/* ============================================================
   InIProject v2 — дизайн-система
   Стиль: GitHub Dark, красный акцент, матричный дождь
   ============================================================ */

:root {
  /* GitHub Dark палитра */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-overlay: rgba(13, 17, 23, 0.85);

  /* Красный акцент (InIProject) */
  --accent: #e63946;
  --accent-hover: #ff4d5a;
  --accent-dim: #b52632;
  --accent-glow: rgba(230, 57, 70, 0.35);
  --accent-glow-strong: rgba(255, 77, 90, 0.7);

  /* Текст */
  --text-primary: #e6edf3;
  --text-secondary: #9da7b3;
  --text-muted: #6e7681;
  --text-on-accent: #ffffff;

  /* Границы */
  --border: #30363d;
  --border-soft: #21262d;

  /* Фонты */
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Размеры */
  --header-height: 60px;
  --max-width: 1200px;
  --card-radius: 8px;
  --transition: 0.25s ease;

  /* Z-index */
  --z-matrix: 0;
  --z-content: 10;
  --z-header: 100;
  --z-modal: 200;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--text-on-accent); }

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

h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.03em;
}

code, pre { font-family: var(--font-mono); }

/* ---------- MATRIX RAIN ---------- */
#matrix {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: var(--z-matrix);
  opacity: 0.09;
  pointer-events: none;
}

/* ---------- HEADER ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  padding: 0 24px;
}
.site-header .brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}
.site-header .brand .accent { color: var(--accent); }
.site-header .brand small {
  display: block;
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.25em;
  font-weight: 400;
}
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  padding: 8px 14px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: all var(--transition);
}
.site-nav a:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}
.site-nav a.active {
  color: var(--accent);
  background: var(--bg-tertiary);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  padding: 9px 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.05em;
}
.btn:hover { border-color: var(--accent); color: var(--accent-hover); transform: translateY(-1px); }
.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-on-accent);
}
.btn-accent:hover {
  background: var(--accent-hover);
  color: var(--text-on-accent);
  box-shadow: 0 0 18px var(--accent-glow);
}

/* ---------- LAYOUT ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  position: relative;
  z-index: var(--z-content);
  padding: 72px 24px;
}
.section-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
}
.section-sub {
  color: var(--text-secondary);
  margin-bottom: 32px;
  padding-left: 17px;
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 60px;
  position: relative;
  z-index: var(--z-content);
}
.hero-title {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  text-shadow: 0 0 24px var(--accent-glow);
  margin-bottom: 16px;
}
.hero-title .accent { color: var(--accent); }
.hero-title .cursor { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-slogan {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.hero-badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.hero-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
}
.hero-badge:hover { border-color: var(--accent); color: var(--accent-hover); }

/* ---------- CARDS ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 20px;
  transition: all var(--transition);
  position: relative;
}
.card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.card .card-title { font-size: 1.05rem; margin-bottom: 8px; }
.card .card-desc { color: var(--text-secondary); font-size: 0.88rem; }
.card .card-meta { margin-top: 12px; display: flex; gap: 10px; align-items: center; font-size: 0.78rem; color: var(--text-muted); }

/* ---------- TEAM GRID ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.member-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
}
.member-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 0 20px var(--accent-glow); }
.member-avatar { font-size: 3rem; display: block; margin-bottom: 12px; }
.member-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.member-role { color: var(--accent); font-size: 0.85rem; margin-bottom: 10px; }
.member-bio { color: var(--text-secondary); font-size: 0.85rem; }
.member-badges { margin-top: 12px; display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.member-badge {
  font-size: 0.7rem; padding: 3px 10px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  color: var(--text-secondary);
}

/* ---------- STATUS INDICATOR ---------- */
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.status-online { background: #3fb950; box-shadow: 0 0 8px #3fb950; }
.status-offline { background: var(--text-muted); }

/* ---------- FOOTER ---------- */
.site-footer {
  position: relative;
  z-index: var(--z-content);
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}
.site-footer .accent { color: var(--accent); }

/* ---------- TERMINAL / CODE ---------- */
.terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 16px;
  overflow: auto;
}
.terminal .prompt { color: var(--accent); }
.terminal .ok { color: #3fb950; }
.terminal .dim { color: var(--text-muted); }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ---------- BURGER MENU ---------- */
.nav-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
    z-index: 110;
}
.nav-burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .site-nav { gap: 2px; }
  .site-nav a { padding: 6px 10px; font-size: 0.78rem; }
  .hero { padding-top: 100px; }
  .section { padding: 48px 16px; }

  /* Бургер */
  .nav-burger { display: flex; }
  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    width: 240px;
    height: calc(100vh - var(--header-height));
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    margin-left: 0;
  }
  .site-nav.open { transform: translateX(0); }
  .site-nav a {
    padding: 12px 14px;
    border-radius: 6px;
    font-size: 0.95rem;
  }
  .site-nav a.btn { margin-left: 0 !important; text-align: center; }
}