/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  transition: background var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.site-header.is-scrolled {
  background: var(--color-bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  height: 100%;
}

.site-header__logo {
  flex-shrink: 0;
  display: block;
  line-height: 0;
}

.site-header__logo img {
  display: block;
  height: 48px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: nowrap;
  gap: var(--space-1);
  margin-left: clamp(24px, 3vw, 48px);
}

.site-nav__list .nav-link {
  white-space: nowrap;
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: color var(--duration-normal);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-accent);
}

.nav-link.is-active {
  color: var(--color-accent-hover);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  margin-left: auto;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.menu-toggle__icon {
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background var(--duration-fast);
}

.menu-toggle__icon::before,
.menu-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform var(--duration-normal) var(--ease-out);
}

.menu-toggle__icon::before {
  top: -7px;
}

.menu-toggle__icon::after {
  top: 7px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-drawer {
  display: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.35rem;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: transform var(--duration-fast) var(--ease-out),
    filter var(--duration-normal) var(--ease-out),
    background var(--duration-normal) var(--ease-out),
    color var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  text-align: center;
}

.btn--display {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: normal;
  letter-spacing: 0.02em;
}

.btn--primary {
  color: #fff;
  background: linear-gradient(90deg, var(--color-cta-from), var(--color-cta-to));
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  color: #fff;
}

.btn--secondary {
  color: var(--color-gold-border);
  background: var(--color-bg);
  border: 2px solid var(--color-gold-border);
}

.btn--secondary:hover {
  background: var(--color-gold-border);
  color: var(--color-bg);
}

.btn--ghost {
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-border-strong);
  color: var(--color-accent);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

/* Cards */
.card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-normal), box-shadow var(--duration-normal);
}

.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-glow);
}

.card--framed {
  position: relative;
  overflow: hidden;
}

.card--framed::before,
.card--framed::after {
  content: "";
  position: absolute;
  width: 48px;
  height: 48px;
  background: url("../img/decor/frame.png") no-repeat;
  background-size: contain;
  pointer-events: none;
  opacity: 0.6;
  z-index: 1;
}

.card--framed::before {
  bottom: 4px;
  left: 4px;
}

.card--framed::after {
  top: 4px;
  right: 4px;
  transform: scale(-1, -1);
}

.card__body {
  padding: var(--space-6);
}

/* Badge / status */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: 999px;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
}

.badge--online::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse-dot 2s ease-in-out infinite;
}

.badge--offline {
  color: #ff8f8f;
  border-color: rgba(255, 86, 86, 0.42);
  background: rgba(80, 12, 12, 0.36);
  box-shadow:
    0 0 16px rgba(255, 60, 60, 0.16),
    inset 0 0 14px rgba(255, 60, 60, 0.06);
}

.badge--offline::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff4b4b;
  box-shadow: 0 0 10px rgba(255, 70, 70, 0.78);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Download teaser */
.download-teaser {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.download-teaser .section-title {
  margin-bottom: var(--space-3);
}

.download-teaser .text-muted {
  margin-bottom: var(--space-6);
}

/* Start modal */
.start-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.start-modal[hidden] {
  display: none !important;
}

.start-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  cursor: pointer;
}

.start-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(640px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  padding: var(--space-8) var(--space-6) var(--space-6);
  background: var(--color-bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow), var(--shadow-panel);
}

.start-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--duration-normal), background var(--duration-normal);
}

.start-modal__close:hover {
  color: var(--color-accent);
  background: rgba(245, 162, 15, 0.1);
}

.start-modal__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-accent);
  text-align: center;
  margin-bottom: var(--space-6);
  padding-right: var(--space-10);
}

.start-modal__steps {
  list-style: none;
  counter-reset: start-step;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.start-modal__step {
  counter-increment: start-step;
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.start-modal__step::before {
  content: counter(start-step);
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  min-width: 1.5rem;
  text-align: center;
}

.start-modal__step-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.start-modal__step-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.start-modal__ru-notice {
  margin-bottom: var(--space-6);
  padding: 14px 16px;
  border: 1px solid rgba(233, 193, 86, 0.28);
  border-radius: 14px;
  background: rgba(16, 15, 13, 0.72);
  text-align: center;
}

.start-modal__ru-notice p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.start-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.start-modal__actions [hidden] {
  display: none !important;
}

body.modal-open .sticky-cta {
  visibility: hidden;
  pointer-events: none;
}

/* Steps (legacy — used only if step blocks return) */
.steps {
  display: grid;
  gap: var(--space-6);
  counter-reset: step;
}

.step-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-6);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  counter-increment: step;
}

.step-card__num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-accent);
  min-width: 2.5rem;
}

.step-card__num::before {
  content: counter(step);
}

.step-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

/* Flip cards */
.flip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: var(--space-6);
}

.flip-card {
  perspective: 1000px;
  min-height: 220px;
}

.flip-card__inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 220px;
  transition: transform 0.6s var(--ease-out);
  transform-style: preserve-3d;
}

.flip-card.is-flipped .flip-card__inner {
  transform: rotateY(180deg);
}

.flip-card__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-6);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.flip-card__face--back {
  transform: rotateY(180deg);
  background: linear-gradient(145deg, var(--color-bg-panel), var(--color-bg-elevated));
}

.flip-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.flip-card__hint {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Carousel */
.carousel {
  position: relative;
  overflow: hidden;
  --slides-per-view: 1;
}

.carousel__track {
  display: flex;
  width: 100%;
  transition: transform var(--duration-normal) var(--ease-out);
  touch-action: pan-y pinch-zoom;
  will-change: transform;
}

.carousel__slide {
  flex: 0 0 calc(100% / var(--slides-per-view));
  padding: 0 var(--space-2);
  min-width: 0;
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.carousel__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--duration-normal), background var(--duration-normal);
}

.carousel__btn:hover {
  border-color: var(--color-accent);
  background: rgba(245, 162, 15, 0.1);
}

.carousel__dots {
  display: flex;
  gap: var(--space-2);
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  transition: background var(--duration-normal), transform var(--duration-normal);
}

.carousel__dot.is-active {
  background: var(--color-accent);
  transform: scale(1.25);
}

/* Tabs */
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-2);
}

.tabs__tab {
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: color var(--duration-normal), background var(--duration-normal);
}

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

.tabs__tab[aria-selected="true"] {
  color: var(--color-accent);
  background: rgba(245, 162, 15, 0.08);
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: -1px;
}

.tabs__panel {
  display: none;
}

.tabs__panel.is-active {
  display: block;
}

/* Rating cards */
.rating-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.rating-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

.rating-tab[aria-selected="true"] {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(245, 162, 15, 0.08);
}

.rating-panel[hidden] {
  display: none;
}

.rating-panel.is-active {
  display: block;
}

.rating-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.rating-row {
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.rating-row__place {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  text-align: center;
}

.rating-row__name {
  color: var(--color-text);
  font-weight: 600;
  min-width: 0;
  overflow-wrap: anywhere;
}

.rating-row__value {
  color: var(--color-accent-soft);
  font-size: var(--text-sm);
}

/* Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 800px;
  margin-inline: auto;
}

.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-panel);
  overflow: hidden;
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}

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

.accordion__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  color: var(--color-accent);
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.accordion__icon::before {
  width: 14px;
  height: 2px;
}

.accordion__icon::after {
  width: 2px;
  height: 14px;
  transition: transform var(--duration-normal);
}

.accordion__item.is-open .accordion__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-normal) var(--ease-out);
}

.accordion__item.is-open .accordion__panel {
  grid-template-rows: 1fr;
}

.accordion__content {
  overflow: hidden;
}

.accordion__content-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Footer */
.site-footer {
  background: linear-gradient(180deg, var(--color-bg-elevated) 0%, #131227 100%);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr auto;
  gap: var(--space-10);
  align-items: start;
}

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

.site-footer__brand .logo-icon {
  display: block;
  height: 56px;
  width: auto;
  max-width: 80px;
  object-fit: contain;
  margin-bottom: var(--space-4);
}

.site-footer__brand .logo-text {
  display: block;
  height: 32px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  margin-bottom: var(--space-4);
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__links a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

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

.site-footer__social {
  display: flex;
  gap: var(--space-4);
}

.footer-social__link,
.site-footer__social-link {
  inline-size: 44px;
  block-size: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(233, 193, 86, 0.32);
  background: rgba(16, 15, 13, 0.58);
  color: var(--color-text);
  text-decoration: none;
  transition:
    transform 180ms var(--ease-out),
    color 180ms var(--ease-out),
    border-color 180ms var(--ease-out),
    box-shadow 180ms var(--ease-out),
    background 180ms var(--ease-out);
}

.footer-social__link:hover,
.site-footer__social-link:hover {
  transform: translateY(-2px);
  color: var(--color-accent);
  border-color: rgba(233, 193, 86, 0.72);
  background: rgba(24, 18, 12, 0.78);
  box-shadow: 0 0 24px rgba(245, 162, 15, 0.16);
}

.footer-social__link:focus-visible,
.site-footer__social-link:focus-visible {
  outline: 2px solid var(--color-accent-soft);
  outline-offset: 3px;
}

.site-footer__legal {
  grid-column: 1 / -1;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
}

/* Sticky mobile CTA */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky-cta);
  padding: var(--space-3) var(--space-4);
  padding-bottom: calc(var(--space-3) + env(safe-area-inset-bottom, 0));
  background: var(--color-bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-border);
  gap: var(--space-2);
}

.sticky-cta .btn {
  flex: 1;
  padding: 0.65rem 0.5rem;
  font-size: var(--text-xs);
}