/* Шапка, подвал, hero */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-height);
  display: flex;
  align-items: center;
  backdrop-filter: blur(14px);
  background: var(--color-glass);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: min(100% - var(--space-6), var(--content-width));
  margin-inline: auto;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-cta);
  text-decoration: none;
  white-space: nowrap;
}

.brand span {
  color: inherit;
}

.header-phone {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-width: 2.75rem;
  height: 2.75rem;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  color: var(--color-ink);
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  white-space: nowrap;
}

.header-phone:hover {
  color: var(--color-cta);
}

.header-phone__icon {
  width: 1.125rem;
  height: 1.125rem;
  flex: none;
  color: var(--color-cta);
}

/* На узких экранах и при тесной шапке с меню остаётся только иконка-кнопка */
@media (max-width: 599px), (min-width: 900px) and (max-width: 1139px) {
  .header-phone {
    padding: 0;
  }

  .header-phone__number {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}

@media (max-width: 419px) {
  .site-header__inner {
    gap: var(--space-2);
  }

  .brand {
    font-size: 1rem;
  }
}

.nav {
  display: none;
  align-items: center;
  gap: var(--space-5);
}

.nav a {
  position: relative;
  color: var(--color-ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: color var(--duration) var(--ease-out);
}

.nav a:hover,
.nav a.is-active {
  color: var(--color-ink);
}

.nav-toggle {
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--color-ink);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

@media (min-width: 900px) {
  .nav {
    display: flex;
    order: 1;
    margin-left: auto;
  }

  .nav a.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -0.45rem;
    height: 2px;
    border-radius: 2px;
    background: var(--color-cta);
  }

  .nav-toggle {
    display: none;
  }

  .header-phone {
    order: 2;
    margin-left: 0;
    border-color: transparent;
    background: transparent;
  }
}

.nav.is-open {
  display: flex;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: var(--space-4);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-line);
  box-shadow: var(--shadow-soft);
}

.nav.is-open a {
  padding: var(--space-3) var(--space-2);
}

.nav.is-open a.is-active {
  color: var(--color-cta);
}

/* Hero главной: текст + иллюстрация */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 46rem;
  height: 46rem;
  right: -14rem;
  top: -12rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 31, 38, 0.12) 0%, transparent 65%);
}

.hero__inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  width: min(100% - var(--space-6), var(--content-width));
  margin: 0 auto;
  padding: var(--space-7) 0 var(--space-7);
}

@media (min-width: 960px) {
  .hero__inner {
    grid-template-columns: 1fr 1.05fr;
    gap: var(--space-7);
    min-height: min(calc(100vh - var(--header-height) - 7rem), 40rem);
    padding: var(--space-7) 0;
  }
}

.hero__content {
  animation: rise 700ms var(--ease-out) both;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 5.4vw, 4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--color-cta);
  margin: 0 0 var(--space-5);
}

.hero__brand span {
  display: block;
  color: inherit;
}

.hero__brand .hero__brand-sub {
  margin-top: var(--space-4);
  font-family: var(--font-body);
  font-size: clamp(1.125rem, 2.2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--color-ink);
}

.hero__lead {
  font-size: 1.125rem;
  max-width: 32rem;
  margin-bottom: var(--space-6);
}

.hero__visual {
  position: relative;
  margin: 0;
  animation: rise 900ms 120ms var(--ease-out) both;
}

.hero__visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
}

.hero__badge {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
  font-size: 0.875rem;
  line-height: 1.3;
  color: var(--color-ink-soft);
}

.hero__badge::before {
  content: "";
  flex: none;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--color-cta);
  box-shadow: 0 0 0 4px var(--color-cta-soft);
}

.hero__badge strong {
  display: block;
  color: var(--color-ink);
  font-size: 0.9375rem;
}

@media (min-width: 960px) {
  .hero__badge {
    left: calc(-1 * var(--space-6));
    bottom: var(--space-6);
  }
}

.site-footer {
  background: var(--color-graphite);
  color: var(--color-on-dark-soft);
  padding: var(--space-6) 0;
  margin-top: var(--space-7);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  font-size: 0.9375rem;
}

.site-footer a {
  color: var(--color-on-dark);
  font-weight: 700;
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer__legal {
  flex-basis: 100%;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-graphite-line);
  font-size: 0.8125rem;
}

.page-hero {
  padding: var(--space-7) 0 var(--space-5);
}

.page-hero h1 {
  max-width: 22ch;
}

.page-hero p {
  max-width: 40rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__content,
  .hero__visual,
  .btn {
    animation: none;
    transition: none;
  }
}