/* Font & Layout */
body {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  color: #e5e5e5;
  text-align: center;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  justify-content: center;
  align-items: center;

  background: url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
  position: relative;
}

/* Dark overlay for readability */
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  z-index: 0;
}

/* Hero Content */
.hero {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 900px;
  padding: 2rem;
  animation: fadeIn 1.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

header {
  margin-bottom: 2rem;
}

/* Gradient Text Animation */
.gradient-text {
  font-size: 2.8rem;
  font-weight: 700;
  background: linear-gradient(90deg, #00b4d8, #48cae4, #90e0ef);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 6s infinite alternate;
}

@keyframes gradientShift {
  0% { background-position: 0%; }
  100% { background-position: 100%; }
}

.subtitle {
  font-size: 1rem;
  color: #bdbdbd;
  letter-spacing: 1px;
}

.intro {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #d0d0d0;
  margin-bottom: 2.5rem;
}

/* Button */
.button {
  display: inline-block;
  background: linear-gradient(90deg, #48cae4, #00b4d8);
  color: #000;
  padding: 0.9rem 2rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.button:hover {
  background: linear-gradient(90deg, #00b4d8, #90e0ef);
  transform: translateY(-2px);
}

/* Footer */
footer {
  margin-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1rem;
  font-size: 0.9rem;
  color: #999;
}

footer .social a {
  color: #48cae4;
  text-decoration: none;
  margin: 0 5px;
}

footer .social a:hover {
  text-decoration: underline;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: #1a1a1a;
  color: #e5e5e5;
  padding: 2rem;
  border-radius: 12px;
  width: 90%;
  max-width: 500px;
  text-align: left;
  position: relative;
}

.modal-content h2 {
  margin-top: 0;
  color: #48cae4;
}

.modal-content input,
.modal-content textarea {
  width: 100%;
  padding: 0.8rem;
  margin: 0.5rem 0;
  border-radius: 8px;
  border: none;
  background: #2a2a2a;
  color: #fff;
}

.modal-content input:focus,
.modal-content textarea:focus {
  outline: 2px solid #48cae4;
}

.modal-content .button {
  width: 100%;
  margin-top: 0.5rem;
}

.close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 1.5rem;
  cursor: pointer;
  color: #fff;
}