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

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #000;
  line-height: 1.6;
  background: #fff;
}

/* =========================
   HEADER & NAV
========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(0, 191, 99, 0.85);
}

.nav-container {
  max-width: 1200px;
  margin: auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 55px;
}

nav a {
  margin-left: 25px;
  text-decoration: none;
  color: #000;
  font-weight: 500;
}

nav a:hover {
  opacity: 0.7;
}

.nav-underline {
  height: 3px;
  background: #136d67;
}

/* =========================
   HERO SECTIONS
========================= */
.hero {
  position: relative;
  min-height: 75vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.5);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  padding: 20px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 15px;
}

.hero h1 span {
  display: block;
}

.hero-sub {
  font-style: italic;
  font-size: 1.1rem;
}

/* =========================
   SECTIONS
========================= */
section {
  padding: 70px 20px;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 50px;
}

/* =========================
   SERVICES
========================= */
.services-grid {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  padding: 25px;
  border: 1px solid #e0e0e0;
  transition: transform 0.3s ease;
}

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

.service-card img {
  width: 100%;
  margin-bottom: 15px;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.95rem;
}

/* =========================
   ABOUT PAGE
========================= */
.about-content {
  max-width: 900px;
  margin: auto;
  text-align: center;
}

.logos-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 25px;
}

.logos-grid img {
  width: 100%;
  filter: grayscale(100%);
}

/* =========================
   CONTACT SPLIT LAYOUT
========================= */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
}

.contact-left {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 60px;
  display: flex;
  align-items: center;
}

.contact-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.5);
}

.contact-text {
  position: relative;
  max-width: 400px;
}

.contact-text h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.contact-right {
  padding: 60px;
}

.contact-right h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.contact-right input,
.contact-right textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
}

.contact-right button {
  background: #136d67;
  color: #fff;
  border: none;
  padding: 10px 25px;
  cursor: pointer;
}

.contact-right button:hover {
  opacity: 0.85;
}

.contact-note {
  margin-top: 15px;
  font-size: 0.9rem;
}

/* =========================
   FOOTER
========================= */
.site-footer {
  background: #fff;
  text-align: center;
  padding: 30px 20px;
  border-top: 1px solid #e0e0e0;
}

.social-icons {
  margin-bottom: 15px;
}

.social-icons img {
  width: 28px;
  margin: 0 10px;
  cursor: pointer;
}

.site-footer p {
  font-size: 0.85rem;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .contact-split {
    grid-template-columns: 1fr;
  }

  nav a {
    margin-left: 15px;
  }
}