/* ===========================
   RESET & BASE
=========================== */
body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5 {
  font-weight: 600;
}

/* ===========================
   NAVBAR
=========================== */
.navbar {
  transition: background-color 0.3s ease;
}

.navbar.scrolled {
  background-color: rgba(0, 0, 0, 0.85);
}

.navbar-brand {
  font-size: 1.25rem;
}

/* ===========================
   HERO SECTION
=========================== */
.hero {
  min-height: 100vh;
  background: url("assets/hero-bg.jpg") center center / cover no-repeat;
  position: relative;
  text-align: center;
}

.hero .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
}

.hero h1, .hero p {
  text-shadow: 0 2px 4px rgba(0,0,0,0.6);
}

.hero .btn {
  margin-top: 1rem;
}

/* ===========================
   SECTION TITLES
=========================== */
.section-title {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 700;
}

/* ===========================
   SERVICES CARDS
=========================== */
.card-img-top {
  object-fit: cover;
  height: 200px;
}

.card-body {
  padding: 1.25rem;
}

/* ===========================
   ENGAGEMENTS
=========================== */
#tech ul {
  max-width: 700px;
  margin: 0 auto;
}

#tech li {
  font-size: 1rem;
}

/* ===========================
   CONTACT FORM
=========================== */
#contact label {
  font-weight: 500;
}

#contact .btn-lg {
  width: 100%;
}

/* ===========================
   FOOTER
=========================== */
footer {
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

/* ===========================
   RESPONSIVE ADJUSTMENTS
=========================== */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero p {
    font-size: 1.2rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  nav .navbar-nav {
    text-align: center;
  }
  .card-img-top {
    height: 180px;
  }
}