/* ============ Контейнеры и секции ============ */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 820px; }

.section {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 8px);
}
.section--hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
}

/* ============ Хедер ============ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(13, 17, 23, .72);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: grid; gap: 2px; }
.brand__name { font-weight: 700; letter-spacing: -.01em; }
.brand__role { font-size: 12px; color: var(--muted); line-height: 1.4; }

.header__right { display: flex; align-items: center; gap: 28px; }
.nav { display: flex; gap: 20px; }

/* ============ Сетки ============ */
.grid { display: grid; gap: 20px; margin-top: 32px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ============ Hero ============ */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: 56px;
  align-items: center;
}
.hero__title {
  font-size: var(--h1);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -.02em;
}
.hero__lead { color: var(--muted); margin-top: 20px; max-width: 62ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 14px; }

/* ============ Футер ============ */
.footer { padding: 40px 0; border-top: 1px solid var(--line); }
.footer__inner { text-align: center; display: grid; gap: 6px; }
.footer__year { color: var(--muted); }
.footer__links { display: flex; gap: 12px; justify-content: center; color: var(--muted); margin-top: 6px; }
.footer__links a { color: var(--text); border-bottom: 1px solid var(--line); }
.footer__links a:hover { border-color: var(--accent); color: var(--accent); }
.footer .note { margin-top: 10px; }

/* ============ Планшет ============ */
@media (max-width: 1023px) {
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .header__right { gap: 18px; }
  .nav { gap: 14px; }
}

/* ============ Мобильный ============ */
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }

  .header__right {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t) var(--ease), transform var(--t) var(--ease);
  }
  .header__right.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav { flex-direction: column; gap: 12px; width: 100%; }
}