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

body {
  font-family: 'Inter', sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #fafafa;
}

/* --- SHARED HEADER / NAVIGATION --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-nav {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: center;
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  margin: 0;
  padding: 0;
}

.nav-menu a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 0.98rem;
  transition: background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.nav-menu a:hover {
  color: #111;
  background: rgba(106, 13, 173, 0.08);
}

.nav-menu a.active {
  color: #111;
  background: rgba(106, 13, 173, 0.12);
  box-shadow: inset 0 0 0 1px rgba(106, 13, 173, 0.08);
}

/* --- BUTTONS --- */
.btn,
.download-btn,
.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  background: linear-gradient(135deg, #6a0dad, #007aff);
  color: #fff;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 24px;
  font-weight: 600;
  transition: background 0.3s ease, transform 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn:hover,
.download-btn:hover,
.hero-btn:hover {
  background: linear-gradient(135deg, #7b1fa2, #005bb5);
  transform: translateY(-1px);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 22px;
}

/* --- GENERIC SECTIONS --- */
section {
  padding: 60px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

section h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 600;
}

section p {
  font-size: 1rem;
  max-width: 800px;
  margin: 0 auto 20px;
  text-align: center;
}

/* --- FOOTER --- */
.site-footer {
  margin-top: 40px;
  padding: 24px 20px;
  background-color: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.site-footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.9rem;
  color: #666;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.25s ease;
}

.footer-links a:hover {
  color: #6a0dad;
}

/* --- FORMS --- */
input,
textarea {
  width: 100%;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
}

/* --- STATUS MESSAGES --- */
.message {
  margin: 10px auto;
  max-width: 600px;
  text-align: center;
  font-weight: 500;
  padding: 10px;
  border-radius: 6px;
}

.success {
  background-color: #d4edda;
  color: #155724;
}

.error {
  background-color: #f8d7da;
  color: #721c24;
}

/* --- RESPONSIVE --- */
@media (max-width: 920px) {
  .site-nav {
    padding: 14px 16px;
  }

  .nav-menu {
    gap: 6px;
  }

  .nav-menu a {
    font-size: 0.95rem;
    padding: 9px 13px;
    min-height: 38px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 40px 20px;
  }

  section h2 {
    font-size: 1.6rem;
  }

  section p {
    font-size: 0.95rem;
  }

  .site-nav {
    padding: 12px 12px;
  }

  .nav-menu {
    gap: 4px;
  }

  .nav-menu a {
    font-size: 0.92rem;
    padding: 8px 11px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .site-footer-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}