/* Global */
body {
  font-family: "Roboto", sans-serif;
  background-color: #f4f4f4;
}

/* ===== NAVBAR (ORIGINAL, UNCHANGED) ===== */
.navbar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent; /* fully transparent */
  z-index: 10; /* ensure it’s above hero content */
}

.navbar .nav-link {
  color: white; /* default link color */
}

.navbar .nav-link.active {
  color: #f8dd57 !important; /* active link */
}

.navbar .nav-link:hover {
  color: #f8dd57; /* hover yellow */
}

.navbar .NxGen-Header {
  color: #fff;
}

/* ===== HERO SECTION ===== */
.about-solution {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
    url("image/solution.webp") center center/cover no-repeat;
  color: white;
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: 0 1rem;
}

.hero-inner {
  max-width: 700px;
  margin: 0 auto;
}

.hero-subtitle {
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.9;
  font-weight: 300;
}

/* ===== CONTENT SECTIONS ===== */
.content-section {
  scroll-margin-top: 80px;
}

/* Section subtitle */
.section-subtitle {
  color: #6b7280;
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ===== SOLUTION CARDS ===== */
.solution-card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background-color: #ffffff;
}

.solution-card .card-header {
  background: #0f172a;
  color: #f9fafb;
  font-weight: 600;
  font-size: 1.05rem;
  border-bottom: none;
  padding: 0.8rem 1.1rem;
}

.solution-card .card-body {
  padding: 1.1rem 1.2rem 1.2rem;
}

.solution-card .card-text {
  font-size: 0.98rem;
  line-height: 1.6;
  color: #4b5563;
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.18);
}

/* ===== TYPOGRAPHY ===== */
p,
.card-text {
  font-size: 1rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 576px) {
  .about-solution {
    min-height: 60vh;
    padding-top: 4rem;
  }

  .solution-card .card-body {
    padding: 1rem;
  }
}

/* Contact Us */
.contact-us {
  margin-top: 5rem;
  background-color: #212344;
  color: white;
}

.contact-section .form-label {
  color: #e7ecf7;
}

.contact-section .form-control {
  background: transparent;
  border: 1px solid #aab0c0;
  color: #fff;
  border-radius: 0.25rem;
}

.contact-section .form-control:focus {
  background: transparent;
  color: #fff;
  border-color: #fff;
  box-shadow: none;
}

.contact-section .btn-outline-light {
  border-width: 1px;
}

/* Alert */
.alert-box {
  position: fixed;
  top: 20px;
  right: 20px;
  width: auto;
  z-index: 9999;
}