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

:root {
  --bg: #0d0f14;
  --surface: #161a23;
  --border: #252a36;
  --accent: #6c8fff;
  --accent2: #a78bfa;
  --text: #e8eaf0;
  --muted: #7a8099;
  --radius: 14px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  text-align: center;
  padding: 3rem 1rem 2rem;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text);
}
.logo span { color: var(--accent); }

.tagline {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Main */
main {
  flex: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  width: 100%;
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeUp 0.6s ease both;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text) 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  padding: 0.8rem 2.2rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 20px rgba(108,143,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(108,143,255,0.45);
}
.btn-primary:active { transform: translateY(0); }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, border-color 0.2s;
}
.card.visible {
  opacity: 1;
  transform: translateY(0);
}
.card:hover { border-color: var(--accent); }

.icon { font-size: 2rem; margin-bottom: 0.8rem; }
.card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }

/* Counter */
.counter-section {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease 0.3s, transform 0.5s ease 0.3s;
}
.counter-section.visible { opacity: 1; transform: translateY(0); }

.counter-section h2 { margin-bottom: 0.5rem; }
.counter-desc { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.8rem; }

.counter {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.6rem 1.2rem;
}

.counter-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 1.6rem;
  font-weight: 700;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.1s;
}
.counter-btn:hover { background: rgba(108,143,255,0.12); }
.counter-btn:active { transform: scale(0.9); }

.counter-value {
  font-size: 2.4rem;
  font-weight: 800;
  min-width: 3rem;
  text-align: center;
  transition: transform 0.1s;
}
.counter-value.bump { transform: scale(1.25); }

.counter-label {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
  min-height: 1.2em;
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}