@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ─── DESIGN SYSTEM ─────────────────────────────────────
   Psionic Triangle — psionicresearch.com
   Premium dark — Linear.app meets CIA briefing room
   ─────────────────────────────────────────────────────── */

:root {
  --bg-0:    #06060a;
  --bg-1:    #0c0c14;
  --bg-2:    #111120;
  --bg-3:    #181830;

  --surface-1: rgba(255,255,255,0.04);
  --surface-2: rgba(255,255,255,0.07);

  --border-subtle:  rgba(255,255,255,0.07);
  --border-default: rgba(255,255,255,0.12);
  --border-strong:  rgba(255,255,255,0.22);

  --accent:      #22d3ee;
  --accent-mid:  #06b6d4;
  --gold:        #e2a832;
  --gold-dim:    #b8841a;

  --text-1: #f0f0f8;
  --text-2: #a0a0bc;
  --text-3: #58586a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-0);
  color: var(--text-1);
  font-family: 'Inter', system-ui, sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  line-height: 1.2;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

/* ─── LAYOUT ─── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── NAV ─── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6,6,10,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  max-width: 1100px;
  margin: 0 auto;
  height: 60px;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-1);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo .accent { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text-1); }

.nav-links a.cta {
  color: var(--accent);
  border: 1px solid rgba(34,211,238,0.3);
  padding: 6px 14px;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-links a.cta:hover {
  background: rgba(34,211,238,0.1);
  border-color: var(--accent);
}

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-mid));
  color: #06060a;
  transition: all 0.2s;
  box-shadow: 0 0 30px rgba(34,211,238,0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 45px rgba(34,211,238,0.4);
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  color: #06060a;
  transition: all 0.2s;
  box-shadow: 0 0 30px rgba(226,168,50,0.25);
}

.btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 45px rgba(226,168,50,0.4);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--border-default);
  color: var(--text-1);
  transition: all 0.2s;
}

.btn-ghost:hover {
  border-color: var(--border-strong);
  background: var(--surface-1);
}

/* ─── CARDS ─── */
.card {
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  border-radius: 12px;
  transition: border-color 0.2s, background 0.2s;
  padding: 28px;
}

.card:hover {
  border-color: var(--border-default);
  background: var(--surface-2);
}

.card-glow {
  background: rgba(34,211,238,0.04);
  border: 1px solid rgba(34,211,238,0.18);
  backdrop-filter: blur(16px);
  border-radius: 12px;
  box-shadow: 0 0 60px rgba(34,211,238,0.06), inset 0 1px 0 rgba(255,255,255,0.05);
  padding: 28px;
}

/* ─── BADGE ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-cyan {
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.25);
  color: var(--accent);
}

.badge-gold {
  background: rgba(226,168,50,0.1);
  border: 1px solid rgba(226,168,50,0.25);
  color: var(--gold);
}

/* ─── HERO ─── */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse at 50% 0%, rgba(34,211,238,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero h1 .accent { color: var(--accent); }
.hero h1 .gold { color: var(--gold); }

.hero .subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-2);
  max-width: 600px;
  margin: 0 auto 16px;
}

.hero .tagline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 36px;
}

/* ─── SECTIONS ─── */
section {
  padding: 80px 0;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 48px;
}

/* ─── GRID ─── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 20px;
}

/* ─── ARTICLE ─── */
.article-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.article-body {
  color: var(--text-1);
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-body h2 {
  font-size: 1.5rem;
  margin: 48px 0 16px;
  color: var(--text-1);
}

.article-body h3 {
  font-size: 1.15rem;
  margin: 32px 0 12px;
  color: var(--accent);
}

.article-body p {
  margin-bottom: 20px;
  color: var(--text-2);
}

.article-body p strong {
  color: var(--text-1);
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
  color: var(--text-2);
}

.article-body li {
  margin-bottom: 8px;
}

.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 24px;
  margin: 32px 0;
  background: var(--surface-1);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--text-2);
}

.article-cta {
  margin-top: 64px;
  padding: 40px;
  background: rgba(34,211,238,0.04);
  border: 1px solid rgba(34,211,238,0.18);
  border-radius: 16px;
  text-align: center;
}

.article-cta h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.article-cta p {
  color: var(--text-2);
  margin-bottom: 24px;
}

/* ─── EMAIL FORM ─── */
.email-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.email-form input {
  flex: 1;
  min-width: 200px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  color: var(--text-1);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.email-form input:focus {
  border-color: var(--accent);
}

.email-form input::placeholder { color: var(--text-3); }

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 32px;
  margin-top: 80px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-brand p {
  color: var(--text-2);
  font-size: 0.875rem;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin-bottom: 16px;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--text-1); }

.footer-bottom {
  max-width: 1100px;
  margin: 32px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--text-3);
  font-size: 0.8rem;
}

/* ─── DIVIDER ─── */
.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .nav-links {
    display: none;
  }
  .hero { padding: 60px 0 40px; }
  section { padding: 48px 0; }
}

@media (max-width: 480px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .hero h1 { font-size: 1.8rem; }
}