/**
 * Bitcoin Payment Gateway
 * Main stylesheet for the Bitcoin Payment application
 */

:root {
  --primary-color: #f7931a;
  --secondary-color: #4d4d4d;
  --background-color: #ffffff;
  --light-gray: #f5f5f5;
  --dark-gray: #333333;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: var(--background-color);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: var(--background-color);
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.navbar-brand i {
  margin-right: 0.5rem;
  font-size: 1.8rem;
}

.navbar-nav {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: 1.5rem;
}

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

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

.auth-button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
}

.auth-button:hover {
  background-color: #e68a00;
}

.auth-button i {
  margin-right: 0.5rem;
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4rem 0;
  background: linear-gradient(to right, #ffffff, #f9f9f9);
}

.hero-content {
  flex: 1;
  padding-right: 2rem;
}

.hero-title {
  font-size: 2.5rem;
  color: var(--dark-gray);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--secondary-color);
  margin-bottom: 2rem;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
}

.bitcoin-icon {
  font-size: 10rem;
  color: var(--primary-color);
}

/* Payment Form */
.payment-form {
  background-color: var(--light-gray);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: var(--box-shadow);
}

.form-title {
  font-size: 1.5rem;
  color: var(--dark-gray);
  margin-bottom: 1.5rem;
  text-align: center;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(247, 147, 26, 0.2);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background-color: #e68a00;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Payment Status */
.payment-status {
  background-color: var(--light-gray);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: var(--box-shadow);
}

.status-title {
  font-size: 1.5rem;
  color: var(--dark-gray);
  margin-bottom: 1rem;
  text-align: center;
}

.status-details {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.status-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #eee;
}

.status-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.status-label {
  font-weight: 500;
}

.status-value {
  font-weight: 400;
}

.status-pending {
  color: var(--warning-color);
}

.status-completed {
  color: var(--success-color);
}

.status-failed {
  color: var(--danger-color);
}

/* Contact Section */
.contact-section {
  padding: 4rem 0;
  background-color: var(--light-gray);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--box-shadow);
}

.contact-title {
  font-size: 2rem;
  color: var(--dark-gray);
  margin-bottom: 1.5rem;
  text-align: center;
}

.contact-subtitle {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--secondary-color);
}

.input-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.input-icon {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  color: var(--secondary-color);
}

.input-with-icon {
  padding-left: 3rem;
}

/* Footer */
.footer {
  background-color: var(--dark-gray);
  color: white;
  padding: 3rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footer-section {
  flex: 1;
  min-width: 250px;
  margin-bottom: 2rem;
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.footer-links {
  list-style: none;
}

.footer-link {
  margin-bottom: 0.5rem;
}

.footer-link a {
  color: #ddd;
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Utilities */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 2.5rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 2.5rem; }

.hidden {
  display: none;
}

.d-flex {
  display: flex;
}

.align-items-center {
  align-items: center;
}

.justify-content-between {
  justify-content: space-between;
}

.justify-content-center {
  justify-content: center;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-content {
    padding-right: 0;
    margin-bottom: 2rem;
  }
  
  .footer-content {
    flex-direction: column;
  }
  
  .footer-section {
    margin-bottom: 2rem;
  }
}