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

body {
  font-family: "Segoe UI", Arial, sans-serif;
  color: #222;
  background: #ffffff;
  line-height: 1.7;
}

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

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

/* ================= HEADER / NAVBAR ================= */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;

  background: rgba(10, 26, 47, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);

  color: #fff;
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 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: #fff;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.3s;
}

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

/* ================= PAGE BANNER (FULL START) ================= */
.page-banner {
  height: 100vh;
  padding-top: 90px;

  background:
    linear-gradient(
      rgba(0, 0, 0, 0.35),
      rgba(0, 0, 0, 0.35)
    ),
    url("images/about.png") center / cover no-repeat;

  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.page-banner h1 {
  font-size: 48px;
  margin-bottom: 10px;
}

.page-banner p {
  font-size: 18px;
}

/* ================= ABOUT OVERVIEW ================= */
.about-overview {
  padding: 80px 0;
}

.about-overview h2 {
  font-size: 34px;
  margin-bottom: 25px;
  text-align: center;
}

.about-overview p {
  max-width: 900px;
  margin: 15px auto;
  font-size: 17px;
  text-align: center;
}

/* ================= VISION & MISSION ================= */
.vision-mission {
  background: #f4f6f9;
  padding: 80px 0;
}

.vm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.vm-box {
  background: #fff;
  padding: 40px;
  border-radius: 6px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.vm-box h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: #0a1a2f;
}

/* ================= COMPANY JOURNEY ================= */
.company-journey {
  padding: 80px 0;
}

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

.timeline {
  max-width: 800px;
  margin: auto;
  border-left: 4px solid #ff9800;
  padding-left: 30px;
}

.timeline-item {
  margin-bottom: 40px;
  position: relative;
}

.timeline-item::before {
  content: "";
  width: 16px;
  height: 16px;
  background: #ff9800;
  border-radius: 50%;
  position: absolute;
  left: -42px;
  top: 5px;
}

/* ================= CORE VALUES ================= */
.core-values {
  background: #f4f6f9;
  padding: 80px 0;
}

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

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}

.value-box {
  background: #fff;
  padding: 30px;
  text-align: center;
  border-radius: 6px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

/* ================= CTA ================= */
.about-cta {
  background: linear-gradient(to right, #102f5e, #0a1a2f);
  color: #fff;
  padding: 70px 0;
  text-align: center;
}

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

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

  .main-header {
    background: rgba(10, 26, 47, 0.85);
  }

  .main-nav ul {
    flex-wrap: wrap;
  }
}