css
/* Переменные */
:root {
  --accent: #ff6b35;
  --accent-dark: #e55a2b;
  --bg-primary: #0a0e17;
  --bg-secondary: #111623;
  --card-bg: #131a2a;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border: rgba(255,255,255,0.08);
  --shadow: 0 20px 40px rgba(0,0,0,0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset и базовые */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
  font-family: 'Inter', sans-serif; 
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10,14,23,0.95);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo__mark {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent), #ff8c42);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  color: #000;
}
.logo__text { font-size: 18px; font-weight: 600; line-height: 1.2; }
.logo__text span { font-size: 12px; opacity: 0.7; }

/* Nav */
.nav {
  display: flex;
  gap: 2rem;
}
.nav__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  position: relative;
  transition: var(--transition);
}
.nav__link:hover,
.nav__link.active {
  color: var(--text-primary);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #ff8c42);
  transition: width 0.3s ease;
}
.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* Header contacts */
.header__contacts { display: flex; gap: 1rem; align-items: center; }
.phone {
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  color: var(--text-primary);
}
.whatsapp {
  background: #25d366;
  color: white;
  padding: 8px 16px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.whatsapp:hover { background: #128c7e; transform: translateY(-1px); }

/* Hero */
.hero {
  padding: 140px 0 100px;
  background: radial-gradient(ellipse at top, rgba(255,107,53,0.1) 0%, transparent 70%);
}
.hero__content {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 4rem;
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,107,53,0.2);
  color: var(--accent);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 2rem;
}
.h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.accent { color: var(--accent); }
.hero__subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 500px;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  font-size: 16px;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), #ff8c42);
  color: #000;
  box-shadow: var(--shadow);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 25px 50px rgba(255,107,53,0.4);
}
.btn--secondary {
  color: var(--text-primary);
  border: 2px solid var(--border);
}
.btn--secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--accent);
}
.btn--large { padding: 18px 36px; font-size: 18px; }

/* Hero card */
.hero-card {
  background: var(--card-bg);
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.hero-card__img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}
.hero-card__content {
  padding: 1.5rem;
  position: relative;
  z-index: 2;
}
.hero-card__title { 
  font-size: 1.1rem; 
  font-weight: 600; 
  margin-bottom: 0.5rem; 
}
.hero-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Section */
.section { padding: 100px 0; }
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}
.h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}
.service-card {
  background: var(--card-bg);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.service-card__icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}
.service-card h3 { 
  font-size: 1.4rem; 
  margin-bottom: 1rem; 
}
.service-tags {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.service-tags span {
  background: rgba(255,255,255,0.1);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero__content { grid-template-columns: 1fr; text-align: center; }
  .hero__visual { order: -1; }
}

@media (max-width: 768px) {
  .burger { display: flex; }
  .nav { 
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 2rem;
    border-top: 1px solid var(--border);
  }
  .nav.active { display: flex; }
  .header__contacts { 
    gap: 0.5rem;
    flex-direction: column;
  }
  .hero { padding: 120px 0 60px; }
  .section { padding: 60px 0; }
}
/* ФИКС: Навигация — принудительно светлая */
.nav__link {
  color: #94a3b8 !important;  /* var(--text-secondary) */
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 15px !important;
  position: relative !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.nav__link:hover,
.nav__link.active {
  color: #f8fafc !important;  /* var(--text-primary) */
}

.nav__link::after {
  content: '' !important;
  position: absolute !important;
  bottom: -4px !important;
  left: 0 !important;
  width: 0 !important;
  height: 2px !important;
  background: linear-gradient(90deg, #ff6b35, #ff8c42) !important;
  transition: width 0.3s ease !important;
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100% !important;
}
/* Остальные стили для секций (portfolio, process и т.д.) аналогично */