/* BASIC RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

/* COLORS */
:root {
  --main-color: #0f766e;
  --bg-light: #f9f9f9;
  --text-dark: #111;
  --white: #fff;
}

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

/* NAVBAR */
.navbar {
  background: var(--white);
  padding: 20px 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar nav {
  display: flex;
  align-items: center;
}
.navbar .logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--main-color);
}
.navbar nav a {
  margin: 0 15px;
  color: var(--text-dark);
  text-decoration: none;
}
.navbar .btn {
  background: var(--main-color);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
}

/* HERO */
.hero {
  background: var(--main-color);
  color: var(--white);
  text-align: center;
  padding: 120px 20px;
}
.hero {
  border-bottom-left-radius: 40px;
  border-bottom-right-radius: 40px;
}
.hero .container {
  max-width: 900px;
  margin: auto;
}
.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 15px;
}
h2 {
  margin-bottom: 30px;
}

.services, .clients, .testimonials {
  padding-top: 80px;
}
h2 {
  margin-bottom: 30px;
}

.services, .clients, .testimonials {
  padding-top: 80px;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 25px;
}
.hero-btn:hover {
  opacity: 0.9;
}

/* SECTIONS */
section {
  padding: 60px 0;
}

/* SERVICES / TESTIMONIALS */
.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.card {
  background: var(--white);
  padding: 20px;
  border-radius: 8px;
  flex: 1;
  min-width: 250px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}
.card h3 {
  color: var(--main-color);
  margin-bottom: 10px;
}

/* CLIENT LOGOS */
.logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 15px;
}
.logo-item {
  width: 100px;
  height: 60px;
  background: #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text-dark);
}

/* FOOTER */
.footer {
  background: var(--bg-light);
  text-align: center;
  padding: 40px 0;
}
.footer .footer-btn {
  background: var(--main-color);
  color: white;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
}
.footer p {
  margin-top: 15px;
  color: var(--text-dark);
}