/* ТОВ «ТО БІЗНЕС» — стилі лендингу */
:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-dim: #388bfd66;
  --gold: #d4a012;
  --line: 1.65;
  --max: 48rem;
  --side: 1.25rem;
  font-synthesis: none;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Noto Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: var(--line);
  font-size: 1.05rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: var(--side);
  top: var(--side);
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
}

/* Шапка */
.site-header {
  border-bottom: 1px solid var(--border);
  background: #0d1117f2;
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.9rem var(--side);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  color: var(--gold);
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  font-size: 0.92rem;
}

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

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

/* Герой */
.hero {
  max-width: 72rem;
  margin: 0 auto;
  padding: 3rem var(--side) 3.5rem;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-dim), transparent);
}

.hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.15rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 1rem;
  max-width: 22ch;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 38rem;
  margin: 0 0 1.5rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 0.55rem 1.15rem;
  background: var(--accent);
  color: #0d1117;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn:hover {
  background: #79b8ff;
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--muted);
  color: var(--text);
}

/* Сітка сторінки */
main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--side) 4rem;
}

section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

section h2 {
  font-size: 1.35rem;
  margin: 0 0 1.25rem;
  color: #f0f6fc;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}

section h3 {
  font-size: 1.08rem;
  margin: 1.75rem 0 0.6rem;
  color: #c9d1d9;
}

section p {
  margin: 0 0 1rem;
  max-width: var(--max);
  color: #c9d1d9;
}

section p:last-child {
  margin-bottom: 0;
}

/* Картки напрямів */
.grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (min-width: 700px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.35rem 1.4rem;
}

.card h3 {
  margin-top: 0;
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.card p {
  max-width: none;
  font-size: 0.98rem;
}

/* Список послуг */
.bullets {
  margin: 0.75rem 0 0;
  padding-left: 1.35rem;
  color: #c9d1d9;
  max-width: var(--max);
}

.bullets li {
  margin-bottom: 0.4rem;
}

/* Контакти */
.contacts {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 600px) {
  .contacts {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.35rem;
}

.contact-block strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.contact-block a,
.contact-block span {
  font-size: 1.02rem;
  word-break: break-word;
}

.legal {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 44rem;
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  background: #161b22aa;
  border-left: 3px solid var(--border);
  border-radius: 0 6px 6px 0;
}

/* Підвал */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem var(--side);
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
  background: #0a0c10;
}

.site-footer p {
  margin: 0.25rem 0;
  max-width: none;
}