/* =========================
   GLOBAL RESET
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, sans-serif;
}

body {
  background-color: #f5f7fb;
  color: #1f2937;
  line-height: 1.6;
}

/* =========================
   NAVBAR
========================= */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 60px;
  background-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.navbar .logo img {
  height: 45px;
}

/* =========================
   HERO SECTION (BILLING)
========================= */
.page-hero {
  text-align: center;
  padding: 80px 20px 55px;

  /* Gradient overlay + image */
  background:
    linear-gradient(135deg, rgba(22,163,74,0.85), rgba(42,82,152,0.85)),
    url("../assets/billing-bg.png");

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  color: #ffffff;
}


.page-hero h1 {
  font-size: 36px;
  margin-bottom: 15px;
}

.page-hero p {
  max-width: 750px;
  margin: auto;
  font-size: 18px;
  opacity: 0.95;
}


.back-btn {
  display: inline-block;
  margin-bottom: 30px;
  padding: 8px 14px;
  background-color: #16a34a;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  transition: background 0.3s, transform 0.3s;
}

.back-btn:hover {
  background-color: #15803d;
  transform: translateX(-4px);
}


/* =========================
   PROJECT DETAILS
========================= */
.project-details {
  max-width: 900px;
  margin: 60px auto;
  padding: 0 20px;
  animation-delay: 0.2s;
}

.project-details h2 {
  font-size: 26px;
  margin-bottom: 12px;
  color: #111827;
}

.project-details p {
  margin-bottom: 25px;
  font-size: 16px;
  color: #374151;
}

.project-details ul {
  padding-left: 22px;
  margin-bottom: 35px;
}

.project-details ul li {
  margin-bottom: 10px;
  font-size: 16px;
  list-style: disc;
}

.dashboard-preview {
  margin: 40px 0;
  text-align: center;
}

.dashboard-preview img {
  width: 100%;
  max-width: 900px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.15);
  transition: transform 0.3s ease;
}

.dashboard-preview img:hover {
  transform: scale(1.02);
}


/* =========================
   FEATURE HIGHLIGHT (OPTIONAL)
========================= */
.project-details ul li::marker {
  color: #16a34a;
}


.project-details h2 {
  animation-delay: 0.4s;
}

.project-details p {
  animation-delay: 0.6s;
}

.project-details ul {
  animation-delay: 0.8s;
}

.project-details li {
  animation-delay: 1s;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}




/* =========================
   SCROLL ANIMATION
========================= */
.project-details,
.project-details h2,
.project-details p,
.project-details ul,
.project-details li {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 2s ease forwards;
}


/* =========================
   FOOTER
========================= */
footer {
  text-align: center;
  padding: 20px;
  background-color: #ffffff;
  color: #6b7280;
  font-size: 14px;
  margin-top: 60px;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {
  .navbar {
    padding: 15px 20px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .page-hero p {
    font-size: 16px;
  }

  .project-details {
    margin: 40px auto;
  }
}