/* ==== Reset & Base ==== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: #222;
  line-height: 1.6;
  background: #fff;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

h1, h2, h3 {
  font-weight: 700;
  color: #0d1b2a;
}

a {
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ==== Header ==== */
.header {
  background: #0d1b2a;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}

.logo span {
  color: #4cc9f0;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: #e0e0e0;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: #4cc9f0;
}

/* ==== Hero ==== */
.hero {
  background: linear-gradient(135deg, #0d1b2a 0%, #1b3a4b 100%);
  color: #fff;
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  color: #fff;
  font-size: 2.6rem;
  max-width: 800px;
  margin: 0 auto 20px;
}

.hero p {
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto 30px;
  color: #d0d8e0;
}

.btn {
  display: inline-block;
  background: #4cc9f0;
  color: #0d1b2a;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  background: #3ab4dc;
  transform: translateY(-2px);
}

/* ==== Services ==== */
.services {
  padding: 80px 0;
  background: #f7f9fb;
}

.services h2,
.about h2,
.contact h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
}

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

.service-card {
  background: #fff;
  padding: 35px 25px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  text-align: center;
  transition: transform 0.2s ease;
}

.service-card:hover {
  transform: translateY(-6px);
}

.service-card h3 {
  margin-bottom: 15px;
  color: #1b3a4b;
}

.service-icon {
  font-size: 2.6rem;
  color: #1b3a4b;
  margin-bottom: 15px;
  display: inline-block;
}

/* ==== About ==== */
.about {
  padding: 80px 0;
}

.about-content {
  max-width: 750px;
  text-align: center;
  margin: 0 auto;
}

.about p {
  color: #444;
}

/* ==== Contact ==== */
.contact {
  padding: 80px 0;
  background: #0d1b2a;
  color: #fff;
}

.contact h2 {
  color: #fff;
}

.contact-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px;
  color: #cdd6de;
}

/* ==== Contact Highlight ==== */
.contact-highlight {
  max-width: 600px;
  margin: 0 auto 40px;
  background: #16273a;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  text-align: center;
}

.contact-highlight h3 {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.contact-highlight-items {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}

.contact-highlight-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-highlight-item .material-icons {
  font-size: 1.8rem;
  color: #4cc9f0;
}

.contact-highlight-item .label {
  color: #cdd6de;
  font-size: 0.85rem;
  margin-bottom: 2px;
}

.contact-highlight-item .value {
  font-weight: 700;
}

.contact-highlight-item .value a {
  color: #fff;
  transition: color 0.2s ease;
}

.contact-highlight-item .value a:hover {
  color: #4cc9f0;
}

.contact-form-title {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 1rem;
  color: #cdd6de;
  margin-bottom: 24px;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: #16273a;
  padding: 40px;
  border-radius: 10px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #cdd6de;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #2c4258;
  border-radius: 6px;
  background: #0d1b2a;
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #8a9aa8;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #4cc9f0;
}

.contact-form .btn {
  width: 100%;
}

/* ==== Footer ==== */
.footer {
  background: #08131e;
  color: #9aa8b3;
  text-align: center;
  padding: 24px 0;
  font-size: 0.9rem;
}

/* ==== Responsive ==== */
@media (max-width: 600px) {
  .nav {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }

  .logo {
    text-align: center;
  }

  .nav-links {
    justify-content: center;
    gap: 14px;
  }

  .hero h1 {
    font-size: 1.9rem;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  .hero p {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  .hero {
    padding: 70px 0;
  }

  .contact-highlight-items {
    flex-direction: column;
    align-items: center;
  }
}