/* SThreeX Landing Page Desktop Styles - Updated 2025-08-19 */

:root {
  --pattern-color: rgba(0, 0, 0, 0.2);
  --primary-color: #000000;
  --primary-dark: #1a1a1a;
  --primary-light: #333333;
  --accent-color: #444444;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-light: #ffffff;
  --background-light: #fafafa;
  --background-white: #ffffff;
  --border-color: #e0e0e0;
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Times New Roman', Times, serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-light);
  text-transform: uppercase;
  
  /* Custom background pattern */
  background-image: linear-gradient(30deg, var(--pattern-color) 12%, transparent 12.5%, transparent 87%, var(--pattern-color) 87.5%, var(--pattern-color)),
    linear-gradient(150deg, var(--pattern-color) 12%, transparent 12.5%, transparent 87%, var(--pattern-color) 87.5%, var(--pattern-color)),
    linear-gradient(30deg, var(--pattern-color) 12%, transparent 12.5%, transparent 87%, var(--pattern-color) 87.5%, var(--pattern-color)),
    linear-gradient(150deg, var(--pattern-color) 12%, transparent 12.5%, transparent 87%, var(--pattern-color) 87.5%, var(--pattern-color)),
    linear-gradient(60deg, var(--pattern-color) 25%, transparent 25.5%, transparent 75%, var(--pattern-color) 75%, var(--pattern-color)),
    linear-gradient(60deg, var(--pattern-color) 25%, transparent 25.5%, transparent 75%, var(--pattern-color) 75%, var(--pattern-color));
  background-size: 300px 500px;
  background-position: 0 0, 0 0, 150px 250px, 150px 250px, 0 0, 150px 250px;
  background-attachment: fixed;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-light);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-grow: 1;
  justify-content: center;
}

.logo-image {
  height: 50px;
  width: auto;
  display: block;
  margin: 0 auto;
}

.nav-logo span {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

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

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.cta-button {
  background: var(--primary-color);
  color: var(--text-light);
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.cta-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
  text-align: center;
  margin: 0 auto;
  max-width: 800px;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.highlight {
  color: var(--primary-color);
  position: relative;
}

.highlight-green {
  color: #000000;
  font-style: italic;
  font-weight: 500;
}

.highlight-maroon {
  color: #800000 !important;
  font-style: italic;
  font-weight: 500;
}

.launch-card p em.highlight-maroon {
  color: #800000 !important;
}

.hero-highlight {
  color: #000000;
  font-weight: 700;
  font-size: 1.1em;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-color);
  opacity: 0.3;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.8;
}

.hero-highlight-paragraph {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.primary-button {
  background: var(--primary-color);
  color: var(--text-light);
  border: none;
  padding: 16px 32px;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.primary-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.primary-button.large {
  padding: 20px 40px;
  font-size: 1.1rem;
}

.secondary-button {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  padding: 14px 30px;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.secondary-button:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.secondary-button.large {
  padding: 18px 38px;
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  animation: fadeInRight 0.8s ease-out 0.2s both;
}

.dashboard-preview {
  background: var(--background-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-heavy);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: var(--transition);
}

.dashboard-preview:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.dashboard-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  padding: 20px;
}

.dashboard-tabs {
  display: flex;
  gap: 16px;
}

.tab {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.tab.active {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-light);
}

.tab:not(.active) {
  color: rgba(255, 255, 255, 0.7);
}

.dashboard-content {
  padding: 24px;
}

.portfolio-card {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  padding: 20px;
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  text-align: center;
}

.portfolio-card h3 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.portfolio-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.portfolio-change {
  font-size: 0.9rem;
  font-weight: 600;
}

.portfolio-change.positive {
  color: #22c55e;
}

.asset-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.asset-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--background-light);
  border-radius: 8px;
  transition: var(--transition);
}

.asset-item:hover {
  background: #f0f0f0;
}

.asset-name {
  font-weight: 500;
  color: var(--text-primary);
}

.asset-value {
  font-weight: 600;
  color: var(--primary-color);
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--background-white);
}

.section-header {
  text-align: center;
  margin-bottom: 30px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.feature-list {
  list-style: none;
  padding: 0;
  max-width: 800px;
  margin: 0 auto 20px;
  text-align: left;
  margin-top: 10px;
}

.feature-list li {
  margin-bottom: 12px;
  font-size: 1.1rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li strong {
  color: var(--primary-color);
  font-weight: 600;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--background-white);
  padding: 32px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  text-align: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.feature-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
  color: var(--text-light);
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.feature-highlight {
  display: inline-block;
  background: var(--accent-color);
  color: var(--text-primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* About Section */
.about {
  padding: 100px 0;
  background: var(--background-light);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--text-primary);
}

.about-feature i {
  color: var(--primary-color);
  font-size: 1.2rem;
}

.about-visual {
  display: flex;
  justify-content: center;
}

.metrics-dashboard {
  background: var(--background-white);
  padding: 32px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  width: 100%;
  max-width: 400px;
}

.metric-card {
  text-align: center;
}

.metric-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.metric-chart {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 8px;
  height: 120px;
}

.chart-bar {
  width: 24px;
  background: linear-gradient(to top, var(--primary-color), var(--accent-color));
  border-radius: 4px 4px 0 0;
  animation: growUp 1s ease-out;
}

/* CTA Section */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.launch-card {
  background-color: var(--background-white);
  border: 3px solid #800000 !important;
  border-radius: var(--border-radius);
  padding: 24px 24px 24px 70px;
  margin: 24px auto 32px;
  max-width: 500px;
  box-shadow: var(--shadow-medium);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.launch-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background-color: #800000;
}

.lock-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  background-color: #800000;
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.lock-icon i {
  filter: drop-shadow(2px 4px 3px rgba(0,0,0,0.2));
}

.launch-card:hover .lock-icon {
  transform: translateY(-50%) scale(1.1);
}

.launch-card p {
  margin: 8px 0;
  font-weight: 500;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.cta-buttons .primary-button {
  background: var(--text-light);
  color: var(--primary-color);
}

.cta-buttons .primary-button:hover {
  background: #f8f9fa;
  transform: translateY(-2px);
}

.cta-buttons .secondary-button {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-light);
}

.cta-buttons .secondary-button:hover {
  border-color: var(--text-light);
  background: rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: var(--text-light);
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.footer-logo h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-color);
}

.footer-logo span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.footer-section h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-light);
}

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

.footer-section ul li {
  margin-bottom: 8px;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--accent-color);
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--accent-color);
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
}

.modal {
  background: var(--background-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-heavy);
  max-width: 500px;
  width: 90%;
  transform: scale(0.9);
  transition: var(--transition);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 24px 0;
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-body {
  padding: 24px;
}

.modal-body p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-form input {
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

.modal-form input:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Success Message */
.success-message {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #22c55e;
  color: white;
  padding: 16px 20px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-medium);
  transform: translateX(100%);
  transition: var(--transition);
  z-index: 3000;
}

.success-message.show {
  transform: translateX(0);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes growUp {
  from {
    height: 0;
  }
  to {
    height: var(--height);
  }
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: var(--text-light);
  border: 2px solid var(--text-light);
  border-radius: 50%;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-medium);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}