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

body {
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(
    to bottom,
    #7cc9ff 0%,
    #bfe9ff 45%,
    #e8f8f0 100%
  );
  color: #2c2c2c;
  line-height: 1.8;
}

/* ================= HEADER ================= */
.header {
  background: linear-gradient(135deg, #0f6cff, #6bb7ff);
  text-align: center;
  padding: 100px 20px 90px;
  color: #fff;
}

.header img {
  width: 90px;
  margin-bottom: 18px;
}

.header h1 {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 14px;
}

.header p {
  font-size: 17px;
  max-width: 720px;
  margin: auto;
  opacity: 0.95;
}

/* ================= ABOUT SECTION ================= */
.about {
  padding: 0 20px 120px;
}

.container {
  max-width: 960px;
  margin: -70px auto 0;
  background: #ffffff;
  border-radius: 16px;
  padding: 70px 65px;
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.1);
  font-size: 17px;
}

.container p {
  margin-bottom: 28px;
  color: #444;
}

/* ================= FOOTER ================= */
.footer {
  background: transparent;
  text-align: center;
  padding: 70px 20px 40px;
}

.footer p {
  font-size: 15px;
  margin-bottom: 16px;
  color: #444;
}

.icons a {
  font-size: 24px;
  margin: 0 14px;
  text-decoration: none;
  transition: 0.3s ease;
}

.icons a:hover {
  transform: translateY(-4px);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {
  .header {
    padding: 80px 18px 75px;
  }

  .header h1 {
    font-size: 28px;
  }

  .container {
    padding: 50px 35px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .header h1 {
    font-size: 24px;
  }

  .header p {
    font-size: 15px;
  }

  .container {
    padding: 40px 25px;
  }
}
/* ================= EXTRA SMALL DEVICES ================= */
@media (max-width: 400px) {

  /* 2 columns → 1 column */
  .grid {
    grid-template-columns: 1fr;
  }

  .card-btn {
    padding: 16px;
  }
}