* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  background: #ffffff;
  color: #1f2933;
  line-height: 1.65;
}

/* HERO */
.hero {
  padding: 90px 20px 110px;
  text-align: center;
  background: linear-gradient(180deg, #1b3652 0%, #162b42 100%);
  color: #ffffff;
}

.brand {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}

.logo {
  width: 46px;
  height: 46px;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.tagline {
  font-size: 18px;
  max-width: 760px;
  margin: 0 auto 20px;
  opacity: 0.92;
}

/* FREE BADGE */
.badge {
  display: inline-block;
  margin-bottom: 34px;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

/* BUTTONS */
.buttons {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 30px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
  opacity: 0.96;
}

.primary {
  background: #ffffff;
  color: #1b3652;
}

.secondary {
  background: transparent;
  border: 2px solid #ffffff;
  color: #ffffff;
}

/* SECTIONS */
.section {
  max-width: 1040px;
  margin: 80px auto;
  padding: 0 22px;
}

.section h2 {
  font-size: 32px;
  margin-bottom: 26px;
  text-align: center;
  letter-spacing: -0.3px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.feature {
  padding: 22px;
  border-radius: 16px;
  background: #f3f6f9;
  text-align: center;
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

/* LIGHT SECTION */
.light {
  background: #f8fafc;
  padding: 90px 20px;
}

.steps {
  max-width: 520px;
  margin: 0 auto;
  font-size: 18px;
}

.steps li {
  margin-bottom: 16px;
}

/* SECURITY NOTE */
.note {
  margin-top: 18px;
  font-size: 14px;
  color: #4b5563;
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 48px 20px;
  font-size: 14px;
  color: #6b7280;
}

.version {
  font-weight: 600;
  color: #374151;
}

.builder {
  font-size: 14px;
  margin-top: 6px;
  opacity: 0.85;
}

.muted {
  margin-top: 6px;
  opacity: 0.65;
}