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

:root {
  --bg:          #0d1117;
  --bg-alt:      #161b22;
  --card:        #21262d;
  --card-hover:  #2d333b;

  --accent:       #58a6ff;
  --accent-hover: #79b8ff;
  --accent-2:     #3fb950;
  --accent-3:     #a371f7;
  --accent-4:     #f0883e;

  --text:        #e6edf3;
  --text-muted:  #8b949e;

  --border:   #30363d;
  --border-2: #484f58;

  --radius:    12px;
  --radius-sm:  6px;
  --transition: 0.25s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---- Layout ---- */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
  gap: 3.5rem;
}

/* ---- Header ---- */
.header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  border: 2px solid var(--border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.name {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}

.subtitle {
  font-size: 1rem;
  color: var(--text-muted);
}

/* ---- Grid ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 340px));
  gap: 1.25rem;
  justify-content: center;
  width: 100%;
  max-width: 760px;
}

/* ---- Card ---- */
.card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card--active {
  cursor: pointer;
}

.card--active:hover {
  background: var(--card-hover);
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(88, 166, 255, 0.12);
}

.card--soon {
  opacity: 0.5;
  cursor: default;
}

.card-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon--blue   { background: rgba(88,  166, 255, 0.12); color: var(--accent);   }
.card-icon--green  { background: rgba(63,  185,  80, 0.12); color: var(--accent-2); }
.card-icon--purple { background: rgba(163, 113, 247, 0.12); color: var(--accent-3); }
.card-icon--orange { background: rgba(240, 136,  62, 0.12); color: var(--accent-4); }

.card-icon svg {
  width: 22px;
  height: 22px;
}

.card-body {
  flex: 1;
  min-width: 0;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.35rem;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  background: var(--bg-alt);
  color: var(--text-muted);
  border: 1px solid var(--border);
  letter-spacing: 0.3px;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.card-arrow {
  flex-shrink: 0;
  align-self: center;
  color: var(--accent);
  font-size: 1.2rem;
  opacity: 0;
  transform: translateX(-4px);
  transition: all var(--transition);
}

.card--active:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ---- Footer ---- */
.footer {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar        { width: 6px; }
::-webkit-scrollbar-track  { background: var(--bg); }
::-webkit-scrollbar-thumb  { background: var(--border-2); border-radius: 3px; }

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .name { font-size: 1.75rem; }
  .grid { grid-template-columns: 1fr; }
}