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

/* GLOBAL */
body {
  font-family: 'Montserrat', sans-serif;
  background: #101010;        /* Graphite base */
  color: #e0e0e0;
  line-height: 1.55;
}

/* NAVIGATION */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: 70px;
  padding: 0 30px;
  display: flex;
  align-items: center;
  gap: 20px;

  background: rgba(20,20,20,0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 50;
}

.nav-back {
  text-decoration: none;
  color: #3ad089;   /* muted tactical green */
  font-weight: 600;
  font-size: 1rem;
}

.nav-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: #f4f4f4;
}

/* HERO */
.hero {
  padding-top: 70px; /* reduced from 140px */
  padding-bottom: 15px;
  text-align: center;

  /* Subtle radial spotlight */
  background: radial-gradient(circle at center,
      rgba(255,255,255,0.03),
      rgba(18,18,18,1) 70%);
}

.hero-inner h1 {
  font-size: 2.4rem;
  font-weight: 700;
  color: #fafafa;
}

.hero-inner p {
  margin-top: 10px;
  font-size: 1.05rem;
  color: #c6c6c6;
}

/* CONTENT WRAPPER */
.content {
  max-width: 900px;
  margin: 40px auto 80px auto;
  padding: 0 20px;
}

/* SECTION TITLES */
.category-title {
  font-size: 1.7rem;
  color: #f5f5f5;
  margin-bottom: 30px;
  font-weight: 600;
  letter-spacing: 0.4px;
}

/* SERVICE CARDS */
.service-card {
  background: #1e1e1e;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 6px;
  padding: 26px;
  margin-bottom: 18px;

  transition: border-color 0.25s ease,
              background 0.25s ease;
}

.service-card:hover {
  background: #232323;
  border-color: #3ad089;  /* premium green accent */
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #3ad089;
  margin-bottom: 6px;
}

.service-card p {
  color: #d2d2d2;
  font-size: 0.95rem;
}

/* FOOTER */
.footer {
  padding: 40px;
  text-align: center;
  color: #777;
  font-size: 0.9rem;
}

/* FEATURED IMAGE BANNER (Premium Graphite Style) */
.service-image-banner {
  width: 100%;
  margin: 0 auto 60px auto;
}

.service-image-banner img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 10px;
  filter: brightness(0.90) contrast(1.05);
  box-shadow: 0 6px 22px rgba(0,0,0,0.45);
}

/* ACCORDION BASE */
.accordion {
  max-width: 900px;
  margin: 0 auto;
}

.accordion .item {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.accordion-header {
  width: 100%;
  background: #1d1d1d;
  color: #e8e8e8;
  padding: 18px 20px;
  text-align: left;
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.25s ease;
}

.accordion-header:hover {
  background: #232323;
}

.accordion-header.open {
  color: #39d98a;
  background: #232323;
}

/* arrow effect */
.accordion-header::after {
  content: "›";
  float: right;
  transition: transform 0.25s ease;
  font-size: 1.4rem;
  opacity: 0.7;
}

.accordion-header.open::after {
  transform: rotate(90deg);
  opacity: 1;
}

/* BODY */
.accordion-body {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: max-height 0.3s ease-out;
  background: #1b1b1b;
  border-radius: 0 0 6px 6px;
}

.accordion-body p {
  padding: 16px 0 20px 0;
  color: #cfcfcf;
  font-size: 0.95rem;
  line-height: 1.55;
}