/* Comergence — Custom Styles */
/* Dark, professional, teal/green accent */

:root {
  --comergence-green: #22c55e;
  --comergence-teal: #14b8a6;
  --comergence-blue: #3b82f6;
  --comergence-purple: #a855f7;
  --comergence-dark: #0a0a0f;
  --comergence-card: #1a1a2e;
}

/* ── Logo / Brand ─────────────────────────────────────────── */
.md-header__title {
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* ── Hero on home page ────────────────────────────────────── */
.comergence-hero {
  text-align: center;
  padding: 4rem 2rem 3rem;
  background: linear-gradient(160deg, #0d1b2a 0%, #0a1628 50%, #0d1f1b 100%);
  border-radius: 0.5rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(20, 184, 166, 0.15);
  position: relative;
  overflow: hidden;
}

.comergence-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(20,184,166,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.comergence-hero h1 {
  font-size: 3rem;
  font-weight: 200;
  letter-spacing: 8px;
  text-transform: uppercase;
  background: linear-gradient(135deg, #22c55e, #14b8a6, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}

.comergence-hero .tagline {
  font-size: 1.1rem;
  color: #94a3b8;
  font-style: italic;
  letter-spacing: 1px;
  margin-bottom: 2rem;
}

.comergence-hero .cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  max-width: 700px;
  margin: 0 auto;
}

.cta-card {
  background: rgba(20, 184, 166, 0.08);
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: 0.5rem;
  padding: 1.25rem 1rem;
  text-decoration: none !important;
  transition: all 0.2s ease;
  display: block;
}

.cta-card:hover {
  background: rgba(20, 184, 166, 0.15);
  border-color: rgba(20, 184, 166, 0.5);
  transform: translateY(-2px);
}

.cta-card .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #64748b;
  display: block;
  margin-bottom: 0.25rem;
}

.cta-card .title {
  font-size: 0.95rem;
  color: #14b8a6;
  font-weight: 500;
}

/* ── Phase cards ──────────────────────────────────────────── */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.phase-card {
  background: rgba(20, 184, 166, 0.05);
  border: 1px solid rgba(20, 184, 166, 0.15);
  border-left: 3px solid var(--comergence-teal);
  border-radius: 0.5rem;
  padding: 1.25rem;
}

.phase-card h3 {
  color: var(--comergence-teal) !important;
  margin-top: 0 !important;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Quotes / callouts ────────────────────────────────────── */
blockquote {
  border-left: 3px solid var(--comergence-teal) !important;
  background: rgba(20, 184, 166, 0.05) !important;
  padding: 0.75rem 1.25rem !important;
  border-radius: 0 0.25rem 0.25rem 0;
  font-style: italic;
  color: #94a3b8;
}

/* ── Table improvements ───────────────────────────────────── */
.md-typeset table:not([class]) {
  border: 1px solid rgba(20, 184, 166, 0.15);
}

.md-typeset table:not([class]) th {
  background-color: rgba(20, 184, 166, 0.1);
  color: var(--comergence-teal);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 1px;
}

.md-typeset table:not([class]) td {
  border-color: rgba(255,255,255,0.05);
}

/* ── Iframe container for architecture visual ─────────────── */
.architecture-frame-container {
  width: 100%;
  height: 0;
  padding-bottom: 75%;
  position: relative;
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: 0.5rem;
  overflow: hidden;
  background: #0a0a0f;
}

.architecture-frame-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ── Admonition tweaks ────────────────────────────────────── */
.md-typeset .admonition,
.md-typeset details {
  border-color: rgba(20, 184, 166, 0.3) !important;
}

/* ── Heading accents ──────────────────────────────────────── */
.md-typeset h1 {
  color: #e2e8f0;
  font-weight: 300;
  letter-spacing: 2px;
}

.md-typeset h2 {
  color: #cbd5e1;
  border-bottom: 1px solid rgba(20, 184, 166, 0.2);
  padding-bottom: 0.3rem;
}

/* ── Nav tweaks ───────────────────────────────────────────── */
.md-nav__title {
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #475569 !important;
}

/* ── Footer ───────────────────────────────────────────────── */
.md-footer {
  background: #080810;
}

.md-footer-meta {
  background: #060609;
}

/* ── Subtle pulse on header ───────────────────────────────── */
.md-header {
  background: rgba(8, 8, 20, 0.95) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(20, 184, 166, 0.1);
}

/* ── Tab bar ──────────────────────────────────────────────── */
.md-tabs {
  background: rgba(10, 10, 20, 0.98) !important;
  border-bottom: 1px solid rgba(20, 184, 166, 0.1);
}

.md-tabs__link--active {
  color: var(--comergence-teal) !important;
}