body {
  margin: 0;
  font-family: 'Poppins', 'Helvetica Neue', Arial, sans-serif;
  background: #f7f7f9;
  color: #222;
  min-height: 100vh;
  letter-spacing: 0.01em;
}

header {
  background: #fff;
  color: #222;
  padding: 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
  position: relative;
  z-index: 10;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 48px 22px 48px;
}
nav .logo {
  font-size: 2.1em;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #222;
}
nav .nav-links {
  list-style: none;
  display: flex;
  gap: 36px;
}
nav .nav-links a {
  text-decoration: none;
  color: #222;
  font-weight: 500;
  font-size: 1.08em;
  padding: 8px 18px;
  border-radius: 18px;
  transition: background 0.18s, color 0.18s;
}
nav .nav-links a:hover, nav .nav-links a.active {
  background: #f0f4fa;
  color: #0071e3;
}

/* Banner Section */
.banner {
  width: 100%;
  background: #fff;
  color: #222;
  position: relative;
  padding: 110px 0 80px 0;
  text-align: center;
  box-shadow: 0 2px 24px rgba(0,0,0,0.03);
}
.banner-content h1 {
  font-size: 3.2em;
  margin-bottom: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #111;
}
.banner-content p {
  font-size: 1.35em;
  margin-bottom: 32px;
  font-weight: 400;
  color: #444;
}
.banner-btn {
  display: inline-block;
  background: #0071e3;
  color: #fff;
  padding: 15px 44px;
  border-radius: 28px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1.13em;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: background 0.18s, color 0.18s, box-shadow 0.18s;
  border: none;
  outline: none;
}
.banner-btn:hover {
  background: #005bb5;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,113,227,0.10);
}
.banner-decoration {
  width: 80px;
  height: 4px;
  background: #e5f1fb;
  border-radius: 2px;
  margin: 0 auto 32px auto;
}
.banner-subtitle {
  font-size: 1.18em;
  color: #6b7280;
  font-weight: 400;
  margin-bottom: 32px;
  margin-top: 0;
  letter-spacing: 0.01em;
}

.projects {
  padding: 64px 0 0 0;
}
.projects h2 {
  text-align: center;
  font-size: 2.1em;
  font-weight: 700;
  color: #222;
  margin-bottom: 48px;
  letter-spacing: 0.01em;
}
.project-list {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  justify-content: center;
  z-index: 2;
  position: relative;
}
.project-card {
  background: #fff;
  padding: 40px 28px 32px 28px;
  border-radius: 32px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.07);
  flex: 1 1 340px;
  max-width: 370px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 48px;
  transition: box-shadow 0.18s, transform 0.18s;
  position: relative;
  border: 1.5px solid #ececec;
}
.project-card:hover {
  box-shadow: 0 12px 40px rgba(0,113,227,0.10);
  transform: translateY(-6px) scale(1.025);
  border-color: #dbeafe;
}
.project-img {
  width: 100%;
  max-width: 220px;
  border-radius: 18px;
  margin-bottom: 26px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.project-card h3 {
  font-size: 1.25em;
  font-weight: 600;
  margin-bottom: 12px;
  color: #111;
}
.project-card p {
  font-size: 1.04em;
  color: #444;
  margin-bottom: 20px;
  text-align: center;
}
.project-btn {
  margin-top: 8px;
  display: inline-block;
  background: #f5f7fa;
  color: #0071e3;
  padding: 13px 32px;
  border-radius: 24px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.08em;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: background 0.18s, color 0.18s, box-shadow 0.18s;
  border: 1.5px solid #e5e7eb;
  outline: none;
}
.project-btn:hover {
  background: #e5f1fb;
  color: #005bb5;
  box-shadow: 0 4px 16px rgba(0,113,227,0.08);
  border-color: #b6e0fe;
}
.project-btn:active {
  background: #f0f4fa;
  color: #0071e3;
}

footer {
  background: #fff;
  color: #888;
  text-align: center;
  padding: 32px 0 18px 0;
  margin-top: 56px;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.04);
  position: relative;
  z-index: 10;
}
.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.footer-gp img {
  margin-top: 6px;
  height: 32px;
  filter: grayscale(0.2) brightness(0.98);
  transition: transform 0.18s;
}
.footer-gp img:hover {
  transform: scale(1.08);
}

/* Responsive Layout */
@media (max-width: 1100px) {
  .project-list {
    gap: 24px;
  }
  .project-card {
    max-width: 95vw;
  }
}
@media (max-width: 700px) {
  nav {
    flex-direction: column;
    gap: 10px;
    padding: 12px 8px;
  }
  .banner-content h1 {
    font-size: 1.6em;
  }
  .banner {
    padding: 36px 8px 24px 8px;
  }
  .project-list {
    flex-direction: column;
    align-items: center;
  }
  .project-card {
    padding: 16px 8px 12px 8px;
    max-width: 98vw;
  }
  .project-img {
    max-width: 90vw;
  }
}