/* Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Arial", "Helvetica Neue", sans-serif;
  background: #f2f2f2;
  color: #111;
  line-height: 1.4;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  padding: 0 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
.header {
  border-bottom: 1px solid #ccc;
  background: #e6e6e6;
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 64px;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.1em;
}

.nav {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  text-transform: uppercase;
}

/* Hero */
.hero {
  background: #d9d9d9;
  padding: 4rem 0;
}

.hero__title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 0.95;
  margin: 0 0 1rem;
}

.hero__subtitle {
  max-width: 320px;
  font-size: 1rem;
}

/* Sections */
section {
  padding: 3rem 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Advantages */
.advantages__grid {
  display: grid;
  gap: 2rem;
}

.advantage {
  border-left: 4px solid #111;
  padding-left: 1rem;
}

.advantage__index {
  font-size: 0.75rem;
  font-weight: 700;
  opacity: 0.6;
}

/* Cases */
.cases__list {
  display: grid;
  gap: 1.5rem;
}

.case {
  background: #e0e0e0;
  padding: 1.5rem;
  border: 1px solid #ccc;
}

/* Pricing */
.pricing__grid {
  display: grid;
  gap: 1.5rem;
}

.price-card {
  border: 2px solid #111;
  padding: 2rem;
  text-align: center;
}

.price-card--accent {
  background: #111;
  color: #f2f2f2;
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
}

/* FAQ */
.faq__list {
  display: grid;
  gap: 1.5rem;
}

.faq-item {
  border-bottom: 1px solid #ccc;
  padding-bottom: 1rem;
}

/* Contacts */
.contacts {
  background: #d0d0d0;
}

.contacts__text {
  font-size: 1.125rem;
  font-weight: 600;
}

/* Footer */
.footer {
  background: #111;
  color: #f2f2f2;
  padding: 1.5rem 0;
}

.footer__inner {
  text-align: center;
  font-size: 0.875rem;
}

/* Responsive */
@media (min-width: 768px) {
  .hero__title {
    font-size: 4.5rem;
  }

  .advantages__grid,
  .pricing__grid,
  .cases__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .faq__list {
    grid-template-columns: repeat(2, 1fr);
  }
}