/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
}

/* Container */
.container {
  width: 100%;
  max-width: 420px;
  background: #1f2937;
  padding: 3rem 2.5rem;
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: transform 0.3s ease;
}

.container:hover {
  transform: translateY(-5px);
}

/* Logo */
.image img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin-bottom: 1rem;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* Heading */
.container h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  letter-spacing: 0.5px;
}

.container p {
  font-size: 1rem;
  color: #d1d5db;
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 14px;
  background: #22c55e;
  color: #f8fafc;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #16a34a;
  transform: translateY(-2px) scale(1.02);
}

/* Responsive */
@media (max-width: 480px) {
  .container {
    padding: 2.5rem 2rem;
  }

  .container h1 {
    font-size: 1.8rem;
  }

  .btn {
    font-size: 0.95rem;
  }
}