.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  overflow: visible;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.nav--scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav__logo-img {
  height: 62px;
  width: auto;
  display: block;
}

.footer__logo-img {
  height: 52px;
  width: auto;
  display: block;
  margin-bottom: 12px;
}

.nav__logo-icon {
  display: flex;
  align-items: center;
}

.nav__logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav__logo-text span {
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-muted);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: var(--radius-full);
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
  flex-shrink: 0;
}

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

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  padding: 4px;
  cursor: pointer;
  flex-shrink: 0;
}

.nav__burger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition), opacity var(--transition);
}

.nav__burger--active .nav__burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__burger--active .nav__burger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__burger--active .nav__burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__container {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--spacing-xl)) var(--container-padding) var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-md);
}

.hero__title {
  color: var(--color-text);
  max-width: 800px;
}

.hero__title span {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--color-muted);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--spacing-xs);
}

.hero__scroll {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 500;
  transition: color var(--transition);
  animation: scrollBounce 2s ease-in-out infinite;
}

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

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

.stats {
  background: var(--color-bg-2);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stats__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-md) var(--spacing-lg);
  gap: var(--spacing-xs);
}

.stats__number {
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.03em;
}

.stats__label {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.stats__desc {
  font-size: 14px;
  color: var(--color-muted);
}

.stats__divider {
  width: 1px;
  height: 80px;
  background: var(--color-border);
  flex-shrink: 0;
}

.catalog {
  background: var(--color-bg);
  padding: var(--spacing-xl) 0;
}

.catalog__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.catalog__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.catalog__subtitle {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 500px;
}

.catalog__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.catalog__card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
}

.catalog__card-icon {
  margin-bottom: 4px;
}

.catalog__card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  flex: 1;
}

.catalog__card-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: auto;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.catalog__price-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.catalog__price-unit {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 500;
}

.catalog__card-btn {
  width: 100%;
  margin-top: var(--spacing-sm);
}

.catalog__footer {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.services {
  background: var(--color-bg-2);
  padding: var(--spacing-xl) 0;
}

.services__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.services__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.services__subtitle {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 500px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.services__card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
}

.services__card-icon {
  width: 72px;
  height: 72px;
  background: rgba(var(--color-accent-rgb), 0.05);
  border: 1px solid rgba(var(--color-accent-rgb), 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.services__card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.services__card-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  flex: 1;
}

.services__card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition), opacity var(--transition);
  margin-top: auto;
}

.services__card-link:hover {
  gap: 10px;
  opacity: 0.8;
}

.why {
  background: var(--color-bg);
  padding: var(--spacing-xl) 0;
}

.why__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.why__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.why__items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.why__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.why__item--reverse {
  flex-direction: row-reverse;
}

.why__item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.why__item-icon {
  width: 80px;
  height: 80px;
}

.why__item-title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.why__item-desc {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 480px;
}

.why__item-visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why__price-card,
.why__support-card,
.why__team-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 320px;
  text-align: center;
}

.why__price-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.why__price-value {
  font-size: 40px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.why__price-note {
  font-size: 14px;
  color: var(--color-muted);
}

.why__price-badge {
  margin-top: var(--spacing-xs);
  padding: 6px 16px;
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-full);
  border: 1px solid rgba(var(--color-accent-rgb), 0.3);
}

.why__support-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-success);
}

.why__support-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.why__support-text {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 8px;
}

.why__support-time {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.why__team-number {
  font-size: 64px;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  line-height: 1;
}

.why__team-label {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.why__team-since {
  font-size: 14px;
  color: var(--color-muted);
}

.contact {
  background: var(--color-bg-2);
  padding: var(--spacing-xl) 0;
}

.contact__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact__left {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact__subtitle {
  font-size: 16px;
  color: var(--color-muted);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.form__submit {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  margin-top: var(--spacing-xs);
}

.form__submit-spinner {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.contact__right {
  padding-top: var(--spacing-lg);
}

.contact__info {
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.contact__info-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.contact__info-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact__info-icon {
  width: 40px;
  height: 40px;
  background: rgba(var(--color-accent-rgb), 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__info-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.contact__info-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
}

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

.contact__guarantee {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.footer__logo {
  margin-bottom: var(--spacing-sm);
}

.footer__desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 280px;
}

.footer__nav-title {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: var(--spacing-sm);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__nav-link {
  font-size: 14px;
  color: var(--color-muted);
  transition: color var(--transition);
}

.footer__nav-link:hover {
  color: var(--color-text);
}

.footer__phone {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  transition: color var(--transition);
}

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

.footer__email {
  display: block;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
  transition: color var(--transition);
}

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

.footer__hours {
  font-size: 13px;
  color: var(--color-muted-2);
}

.footer__social-links {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: 4px;
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.footer__social-link:hover {
  background: rgba(var(--color-accent-rgb), 0.1);
  border-color: rgba(var(--color-accent-rgb), 0.3);
  color: var(--color-accent);
}

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

.footer__copyright {
  font-size: 14px;
  color: var(--color-muted);
}

.footer__legal {
  display: flex;
  gap: var(--spacing-md);
}

.footer__legal-link {
  font-size: 13px;
  color: var(--color-muted-2);
  transition: color var(--transition);
}

.footer__legal-link:hover {
  color: var(--color-muted);
}

@media (max-width: 1199px) {
  .catalog__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
  }

  .why__item {
    gap: var(--spacing-lg);
  }
}

@media (max-width: 767px) {
  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    /* скрыто по умолчанию — надёжнее чем только transform */
    transform: translateY(-100%) translateY(-2px);
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--transition), visibility 0s linear 0.3s;
  }

  .nav__links.menu--open {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    transition: transform var(--transition), visibility 0s linear 0s;
  }

  .nav__link {
    font-size: 18px;
  }

  .nav__phone {
    display: none;
  }

  .nav__burger {
    display: flex;
  }

  .stats__container {
    flex-direction: column;
    gap: 0;
  }

  .stats__divider {
    width: 80px;
    height: 1px;
  }

  .stats__item {
    padding: var(--spacing-md);
  }

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

  .services__grid {
    grid-template-columns: 1fr;
  }

  .why__item,
  .why__item--reverse {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .why__item-desc {
    max-width: 100%;
  }

  .why__item-visual {
    width: 100%;
  }

  .why__price-card,
  .why__support-card,
  .why__team-card {
    max-width: 100%;
  }

  .contact__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .contact__right {
    padding-top: 0;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

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

  .footer__legal {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
}

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

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn-primary,
  .hero__actions .btn-secondary {
    width: 100%;
    text-align: center;
  }
}