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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), padding var(--transition);
  width: 100%;
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.logo span {
  color: var(--red);
}

.nav {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--white-dim);
  transition: color var(--transition);
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav a:hover {
  color: var(--white);
}

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

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

#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 80% 50%, rgba(180, 0, 20, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(212, 0, 26, 0.08) 0%, transparent 50%),
    var(--black);
}

.hero-tree {
  position: absolute;
  right: 6%;
  bottom: 0;
  width: 36%;
  opacity: 1;
  pointer-events: none;
  transform-origin: bottom center;
  animation: treeFloat 8s ease-in-out infinite;
}

@keyframes treeFloat {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(5px) rotate(0.9deg);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin-left: 6%;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s ease forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 7vw, 100px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.9s 0.35s ease forwards;
}

.hero-title .line-red {
  color: var(--red);
  display: block;
}

.hero-subtitle {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--white-dim);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 48px;
  font-weight: 400;
  opacity: 0;
  animation: fadeUp 0.9s 0.5s ease forwards;
}

.hero-stats {
  display: flex;
  gap: 48px;
  opacity: 0;
  animation: fadeUp 0.9s 0.65s ease forwards;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 900;
  line-height: 1;
  color: var(--white);
}

.stat-number .counter-suffix {
  color: var(--red);
}

.stat-label {
  font-size: 12px;
  color: var(--white-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  opacity: 0;
  animation: fadeUp 1s 1s ease forwards;
}

.hero-scroll-line {
  width: 40px;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--red);
  animation: scrollLine 2s ease-in-out infinite 1.5s;
}

@keyframes scrollLine {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile header */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

@media (max-width: 900px) {
  .site-header {
    padding: 18px 24px;
  }

  .hero-content {
    margin-left: 0;
  }

  .hero-tree {
    display: none;
  }

  .site-header.scrolled {
    padding: 14px 24px;
  }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    /* было 999, поднять выше nav-toggle */
    background: rgba(10, 10, 10, 0.97);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav a {
    font-size: 20px;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  #hero {
    padding: 100px 24px 60px;
  }

  .hero-tree {
    opacity: 0.3;
    right: -5%;
  }

  .hero-stats {
    gap: 28px;
    flex-wrap: wrap;
  }

  .hero-scroll {
    left: 24px;
  }
}