/**
 * GAMMA - Component Styles
 */

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(245,243,238,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
  padding: 0 40px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink);
  text-decoration: none;
}
.nav-brand span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }

.nav-cta {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  padding: 9px 20px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--accent); }

/* Hamburger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all 0.25s;
  transform-origin: center;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  position: fixed;
  top: 54px;
  right: 0;
  width: 280px;
  height: calc(100vh - 54px);
  background: var(--paper);
  border-left: 1px solid var(--rule);
  z-index: 99;
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  gap: 4px;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.nav-drawer.open { transform: translateX(0); }
.nav-drawer a {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  transition: color 0.2s;
}
.nav-drawer a:hover { color: var(--ink); }
.nav-drawer .drawer-cta {
  margin-top: auto;
  background: var(--ink);
  color: var(--signal) !important;
  padding: 16px 20px;
  text-align: center;
  border: none !important;
  font-size: 13px;
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(14,15,17,0.4);
  z-index: 98;
}
.nav-overlay.open { display: block; }

/* EEG Container */
.eeg-container {
  background: var(--ink);
  border-radius: 2px;
  padding: 28px 28px 20px;
  position: relative;
}
.eeg-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}
.eeg-main-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245,243,238,0.4);
  margin-bottom: 4px;
}
.eeg-state-name {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--signal);
  letter-spacing: 0.04em;
}
.eeg-hz-badge {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(245,243,238,0.35);
  background: rgba(255,255,255,0.05);
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.08);
}
.eeg-canvas-wrap {
  position: relative;
  height: 130px;
  margin: 0 -28px 18px;
  overflow: hidden;
}
canvas#eegCanvas {
  width: 100%;
  height: 100%;
  display: block;
}
.eeg-phase-bar {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
}
.eeg-phase-seg {
  height: 3px;
  border-radius: 1px;
  flex: 1;
  opacity: 0.3;
  transition: opacity 0.4s;
}
.eeg-phase-seg.active { opacity: 1; }
.eeg-phase-seg.p1 { background: var(--alpha); }
.eeg-phase-seg.p2 { background: var(--gamma-c); }
.eeg-phase-seg.p3 { background: var(--alpha); }
.eeg-legend {
  display: flex;
  gap: 20px;
}
.eeg-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(245,243,238,0.45);
  letter-spacing: 0.08em;
}
.eeg-legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.eeg-session-label {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245,243,238,0.2);
  text-align: center;
}

/* Mechanism cards */
.mechanism-card {
  background: var(--paper);
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
}
.mechanism-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}
.mechanism-card.alpha::before { background: var(--alpha); }
.mechanism-card.theta::before { background: var(--theta); }
.mechanism-card.gamma-card::before { background: var(--gamma-c); }

.card-hz {
  font-family: var(--mono);
  font-size: 42px;
  font-weight: 300;
  line-height: 1;
  margin-bottom: 4px;
}
.alpha .card-hz { color: var(--alpha); }
.theta .card-hz { color: var(--theta); }
.gamma-card .card-hz { color: var(--gamma-c); }

.card-unit {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.card-wave { height: 40px; margin-bottom: 20px; }
.card-title {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 10px;
}
.card-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
}

/* Wave SVG */
.wave-svg { width: 100%; overflow: visible; }

/* Profile tabs */
.profiles-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--rule);
  flex-wrap: wrap;
}
.profile-tab {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--paper);
  border: none;
  border-right: 1px solid var(--rule);
  padding: 14px 20px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.profile-tab:last-child { border-right: none; }
.profile-tab.active {
  background: var(--ink);
  color: var(--signal);
}

.profile-content {
  display: none;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-top: none;
}
.profile-content.active { display: block; }

/* Pricing card */
.pricing-card {
  display: grid;
  grid-template-columns: 320px 1px 1fr;
  gap: 0;
  background: var(--ink);
  margin-top: 60px;
  overflow: hidden;
}
.pricing-left {
  padding: 52px 44px;
}
.pricing-right {
  padding: 52px 52px;
}
.pricing-divider {
  background: rgba(255,255,255,0.05);
  width: 1px;
}
.pricing-price-row {
  display: flex;
  align-items: flex-start;
  gap: 3px;
  margin-bottom: 8px;
  line-height: 1;
}
.pricing-currency {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 300;
  color: rgba(245,243,238,0.5);
  margin-top: 8px;
}
.pricing-currency-code {
  font-family: var(--mono);
  font-size: 15px;
  color: rgba(245,243,238,0.3);
  margin-top: 12px;
  letter-spacing: 0.08em;
}
.pricing-meta {
  font-family: var(--mono);
  font-size: 13px;
  color: rgba(245,243,238,0.3);
  letter-spacing: 0.06em;
  margin-bottom: 32px;
}
.pricing-guarantee {
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(245,243,238,0.25);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}
.pricing-badge {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  background: rgba(200,169,110,0.1);
  border: 1px solid rgba(200,169,110,0.2);
  padding: 5px 12px;
  display: inline-block;
  margin-bottom: 28px;
}
.pricing-number {
  font-family: var(--serif);
  font-size: 64px;
  color: var(--paper);
  letter-spacing: -0.02em;
  line-height: 1;
}
.pricing-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 17px;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
  margin-bottom: 16px;
}
.pricing-cta-btn:hover { background: #dfc07e; }
.pricing-section-title {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245,243,238,0.3);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.pricing-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.pricing-feature-icon {
  width: 22px;
  height: 22px;
  background: rgba(200,169,110,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.pricing-feature-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
  margin-bottom: 3px;
}
.pricing-feature-desc {
  font-family: var(--mono);
  font-size: 13px;
  color: rgba(245,243,238,0.3);
  letter-spacing: 0.04em;
  line-height: 1.5;
}
.pricing-exclusions-title {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245,243,238,0.2);
  margin-top: 8px;
  margin-bottom: 12px;
}
.pricing-exclusions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 13px;
  color: rgba(245,243,238,0.2);
  letter-spacing: 0.06em;
}
.cta-footer-note {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-align: center;
  margin-top: 28px;
}

/* Footer */
footer {
  background: var(--ink);
  padding: 48px 40px;
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-logo-link { display: inline-block; line-height: 0; }
.footer-logo {
  width: 125px;
  height: auto;
  opacity: 0.7;
  transition: opacity 0.2s;
  filter: brightness(0) invert(1);
}
.footer-logo-link:hover .footer-logo { opacity: 1; }
.footer-tagline {
  font-family: var(--mono);
  font-size: 11px;
  font-style: italic;
  letter-spacing: 0.04em;
  color: rgba(245,243,238,0.35);
  max-width: 340px;
  line-height: 1.5;
}
.footer-disclaimer {
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(245,243,238,0.25);
  max-width: 600px;
  line-height: 1.6;
  letter-spacing: 0.04em;
}