/* =========================================
   Базові налаштування (Dark Neon / Cyberpunk)
========================================= */
:root {
  --bg-color: #0b0f19;          /* Глибокий темний фон */
  --card-bg: rgba(20, 27, 45, 0.7); /* Напівпрозорі темні картки */
  --text-main: #e2e8f0;         /* Світло-сірий текст */
  --text-muted: #94a3b8;        /* Приглушений текст */
  
  /* Неонові акценти */
  --accent-cyan: #00f0ff;       
  --accent-purple: #b026ff;
  --accent-green: #00ff66;
  --accent-red: #ff003c;
  
  --border-color: #1e293b;
  
  /* Світіння */
  --glow-cyan: 0 0 12px rgba(0, 240, 255, 0.3);
  --glow-purple: 0 0 12px rgba(176, 38, 255, 0.3);
  --glow-red: 0 0 12px rgba(255, 0, 60, 0.3);
}

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

body {
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(0, 240, 255, 0.04), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(176, 38, 255, 0.04), transparent 25%);
  color: var(--text-main);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* =========================================
   Макет та Хедер
========================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px 40px;
}

header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

/* Бейдж в хедері */
.badge {
  display: inline-block;
  background: transparent;
  color: var(--accent-cyan);
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  border: 1px solid var(--accent-cyan);
  border-radius: 4px;
  box-shadow: var(--glow-cyan);
}

header h1 {
  font-size: 3.5rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(176, 38, 255, 0.2);
}

header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* =========================================
   Сітка карток
========================================= */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--border-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* Верхня неонова лінія на картці */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(176, 38, 255, 0.4);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5), var(--glow-purple);
}

.card:hover::before {
  opacity: 1;
}

.card.full-width {
  grid-column: 1 / -1;
}

.card h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

/* =========================================
   Списки (Особливості)
========================================= */
.features-list {
  list-style: none;
  margin-bottom: 24px;
  flex-grow: 1;
}

.features-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-main);
}

.features-list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  top: -2px;
  color: var(--accent-cyan);
  font-size: 1.2rem;
  font-weight: bold;
}

code {
  background-color: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.85em;
  border: 1px solid rgba(0, 240, 255, 0.2);
}

/* =========================================
   Кнопки
========================================= */
.btn {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1) inset;
}

.btn-primary:hover {
  background: var(--accent-cyan);
  color: #000000;
  box-shadow: var(--glow-cyan);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.5);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: rgba(176, 38, 255, 0.15);
  border-color: var(--accent-purple);
  color: #ffffff;
  box-shadow: var(--glow-purple);
}

.button-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
}

/* =========================================
   Журнал змін (Changelog)
========================================= */
.changelog-wrapper {
  border-left: 2px solid var(--border-color);
  margin-left: 8px;
  padding-left: 24px;
}

.changelog-item {
  position: relative;
}

.changelog-item::before {
  content: '';
  position: absolute;
  left: -31px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-color);
  border: 2px solid var(--accent-green);
  box-shadow: 0 0 8px rgba(0, 255, 102, 0.4);
}

.changelog-version {
  font-weight: 700;
  color: var(--accent-green);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.changelog-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.changelog-notes {
  color: var(--text-main);
  font-size: 0.95rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

/* =========================================
   Секретний блок (Тільки для своїх)
========================================= */
.secret-box {
  max-width: 650px;
  margin: 60px auto 0;
  background: rgba(255, 0, 60, 0.05);
  border: 1px solid var(--accent-red);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  box-shadow: var(--glow-red);
  position: relative;
  overflow: hidden;
}

/* Смугаста текстура небезпеки */
.secret-box::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255, 0, 60, 0.03) 10px,
    rgba(255, 0, 60, 0.03) 20px
  );
  pointer-events: none;
}

.secret-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 0 8px rgba(255, 0, 60, 0.5));
}

.secret-content h3 {
  font-size: 1.1rem;
  color: var(--accent-red);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.secret-content p {
  font-size: 0.95rem;
  color: var(--text-main);
  margin: 0;
}

.secret-content strong {
  color: #ffffff;
}

.secret-content b {
  color: var(--accent-red);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* =========================================
   Бейдж статусу
========================================= */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(0, 255, 102, 0.1);
  border: 1px solid rgba(0, 255, 102, 0.2);
  margin-bottom: 24px;
}

.status-online {
  color: var(--accent-green);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 12px var(--accent-green); }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* =========================================
   Прихований лічильник (Аналітика)
========================================= */
#hidden-view-counter {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  opacity: 0;
  pointer-events: none;
  z-index: -999;
}
/* Додаткові класи для ідеального вирівнювання широких карток */
.flex-row-card {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center; 
}
.flex-text-content {
  flex: 1 1 60%;
  min-width: 280px;
}
.flex-button-content {
  flex: 1 1 30%;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}