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

body {
  font-family: "Segoe UI", Arial, sans-serif;
  color: #1f2933;
  background: #ffffff;
  line-height: 1.7;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

/* ================= HEADER ================= */
.main-header {
  background: #0a1a2f;
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.logo h1 {
  font-size: 26px;
  letter-spacing: 2px;
}

.logo span {
  font-size: 12px;
  color: #ff9800;
}

.main-nav ul {
  list-style: none;
  display: flex;
}

.main-nav ul li {
  margin-left: 25px;
}

.main-nav ul li a {
  color: #ffffff;
  font-size: 15px;
  transition: color 0.3s;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
  color: #ff9800;
}

/* ================= HERO ================= */
.ai-hero {
  background: linear-gradient(
      rgba(10, 26, 47, 0.85),
      rgba(10, 26, 47, 0.85)
    ),
    url("assets/images/ai-hero.jpg");
  background-size: cover;
  background-position: center;
  padding: 120px 0;
  color: #ffffff;
  text-align: center;
}

.ai-hero h1 {
  font-size: 48px;
  margin-bottom: 15px;
}

.ai-hero p {
  font-size: 18px;
  max-width: 900px;
  margin: auto;
}

.btn-primary {
  display: inline-block;
  margin-top: 30px;
  padding: 15px 36px;
  background: #ff9800;
  color: #ffffff;
  font-weight: 600;
  border-radius: 4px;
  transition: background 0.3s, transform 0.3s;
}

.btn-primary:hover {
  background: #e68900;
  transform: translateY(-3px);
}

/* ================= INTRO ================= */
.ai-intro {
  padding: 90px 0;
  text-align: center;
}

.ai-intro h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.ai-intro p {
  max-width: 950px;
  margin: auto;
  font-size: 17px;
}

/* ================= CAPABILITIES ================= */
.ai-capabilities {
  background: #f4f6f9;
  padding: 90px 0;
}

.ai-capabilities h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 50px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.capability-box {
  background: #ffffff;
  padding: 35px;
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s;
}

.capability-box:hover {
  transform: translateY(-8px);
}

.capability-box h3 {
  color: #0a1a2f;
  margin-bottom: 12px;
  font-size: 20px;
}

.capability-box p {
  font-size: 15px;
}

/* ================= PROCESS ================= */
.ai-process {
  padding: 90px 0;
}

.ai-process h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 50px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.step {
  background: #0a1a2f;
  color: #ffffff;
  padding: 35px;
  border-radius: 6px;
  position: relative;
}

.step span {
  font-size: 40px;
  font-weight: 700;
  color: #ff9800;
}

.step h4 {
  margin: 15px 0 10px;
  font-size: 18px;
}

.step p {
  font-size: 14px;
  color: #e0e0e0;
}

/* ================= USE CASES ================= */
.ai-usecases {
  background: #f4f6f9;
  padding: 80px 0;
}

.ai-usecases h2 {
  text-align: center;
  font-size: 34px;
  margin-bottom: 40px;
}

.usecase-list {
  max-width: 700px;
  margin: auto;
  list-style: none;
}

.usecase-list li {
  background: #ffffff;
  margin-bottom: 15px;
  padding: 18px 25px;
  border-left: 6px solid #ff9800;
  font-size: 16px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

/* ================= CTA ================= */
.ai-cta {
  background: linear-gradient(to right, #102f5e, #0a1a2f);
  color: #ffffff;
  padding: 80px 0;
  text-align: center;
}

.ai-cta h2 {
  font-size: 36px;
}

.ai-cta p {
  margin: 20px 0;
  font-size: 18px;
}

/* ================= FOOTER ================= */
.main-footer {
  background: #0a1a2f;
  color: #cccccc;
  padding-top: 50px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.main-footer h3,
.main-footer h4 {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid #333;
  margin-top: 30px;
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {
  .ai-hero h1 {
    font-size: 34px;
  }

  .btn-primary {
    padding: 12px 26px;
  }
}