top: 0;
}

html {
  scroll-padding-top: 120px;
}

.hero {
  position: relative;
  height: 620px;
  padding: 84px 20px 36px;
  padding-top: 140px;
  overflow: hidden;
  background: #07090c;
}

.hero::before,
.hero::after {
  content: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding: 0 0 10px;
}

.hero-kicker {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  text-align: center;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
}

.hero-kicker .accent {
  color: #00b4ff;
}

.hero-title {
  margin-top: 22px;
  font-size: clamp(3.2rem, 8vw, 6.2rem);
  line-height: 1.05;
  letter-spacing: -0.5px;
  font-weight: 900;
}

.hero-subtitle {
  margin: 20px auto 0;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.08rem;
  line-height: 1.6;
}

.hero-divider {
  height: 1px;
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.08);
  margin: -75px 0 0;
}

.leadership-divider {
  height: 1px;
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.08);
  margin: 10px 0 22px;
}

.leadership-intro {
  text-align: center;
  margin-bottom: 34px;
}

.leadership-title {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.4px;
  color: rgba(255, 255, 255, 0.96);
}

.leadership-subtitle {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.12rem;
  line-height: 1.55;
}

.mission {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 20px 40px;
}

.mission {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 0;
}

.mission-header {
  position: relative;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-bottom: 28px;
  overflow: visible;
}

.mission-kicker {
  position: relative;
  display: inline-block;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #00b4ff;
}

.mission-header::before,
.mission-header::after {
  content: "";
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  flex: 1;
  max-width: 380px;
}

.mission-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.mission-content .highlight {
  color: #00b4ff;
  font-weight: 700;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 72px;
  padding: 0 48px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}



.leadership {

  max-width: 1200px;

  margin: 0 auto;

  padding: 0 20px 15px;

}



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



.leadership-header h1 {

  font-size: 2.2rem;

  letter-spacing: 0.6px;

}



.leadership-grid {

  display: grid;

  grid-template-columns: repeat(4, minmax(220px, 1fr));

  gap: 18px;

  align-items: stretch;

}



.leader-card {

  position: relative;

  background: var(--leader-card-bg);

  border: 1px solid rgba(255, 255, 255, 0.12);

  border-radius: 18px;

  box-shadow: var(--shadow);

  overflow: hidden;

  padding: 18px 18px 14px;

  transition: border-color 0.2s ease, box-shadow 0.2s ease;

}

.leader-card:hover {
  border-color: var(--leader-card-border);
  box-shadow: 0 0 0 1px rgba(0, 180, 255, 0.22), 0 18px 40px rgba(0, 0, 0, 0.42);
}



.leader-card-pattern {

  position: absolute;

  inset: 0;

  background:

    repeating-linear-gradient(135deg,

      rgba(255, 255, 255, 0.045) 0px,

      rgba(255, 255, 255, 0.045) 2px,

      rgba(255, 255, 255, 0.0) 2px,

      rgba(255, 255, 255, 0.0) 10px);

  opacity: 0.55;

  pointer-events: none;

}





.leader-icon {

  position: relative;

  width: 82px;

  height: 82px;

  margin: 14px auto 10px;

  display: grid;

  place-items: center;

  border-radius: 18px;

  background: rgba(255, 255, 255, 0.06);

  border: 1px solid rgba(255, 255, 255, 0.15);

}



.leader-icon-img {

  width: 42px;

  height: 42px;

  object-fit: contain;

  display: block;

  filter: brightness(0) invert(1) drop-shadow(0 0 2px rgba(255, 255, 255, 0.3));

}



.leader-icon-glyph {

  font-size: 28px;

  line-height: 1;

}



.leader-meta {

  position: relative;

  text-align: center;

  padding: 8px 0 10px;

}



.leader-kicker {

  font-size: 0.75rem;

  letter-spacing: 1.6px;

  text-transform: uppercase;

  color: var(--leader-text-muted);

  margin-top: 6px;

}



.leader-name {

  font-size: 1.35rem;

  font-weight: 900;

  margin-top: 6px;

}



.leader-role {

  font-size: 1.05rem;

  font-weight: 800;

  margin-top: 6px;

  color: #e7f7ff;

}



.leader-contact {

  position: relative;

  margin-top: 12px;

  padding: 12px;

  border-radius: 14px;

  border: 1px solid rgba(255, 255, 255, 0.08);

  background: rgba(0, 0, 0, 0.18);

}



.contact-label {

  font-size: 0.8rem;

  color: var(--leader-text-muted);

  margin-bottom: 6px;

}



.contact-value {

  color: #ffffff;

  text-decoration: none;

  font-weight: 800;

  word-break: break-word;

  pointer-events: none;

}



.contact-value:hover {

  text-decoration: none;

}



.contact-value:focus-visible {

  outline: none;

}



.leader-footer {

  position: relative;

  margin-top: 18px;

  padding-top: 12px;

  border-top: 1px solid rgba(255, 255, 255, 0.08);

  text-align: center;

  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  font-size: 0.82rem;

  letter-spacing: 1px;

  color: rgba(255, 255, 255, 0.68);

}



.site-footer {

  margin-top: 70px;

  background: rgba(0, 0, 0, 0.22);

  border-top: 1px solid rgba(255, 255, 255, 0.08);

}



.site-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 50px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.82rem;
}



.site-footer-accent {

  color: #00b4ff;

}



@media (max-width: 720px) {

  .site-footer-inner {

    flex-direction: column;

    text-align: center;

  }

}



@media (max-width: 1100px) {

  .leadership-grid {

    grid-template-columns: repeat(2, minmax(220px, 1fr));

  }

  .hero {
    min-height: 360px;
    padding: 28px 16px;
  }

}



@media (max-width: 640px) {

  header {

    padding: 12px 16px;

    flex-direction: column;

    gap: 14px;

  }



  .header-nav {

    width: 100%;

  }



  .leadership-grid {

    grid-template-columns: 1fr;

  }

}



@media (prefers-reduced-motion: reduce) {

  .nav-btn,

  .login-btn,

  .header-logo {

    transition: none;

  }

}