/* Shared styles for all pages - Redesign v2 Design System */

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Design tokens (redesign v2 palette) */
:root {
  /* Canonical tokens */
  --bg: #09090b;
  --fg: #fafafa;
  --card: #0f0f11;
  --muted: #1a1a1e;
  --muted-fg: #a1a1aa;
  --border: rgba(255,255,255,0.08);
  --primary: #34d399;
  --primary-hover: #2fc48d;
  --primary-fg: #09090b;
  --red: #E64C4C;
  --blue: #4CA7E6;
  --gold: #FFD700;
  --yellow: #F5A623;
  --silver: #C0C0C0;
  --bronze: #CD7F32;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', 'Fira Code', monospace;

  /* Backward-compatible aliases (used by some page CSS) */
  --bg-primary: var(--bg);
  --bg-secondary: var(--muted);
  --bg-card: var(--card);
  --bg-card-hover: #151517;
  --text-primary: var(--fg);
  --text-secondary: var(--muted-fg);
  --text-muted: #9494a0;
  --accent: var(--primary);
  --accent-hover: var(--primary-hover);
  --border-light: rgba(255,255,255,0.12);
}

::selection {
  background: rgba(52,211,153,0.25);
  color: white;
}

html { scroll-behavior: smooth; color-scheme: dark; }

/* Base body */
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Container base (pages set their own max-width) */
.container {
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

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

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

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-outline {
  border: 1px solid var(--border-light);
  color: var(--fg);
  background: transparent;
}

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

.btn-secondary {
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(9,9,11,0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
.nav-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.logo-near {
  width: 14px;
  height: 14px;
  color: var(--primary);
  flex-shrink: 0;
}
.logo-text {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
  white-space: nowrap;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  font-size: 14px;
  color: #a1a1aa;
  padding: 6px 12px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  text-decoration: none;
  white-space: nowrap;
}
.nav-link:hover { color: white; background: rgba(255,255,255,0.04); }
.nav-link.active { color: white; }
.nav-divider {
  width: 1px;
  height: 16px;
  background: var(--border);
  margin: 0 6px;
}
.btn-get-started {
  font-size: 14px;
  font-weight: 500;
  color: rgba(250,250,250,0.9);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 6px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-get-started:hover { background: rgba(255,255,255,0.1); color: rgba(250,250,250,0.9); }
.nav-btn-login {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-fg);
  background: var(--primary);
  padding: 6px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  white-space: nowrap;
}
.nav-btn-login:hover { background: var(--primary-hover); color: var(--primary-fg); }
.nav-account {
  color: #a1a1aa;
  font-size: 14px;
  padding: 6px 8px;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: 101;
}
.menu-icon {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--fg);
  position: relative;
  transition: background 0.2s;
}
.menu-icon::before,
.menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--fg);
  transition: transform 0.2s;
}
.menu-icon::before { top: -5px; }
.menu-icon::after { top: 5px; }
.menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-icon::before {
  transform: rotate(45deg) translate(3.5px, 3.5px);
}
.menu-toggle[aria-expanded="true"] .menu-icon::after {
  transform: rotate(-45deg) translate(3.5px, -3.5px);
}

/* Responsive nav */
@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .nav-right {
    display: none;
    position: absolute;
    top: 56px; left: 0; right: 0;
    background: rgba(9,9,11,0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }

  .nav-right.open { display: flex; }

  .nav-link {
    padding: 10px 12px;
    width: 100%;
    text-align: left;
  }

  .nav-divider { display: none; }

  .btn-get-started {
    width: 100%;
    text-align: center;
    margin-top: 8px;
  }

  .nav-btn-login {
    width: 100%;
    text-align: center;
    margin-top: 8px;
  }
}

/* Footer (redesign v2 style) */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer .container { max-width: 1080px; }
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}
.alpha-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--muted-fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-tagline {
  font-size: 12px;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 13px;
  transition: color 0.2s;
  text-decoration: none;
}
.footer-links a:hover { color: var(--muted-fg); }
.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-bottom p {
  font-size: 11px;
  color: var(--text-muted);
}
@media (max-width: 768px) {
  .footer-top { flex-direction: column; gap: 20px; }
  .footer-links { flex-wrap: wrap; gap: 16px; }
}