@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap");

:root {
  /* Brand Colors */
  --primary: #0ea5e9; /* Light Blue */
  --primary-dark: #0284c7; /* Darker Blue */
  --primary-light: #e0f2fe; /* Soft Blue */
  --secondary: #0f172a; /* Slate 900 */
  --accent: #38bdf8; /* Bright Blue */

  /* Neutral Colors */
  --text-main: #1f2937; /* Gray 800 */
  --text-muted: #4b5563; /* Gray 600 */
  --bg-page: #f8fafc; /* Slate 50 */
  --bg-card: #ffffff;
  --border: #e5e7eb; /* Gray 200 */

  /* Feedback Colors */
  --error: #ef4444;
  --success: #0ea5e9;
  --warning: #f59e0b;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md:
    0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.08);
  --shadow-lg:
    0 15px 30px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.3);

  /* Animation */
  --transition: all 0.3s ease;
}

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

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--secondary);
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.02em;
}
h2 {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
}
h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 0.75rem;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--secondary);
  color: white;
}

.btn-primary:hover {
  background: #0f172a; /* Darker Slate */
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(15, 23, 42, 0.3);
}

.btn-accent {
  background: var(--primary);
  color: white;
}

.btn-accent:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--text-main);
  background: transparent;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

/* Card */
.card {
  background: var(--bg-card);
  border-radius: 1.5rem;
  padding: 2rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

/* Forms */
.form-group {
  margin-bottom: 2rem;
}

.form-label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 1rem 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-main);
  background: #f1f5f9;
  border: 1px solid transparent;
  border-radius: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

.form-control::placeholder {
  color: #94a3b8;
}

/* Verification Badge & Errors */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
}

.badge-success {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.error-text {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  animation: fadeIn 0.3s ease;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

/* Utility */
.text-center {
  text-align: center;
}
.mb-4 {
  margin-bottom: 1rem;
}
.mb-8 {
  margin-bottom: 2rem;
}
.w-full {
  width: 100%;
}
.hidden {
  display: none;
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  .nav-links {
    display: none;
  } /* Simplify for mobile for now */
  .section {
    padding: 3rem 0;
  }
}