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

/* ===== BASE ===== */
body {
  font-family: 'Poppins', sans-serif;
  background: #ffffff;
  color: #111827;
  line-height: 1.7;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1150px;
  margin: auto;
  padding: 0 20px;
}

/* ===== NAVBAR ===== */
.navbar {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.5px;
}

.nav-links a {
  color: #374151;
  text-decoration: none;
  margin-left: 24px;
  font-size: 14px;
  position: relative;
  transition: 0.3s ease;
}

/* subtle underline hover */
.nav-links a::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  left: 0;
  bottom: -4px;
  background: #111827;
  transition: 0.3s;
}

.nav-links a:hover::after {
  width: 100%;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(to bottom, #ffffff, #f9fafb);
  text-align: center;
  padding: 110px 20px 90px;
}

.hero h1 {
  font-size: 46px;
  font-weight: 700;
  margin-bottom: 15px;
  letter-spacing: -0.5px;
}

.hero p {
  max-width: 650px;
  margin: auto;
  color: #6b7280;
  font-size: 16px;
}

/* ===== ABOUT ===== */
.about {
  padding: 90px 0;
  text-align: center;
}

.about h2 {
  font-size: 34px;
  margin-bottom: 20px;
  font-weight: 600;
}

.about p {
  color: #6b7280;
  max-width: 720px;
  margin: 12px auto;
}

/* ===== FEATURES ===== */
.features {
  padding: 90px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

/* ===== CARD ===== */
.card {
  background: #ffffff;
  padding: 32px 22px;
  border-radius: 18px;
  border: 1px solid #f1f5f9;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  transition: all 0.35s ease;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.card p {
  color: #6b7280;
  font-size: 14px;
}

/* ===== MISSION / VISION ===== */
.mission,
.vision {
  padding: 90px 0;
  text-align: center;
}

.mission {
  background: #f9fafb;
}

.vision {
  background: #ffffff;
}

.mission h2,
.vision h2 {
  margin-bottom: 15px;
  font-size: 30px;
}

.mission p,
.vision p {
  max-width: 720px;
  margin: auto;
  color: #6b7280;
}

/* ===== FOOTER ===== */
.footer {
  background: #ffffff;
  border-top: 1px solid #e5e7eb;
  text-align: center;
  padding: 25px;
  font-size: 14px;
  color: #6b7280;
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {

  .hero {
    padding: 80px 15px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .about h2 {
    font-size: 26px;
  }

  .nav-container {
    flex-direction: column;
    gap: 12px;
  }

  .nav-links a {
    margin: 0 10px;
  }

  .card {
    padding: 22px;
  }
}