/* =========================================================
   Aurora Bridges — Stylesheet
   Design concept: night-sky base with aurora borealis gradient
   accents, a warm gold thread as a quiet nod to Austria.
   ========================================================= */

:root {
  /* Color tokens */
  --bg-night:        #0A0E1A;
  --bg-panel:        #10192B;
  --bg-panel-raised: #16213A;
  --line:            rgba(242, 244, 248, 0.10);

  --text-primary:    #F2F4F8;
  --text-muted:      #A9B1C6;

  --aurora-teal:     #2FE6B8;
  --aurora-violet:   #8B6CF6;
  --aurora-blue:     #3E8FC4;
  --gold:            #E8B96A;

  /* Type */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --max-width: 1160px;
  --gutter: clamp(20px, 5vw, 64px);
}

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

body {
  margin: 0;
  background: linear-gradient(180deg, #0A0E1A 0%, #0C2036 50%, #0E3350 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; max-width: 62ch; color: var(--text-muted); }

/* Visible keyboard focus */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--aurora-teal);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------------------------------------------------------
   Header / Navigation
   --------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 26, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark { width: 38px; height: 38px; object-fit: contain; }

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.brand-name span { color: var(--aurora-teal); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.main-nav a {
  font-size: 0.92rem;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--text-primary);
}

.main-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, var(--aurora-teal), var(--aurora-violet));
  border-radius: 2px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.lang-switch button {
  background: none;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 3px;
  cursor: pointer;
  line-height: 0;
  opacity: 0.55;
  transition: opacity 0.15s ease, border-color 0.15s ease;
}

.lang-switch button:hover { opacity: 0.85; }

.lang-switch button[aria-pressed="true"] {
  opacity: 1;
  border-color: var(--line);
}

.lang-switch svg { width: 22px; height: 16px; display: block; border-radius: 2px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg-panel);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px var(--gutter) 24px;
    border-bottom: 1px solid var(--line);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 8px 0; width: 100%; }
  .nav-toggle { display: block; }
}

/* ---------------------------------------------------------
   Page-wide animated background (fixed, sits behind everything)
   --------------------------------------------------------- */
.hero, .page-hero {
  position: relative;
}

.hero {
  padding: clamp(72px, 14vw, 148px) 0 clamp(64px, 10vw, 108px);
}

body::before {
  content: "";
  position: fixed;
  inset: -15%;
  z-index: -3;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 15% 10%, rgba(47, 230, 184, 1), transparent 52%),
    radial-gradient(ellipse 50% 42% at 85% 18%, rgba(168, 255, 235, 0.95), transparent 52%),
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(62, 143, 196, 0.95), transparent 58%);
  filter: blur(14px) hue-rotate(0deg);
  animation: aurora-drift 5s ease-in-out infinite alternate, aurora-hue 9s linear infinite;
}

body::after {
  content: "";
  position: fixed;
  inset: -15%;
  z-index: -3;
  pointer-events: none;
  background:
    radial-gradient(ellipse 40% 32% at 68% 5%, rgba(190, 255, 230, 0.95), transparent 50%),
    radial-gradient(ellipse 38% 45% at 5% 50%, rgba(47, 230, 184, 0.90), transparent 50%),
    radial-gradient(ellipse 45% 32% at 60% 92%, rgba(232, 185, 106, 0.70), transparent 52%);
  filter: blur(16px);
  animation: aurora-drift-2 4s ease-in-out infinite alternate;
  mix-blend-mode: screen;
}

.site-glow-3 {
  position: fixed;
  inset: -15%;
  z-index: -3;
  pointer-events: none;
  background:
    radial-gradient(ellipse 35% 30% at 40% 35%, rgba(139, 108, 246, 0.35), transparent 55%),
    radial-gradient(ellipse 42% 38% at 92% 60%, rgba(47, 230, 184, 0.55), transparent 55%),
    radial-gradient(ellipse 38% 30% at 20% 80%, rgba(168, 255, 235, 0.45), transparent 55%);
  filter: blur(20px);
  animation: aurora-drift-3 6.5s ease-in-out infinite alternate;
  mix-blend-mode: screen;
}

.site-stars {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background-image:
    radial-gradient(5px 5px at 10% 18%, rgba(255,255,255,1), transparent 65%),
    radial-gradient(11px 11px at 10% 18%, rgba(255,255,255,0.45), transparent 70%),
    radial-gradient(4px 4px at 24% 9%, rgba(255,255,255,1), transparent 65%),
    radial-gradient(9px 9px at 24% 9%, rgba(255,255,255,0.4), transparent 70%),
    radial-gradient(5.5px 5.5px at 58% 14%, rgba(232,185,106,1), transparent 65%),
    radial-gradient(12px 12px at 58% 14%, rgba(232,185,106,0.5), transparent 70%),
    radial-gradient(4px 4px at 74% 7%, rgba(255,255,255,1), transparent 65%),
    radial-gradient(9px 9px at 74% 7%, rgba(255,255,255,0.4), transparent 70%),
    radial-gradient(4.5px 4.5px at 40% 24%, rgba(255,255,255,1), transparent 65%),
    radial-gradient(10px 10px at 40% 24%, rgba(255,255,255,0.4), transparent 70%),
    radial-gradient(5px 5px at 90% 28%, rgba(255,255,255,1), transparent 65%),
    radial-gradient(11px 11px at 90% 28%, rgba(255,255,255,0.4), transparent 70%),
    radial-gradient(4px 4px at 6% 40%, rgba(255,255,255,0.95), transparent 65%),
    radial-gradient(9px 9px at 6% 40%, rgba(255,255,255,0.35), transparent 70%),
    radial-gradient(5px 5px at 95% 12%, rgba(255,255,255,1), transparent 65%),
    radial-gradient(10px 10px at 95% 12%, rgba(255,255,255,0.4), transparent 70%),
    radial-gradient(4.5px 4.5px at 50% 6%, rgba(255,255,255,0.95), transparent 65%),
    radial-gradient(9px 9px at 50% 6%, rgba(255,255,255,0.35), transparent 70%),
    radial-gradient(4px 4px at 30% 35%, rgba(255,255,255,0.9), transparent 65%),
    radial-gradient(9px 9px at 30% 35%, rgba(255,255,255,0.35), transparent 70%),
    radial-gradient(3.6px 3.6px at 16% 55%, rgba(255,255,255,0.9), transparent 65%),
    radial-gradient(3.6px 3.6px at 66% 42%, rgba(232,185,106,0.9), transparent 65%),
    radial-gradient(4px 4px at 82% 48%, rgba(255,255,255,0.9), transparent 65%),
    radial-gradient(3.6px 3.6px at 46% 15%, rgba(255,255,255,0.85), transparent 65%),
    radial-gradient(4px 4px at 62% 32%, rgba(255,255,255,0.85), transparent 65%),
    radial-gradient(3.6px 3.6px at 4% 22%, rgba(255,255,255,0.8), transparent 65%),
    radial-gradient(4px 4px at 98% 38%, rgba(255,255,255,0.85), transparent 65%),
    radial-gradient(3.6px 3.6px at 36% 45%, rgba(255,255,255,0.8), transparent 65%),
    radial-gradient(4px 4px at 78% 18%, rgba(255,255,255,0.85), transparent 65%),
    radial-gradient(3.6px 3.6px at 20% 12%, rgba(255,255,255,0.8), transparent 65%),
    radial-gradient(3.8px 3.8px at 54% 55%, rgba(255,255,255,0.85), transparent 65%),
    radial-gradient(3.6px 3.6px at 12% 65%, rgba(232,185,106,0.85), transparent 65%),
    radial-gradient(4px 4px at 88% 8%, rgba(255,255,255,0.8), transparent 65%),
    radial-gradient(3.6px 3.6px at 70% 60%, rgba(255,255,255,0.8), transparent 65%),
    radial-gradient(3.8px 3.8px at 34% 8%, rgba(255,255,255,0.85), transparent 65%),
    radial-gradient(3.6px 3.6px at 8% 30%, rgba(255,255,255,0.75), transparent 65%),
    radial-gradient(4px 4px at 60% 20%, rgba(255,255,255,0.8), transparent 65%),
    radial-gradient(3.6px 3.6px at 44% 38%, rgba(232,185,106,0.8), transparent 65%),
    radial-gradient(3.8px 3.8px at 26% 48%, rgba(255,255,255,0.8), transparent 65%),
    radial-gradient(3.6px 3.6px at 96% 22%, rgba(255,255,255,0.75), transparent 65%);
  animation: star-twinkle 1.6s ease-in-out infinite alternate;
}

@keyframes star-twinkle {
  0%   { opacity: 0.5; }
  50%  { opacity: 1; }
  100% { opacity: 0.6; }
}

@keyframes aurora-drift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-18%, 14%, 0) scale(1.42); }
}

@keyframes aurora-drift-2 {
  0%   { transform: translate3d(12%, -10%, 0) scale(1.18); }
  100% { transform: translate3d(-16%, 16%, 0) scale(1.45); }
}

@keyframes aurora-drift-3 {
  0%   { transform: translate3d(-10%, 8%, 0) scale(1.1) rotate(0deg); }
  100% { transform: translate3d(10%, -8%, 0) scale(1.3) rotate(6deg); }
}

@keyframes aurora-hue {
  0%   { filter: blur(14px) hue-rotate(0deg); }
  50%  { filter: blur(14px) hue-rotate(40deg); }
  100% { filter: blur(14px) hue-rotate(0deg); }
}

@media (prefers-reduced-motion: reduce) {
  body::before, body::after, .site-glow-3, .site-stars { animation: none; }
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 48px;
  align-items: end;
}

.hero-eyebrow {
  color: var(--gold);
  font-size: 0.85rem;
  margin-bottom: 18px;
  font-weight: 500;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  color: var(--text-primary);
  max-width: 14ch;
}

.hero-lede {
  max-width: 42ch;
  font-size: 1.05rem;
  margin-top: 18px;
}

.hero-aside {
  border-left: 1px solid var(--line);
  padding-left: 28px;
}

.hero-aside p { font-size: 0.95rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 12px 22px;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--aurora-teal), var(--aurora-blue));
  color: #051019;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn:hover { filter: brightness(1.08); }

@media (max-width: 780px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-aside { border-left: none; border-top: 1px solid var(--line); padding-left: 0; padding-top: 24px; }
}

.hero-inner.single { grid-template-columns: 1fr; }

.hero-inner.single.centered {
  justify-items: center;
  text-align: center;
}

.hero.cover {
  padding-top: 28px;
  padding-bottom: 32px;
}

.hero-logo-mark {
  width: clamp(110px, 16vw, 180px);
  height: auto;
  margin: 0 auto 20px;
  display: block;
}

.hero-full-logo {
  display: block;
  margin: 0 auto;
  max-height: 62vh;
  max-width: min(94%, 640px);
  width: auto;
  height: auto;
}

.hero-wordmark {
  margin: 0;
  line-height: 1;
}

.hero-wordmark .line1 {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.hero-wordmark .line2 {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.6vw, 2.2rem);
  color: var(--aurora-teal);
  letter-spacing: 0.18em;
  margin-top: 0.15em;
}

/* ---------------------------------------------------------
   Content sections (asymmetric split)
   --------------------------------------------------------- */
.section {
  padding: clamp(56px, 9vw, 100px) 0;
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: 56px;
}

.split-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--text-primary);
}

.split-head .kicker {
  color: var(--aurora-teal);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 10px;
  display: block;
}

.split-body p { max-width: 68ch; }

.pillars {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.pillars li {
  padding-left: 22px;
  position: relative;
  color: var(--text-muted);
}

.pillars li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--aurora-teal), var(--aurora-violet));
}

.pillars strong { color: var(--text-primary); font-weight: 600; }

@media (max-width: 780px) {
  .split { grid-template-columns: 1fr; gap: 24px; }
}

/* ---------------------------------------------------------
   Page hero (secondary pages)
   --------------------------------------------------------- */
.page-hero {
  padding: clamp(56px, 10vw, 96px) 0 clamp(36px, 6vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-hero .kicker { color: var(--gold); font-size: 0.85rem; font-weight: 500; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); max-width: 20ch; margin-top: 10px; }
.page-hero .lede { max-width: 60ch; margin-top: 14px; }

.page-hero-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.page-hero-text { flex: 1 1 auto; min-width: 0; }

.page-hero-action {
  flex-shrink: 0;
  padding-top: 4px;
}

@media (max-width: 600px) {
  .page-hero-row { flex-direction: column; }
}

.page-hero--tight {
  padding-bottom: clamp(20px, 3vw, 28px);
}

.portal-content {
  padding-top: clamp(28px, 4vw, 40px);
  padding-bottom: clamp(40px, 6vw, 64px);
}

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 32px;
  margin-top: 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-inner p { margin: 0; font-size: 0.85rem; color: var(--text-muted); }

.footer-mark {
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--aurora-teal), var(--aurora-violet), var(--aurora-blue));
  opacity: 0.6;
  margin-bottom: 28px;
}

/* ---------------------------------------------------------
   Member login
   --------------------------------------------------------- */
.login-card {
  max-width: 380px;
  margin: 0 auto;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px;
}

.login-field {
  display: block;
  margin-bottom: 18px;
  text-align: left;
}

.login-field span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.login-field input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--bg-night);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.login-field input:focus-visible {
  outline: 2px solid var(--aurora-teal);
  outline-offset: 1px;
}

.login-submit {
  width: 100%;
  justify-content: center;
  border: none;
  cursor: pointer;
  margin-top: 6px;
}

.login-note {
  max-width: 380px;
  margin: 20px auto 0;
  font-size: 0.85rem;
}

.login-error {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: 6px;
  background: rgba(217, 84, 84, 0.12);
  border: 1px solid rgba(217, 84, 84, 0.35);
  color: #ff9b9b;
  font-size: 0.85rem;
  text-align: left;
}

/* ---------------------------------------------------------
   Member portal (protected area)
   --------------------------------------------------------- */
.portal-logout {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-primary);
}

.portal-block {
  margin-top: 28px;
}

.portal-block:first-child {
  margin-top: 0;
}

.portal-block h2 {
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.portal-doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.portal-doc {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
}

.portal-doc a {
  color: var(--aurora-teal);
  font-weight: 500;
}

.portal-doc a:hover { text-decoration: underline; }

.portal-video-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.portal-video-title {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.portal-video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-panel);
}

.portal-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.portal-empty {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---------------------------------------------------------
   Events list
   --------------------------------------------------------- */
.portal-event-list {
  display: grid;
  gap: 14px;
}

.portal-event {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 16px;
  justify-content: space-between;
}

.portal-event-info { flex: 1 1 320px; min-width: 0; }

.portal-event-date {
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.portal-event-title {
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 6px;
}

.portal-event-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0;
}

.portal-event-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.portal-event-actions a {
  white-space: nowrap;
  text-align: center;
  font-size: 0.88rem;
  padding: 9px 16px;
}

.portal-event-doc-link {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--aurora-teal);
}

/* ---------------------------------------------------------
   Change password
   --------------------------------------------------------- */
.portal-password-card {
  max-width: 380px;
  margin: 0;
}

.portal-success {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: 6px;
  background: rgba(47, 230, 184, 0.12);
  border: 1px solid rgba(47, 230, 184, 0.35);
  color: var(--aurora-teal);
  font-size: 0.85rem;
  text-align: left;
}

/* ---------------------------------------------------------
   Footer privacy link
   --------------------------------------------------------- */
.footer-privacy-link {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-privacy-link:hover { color: var(--text-primary); }

/* ---------------------------------------------------------
   Privacy policy page
   --------------------------------------------------------- */
.privacy-content h2 {
  font-size: 1.2rem;
  margin: 32px 0 10px;
}

.privacy-content h2:first-child { margin-top: 0; }

.privacy-content p {
  max-width: 72ch;
}