/* Header */
.header {
  position: fixed;
  top: 12px;
  left: 0;
  right: 0;
  width: min(var(--container-max), calc(100% - 32px));
  height: var(--header-height);
  margin: 0 auto;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 0 20px;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: top var(--transition), background var(--transition);
}

.header__gloss {
  display: none;
}

.header.scrolled {
  top: 8px;
  background: var(--glass-bg-strong);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 8px 0 20px;
  max-width: none;
  width: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.header__logo img {
  height: 36px;
  width: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.header__logo span {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav__list {
  display: flex;
  gap: 24px;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav__mobile-top,
.nav__close {
  display: none;
}

.nav__actions {
  display: flex;
  align-items: center;
}

.nav__messengers {
  display: none;
}

.nav-backdrop {
  display: none;
}

@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  .header.liquid-glass {
    --header-float-top: 10px;
    top: var(--header-float-top);
    width: calc(100% - 20px);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.38);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.32);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
    will-change: top, width;
    overflow: hidden;
    isolation: isolate;
    transition:
      top 0.42s var(--liquid-ease),
      width 0.42s var(--liquid-ease),
      box-shadow 0.42s var(--liquid-ease),
      background 0.42s var(--liquid-ease),
      border-color 0.42s var(--liquid-ease);
  }

  .header.liquid-glass.header-at-top {
    top: 12px;
    width: calc(100% - 24px);
    background: rgba(255, 255, 255, 0.22);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
  }

  .header.liquid-glass.scrolled {
    background: rgba(255, 255, 255, 0.38);
  }

  .header.liquid-glass::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.38) 0%,
      rgba(255, 255, 255, 0.08) 38%,
      transparent 62%
    );
    pointer-events: none;
    z-index: 0;
  }

  .header.liquid-glass .header__logo,
  .header.liquid-glass .burger {
    position: relative;
    z-index: 1;
  }

  .header__gloss {
    display: block;
    position: absolute;
    inset: 0;
    border-radius: inherit;
    overflow: hidden;
    pointer-events: none;
    z-index: 2;
  }

  .header__gloss::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 42%;
    height: 2px;
    background: linear-gradient(
      90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.98) 42%,
      rgba(255, 255, 255, 0.65) 58%,
      transparent 100%
    );
    transform: translateX(-120%);
    opacity: 0;
    will-change: transform, opacity;
  }

  .header__gloss.is-active::before {
    animation: liquid-gloss var(--gloss-duration, 0.4s) var(--liquid-ease) forwards;
  }

  .header {
    width: calc(100% - 24px);
  }

  .header__logo span {
    display: none;
  }

  .burger {
    display: flex;
    position: relative;
    z-index: 1003;
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1001;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s ease, visibility 0.35s ease;
  }

  .nav-backdrop.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav {
    position: fixed;
    inset: 0;
    z-index: 1002;
    width: 100%;
    height: 100dvh;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: max(12px, env(safe-area-inset-top)) 24px max(28px, env(safe-area-inset-bottom));
    gap: 0;
    transform: translate3d(0, -102%, 0);
    visibility: hidden;
    pointer-events: none;
    transition:
      transform var(--menu-transition),
      visibility 0.35s ease;
    border: none;
    box-shadow: none;
  }

  .nav.open {
    transform: translate3d(0, 0, 0);
    visibility: visible;
    pointer-events: auto;
  }

  .nav__mobile-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0 24px;
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
  }

  .nav.open .nav__mobile-top {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.05s;
  }

  .nav__mobile-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.02em;
  }

  .nav__mobile-logo img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
  }

  .nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.06);
    color: var(--color-primary);
    transition: background var(--transition), transform var(--transition);
  }

  .nav__close:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
  }

  .nav__list {
    flex: 1;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    padding: 16px 0;
  }

  .nav__list li {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
  }

  .nav.open .nav__list li:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
  }

  .nav.open .nav__list li:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.16s;
  }

  .nav.open .nav__list li:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.22s;
  }

  .nav__link {
    display: block;
    font-size: clamp(1.75rem, 7vw, 2.25rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    padding: 10px 0;
    color: var(--color-primary);
  }

  .nav__link.active {
    color: var(--color-accent);
  }

  .nav__actions {
    flex-direction: column;
    gap: 12px;
    width: 100%;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.4s ease, transform 0.4s ease;
  }

  .nav.open .nav__actions {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.28s;
  }

  .nav__actions .btn--primary {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
  }

  .nav__messengers {
    display: flex;
    gap: 10px;
    width: 100%;
  }

  .nav__messengers .btn {
    flex: 1;
    padding: 12px 16px;
    font-size: 0.875rem;
  }

  body.menu-open .burger {
    opacity: 0;
    pointer-events: none;
  }
}

@keyframes liquid-gloss {
  0% {
    transform: translateX(-120%);
    opacity: 0;
  }

  12% {
    opacity: 1;
  }

  88% {
    opacity: 1;
  }

  100% {
    transform: translateX(320%);
    opacity: 0;
  }
}

@media (min-width: 769px) {
  .burger {
    display: none;
  }

  .header.liquid-glass::before,
  .header__gloss {
    display: none;
  }

  .header {
    pointer-events: auto;
  }

  .nav {
    position: fixed;
    top: 12px;
    left: 0;
    right: 0;
    width: min(var(--container-max), calc(100% - 32px));
    height: var(--header-height);
    margin: 0 auto;
    padding: 0 12px 0 clamp(112px, 14vw, 168px);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(12px, 2vw, 24px);
    background: transparent;
    transform: none;
    visibility: visible;
    pointer-events: none;
    z-index: 1001;
    min-width: 0;
  }

  .header.scrolled ~ .nav {
    top: 8px;
  }

  .nav__mobile-top,
  .nav__messengers,
  .nav__close {
    display: none !important;
  }

  .nav__list,
  .nav__actions,
  .nav__link,
  .nav .btn {
    pointer-events: auto;
  }

  .nav__list {
    flex-direction: row;
    flex: 0 1 auto;
    flex-wrap: nowrap;
    padding: 0;
    justify-content: flex-end;
    gap: clamp(12px, 2vw, 24px);
    min-width: 0;
  }

  .nav__list li {
    opacity: 1;
    transform: none;
    flex-shrink: 0;
  }

  .nav__link {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0;
    color: var(--color-text-muted);
    white-space: nowrap;
  }

  .nav__actions {
    opacity: 1;
    transform: none;
    flex-direction: row;
    width: auto;
    flex-shrink: 0;
  }
}

/* Glass panel */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: scale(1.02);
}

.btn--glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: var(--color-primary);
}

.btn--glass:hover {
  background: var(--glass-bg-strong);
}

.btn--whatsapp {
  background: #25D366;
  color: var(--color-white);
}

.btn--whatsapp:hover {
  background: #20bd5a;
  transform: scale(1.02);
}

.btn--telegram {
  background: #0088cc;
  color: var(--color-white);
}

.btn--telegram:hover {
  background: #0077b5;
  transform: scale(1.02);
}

.btn--sm {
  padding: 10px 18px;
  font-size: 0.875rem;
}

.btn--block {
  width: 100%;
}

.btn svg {
  flex-shrink: 0;
}

/* Tour cards */
.tour-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.tour-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.tour-card__image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.tour-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.tour-card:hover .tour-card__image img {
  transform: scale(1.06);
}

.tour-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}

.tour-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tour-card__title {
  font-size: 1.125rem;
  margin-bottom: 10px;
  line-height: 1.3;
}

.tour-card__meta {
  display: flex;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.tour-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.tour-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.tour-card__price {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tour-card__price span {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.tour-card__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
}

/* Feature tiles */
.feature-tile {
  padding: 32px 24px;
  text-align: center;
}

.feature-tile__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 113, 227, 0.08);
}

.feature-tile h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.feature-tile p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Footer */
.footer {
  padding: 48px 0 32px;
  margin-top: 40px;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 32px;
  padding: 40px;
}

.footer__brand img {
  height: 40px;
  width: 40px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 12px;
}

.footer__brand p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 280px;
  line-height: 1.6;
  margin: 0 auto;
}

.footer__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__social {
  display: flex;
  gap: 10px;
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: transform var(--transition);
}

.footer__social a:hover {
  transform: scale(1.08);
}

.footer__bottom {
  text-align: center;
  padding-top: 24px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

@media (max-width: 600px) {
  .footer__inner {
    flex-direction: column;
    padding: 28px;
  }
}

/* Mobile booking bar */
.mobile-booking-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 12px 16px;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  gap: 10px;
}

.mobile-booking-bar .btn {
  flex: 1;
  padding: 12px 16px;
  font-size: 0.875rem;
}

@media (max-width: 900px) {
  .mobile-booking-bar.active {
    display: flex;
  }
}