* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family: Arial, Helvetica, sans-serif; color:#222; }

.navbar {
  position: sticky;
  top:0;
  background:#fff;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:1rem 2rem;
  box-shadow:0 2px 8px rgba(0,0,0,0.08);
  z-index:10;
}
.logo { font-weight:bold; }
nav a { margin-left:1rem; text-decoration:none; color:#222; font-weight:500; }

.hero {
  min-height:70vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  background-image: url("./images.png");
  background-size: cover;
  background-position: center;
  position: relative;
  color: white;
}
.hero-overlay { position:absolute; inset:0; background: rgba(0,0,0,0.35); }
.hero h1, .hero p { position:relative; z-index:1; }
.hero h1 { font-size: clamp(3rem,6vw,5rem); margin-bottom:1rem; }
.hero p { font-size:1.25rem; margin-bottom:2rem; }

.buttons-above-about {
  padding:2rem 0;
  display:flex;
  justify-content:center;
  background-color:white;
  margin-top:2rem;
}
.button-container-above {
  display:flex;
  justify-content:center;
  gap:1rem;
  flex-wrap:wrap;
  text-align:center;
  width:100%;
}
.button-container-above a {
  display:inline-block;
  padding:0.75rem 2rem;
  border-radius:30px;
  font-weight:bold;
  text-decoration:none;
  text-align:center;
  transition:0.3s;
  border:none;
  cursor:pointer;
  background: linear-gradient(135deg,#2f4f4f,#3c6b5a);
  color:white;
}
.button-container-above a:hover {
  background: linear-gradient(135deg,#3c6b5a,#2f4f4f);
  transform:translateY(-3px);
}

.section { padding:4rem 2rem; max-width:1100px; margin:auto; text-align:center; }
.section h2 { margin-bottom:1rem; font-size:2.5rem; }
.about-intro { max-width:700px; margin:0 auto 2rem; line-height:1.5; }

.flip-cards { display:grid; grid-template-columns:repeat(2,1fr); gap:1rem; }
@media(max-width:768px){ .flip-cards{ grid-template-columns:1fr; } }
.flip-card { perspective:1000px; }
.flip-card-inner { position:relative; min-height:260px; transition:transform 0.6s; transform-style:preserve-3d; }
.flip-card:hover .flip-card-inner { transform:rotateY(180deg); }
.flip-card-front, .flip-card-back {
  position:absolute; inset:0; border-radius:12px; display:flex; align-items:center; justify-content:center;
  padding:1rem; backface-visibility:hidden; box-shadow:0 10px 25px rgba(0,0,0,0.1);
}
.flip-card-front { background:#f0fff0; }
.flip-card-back { background:#2f4f4f; color:white; transform:rotateY(180deg); }

.contact-section {
  background-color:#111;
  color:white;
  padding:2rem 2rem;
  display:flex;
  justify-content:center;
}
.contact-box {
  max-width:400px;
  padding:1.5rem;
  border-radius:10px;
  background-color:#222;
  text-align:center;
}

footer { background:#111; color:#aaa; text-align:center; padding:1.5rem; }

.credibility-section {
  background-color: #f8f8f8;
  padding: 4rem 2rem;
  text-align: center;
}
.credibility-section h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.credibility-intro { max-width: 800px; margin: 0 auto 2.5rem; line-height: 1.6; font-size: 1.1rem; color: #333; }

.credibility-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
@media(max-width:992px){ .credibility-cards{ grid-template-columns: repeat(2, 1fr); } }
@media(max-width:600px){ .credibility-cards{ grid-template-columns: 1fr; } }

.cred-card {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  text-align: center;
  transition: transform 0.3s;
}
.cred-card:hover { transform: translateY(-5px); }
.cred-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.cred-card h3 { margin-bottom: 0.5rem; font-size: 1.25rem; color: #2f4f4f; }
.cred-card p { font-size: 1rem; color: #555; line-height: 1.4; }