/* 
 * 10BMS Optimized CSS
 * Consolidated variables and removed unused definitions
 */

:root {
  /* Core Colors */
  --color-bg: #f8f9fa;
  --color-fg: #343a40;
  --color-primary: #6e7681;
  --color-secondary: #212529;
  --color-border: #dee2e6;
  --color-white: #ffffff;
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-black: #000;

  /* UI Component Colors */
  --browser-bg: #f1f3f5;
  --browser-dot-red: #ff5f57;
  --browser-dot-yellow: #ffbd2e;
  --browser-dot-green: #28c941;
  --browser-address-color: #555;
  --terminal-bg: #1e1e1e;
  --terminal-header-bg: #2d2d2d;
  --terminal-text: #f8f8f8;
  --terminal-prompt: #64D2FF;
  --chat-window-bg: #f7f7f7;
  --chat-bubble-sent-blue: #007AFF;
  --chat-bubble-sent-green: #34C759;

  /* Project-specific Colors */
  --b2b-icon-red-bg: #ffebee;
  --b2b-icon-red: #ff4d4f;
  --b2b-icon-blue-bg: #e6f7ff;
  --b2b-icon-blue: #1890ff;
  --b2b-icon-green-bg: #f6ffed;
  --b2b-icon-green: #52c41a;

  /* Layout */
  --nav-height: 64px;
  --content-max-width: 1600px;
  --spacing-xs: 0.5rem;
  /* 8px */
  --spacing-sm: 1rem;
  /* 16px */
  --spacing-md: 2rem;
  /* 32px */
  --spacing-lg: 3rem;
  /* 48px */
  --spacing-xl: 4rem;
  /* 64px */
  --gap-sm: 16px;
  --gap-md: 24px;
  --gap-lg: 48px;

  /* Responsive Breakpoints */
  --padding-x: 2rem;
  --padding-y: calc(var(--nav-height) * 1.5);
  --padding-x-mobile: 1rem;
  --padding-y-mobile: 2rem;

  /* Transitions & Animations */
  --radius-standard: 20px;
  --radius-small: 8px;
  --transition-standard: all 0.2s ease;
  --transition-hover: 0.3s ease;
  --animation-duration: 0.5s;
  --animation-timing: ease;

  /* Typography Base */
  --font-size-xs: 0.75rem;
  /* 12px */
  --font-size-sm: 0.875rem;
  /* 14px */
  --font-size-md: 1rem;
  /* 16px */
  --font-size-lg: 1.125rem;
  /* 18px */
  --font-size-xl: 1.25rem;
  /* 20px */
  --font-size-2xl: 1.5rem;
  /* 24px */
  --font-size-3xl: 1.75rem;
  /* 28px */
  --font-size-4xl: 2rem;
  /* 32px */
  --font-size-5xl: 2.5rem;
  /* 40px */
  --font-size-6xl: 4rem;
  /* 64px */

  /* Typography Weights */
  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Line Heights */
  --line-height-xs: 1.25;
  --line-height-sm: 1.3;
  --line-height-md: 1.5;
  --line-height-lg: 1.6;
  --line-height-xl: 1.7;

  /* Component-specific Variables */
  --nav-link-size: 0.8rem;
  --hero-text: 2.5rem;
  --hero-text-mobile: 2rem;
  --hero-desc: 1.125rem;
  --hero-desc-mobile: 1rem;
  --button-padding: 12px 24px;
  --button-padding-sm: 8px 16px;
  --browser-dot-size: 12px;
  --browser-dot-margin: 6px;
  --browser-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --browser-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
  --card-shadow: 0 8px 30px var(--color-shadow);
  --card-hover-transform: translateY(-5px);
}


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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--color-fg);
  background: var(--color-bg);
  line-height: var(--line-height-md);
  padding-top: 0;
  margin-top: 0;
}

/* Navigation */
.nav {
  height: var(--nav-height);
  background: var(--color-white);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--padding-x);
}

.nav-logo {
  display: flex;
  align-items: center;
  margin-right: 2rem;
  flex-shrink: 0;
}

.nav-logo img {
  height: 20px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.nav-links {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-sm);
  align-items: center;
  margin-left: auto;
}

.nav-link {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 130px;
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--nav-link-size);
  font-weight: var(--weight-light);
  padding: var(--spacing-xs) calc(var(--spacing-xs) + 0.25rem);
  border-radius: var(--radius-standard);
  transition: var(--transition-standard);
}

.nav-link:hover {
  color: var(--color-secondary);
  background-color: var(--color-shadow);
  box-shadow: 0 2px 4px var(--color-shadow), 0 1px 2px var(--color-shadow);
}

.nav-buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-toggle,
.nav-close {
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
  display: none;
  align-items: center;
  justify-content: center;
  height: var(--nav-height);
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .nav-buttons {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-close {
    display: none;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--color-white);
    padding: var(--spacing-sm);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active~.nav-buttons .nav-toggle {
    display: none;
  }

  .nav-links.active~.nav-buttons .nav-close {
    display: flex;
  }

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

  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--spacing-sm);
  }
}

.fix {
  padding-top: var(--nav-height);
  padding-bottom: 0;
}


/* 
 * 10BMS Optimized CSS
 */

/* [Previous CSS remains unchanged until the end] */

/* Clean Footer Styles */
.footer-section {
  background-color: var(--color-white);
  padding: var(--spacing-md) 0 var(--spacing-xs);
  border-top: 1px solid var(--color-border);
}

.footer-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--padding-x);
}

.footer-nav {
  display: flex;
  justify-content: space-between;
  padding-bottom: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.footer-nav-group {
  margin-right: var(--gap-md);
  min-width: 140px;
}

.footer-nav-group:last-child {
  margin-right: 0;
}

.footer-nav-title {
  font-size: var(--font-size-sm);
  /* 18px */
  font-weight: var(--weight-semibold);
  /* 600 */
  color: var(--color-black);
  margin: 0 0 var(--spacing-xs);
}

/* Explicitly reset and override Pico CSS list styles */
.footer-nav-list,
.footer-nav-list ul,
.footer-nav-list ol {
  list-style-type: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.footer-nav-list li {
  list-style-type: none !important;
  margin-bottom: var(--spacing-xs) !important;
  position: relative;
}

.footer-nav-list li::before,
.footer-nav-list li::after {
  content: none !important;
  /* Remove any pseudo-element bullets */
}

.footer-nav-link {
  color: var(--color-primary);
  /* #6e7681 */
  text-decoration: none;
  font-size: var(--font-size-xs);
  /* 14px */
  line-height: var(--line-height-md);
  /* 1.5 */
  transition: var(--transition-standard);
  display: inline-flex;
  align-items: center;
}

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

.footer-icon {
  margin-right: var(--spacing-xs);
  flex-shrink: 0;
}

.footer-copyright-wrapper {
  text-align: center;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.footer-copyright {
  color: var(--color-primary);
  /* #6e7681 */
  font-size: var(--font-size-xs);
  /* 12px */
  margin: 0;
}

/* Responsive styles */
@media (max-width: 768px) {
  .footer-section {
    padding: var(--spacing-md) 0 var(--spacing-xs);
  }

  .footer-nav {
    flex-direction: column;
    padding-bottom: var(--spacing-md);
  }

  .footer-nav-group {
    margin-right: 0;
    margin-bottom: var(--gap-sm);
  }

  .footer-nav-title {
    margin-bottom: var(--spacing-xs);
  }
}

@media (min-width: 769px) and (max-width: 992px) {
  .footer-nav {
    flex-wrap: wrap;
  }

  .footer-nav-group {
    width: calc(50% - var(--gap-sm));
    margin-bottom: var(--gap-sm);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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