/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 15px;
  font-family: var(--font-family-ui);
  transition: all 0.2s ease;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: #00C2A8;
  color: #041423;
  border-color: #00C2A8;
  box-shadow: 0 12px 24px rgba(0, 194, 199, 0.22);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(0, 194, 199, 0.28);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-soft);
  color: var(--text-strong);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: #00C2A8;
  color: #00C2A8;
}

.btn-outline:hover {
  background: rgba(0, 194, 199, 0.12);
}

.btn-ghost {
  background: transparent;
  color: #00C2A8;
  border-color: #00C2A8;
}

.btn-ghost:hover {
  background: rgba(0, 194, 199, 0.12);
  color: #f7f9fb;
}

.btn-pill {
  border-radius: var(--radius-pill);
  padding: 12px 22px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-card);
}

.btn-quiet {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--accent-sky-500);
  font-weight: 700;
}

.btn-quiet svg {
  width: 16px;
  height: 16px;
}

/* Pills & badges */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-strong);
  font-weight: 700;
  font-size: 14px;
}

.pill--outline {
  background: transparent;
  border-color: var(--accent-teal-500);
  color: var(--accent-teal-500);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  background: rgba(0, 199, 177, 0.12);
  color: var(--accent-teal-500);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge::before {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-teal-500);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: none;
  background: #0b1324;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  height: 78px;
  position: relative;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.site-header__logo {
  height: 44px;
  width: auto;
}

.site-header__nav {
  flex: 1;
}

.site-header__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-xl);
}

.site-header__link {
  font-family: var(--font-family-ui);
  font-weight: 700;
  color: #e1e7f3;
  position: relative;
  padding: 10px 0;
  display: inline-block;
}

.site-header__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.site-header__link:hover,
.site-header__link:focus-visible {
  color: var(--text-strong);
}

.site-header__link:hover::after,
.site-header__link:focus-visible::after {
  transform: scaleX(1);
}

.site-header__link.is-active {
  color: var(--text-strong);
}

.site-header__link.is-active::after {
  transform: scaleX(1);
  animation: nav-underline-pulse 2.2s ease-in-out infinite;
}

@keyframes nav-underline-pulse {
  0%,
  100% {
    opacity: 0.7;
    filter: drop-shadow(0 0 0 rgba(0, 194, 199, 0));
  }
  50% {
    opacity: 1;
    filter: drop-shadow(0 0 6px rgba(0, 194, 199, 0.5));
  }
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: var(--space-md);
}

.site-header__actions .btn {
  height: 46px;
  padding-inline: 16px;
}

.site-header__menu {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-xl);
}

.site-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  margin-right: 6px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.site-header__toggle:hover,
.site-header__toggle:focus-visible {
  background: rgba(0, 194, 199, 0.12);
  border-color: rgba(0, 194, 199, 0.5);
}

.site-header__toggle-icon {
  display: grid;
  gap: 5px;
}

.site-header__toggle-icon span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: #e1e7f3;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.is-open .site-header__toggle-icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .site-header__toggle-icon span:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .site-header__toggle-icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Footer */
.site-footer {
  background: linear-gradient(180deg, #0b111f 0%, #0b1324 100%);
  color: var(--text-base);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--border-soft);
}

.site-footer__content {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--border-soft);
}

.site-footer__brand img {
  width: 190px;
  margin-bottom: var(--space-sm);
}

.site-footer__tagline {
  color: var(--text-muted);
  margin: 0;
}

.site-footer__columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xl);
}

.site-footer__col-title {
  margin: 0 0 var(--space-xs);
  color: var(--text-strong);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.site-footer__link {
  display: block;
  color: var(--text-base);
  margin-bottom: 10px;
  font-weight: 600;
}

.site-footer__link:hover {
  color: var(--accent-teal-500);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-top: var(--space-lg);
}

.site-footer__copy {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.site-footer__social {
  display: flex;
  gap: var(--space-sm);
}

.site-footer__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.site-footer__icon:hover {
  background: rgba(0, 199, 177, 0.14);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  color: var(--text-base);
  box-shadow: var(--shadow-soft);
}

.card--glass {
  background: var(--surface-card-strong);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.card--light {
  background: var(--neutral-50);
  color: var(--text-dark);
  border: 1px solid var(--border-dark);
}

.card h3,
.card h4 {
  margin-bottom: var(--space-xs);
}

.card p {
  color: var(--text-muted);
}

.card__meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* Lists */
.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.list-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  color: var(--text-base);
}

.list-item .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-sky-500);
  margin-top: 6px;
}

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-strong);
}

/* Tablet: reduce spacing and keep horizontal layout without breaking hierarchy. */
@media (max-width: 1024px) {
  .site-header__inner {
    gap: var(--space-lg);
  }

  .site-header__links {
    gap: var(--space-lg);
  }

  .site-header__actions {
    margin-left: 0;
  }

  .site-header__actions .btn {
    padding-inline: 14px;
  }

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

/* Mobile: switch to hamburger + expandable panel for one-hand navigation. */
@media (max-width: 768px) {
  .site-header__inner {
    height: 70px;
    padding: 14px 10px;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__menu {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    padding: 18px 20px 24px;
    background: #0b1324;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 18px 30px rgba(4, 12, 26, 0.35);
    display: grid;
    gap: var(--space-lg);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease, visibility 0.2s ease;
  }

  .site-header.is-open .site-header__menu {
    transform: scaleY(1);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-header__nav,
  .site-header__actions {
    width: 100%;
  }

  .site-header__links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .site-header__link {
    width: 100%;
    padding: 12px 0;
  }

  .site-header__actions {
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
    gap: var(--space-sm);
  }

  .site-header__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .site-footer__columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}