/* Paragon Alliance — shared styles
 * Single source of truth for design tokens and components.
 * See STYLE_GUIDE.md for usage rationale.
 */

/* ============ Design tokens ============ */
:root {
  --color-primary: #7C4DFF;
  --color-on-primary: #FFFFFF;
  --color-bg: #121218;
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-surface-strong: rgba(255, 255, 255, 0.07);
  --color-accent-1: #26C6DA;
  --color-accent-2: #E0E0E0;
  --color-fg: #F0F0F4;
  --color-fg-dim: #9A9AA8;
  --color-line: rgba(255, 255, 255, 0.08);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  --container-max: 1100px;
  --nav-height: 64px;
}

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

img, svg { display: block; max-width: 100%; }

ul { list-style: none; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ============ Layout ============ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  width: 100%;
}

.section { padding: var(--space-12) 0; }

.section-head { margin-bottom: var(--space-8); max-width: 60ch; }
.section-head h2 { margin-top: var(--space-3); }
.section-head p { color: var(--color-fg-dim); margin-top: var(--space-3); font-size: 1.05rem; }

/* ============ Typography ============ */
h1, h2, h3 { letter-spacing: -0.01em; line-height: 1.15; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 600; }

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-primary) 18%, transparent);
  color: var(--color-primary);
  border: 1px solid color-mix(in srgb, var(--color-primary) 35%, transparent);
}

.text-accent { color: var(--color-accent-1); }

/* ============ Header / nav ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(18, 18, 24, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  height: var(--nav-height);
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-fg);
  font-weight: 800;
  letter-spacing: 0.05em;
  font-size: 0.95rem;
}
.brand:hover { text-decoration: none; }
.brand-mark { width: 32px; height: 32px; color: var(--color-primary); flex-shrink: 0; }
.brand-name .dot { color: var(--color-primary); margin: 0 0.15em; }

.nav-menu {
  display: none;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
}
.nav-menu a {
  color: var(--color-fg-dim);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-menu a:hover { color: var(--color-fg); text-decoration: none; }
.nav-menu a.active { color: var(--color-fg); }
.nav-menu a.active::after {
  content: "";
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  margin-top: 2px;
}

.nav-cta { margin-left: var(--space-4); }

.nav-toggle {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-fg);
  cursor: pointer;
  padding: var(--space-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
}
.nav-toggle svg { width: 22px; height: 22px; }

.nav-mobile {
  display: none;
  border-top: 1px solid var(--color-line);
  background: rgba(18, 18, 24, 0.95);
  padding: var(--space-4) var(--space-6) var(--space-6);
}
.nav-mobile.open { display: block; }
.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}
.nav-mobile a {
  color: var(--color-fg);
  font-size: 1rem;
  padding: var(--space-3) 0;
  display: block;
}
.nav-mobile a.active { color: var(--color-primary); }
.nav-mobile .btn { width: 100%; justify-content: center; }

@media (min-width: 760px) {
  .nav-toggle { display: none; }
  .nav-menu { display: flex; }
  .nav-mobile { display: none !important; }
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: 1px solid var(--color-primary);
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: filter 0.15s ease, transform 0.15s ease, background 0.15s ease;
  min-height: 44px;
}
.btn:hover { text-decoration: none; filter: brightness(1.12); }
.btn:active { transform: translateY(1px); }

.btn.ghost {
  background: transparent;
  color: var(--color-primary);
}
.btn.ghost:hover {
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  filter: none;
}

.btn.sm { padding: 0.5rem 0.9rem; font-size: 0.88rem; min-height: 0; }
.btn.lg { padding: 0.9rem 1.6rem; font-size: 1.05rem; }

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: var(--space-16) 0 var(--space-12);
  overflow: hidden;
  background:
    radial-gradient(1100px 500px at 80% -10%,
      color-mix(in srgb, var(--color-primary) 20%, transparent), transparent 60%),
    radial-gradient(900px 400px at -10% 110%,
      color-mix(in srgb, var(--color-accent-1) 12%, transparent), transparent 60%);
}
.hero h1 { margin-top: var(--space-4); max-width: 20ch; }
.hero h1 em { font-style: normal; color: var(--color-accent-1); }
.hero p.lede {
  color: var(--color-fg-dim);
  margin-top: var(--space-4);
  max-width: 55ch;
  font-size: 1.1rem;
}
.hero-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.hero.compact { padding: var(--space-12) 0 var(--space-8); }

/* ============ Cards ============ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-line)); }

.card-icon {
  width: 36px;
  height: 36px;
  background: color-mix(in srgb, var(--color-primary) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.card-icon svg { width: 20px; height: 20px; }

.card h3 { margin-bottom: var(--space-2); }
.card p { color: var(--color-fg-dim); font-size: 0.95rem; }

.card .badge {
  align-self: flex-start;
  margin-top: var(--space-4);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-1);
  border: 1px solid color-mix(in srgb, var(--color-accent-1) 35%, transparent);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* Org card specifics */
.org-card { gap: var(--space-3); }

.org-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.org-logo {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-strong);
  border: 1px solid var(--color-line);
  object-fit: cover;
  flex-shrink: 0;
}
.org-title { min-width: 0; flex: 1; }
.org-title h3 { margin-bottom: 2px; }
.org-symbol {
  color: var(--color-fg-dim);
  font-size: 0.78rem;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  letter-spacing: 0.05em;
}

.org-card .org-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.org-card .org-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--color-surface-strong);
  color: var(--color-fg-dim);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.org-card .org-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
}
.org-card .org-links a { font-size: 0.88rem; font-weight: 600; }
.org-link-disabled {
  color: var(--color-fg-dim);
  font-size: 0.85rem;
  font-style: italic;
  opacity: 0.7;
}

/* ============ Events page — calendar ============ */
.calendar-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  overflow: hidden;
}
.calendar-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg);
}
.calendar-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  /* Google Calendar embed renders white. We invert + hue-rotate to fit the dark theme. */
  filter: invert(0.92) hue-rotate(180deg) saturate(1.1);
}
@media (max-width: 760px) {
  .calendar-frame { aspect-ratio: 3 / 4; }
}

.calendar-note {
  margin-top: var(--space-4);
  color: var(--color-fg-dim);
  font-size: 0.92rem;
}

/* ============ Contact page ============ */
.contact-cta {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-6);
  text-align: center;
  background-image:
    radial-gradient(600px 220px at 50% 0%,
      color-mix(in srgb, var(--color-primary) 14%, transparent), transparent 70%);
}
.contact-cta h2 { margin-bottom: var(--space-3); }
.contact-cta p {
  color: var(--color-fg-dim);
  max-width: 50ch;
  margin: 0 auto var(--space-6);
  font-size: 1.05rem;
}

.discord-icon { width: 20px; height: 20px; }

/* ============ Placeholder state ============ */
.placeholder {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  background: var(--color-surface);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-lg);
}
.placeholder h3 { margin-bottom: var(--space-3); font-size: 1.25rem; }
.placeholder p {
  color: var(--color-fg-dim);
  max-width: 50ch;
  margin: 0 auto var(--space-6);
}

/* ============ Footer ============ */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-8) 0;
  margin-top: var(--space-16);
  color: var(--color-fg-dim);
  font-size: 0.88rem;
}
.footer-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.footer-links a { color: var(--color-fg-dim); }
.footer-links a:hover { color: var(--color-fg); text-decoration: none; }
.footer-disclaimer {
  font-size: 0.78rem;
  color: var(--color-fg-dim);
  opacity: 0.75;
  max-width: 65ch;
  line-height: 1.55;
}

@media (min-width: 760px) {
  .footer-grid { gap: var(--space-6); }
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}