/* NeuroCog.ai — standardized component classes (.nc-*).
   Source: claude-design/project/_ds/.../components/components.css
   Shared by every page: nav, headers, cards, buttons, footer, logo. */

/* ---- Gradient text (h1s, hero title) ---- */
.nc-gradient-text {
  background: var(--gradient-heading);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Hero display title */
.nc-title {
  font-size: calc(2 * var(--p));
  line-height: 4rem;
  letter-spacing: var(--tracking-title);
  white-space: nowrap;
  font-weight: var(--weight-h1);
}

/* ---- Nav ---- */
.nc-nav {
  position: fixed;
  top: 0; right: 0; left: 0;
  z-index: 50;
  width: 100%;
  height: var(--h);
  min-height: 48px;
  max-height: 80px;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-nav);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  box-shadow: var(--shadow-nav);
}
.nc-nav__inner {
  width: var(--c);
  height: 100%;
  margin: auto;
  padding: 1vh 1vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1vw;
}
.nc-nav__logo { display: flex; align-items: center; }
.nc-nav__logo svg { height: var(--p); width: auto; display: block; }
.nc-nav__links {
  display: flex;
  align-items: center;
  gap: 1vw;
  font-size: var(--p);
  line-height: 1.2;
  list-style: none;
  margin: 0; padding: 0;
  font-weight: 600;
}
.nc-nav__links a {
  color: transparent;
  -webkit-text-fill-color: transparent;
  padding-left: 0.25vw;
  background-size: 300% 100%;
  background-position: 100% 0%;
  background-image: linear-gradient(90deg, var(--brand-2) 15%, var(--brand-4) 35%, var(--brand-3) 49%, var(--brand-1) 50%, var(--nav-link-rest) 51%, var(--brand-1) 65%, var(--brand-2) 85%);
  background-clip: text;
  -webkit-background-clip: text;
  transition: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.nc-nav__links a:hover,
.nc-nav__links a:active {
  background-position: 0% 0%;
  transition: background-position var(--duration-nav-pan) linear;
}

/* ---- Mobile nav (hamburger + dropdown) ---- */
.nc-nav__menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  flex: none;
  border: none;
  border-radius: 0.375rem;
  background: transparent;
  color: var(--text-body);
  cursor: pointer;
}
.nc-nav__menu-toggle svg { width: 1.4rem; height: 1.4rem; }
.nc-nav__menu-toggle__close { display: none; }
.nc-nav__menu-toggle[aria-expanded="true"] .nc-nav__menu-toggle__open { display: none; }
.nc-nav__menu-toggle[aria-expanded="true"] .nc-nav__menu-toggle__close { display: block; }

@media (max-width: 720px) {
  .nc-nav__menu-toggle { display: inline-flex; }
  .nc-nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--surface-page);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-nav);
    padding: 0.5rem 5vw 1rem;
  }
  .nc-nav__links.is-open { display: flex; }
  .nc-nav__links li {
    width: 100%;
    padding: 0;
    border-bottom: 1px solid var(--border-color);
  }
  .nc-nav__links li:last-child { border-bottom: none; }
  .nc-nav__links a {
    display: block;
    width: 100%;
    padding: 0.6rem 0;
    font-size: 1.1rem;
  }
}

/* ---- Glass panel: header ---- */
.nc-header {
  text-align: center;
  background: var(--gradient-panel);
  padding: var(--p);
  width: var(--c);
  margin: var(--p) auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-color);
}
.nc-header--offset { margin-top: calc(var(--p) + var(--h)); }
/* CTA section: a plain layout wrapper (no panel chrome), same width as the
   card sections above it so button rows share the same edges as cards. */
.nc-cta {
  text-align: center;
  width: var(--c);
  margin: var(--p) auto;
}
/* Subtitle: an <hgroup> <p>, not a second heading — same size/weight as an
   h2 (its old tag) but scoped here only, so it doesn't affect body <p>s. */
.nc-header p {
  font-size: var(--text-h2);
  font-weight: var(--weight-h2);
  line-height: var(--leading-h2);
  margin: 0;
}

/* ---- Card ---- */
.nc-cards { width: var(--c); margin: 0 auto; }
.nc-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: var(--p);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
  text-align: left;
  margin: var(--p);
  position: relative;
}
@media (min-width: 640px) {
  /* Grid (not inline-block) so cards sharing a row stretch to equal height. */
  .nc-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--p);
  }
  .nc-card {
    margin: 0;
  }
}
.nc-card h3 { display: flex; align-items: center; gap: 0.5em; }

/* ---- Stroke icons (vendored Lucide — replaces emoji) ---- */
.nc-icon { width: 1.15em; height: 1.15em; flex: none; color: var(--brand-3); }

/* ---- "Learn more" link — jumps to the excerpt in the full review ---- */
.nc-learn-more { display: inline-block; margin-top: 0.5em; font-size: 0.85em; font-weight: 600; }
/* Stretch its hit-area over the whole card, so the card itself is clickable */
.nc-card .nc-learn-more::after { content: ""; position: absolute; inset: 0; }
/* Hover affordance only on cards that are actually linkable */
.nc-card:has(.nc-learn-more) {
  cursor: pointer;
  transition: border-color var(--duration-hover) var(--ease-standard), transform var(--duration-hover) var(--ease-standard);
}
.nc-card:has(.nc-learn-more):hover {
  border-color: var(--brand-3);
  transform: translateY(-1px);
}

/* ---- Scroll reveal: cards and section headings fade/rise in as they enter view ---- */
@media (prefers-reduced-motion: no-preference) {
  main section > h2,
  .nc-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-standard), transform 0.6s var(--ease-standard);
  }
  main section > h2.is-visible,
  .nc-card.is-visible {
    opacity: 1;
    transform: none;
  }
  .nc-cards .nc-card:nth-child(2n).is-visible { transition-delay: 0.08s; }
}

/* ---- Form input (investors request form) ---- */
.nc-input {
  min-height: var(--min-target);
  padding: 0 1rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-color);
  background: var(--surface-card);
  color: var(--text-body);
  font-size: 1rem;
  font-family: var(--font-sans);
}
.nc-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---- Buttons ---- */
.nc-btn {
  min-height: var(--min-target);
  padding: var(--p);
  border-radius: var(--radius-card);
  background: var(--gradient-button);
  color: #ffffff;
  font-size: var(--p);
  font-weight: var(--weight-cta);
  font-family: var(--font-sans);
  letter-spacing: var(--tracking-base);
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-button);
  transition: all var(--duration-hover) var(--ease-standard);
  white-space: nowrap;
}
.nc-btn:hover { transform: scale(1.05); color: #ffffff; }

/* Animated hero variant — 4-stop brand gradient panning */
.nc-btn--pan {
  border-radius: var(--radius-card);
  padding: 1vh 3vw;
  background-image: var(--gradient-brand-x);
  background-size: 300% 100%;
  background-position: 0% 50%;
  animation: nc-btn-gradient-pan 5s ease-in-out infinite;
  transition: transform 0.18s var(--ease-standard), box-shadow 0.18s var(--ease-standard);
}
.nc-btn--pan:hover {
  transform: translateY(-0.125rem);
  box-shadow: var(--shadow-button-hover);
}
@keyframes nc-btn-gradient-pan {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ---- Footer ---- */
.nc-footer {
  width: 100%;
  margin: 0;
  padding: var(--p) 0;
  border-top: 1px solid var(--border-color);
  background: var(--surface-footer);
  box-shadow: var(--shadow-nav);
  text-align: center;
}
.nc-social { text-align: center; margin-bottom: var(--p); display: flex; justify-content: center; gap: 1rem; }
.nc-social a {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  transition: all var(--duration-hover) var(--ease-standard);
}
.nc-social a:hover { transform: scale(1.05); }
.nc-social svg { width: 100%; height: 100%; display: block; }

/* ---- Logo stroke draw-in ---- */
.nc-logo-path {
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 10;
  fill: none;
}
.nc-logo--animated .nc-logo-path {
  stroke-dasharray: 1.1;
  stroke-dashoffset: 1.1;
  animation: nc-logo-draw linear forwards;
}
@keyframes nc-logo-draw {
  to { stroke-dashoffset: 0; }
}
/* Logo gradient stops — theme-reactive (bright ramp on dark, deep ramp on light) */
.nc-logo-stop-1 { stop-color: var(--brand-1); }
.nc-logo-stop-2 { stop-color: var(--brand-2); }
.nc-logo-stop-3 { stop-color: var(--brand-3); }
.nc-logo-stop-4 { stop-color: var(--brand-4); }

/* ---- Theme toggle (sliding switch) ---- */
.nc-nav__right { display: flex; align-items: center; gap: 1vw; }
.nc-theme-toggle {
  display: inline-flex;
  align-items: center;
  flex: none;
  width: 2.75rem;
  height: 1.5rem;
  padding: 0.1875rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background-color: var(--surface-card);
  cursor: pointer;
  transition: background-color var(--duration-hover) var(--ease-standard), border-color var(--duration-hover) var(--ease-standard);
}
.nc-theme-toggle:hover {
  border-color: var(--accent);
}
.nc-theme-toggle__thumb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  background-color: var(--text-body);
  color: var(--surface-page);
  transform: translateX(0);
  transition: transform var(--duration-hover) var(--ease-standard), background-color var(--duration-hover) var(--ease-standard), color var(--duration-hover) var(--ease-standard);
}
[data-theme="light"] .nc-theme-toggle__thumb {
  transform: translateX(1.25rem);
  background-color: var(--accent);
  color: #ffffff;
}
.nc-theme-toggle svg { width: 0.75rem; height: 0.75rem; }
.nc-theme-toggle__sun { display: none; }
.nc-theme-toggle__moon { display: block; }
[data-theme="light"] .nc-theme-toggle__sun { display: block; }
[data-theme="light"] .nc-theme-toggle__moon { display: none; }