:root {
  --neon: #1aff4a;
  --neon-dim: #0dcc35;
  --neon-dark: #088f22;
  --red: #e11d48;
  --bg: #050505;
  --surface: rgba(12, 14, 12, 0.85);
  --glass: rgba(255, 255, 255, 0.04);
  --border: rgba(26, 255, 74, 0.15);
  --text: #f0f0f0;
  --muted: #a0a8a0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
  width: min(1140px, calc(100% - 36px));
  margin: 0 auto;
}

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: rgba(5, 5, 5, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(26, 255, 74, 0.1);
  transition: background 0.3s;
}

.nav-wrap {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 24px;
}

.logo img {
  height: 42px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(26, 255, 74, 0.25));
}

.main-nav {
  display: flex;
  gap: 26px;
  align-items: center;
  flex: 1;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.main-nav a {
  position: relative;
  padding: 6px 0;
  color: var(--muted);
  transition: color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--neon);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 2px;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mail {
  background: rgba(255,255,255,0.95);
  color: #0a0a0a;
  height: 34px;
  padding: 0 14px;
  display: flex;
  gap: 7px;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.mail:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.social {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-dark), var(--neon-dim));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 15px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.social:hover {
  transform: scale(1.08);
  box-shadow: 0 0 18px rgba(26, 255, 74, 0.4);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: 0.25s;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: 72px;
  display: flex;
  align-items: center;
  position: relative;
  background:
    linear-gradient(105deg, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.55) 42%, rgba(0,0,0,0.2) 68%, rgba(0,0,0,0.75) 100%),
    url('images/hero-bg.png') center/cover no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 20% 60%, rgba(26,255,74,0.08), transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 80px 0;
  max-width: 580px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26, 255, 74, 0.1);
  border: 1px solid rgba(26, 255, 74, 0.25);
  color: var(--neon);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--neon), #7dff9a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--muted);
  max-width: 420px;
  margin-bottom: 32px;
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--neon-dark), var(--neon-dim));
  color: #fff;
  padding: 15px 28px;
  font-weight: 700;
  font-size: 14px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 0 1px rgba(26,255,74,0.3), 0 8px 28px rgba(26,255,74,0.25);
  transition: all 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(26,255,74,0.5), 0 12px 36px rgba(26,255,74,0.35);
  background: linear-gradient(135deg, var(--neon-dim), var(--neon));
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: none;
  color: var(--text);
  margin-left: 12px;
}

.btn-ghost:hover {
  border-color: var(--neon);
  color: var(--neon);
  background: rgba(26,255,74,0.06);
  box-shadow: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ========== SECTIONS ========== */
section {
  position: relative;
}

.section-pad {
  padding: 90px 0;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--muted);
  font-size: 1rem;
  max-width: 480px;
  margin-bottom: 40px;
}

/* ABOUT */
.about {
  background: #050505;
  padding: 90px 0 100px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 16px;
  max-width: 440px;
}

.features {
  display: grid;
  gap: 16px;
}

.feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  transition: border-color 0.25s, transform 0.25s, background 0.25s;
}

.feature:hover {
  border-color: rgba(26,255,74,0.35);
  background: rgba(26,255,74,0.04);
  transform: translateX(4px);
}

.feature img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(26,255,74,0.4));
}

.feature h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature p {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0;
}

/* SERVICES */
.services {
  padding: 90px 0 100px;
  background:
    linear-gradient(180deg, rgba(5,5,5,0.92) 0%, rgba(5,5,5,0.55) 35%, rgba(5,5,5,0.92) 100%),
    url('images/road-bg.png') center/cover no-repeat;
  position: relative;
  overflow: hidden;
}

.services .container {
  position: relative;
  z-index: 2;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  background: rgba(8, 10, 8, 0.82);
  border: 1px solid rgba(26,255,74,0.1);
  border-radius: 16px;
  padding: 24px 18px;
  text-align: center;
  transition: all 0.3s;
  backdrop-filter: blur(8px);
}

.service-card:hover {
  border-color: rgba(26,255,74,0.4);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 30px rgba(26,255,74,0.08);
}

.service-card img {
  height: 58px;
  margin: 0 auto 14px;
  filter: drop-shadow(0 0 12px rgba(26,255,74,0.45));
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

.service-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

/* WHY */
.why {
  padding: 80px 0 100px;
  background: #050505;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.why-item {
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 24px 18px;
  text-align: center;
  transition: all 0.25s;
}

.why-item:hover {
  border-color: rgba(26,255,74,0.3);
  background: rgba(26,255,74,0.05);
}

.why-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--neon-dark), var(--neon));
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  box-shadow: 0 0 16px rgba(26,255,74,0.3);
}

.why-item h3 {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

/* CONTACT / FOOTER */
.footer {
  background: #030303;
  border-top: 1px solid rgba(26,255,74,0.1);
  padding: 48px 0 28px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 28px;
}

.footer-logo img {
  height: 48px;
  filter: drop-shadow(0 0 10px rgba(26,255,74,0.2));
}

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.footer-links a:hover { color: var(--neon); }

.footer-mail {
  font-size: 14px;
  font-weight: 600;
}

.footer-mail a {
  color: var(--neon);
}

.footer-mail a:hover {
  text-decoration: underline;
}

.copyright {
  font-size: 12px;
  color: #666;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 980px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

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

  .hero-inner {
    max-width: 100%;
  }
}

@media (max-width: 680px) {
  .nav-wrap {
    height: 64px;
  }

  .logo img { height: 36px; }

  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: rgba(5,5,5,0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 16px 20px 24px;
    gap: 2px;
    border-bottom: 1px solid rgba(26,255,74,0.15);
  }

  .main-nav.open { display: flex; }

  .main-nav a {
    padding: 14px 8px;
    width: 100%;
    font-size: 15px;
  }

  .main-nav a.active::after { display: none; }

  .menu-toggle { display: flex; }

  .header-actions .mail {
    font-size: 11px;
    height: 30px;
    padding: 0 10px;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding: 50px 0 60px;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .btn-ghost {
    margin-left: 0;
  }

  .section-pad,
  .about,
  .services,
  .why {
    padding: 60px 0;
  }

  .service-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .footer-links {
    flex-direction: column;
    gap: 10px;
  }
}