/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.site-header .logo {
  margin-left: 30px;
}

.logo img { height: 50px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.main-nav a {
  font-size: var(--fs-sm);
  font-weight: 400;
  color: var(--color-text);
  transition: color 0.2s;
  position: relative;
}
.main-nav a:hover { color: var(--color-orange); }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-phone {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--color-text);
  display: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  padding: 0;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span::after { transform: translateY(-8px) rotate(-45deg); }

@media (min-width: 900px) {
  .header-phone { display: block; }
}

@media (max-width: 899px) {
  .main-nav {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;

    /* 🚀 НАДЕЖНАЯ ВЫСОТА: Считаем высоту ровно под размер экрана телефона */
    height: calc(100dvh - 84px);
    overflow-y: auto;

    /* Убираем баги рендеринга в Safari при скролле */
    -webkit-overflow-scrolling: touch;
    will-change: transform, opacity;

    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3);
    gap: var(--space-2);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s var(--ease);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-toggle { display: block; }
  .header-actions .btn-primary { padding: 0.7rem 1.1rem; font-size: var(--fs-xs); }
}


/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  background: linear-gradient(135deg, #FAFAFA 0%, #EFEFEF 55%, #D6D6D6 100%);
  color: var(--color-text);
  overflow: hidden;
  padding: var(--space-2) var(--space-2) var(--space-6);
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}

.hero-copy {
  grid-column: 1;
}

/* .hero-visual {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
} */

.hero-visual {
  position: relative;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;

  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;

  -webkit-mask-image: radial-gradient(
    ellipse at center,
    #000 82%,
    rgba(0, 0, 0, 0.9) 93%,
    transparent 100%
  );

  mask-image: radial-gradient(
    ellipse at center,
    #000 82%,
    rgba(0, 0, 0, 0.9) 93%,
    transparent 100%
  );
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 0 4px rgba(46, 158, 109, 0.15);
}

.hero h1 {
  font-size: var(--fs-3xl);
  color: var(--color-text);
  margin-top: var(--space-2);
  font-weight: 600;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-orange);
}



.hero-lead {
  margin-top: var(--space-3);
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
  font-family: var(--font-body);
}

.hero-cta {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-strong);
}

.hero-stat .num {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--color-text);
  font-weight: 600;
}
.hero-stat .label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

/* Hero visual: continuous power waveform vs grid outage — light card */
.hero-visual {
  position: relative;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  overflow: hidden;
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.18);
}

.hero-visual-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-visual-head .status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-green);
}
.hero-visual-head .status .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--color-green);
}

.hero-visual svg { width: 100%; height: auto; }

.hero-visual-legend {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-2);
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.hero-visual-legend span { display: inline-flex; align-items: center; gap: 6px; }
.hero-visual-legend .sw { width: 14px; height: 2px; }

/* @media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .hero-stats { gap: var(--space-3); flex-wrap: wrap; }
} */

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-visual {
    grid-column: 1;
  }

  .hero-visual {
    margin-top: var(--space-4);
  }
}

body.menu-opened {
  overflow: hidden;
  position: fixed;
  width: 100%;
}