:root {
  --bg: #171a21;
  --bg-alt: #1f232c;
  --accent: #f2b134;
  --accent-soft: rgba(242, 177, 52, 0.12);
  --danger: #e5675f;
  --success: #6fcf97;
  --text: #eceae4;
  --text-muted: #8b909c;
  --border: #2c313c;
  --mono: 'JetBrains Mono', monospace;
  --display: 'Space Grotesk', sans-serif;
  --body-font: 'Inter', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body-font);
  line-height: 1.6;
}

a { color: inherit; }

.eyebrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.15;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 2.5rem; }
h3 { font-size: 1.15rem; margin-bottom: 0.5rem; font-weight: 600; }

/* Navigation */
.nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(23, 26, 33, 0.9);
  backdrop-filter: blur(6px);
  z-index: 10;
}
.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.nav__logo {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.05rem;
}
.nav__logo-accent { color: var(--accent); }
.nav__links { display: flex; gap: 1.8rem; }
.nav__links a { text-decoration: none; color: var(--text-muted); font-size: 0.95rem; }
.nav__links a:hover { color: var(--text); }
.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero__sub {
  color: var(--text-muted);
  margin: 1.3rem 0 2rem;
  max-width: 46ch;
}
.button {
  display: inline-block;
  background: var(--accent);
  color: #171a21;
  font-weight: 600;
  padding: 0.85rem 1.6rem;
  border-radius: 6px;
  text-decoration: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.15s ease;
}
.button:hover { transform: translateY(-2px); }

/* Demo (было/стало) */
.demo {
  background: #0f1116;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  padding: 1.2rem;
}
.demo__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.demo__label {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.demo.is-clean .demo__label {
  color: var(--success);
  border-color: var(--success);
}
.demo__toggle {
  background: none;
  border: none;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.85rem;
  cursor: pointer;
}

.demo__sheet {
  display: grid;
  gap: 0.4rem;
}
.row {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  position: relative;
  transition: opacity 0.3s ease, transform 0.3s ease, max-height 0.3s ease;
}
.row--head { color: var(--text-muted); font-weight: 500; }

.row--messy {
  background: rgba(229, 103, 95, 0.06);
  color: #c9ccd3;
}
.row--messy:nth-child(3) { transform: rotate(-0.6deg); }
.row--messy:nth-child(5) { transform: rotate(0.5deg); color: var(--text-muted); }
.row--dup { border: 1px dashed var(--danger); }
.tag {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.65rem;
  color: var(--danger);
  text-transform: uppercase;
}

.row--clean {
  background: rgba(111, 207, 151, 0.08);
  display: none;
}

.demo.is-clean .row--messy { display: none; }
.demo.is-clean .row--clean { display: grid; }
.demo.is-clean .row--clean:first-child {
  color: var(--text-muted);
  background: none;
}

.demo__footer {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.demo.is-clean .demo__footer::after {
  content: " · готово за 8 секунд";
  color: var(--success);
}

/* Services */
.services, .process, .contact {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.8rem;
}
.card__mark {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
}
.card p { color: var(--text-muted); font-size: 0.95rem; }

/* Process */
.process__list { list-style: none; display: flex; flex-direction: column; gap: 2rem; }
.process__list li { display: flex; gap: 1.5rem; align-items: flex-start; }
.process__num {
  font-family: var(--mono);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 2.2rem; height: 2.2rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.process__list p { color: var(--text-muted); }

/* Contact — центрируем всё содержимое секции */
.contact {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.contact__btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.4rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.contact__btn:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.contact__icon {
  font-size: 1.2rem;
  color: var(--accent);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}


/* Текстовые страницы (политика и т.п.) */
.policy {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}
.policy h1 { margin-bottom: 1.5rem; }
.policy h3 { margin-top: 2rem; color: var(--accent); }
.policy p { color: var(--text-muted); margin-bottom: 0.5rem; }

/* ===== Адаптив: планшет (781px – 1024px) ===== */
@media (max-width: 1024px) {
  .hero {
    gap: 2rem;
    padding: 4rem 1.5rem;
  }
  .services__grid {
    gap: 1.2rem;
  }
  .card { padding: 1.5rem; }
}

/* ===== Адаптив: мобильные (до 780px) ===== */
@media (max-width: 780px) {
  .nav__toggle { display: block; }

  .nav__links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 1rem;
    z-index: 20;
  }

  .nav__links.is-open {
    display: flex;
    align-items: center;
    text-align: center;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 3rem;
  }
  .services__grid { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr 1fr 0.7fr; font-size: 0.72rem; }
  .contact__buttons { flex-direction: column; width: 100%; }
  .contact__btn { justify-content: center; }

  .policy h1 {
    font-size: 1.7rem;
  }
}

/* ===== Адаптив: очень маленькие экраны (до 380px) ===== */
@media (max-width: 380px) {
  h1 { font-size: 1.9rem; }
  .demo__sheet .row { font-size: 0.65rem; }
}



/* Блог: список статей */
.blog-list {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
}

.blog-list h1 {
  margin-bottom: 2.5rem;
}

.blog-list__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
}
.blog-card {
  display: block;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.6rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.blog-card h3 { color: var(--text); margin-bottom: 0.5rem; }
.blog-card p { color: var(--text-muted); font-size: 0.95rem; }

.blog-back {
  display: inline-block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  transition: color 0.15s ease;
}
.blog-back:hover { color: var(--accent); }


.blog-preview {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}
.blog-preview__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.blog-preview__link {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.95rem;
}
.blog-preview__link:hover { text-decoration: underline; }