:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --card: #ffffff;
  --border: #e6e6e6;
  --accent: #e9552a;
  --accent2: #2a8fe9;
  --lh: 1.6;
  --col: 78ch;
  --glass: color-mix(in srgb, var(--bg) 65%, transparent);
  --glass-border: color-mix(in srgb, var(--fg) 10%, transparent);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #0b0b0b;
    --fg: #e6e6e6;
    --muted: #a1a1a1;
    --card: #151515;
    --border: #2a2a2a;
    --glass: color-mix(in srgb, var(--bg) 40%, transparent);
    --glass-border: color-mix(in srgb, var(--fg) 12%, transparent);
  }
}
html[data-theme="dark"] {
  --bg: #0b0b0b;
  --fg: #e6e6e6;
  --muted: #a1a1a1;
  --card: #151515;
  --border: #2a2a2a;
  --glass: color-mix(in srgb, var(--bg) 40%, transparent);
  --glass-border: color-mix(in srgb, var(--fg) 12%, transparent);
}
html[data-theme="light"] {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --card: #ffffff;
  --border: #e6e6e6;
  --glass: color-mix(in srgb, var(--bg) 65%, transparent);
  --glass-border: color-mix(in srgb, var(--fg) 10%, transparent);
}

html { color-scheme: light; }
@media (prefers-color-scheme: dark) { html:not([data-theme]) { color-scheme: dark; } }
html[data-theme="dark"] { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

* { box-sizing: border-box; }
html { font: 16px/var(--lh) -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; }
body { margin: 0; background: var(--bg); color: var(--fg); }
a { color: inherit; text-decoration: underline; text-underline-offset: .2em; }

.container { max-width: var(--col); margin-inline: auto; padding: 1lh; }

/* Glass header */
header {
  position: sticky; top: 0; z-index: 100;
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
}
.topbar { display: grid; grid-template-columns: 1fr auto; align-items: start; gap: 12px; }

/* ИЗМЕНЕНИЯ ЗДЕСЬ */
.brand-wrap { display: flex; align-items: baseline; gap: 1ch; } /* Убрали flex-wrap */
.brand { font-weight: 800; letter-spacing: .2px; flex-shrink: 0; } /* Добавили flex-shrink, чтобы логотип не сжимался */
.brand .dot { color: var(--accent); }
.tagline { 
  color: var(--muted); 
  white-space: nowrap; /* Запрещаем перенос текста на новую строку */
  font-size: clamp(0.65rem, 2.5vw, 0.95rem); /* Динамический размер шрифта */
}

.actions { 
  display: flex; 
  align-items: center; 
  gap: 8px;
  position: relative;
}

.nav-toggle, .theme-toggle { 
  display: inline-flex; 
  background: none; 
  border: 1px solid var(--border); 
  border-radius: 10px; 
  padding: .4em .6em; 
  cursor: pointer;
}
.nav-toggle:focus, .theme-toggle:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

.nav {
  display: none; 
  position: absolute; 
  right: 0;
  top: calc(100% + 8px); 
  flex-direction: column;
  background: var(--card); 
  border: 1px solid var(--border); 
  border-radius: 12px; 
  padding: 8px; 
  min-width: 220px;
  box-shadow: 0 10px 30px color-mix(in srgb, var(--fg) 15%, transparent);
}
.nav.open { display: flex; }
.nav a { text-decoration: none; border-radius: 10px; padding: .5em .7em; }
.nav a:hover { background: color-mix(in srgb, var(--fg) 5%, transparent); }

footer {
  border-top: 1px solid var(--border);
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.footer-credit { margin: 1em 0 0; font-size: .9rem; }
.muted { color: var(--muted); }

h1 { font-size: clamp(2rem, 4vw, 2.6rem); line-height: 1.25; margin: 1.5lh 0 1lh; }
h2 { font-size: clamp(1.35rem, 3vw, 1.85rem); line-height: 1.3; margin: 1.25lh 0 .75lh; }
main > * { margin-block: 1lh; }
ul { padding-inline-start: 2ch; }

.grid { display: grid; gap: 18px; margin: 18px 0; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 16px;
}
.card h3 { margin: .2em 0 .5em; font-size: 20px; }

.badge { display: inline-block; font-size: .85rem; padding: .2em .55em; border-radius: 999px; border: 1px solid var(--accent); color: var(--accent); }
.btn { display: inline-flex; align-items: center; gap: .6em; padding: .6em .9em; border-radius: 12px; text-decoration: none; font-weight: 700; border: 1px solid var(--accent); color: var(--accent); }
.btn:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { filter: brightness(.95); }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { border: 1px solid var(--border); padding: .6em .7em; text-align: left; }
.table th { background: color-mix(in srgb, var(--fg) 8%, transparent); }

.sample { width: 100%; aspect-ratio: 4/3; background: linear-gradient(135deg, color-mix(in srgb, var(--fg) 8%, transparent), color-mix(in srgb, var(--fg) 2%, transparent)); border: 1px dashed var(--border); border-radius: 12px; display: grid; place-items: center; color: var(--muted); }

/* Styles for details/summary accordion on services page */
details > summary {
  cursor: pointer;
  list-style: none; /* Remove default marker */
}
details > summary::-webkit-details-marker {
  display: none; /* Remove default marker in Chrome/Safari */
}
details > summary h2 {
  display: inline-block; /* Allows the h2 to sit next to the custom marker */
  margin: 1.5rem 0 0.5rem;
}
details > summary h2::before {
  content: '► '; /* Custom marker (closed) */
  font-size: 0.8em;
  padding-right: 8px;
  color: var(--muted);
  transition: transform 0.2s ease-in-out;
  display: inline-block;
}
details[open] > summary h2::before {
  content: '▼ '; /* Custom marker (open) */
}
details .table {
    margin-top: 0;
}
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch; /* Для плавной прокрутки на iOS */
  margin: 1lh 0;
}

/* Корректировка для таблиц внутри спойлеров */
details .table-wrap {
  margin-top: 0;
}
/* Стили для кликабельного слогана в шапке */
.tagline a {
  color: inherit; /* Наследуем цвет (.muted) от родителя */
  text-decoration: none; /* Убираем подчеркивание */
}

/* Добавляем подчеркивание при наведении для обратной связи */
.tagline a:hover {
  text-decoration: underline;
  text-underline-offset: .2em;
}