/* VirtualLog - Modern Minimal Design */

:root {
  --primary-color: #1890ff;
  --primary-dark: #0d5fb3;
  --primary-light: #40a9ff;
  --text-primary: #1a1a1a;
  --text-secondary: #666;
  --text-light: #999;
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-dark: #1a1a1a;
  --border-color: #e8e8e8;
  --success-color: #52c41a;
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary), sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 1.125rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo img {
  height: 64px;
  width: auto;
  display: block;
}

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

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.nav-links a.active {
  color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

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

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

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

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

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.125rem;
}

/* Hero Section */
.hero {
  padding: 8rem 0 6rem;
  text-align: center;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.hero h1 {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.375rem;
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Features Section */
.features {
  padding: 6rem 0;
  background-color: var(--bg-white);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.25rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.feature-card {
  padding: 2.5rem;
  background-color: var(--bg-white);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(24, 144, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 1rem;
  margin-bottom: 0;
}

/* Pricing Section */
.pricing {
  padding: 6rem 0;
  background-color: var(--bg-light);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background-color: var(--bg-white);
  border-radius: 16px;
  padding: 3rem;
  border: 2px solid var(--border-color);
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 2rem;
  background-color: var(--primary-color);
  color: white;
  padding: 0.375rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-header h3 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.pricing-header p {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.pricing-price {
  margin-bottom: 2rem;
}

.pricing-price .amount {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pricing-price .period {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2.5rem;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success-color);
  font-weight: 700;
  font-size: 1.25rem;
}

.pricing-card .btn {
  width: 100%;
}

/* Content Sections */
.content-section {
  padding: 6rem 0;
}

.content-section.alt {
  background-color: var(--bg-light);
}

/* Announcements & Releases */
.announcement-list,
.release-list {
  max-width: 900px;
  margin: 0 auto;
}

.announcement-card,
.release-card {
  background-color: var(--bg-white);
  border-radius: 12px;
  padding: 2.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.announcement-card:hover,
.release-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.announcement-meta,
.release-meta {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.announcement-card h3,
.release-card h3 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.announcement-card p,
.release-card p {
  margin-bottom: 1rem;
}

.release-card .release-version {
  display: inline-block;
  background-color: rgba(24, 144, 255, 0.1);
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.release-features {
  list-style: none;
  padding-left: 0;
}

.release-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  padding-left: 1.5rem;
  position: relative;
}

.release-features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 700;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--bg-white);
  padding: 3rem;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
  cursor: pointer;
}

.checkbox-group label {
  margin-bottom: 0;
  cursor: pointer;
  font-weight: 400;
  color: var(--text-secondary);
}

.form-message {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  display: none;
}

.form-message.success {
  background-color: rgba(82, 196, 26, 0.1);
  color: var(--success-color);
  border: 1px solid rgba(82, 196, 26, 0.3);
}

.form-message.error {
  background-color: rgba(255, 77, 79, 0.1);
  color: #ff4d4f;
  border: 1px solid rgba(255, 77, 79, 0.3);
}

.form-message.show {
  display: block;
}

/* Form Warning */
.form-warning {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background-color: rgba(255, 193, 7, 0.1);
  border: 2px solid rgba(255, 193, 7, 0.4);
  border-radius: 12px;
  margin-bottom: 2rem;
}

.warning-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.warning-content h4 {
  color: #d97706;
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.warning-content p {
  color: var(--text-secondary);
  margin-bottom: 0;
  font-size: 1rem;
}

.warning-content a {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Disabled Form */
.form-disabled {
  opacity: 0.6;
  pointer-events: none;
}

.form-disabled input,
.form-disabled textarea,
.form-disabled button {
  cursor: not-allowed;
  background-color: var(--bg-light);
}

/* Footer */
footer {
  background-color: var(--bg-dark);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  color: white;
  margin-bottom: 1.5rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: white;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* Coming Soon Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 9999;
  animation: fadeIn 0.3s ease-out;
}

.modal-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-content {
  background-color: var(--bg-white);
  border-radius: 16px;
  padding: 3rem;
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: slideUp 0.3s ease-out;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background-color: var(--bg-light);
  color: var(--text-primary);
}

.modal-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.modal-content h2 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.modal-content p {
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }

  .container,
  .container-wide {
    padding: 0 1.5rem;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    gap: 1rem;
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .hero {
    padding: 5rem 0 3rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero p {
    font-size: 1.125rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .features-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .content-section {
    padding: 4rem 0;
  }

  .contact-form {
    padding: 2rem 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
  }

  .pricing-card {
    padding: 2rem 1.5rem;
  }
}

/* Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(26, 26, 26, 0.98);
  backdrop-filter: blur(10px);
  color: #fff;
  padding: 1.5rem 0;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.2);
  z-index: 10000;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cookie-banner-text {
  flex: 1;
}

.cookie-banner-text p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
}

.cookie-banner-text a {
  color: var(--primary-light);
  text-decoration: underline;
}

.cookie-banner-text a:hover {
  color: var(--primary-color);
}

.cookie-banner-buttons {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.cookie-banner .btn {
  white-space: nowrap;
  padding: 0.75rem 2rem;
  font-size: 0.95rem;
}

.cookie-banner .btn-primary {
  background: var(--primary-color);
}

.cookie-banner .btn-outline {
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.9);
}

.cookie-banner .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

@media (max-width: 768px) {
  .cookie-banner-content {
    flex-direction: column;
    align-items: stretch;
    padding: 0 1.5rem;
  }

  .cookie-banner-buttons {
    flex-direction: column;
  }

  .cookie-banner .btn {
    width: 100%;
    text-align: center;
  }
}