@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
  --bg-dark: #0F172A;
  --bg-light: #F9FAFB;
  --primary: #3B82F6;
  --text-dark: #F3F4F6;
  --text-light: #111827;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
}

body.dark {
  background: var(--bg-dark);
  color: var(--text-dark);
}

body:not(.dark) {
  background: var(--bg-light);
  color: var(--text-light);
}

.navbar {
  position: fixed;
  width: 100%;
  backdrop-filter: blur(10px);
  background: rgba(15,23,42,0.7);
  padding: 20px 0;
  z-index: 1000;
}

.nav-container {
  width: 90%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  margin: 0 15px;
  text-decoration: none;
  color: inherit;
  font-weight: 500;
}

nav a:hover {
  color: var(--primary);
}

.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle at 30% 30%, #1e3a8a, #0f172a);
  text-align: center;
  padding: 0 20px;
}

.hero h1 {
  font-size: 48px;
  max-width: 800px;
}

.btn {
  background: var(--primary);
  color: white;
  padding: 14px 28px;
  margin-top: 25px;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s ease;
}

.btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(59,130,246,0.3);
}

.section {
  padding: 120px 10%;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 30px;
}

.card {
  background: rgba(255,255,255,0.05);
  padding: 30px;
  border-radius: 12px;
  transition: 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  background: rgba(59,130,246,0.1);
}

.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

footer {
  padding: 60px;
  text-align: center;
  opacity: 0.7;
}

/* Contact Form Styling */

form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

form input,
form textarea {
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  color: inherit;
  font-size: 16px;
  transition: 0.3s ease;
}

body:not(.dark) form input,
body:not(.dark) form textarea {
  background: white;
  border: 1px solid #ddd;
}

form input:focus,
form textarea:focus {
  outline: none;
  border: 1px solid var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

form textarea {
  min-height: 140px;
  resize: vertical;
}

form button {
  align-self: flex-start;
}

/* Centered Form Card Layout */
form.card {
  max-width: 600px;
  margin: auto;
}


/* Navigation Base */
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav {
  display: flex;
  gap: 20px;
  align-items: center;
}

.menu-toggle {
  display: none;
  font-size: 26px;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
}

/* Mobile Styles */
@media (max-width: 768px) {

  .menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 70px;
    right: 0;
    background: #111;
    flex-direction: column;
    width: 220px;
    padding: 20px;
    display: none;
  }

  nav a {
    padding: 10px 0;
  }

  nav.active {
    display: flex;
  }
}