/* ============================================================
   Cognetryx · Site stylesheet
   Shared base for the top-level (non-article) pages: design
   tokens, reset, navigation, mobile menu, footer, buttons, and
   the common section/card components.
   Article pages under /posts/ use post.css instead.
   Source of truth for the top-level template. Edit here.
   Established 2026-05-29.
   ============================================================ */

:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #111114;
  --bg-card: rgba(255, 255, 255, 0.03);
  --text-primary: #ffffff;
  --text-secondary: #a0a0a5;
  --text-muted: #6b6b70;
  --accent-primary: #00d4aa;
  --accent-secondary: #0088cc;
  --accent-gradient: linear-gradient(135deg, #00d4aa 0%, #0088cc 100%);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --glow-accent: rgba(0, 212, 170, 0.15);
  --font-display: 'Sora', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.bg-pattern {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: -1;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 170, 0.08), transparent),
    repeating-linear-gradient(30deg, rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 60px),
    repeating-linear-gradient(-30deg, rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 60px);
  background-size: 100% 100%, 120px 104px, 120px 104px;
}

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1rem 2rem;
  background: rgba(10, 10, 11, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-container { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.nav-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.nav-logo img { height: 42px; width: auto; }
.nav-links { display: flex; gap: 2.5rem; align-items: center; }
.nav-links a { color: var(--text-primary); text-decoration: none; font-size: 1.1rem; font-weight: 500; transition: color 0.3s ease, text-shadow 0.3s ease; }
.nav-links a:not(.nav-cta):hover { color: var(--text-primary); text-shadow: 0 0 10px rgba(0, 212, 170, 0.75), 0 0 20px rgba(0, 212, 170, 0.45); }
.nav-cta { background: var(--accent-gradient); color: var(--bg-primary) !important; padding: 0.6rem 1.4rem; border-radius: 6px; font-weight: 600; }
.mobile-menu-btn { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; z-index: 1001; }
.mobile-menu { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(10, 10, 11, 0.98); backdrop-filter: blur(20px); z-index: 999; flex-direction: column; justify-content: center; align-items: center; gap: 2rem; }
.mobile-menu.active { display: flex; }
.mobile-menu a { color: var(--text-primary); text-decoration: none; font-size: 1.5rem; font-weight: 500; padding: 0.75rem 2rem; transition: color 0.3s ease; }
.mobile-menu a:hover { color: var(--accent-primary); }
.mobile-menu .nav-cta { background: var(--accent-gradient); color: var(--bg-primary) !important; border-radius: 8px; margin-top: 1rem; }

.page-header {
  padding: 10rem 2rem 4rem;
  text-align: center;
  position: relative;
}
.page-label { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent-primary); text-transform: uppercase; letter-spacing: 0.2em; margin-bottom: 1rem; animation: fadeInUp 0.6s ease-out; }
.page-header h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 700; margin-bottom: 1.5rem; animation: fadeInUp 0.6s ease-out 0.1s both; }
.page-header h1 .gradient-text { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.page-header p { font-size: 1.2rem; color: var(--text-secondary); max-width: 700px; margin: 0 auto; line-height: 1.7; animation: fadeInUp 0.6s ease-out 0.2s both; }

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

.mission-section { padding: 5rem 2rem; background: var(--bg-secondary); }
.section-container { max-width: 1200px; margin: 0 auto; }
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.mission-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 16px; padding: 2.5rem; text-align: center; transition: all 0.4s ease; }
.mission-card:hover { transform: translateY(-5px); border-color: var(--accent-primary); box-shadow: 0 20px 60px rgba(0, 212, 170, 0.1); }
.mission-icon { width: 64px; height: 64px; background: var(--accent-gradient); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.75rem; margin: 0 auto 1.5rem; }
.mission-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 1rem; }
.mission-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

.team-section { padding: 5rem 2rem; background: var(--bg-primary); }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-label { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent-primary); text-transform: uppercase; letter-spacing: 0.2em; margin-bottom: 1rem; }
.section-title { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; margin-bottom: 1rem; }

.team-content { display: grid; grid-template-columns: 350px 1fr; gap: 4rem; align-items: start; }
.team-photo-wrapper { position: relative; border-radius: 20px; overflow: hidden; background: var(--bg-card); border: 1px solid var(--border-subtle); }
.team-photo-wrapper::before { content: ''; position: absolute; inset: -1px; border-radius: 20px; padding: 1px; background: var(--accent-gradient); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0.5; z-index: 1; }
.team-photo img { width: 100%; height: auto; display: block; }
.team-info { padding-top: 1rem; }
.team-info h2 { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.team-title { font-size: 1rem; color: var(--accent-primary); font-weight: 500; margin-bottom: 0.5rem; }
.team-credentials { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.credential-badge { background: rgba(0, 212, 170, 0.1); border: 1px solid rgba(0, 212, 170, 0.2); padding: 0.4rem 0.75rem; border-radius: 6px; font-size: 0.8rem; color: var(--accent-primary); font-family: var(--font-mono); }
.team-bio { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.8; margin-bottom: 2rem; }
.team-bio p { margin-bottom: 1.25rem; }
.team-cta { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--accent-gradient); color: var(--bg-primary); padding: 1rem 2rem; border-radius: 8px; text-decoration: none; font-weight: 600; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.team-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 40px var(--glow-accent); }

.values-section { padding: 5rem 2rem; background: var(--bg-secondary); }
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 3rem; }
.value-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 16px; padding: 2rem; display: flex; gap: 1.5rem; transition: all 0.3s ease; }
.value-card:hover { background: rgba(255, 255, 255, 0.05); border-color: var(--border-hover); }
.value-number { flex-shrink: 0; width: 48px; height: 48px; background: var(--accent-gradient); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 1.25rem; font-weight: 700; color: var(--bg-primary); }
.value-content h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.75rem; }
.value-content p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

.cta-section { padding: 6rem 2rem; background: var(--bg-primary); position: relative; overflow: hidden; }
.cta-section::before { display: none; }
.cta-content { position: relative; text-align: center; max-width: 700px; margin: 0 auto;background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(0, 136, 204, 0.1)); border: 1px solid rgba(0, 212, 170, 0.2); border-radius: 16px; padding: 3rem; }
.cta-content h2 { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; margin-bottom: 1.5rem; }
.cta-content p { color: var(--text-secondary); font-size: 1.15rem; margin-bottom: 2.5rem; line-height: 1.8; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--accent-gradient); color: var(--bg-primary); padding: 1rem 2rem; border-radius: 8px; text-decoration: none; font-weight: 600; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px var(--glow-accent); }
.btn-secondary { display: inline-flex; align-items: center; gap: 0.5rem; background: transparent; color: var(--text-primary); padding: 1rem 2rem; border-radius: 8px; text-decoration: none; font-weight: 600; border: 1px solid var(--border-hover); transition: all 0.3s ease; }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.05); border-color: var(--text-secondary); }

.footer { background: var(--bg-primary); border-top: 1px solid var(--border-subtle); padding: 4rem 2rem 2rem; }
.footer-container { max-width: 1400px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 4rem; margin-bottom: 3rem; }
.footer-brand { max-width: 300px; }
.footer-brand img { height: 40px; margin-bottom: 1.5rem; }
.footer-brand p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }
.footer-column h4 { font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1.5rem; }
.footer-column a { display: block; color: var(--text-secondary); text-decoration: none; font-size: 0.95rem; margin-bottom: 0.75rem; transition: color 0.3s ease; }
.footer-column a:hover { color: var(--accent-primary); }
.footer-bottom { padding-top: 2rem; border-top: 1px solid var(--border-subtle); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { color: var(--text-muted); font-size: 0.9rem; }
.footer-legal { display: flex; gap: 2rem; }
.footer-legal a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.3s ease; }
.footer-legal a:hover { color: var(--text-secondary); }

@media (max-width: 1024px) {
  .mission-grid { grid-template-columns: repeat(2, 1fr); }
  .team-content { grid-template-columns: 1fr; gap: 2rem; }
  .team-photo-wrapper { max-width: 350px; margin: 0 auto; }
  .values-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .mission-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Industries dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: " \25BE"; font-size: 0.7em; opacity: 0.7; }
.nav-dropdown-menu {
  position: absolute; top: 100%; left: 0; min-width: 230px;
  background: rgba(10,10,11,0.98); backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle); border-radius: 10px;
  padding: 0.5rem 0; display: flex; flex-direction: column;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  box-shadow: 0 16px 40px rgba(0,0,0,0.35); z-index: 1001;
}
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown-menu a { padding: 0.6rem 1.25rem; font-size: 1.05rem; white-space: nowrap; }
.nav-dropdown-menu a:hover { background: rgba(255,255,255,0.05); }
.mobile-subitem { padding-left: 2.5rem !important; opacity: 0.85; }

/* Skip link (accessibility) */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 2000;
  background: var(--accent-primary); color: var(--bg-primary);
  padding: 0.75rem 1.25rem; border-radius: 0 0 8px 0; font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { left: 0; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent-primary); outline-offset: 2px; border-radius: 4px; }