* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

/* HERO */
.hero {
  height: 100vh;
  background: url("work7.jpg") center/cover no-repeat;
  position: relative;
  color: white;
}

.hero-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
}

.hero-content {
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  padding: 40px;
  max-width: 700px;
}

.hero h1 {
  font-size: 40px;
}

.hero-list {
  margin: 20px 0;
  display: grid;
  gap: 10px;
}

.hero-btns {
  display: flex;
  gap: 10px;
}

.btn {
  padding: 12px 20px;
  border-radius: 6px;
  color: white;
  text-decoration: none;
}

.orange { background: orange; }
.green { background: #2ecc71; }

/* SERVICES */
.services {
  padding: 80px 20px;
  text-align: center;
  background: #f5f5f5;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 20px;
  max-width: 1100px;
  margin: auto;
}

.card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card h3 {
  margin: 10px;
}

.card p {
  color: gray;
  margin-bottom: 15px;
}

/* WHY */
.why {
  background: linear-gradient(135deg,#0a1f3c,#12386b);
  color: white;
  padding: 80px 20px;
}

.why-box {
  display: flex;
  gap: 50px;
  max-width: 1100px;
  margin: auto;
}

.left ul {
  list-style: none;
}

.left li {
  margin: 10px 0;
}

.right img {
  width: 100%;
  margin-top: 15px;
  border-radius: 10px;
}

/* MOBILE */
@media(max-width:768px){
  .hero h1 { font-size: 28px; }
  .why-box { flex-direction: column; }
}
.services {
  padding: 80px 20px;
  background: #f4f6fb;
  text-align: center;
}

.services .sub {
  color: gray;
  margin-bottom: 30px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: 20px;
  max-width: 1100px;
  margin: auto;
}

.service-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  transition: 0.3s;
  text-align: left;
}

.service-card:hover {
  transform: translateY(-5px);
}

.service-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.service-card .content {
  padding: 15px;
}

.service-card h3 {
  margin-bottom: 5px;
}

.service-card p {
  color: gray;
  font-size: 14px;
  margin-bottom: 10px;
}

.btn-blue {
  display: inline-block;
  background: #1f3b63;
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
}
.lightbox {
  display: none;
  position: fixed;
  z-index: 999;
  padding-top: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.9);
}

.lightbox img {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80%;
}

.close {
  position: absolute;
  top: 20px;
  right: 40px;
  color: white;
  font-size: 40px;
  cursor: pointer;
}
.why-us {
  background: #16365c;
  color: #fff;
  padding: 60px 20px;
}

.why-us .container {
  display: grid;
  grid-template-columns: 1fr 1.5fr 2fr;
  gap: 30px;
  align-items: center;
}

.why-left h2,
.why-center h2 {
  margin-bottom: 15px;
}

.why-left ul {
  list-style: none;
  padding: 0;
}

.why-left li {
  margin-bottom: 10px;
}

.why-center p {
  line-height: 1.6;
}

.why-right img {
  width: 100%;
  border-radius: 15px;
}
.why-us {
  background: linear-gradient(rgba(10,30,60,0.9), rgba(10,30,60,0.9)),
              url('work7.jpg');
  background-size: cover;
  background-position: center;
}

.contact {
  background: linear-gradient(rgba(10,30,60,0.9), rgba(10,30,60,0.9)),
              url('work1.jpg');
  background-size: cover;
  padding: 80px 20px;
  color: white;
  text-align: center;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 1000px;
  margin: auto;
}

.contact-info {
  background: rgba(255,255,255,0.1);
  padding: 25px;
  border-radius: 15px;
  text-align: left;
}

.contact-info a {
  color: #00ffcc;
  text-decoration: none;
}

.line-btn {
  display: inline-block;
  margin-top: 15px;
  background: #00c300;
  color: white;
  padding: 10px 20px;
  border-radius: 10px;
}

.contact-map {
  border-radius: 15px;
  overflow: hidden;
  height: 300px;
}
/* ===== CONTACT ใหม่ ===== */
.contact {
  background: linear-gradient(rgba(10,30,60,0.9), rgba(10,30,60,0.9)),
              url('work1.jpg');
  background-size: cover;
  background-position: center;
  padding: 80px 20px;
  color: white;
  text-align: center;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 1100px;
  margin: auto;
  align-items: center;
}

.contact-info {
  background: rgba(255,255,255,0.1);
  padding: 30px;
  border-radius: 15px;
  text-align: left;
  backdrop-filter: blur(10px);
}

.contact-info a {
  color: #00ffcc;
}

.line-btn {
  display: inline-block;
  margin-top: 15px;
  background: #00c300;
  color: white;
  padding: 10px 20px;
  border-radius: 10px;
}

.contact-map {
  border-radius: 15px;
  overflow: hidden;
  height: 300px;
}

/* ===== MOBILE ===== */
@media(max-width:768px){
  .contact-container {
    grid-template-columns: 1fr;
  }
}
.highlight {
  margin-top: 10px;
  font-size: 15px;
  color: #ddd;
  line-height: 1.6;
}