/* ============================================================
   CoinPilot App — main.css
   Loaded async via media="print" + onload trick.
   Critical above-the-fold styles are inlined in <head>.
   ============================================================ */

:root {
  --color-primary: #1B4DFF;
  --color-primary-hover: #0033CC;
  --color-primary-soft: #E8EFFF;

  --color-bg: #FAFAFA;
  --color-bg-alt: #F2F4F8;
  --color-bg-dark: #0A0E27;
  --color-bg-dark-2: #131938;

  --color-text: #0A0E27;
  --color-text-light: #FAFAFA;
  --color-muted: #6B7280;
  --color-muted-light: rgba(250, 250, 250, 0.72);
  --color-border: #E5E7EB;
  --color-border-dark: rgba(255, 255, 255, 0.08);

  --color-accent-warm: #FFB800;
  --color-accent-success: #00C896;
  --color-error: #FF3939;

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

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(10, 14, 39, 0.06);
  --shadow-md: 0 4px 16px rgba(10, 14, 39, 0.08);
  --shadow-lg: 0 24px 48px -12px rgba(10, 14, 39, 0.18);
  --shadow-glow: 0 16px 48px -16px rgba(27, 77, 255, 0.45);

  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --duration-fast: 160ms;
  --duration-base: 240ms;
}

/* ============================================================
   Accessibility utilities
   ============================================================ */

.skip-link {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  z-index: 100;
  border-radius: var(--radius-sm);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   Section base
   ============================================================ */

.section {
  padding: var(--space-12) 0;
  background: var(--color-bg);
}
@media (max-width: 768px) {
  .section { padding: var(--space-8) 0; }
}

.section-alt { background: var(--color-bg-alt); }

.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
}
.section-dark h2,
.section-dark h3,
.section-dark h4 { color: var(--color-text-light); }
.section-dark p { color: var(--color-muted-light); }

.section-eyebrow {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-2);
}
.section-eyebrow-light { color: var(--color-accent-warm); }
.section-dark .section-eyebrow { color: var(--color-accent-warm); }

.section-lead {
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  color: var(--color-muted-light);
  max-width: 65ch;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.section-closing {
  margin-top: var(--space-6);
  font-size: 1rem;
  color: var(--color-muted-light);
  max-width: 75ch;
}

/* ============================================================
   Hero — extra polish below the critical CSS baseline
   ============================================================ */

.hero-h1-accent {
  background: linear-gradient(120deg, #4F7BFF 0%, #00D9FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

/* ============================================================
   Section 2 — Problem + Why now
   ============================================================ */

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0 var(--space-8);
}

.problem-stat {
  padding: var(--space-4);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}
.problem-stat:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-soft);
}

.stat-number {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.5;
}
.stat-source {
  display: inline-block;
  margin-top: 0.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--color-muted);
  opacity: 0.7;
}

.problem-narrative {
  max-width: 75ch;
}
.problem-narrative p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.problem-conclusion {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.25rem, 2vw, 1.625rem) !important;
  font-weight: 600;
  color: var(--color-primary) !important;
  margin-top: var(--space-4) !important;
}

/* ============================================================
   Section 3 — How it works (features)
   ============================================================ */

.feature-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}
.feature-row:last-child { border-bottom: none; }

@media (min-width: 900px) {
  .feature-row {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-12);
  }
  .feature-row-reverse .feature-text { order: 2; }
  .feature-row-reverse .feature-screenshot { order: 1; }
}

.feature-number {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.feature-text h3 {
  margin-bottom: var(--space-3);
}

.feature-text p {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

.feature-points {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 0;
  display: grid;
  gap: 0.625rem;
}
.feature-points li {
  position: relative;
  padding-left: 1.75rem;
  font-size: 0.9375rem;
  color: var(--color-text);
}
.feature-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 1rem;
  height: 1rem;
  background: var(--color-accent-success);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px #fff,
              inset 0 0 0 5px var(--color-accent-success);
}

.feature-screenshot {
  margin: 0;
  display: flex;
  justify-content: center;
}
.feature-screenshot img {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, #E8EFFF 0%, #fff 100%);
  aspect-ratio: 375 / 812;
  object-fit: cover;
}

/* ============================================================
   Section 4 — Why CoinPilot (dark)
   ============================================================ */

.heritage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: var(--space-6) 0 var(--space-8);
}
@media (min-width: 768px) {
  .heritage-grid { grid-template-columns: 1fr 1fr; }
}

.heritage-card {
  padding: var(--space-4);
  background: var(--color-bg-dark-2);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}
.heritage-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.heritage-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  margin-bottom: var(--space-3);
}
.heritage-tag-green {
  color: #00E5A8;
  background: rgba(0, 200, 150, 0.12);
  border: 1px solid rgba(0, 200, 150, 0.25);
}
.heritage-tag-blue {
  color: #6E94FF;
  background: rgba(27, 77, 255, 0.12);
  border: 1px solid rgba(27, 77, 255, 0.3);
}

.heritage-card h3 {
  font-size: 1.375rem;
  margin-bottom: var(--space-2);
}
.heritage-card p {
  font-size: 0.9375rem;
  line-height: 1.65;
}

.equation {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text-light);
  background: linear-gradient(180deg, rgba(27, 77, 255, 0.08) 0%, rgba(27, 77, 255, 0.02) 100%);
  border: 1px solid rgba(27, 77, 255, 0.18);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) auto;
  max-width: 28rem;
  white-space: pre;
  text-align: left;
  overflow-x: auto;
}

/* ============================================================
   Section 5 — Waitlist / CTA
   ============================================================ */

.section-cta {
  background: linear-gradient(180deg, #FAFAFA 0%, #E8EFFF 100%);
  text-align: center;
}

.social-proof {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.proof-number {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-primary);
}
.proof-text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.waitlist-subtitle {
  font-size: 1.0625rem;
  color: var(--color-muted);
  max-width: 50ch;
  margin: 0 auto var(--space-4);
  line-height: 1.6;
}

.waitlist-form {
  display: grid;
  gap: var(--space-2);
  max-width: 28rem;
  margin: 0 auto var(--space-3);
}
@media (min-width: 540px) {
  .waitlist-form {
    grid-template-columns: 1fr auto;
  }
}

.waitlist-form input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  min-height: 48px;
}
.waitlist-form input::placeholder { color: #9CA3AF; }
.waitlist-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(27, 77, 255, 0.15);
}
.waitlist-form input.is-invalid {
  border-color: var(--color-error);
}

.form-meta {
  font-size: 0.8125rem;
  color: var(--color-muted);
  max-width: 42rem;
  margin: 0 auto;
  line-height: 1.5;
}

.waitlist-feedback {
  margin-top: var(--space-3);
  font-size: 0.9375rem;
  font-weight: 500;
  min-height: 1.5em;
}
.waitlist-feedback.is-success { color: var(--color-accent-success); }
.waitlist-feedback.is-error { color: var(--color-error); }

/* ============================================================
   Section 6 — Roadmap
   ============================================================ */

.roadmap-list {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0 0;
  position: relative;
  counter-reset: roadmap;
}

.roadmap-item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
  position: relative;
}
.roadmap-item:last-child { border-bottom: 1px solid var(--color-border); }

@media (min-width: 768px) {
  .roadmap-item {
    grid-template-columns: 140px 1fr;
    gap: var(--space-4);
    padding: var(--space-4) 0;
  }
}

.roadmap-marker {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  padding-top: 0.25rem;
}

.roadmap-current .roadmap-marker {
  position: relative;
}
.roadmap-current .roadmap-marker::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-success);
  margin-right: 0.5rem;
  vertical-align: middle;
  animation: roadmap-pulse 2.2s ease-in-out infinite;
}

@keyframes roadmap-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 200, 150, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(0, 200, 150, 0); }
}

.roadmap-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.roadmap-status {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-success);
  background: rgba(0, 200, 150, 0.1);
  border: 1px solid rgba(0, 200, 150, 0.25);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}
.roadmap-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}
.roadmap-body p:not(.roadmap-date) {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin: 0;
}

/* ============================================================
   Section 7 — Team
   ============================================================ */

.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
@media (min-width: 720px) {
  .team-grid { grid-template-columns: 1fr 1fr; }
}

.team-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}
.team-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.team-photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-soft), #fff);
  flex-shrink: 0;
}
.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Open-position placeholder (vacant co-founder seat) */
.team-photo--vacant {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--color-primary);
  background: var(--color-primary-soft);
}
.team-photo--vacant span {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
}
.team-card--vacant {
  border-style: dashed;
  border-color: var(--color-primary);
}
.team-role--open {
  color: var(--color-accent-success, var(--color-primary));
  font-weight: 700;
}

.team-card h3 {
  font-size: 1.375rem;
  margin: 0;
}
.team-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  color: var(--color-primary);
  margin: 0;
}
.team-bio {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin: 0;
}
.team-link {
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: auto;
  align-self: flex-start;
}

/* ============================================================
   Section 8 — Investors (dark)
   ============================================================ */

.section-investor {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}
.section-investor::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 40%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(27, 77, 255, 0.18) 0%, transparent 70%);
  pointer-events: none;
}
.section-investor h2,
.section-investor h3 { color: var(--color-text-light); position: relative; }
.section-investor p { color: var(--color-muted-light); position: relative; }

.investor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin: var(--space-6) 0;
  position: relative;
}
@media (min-width: 768px) {
  .investor-grid { grid-template-columns: repeat(4, 1fr); }
}

.investor-stat {
  padding: var(--space-3);
  background: var(--color-bg-dark-2);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
}
.investor-stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted-light);
  margin-bottom: 0.5rem;
}
.investor-stat-value {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--color-text-light);
  line-height: 1.1;
}

.investor-body {
  position: relative;
  max-width: 70ch;
}
.investor-h3 {
  font-size: 1.25rem;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}
.investor-materials {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.625rem;
}
.investor-materials li {
  font-size: 0.9375rem;
  color: var(--color-muted-light);
  padding-left: 1.5rem;
  position: relative;
}
.investor-materials li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent-warm);
  border-radius: 50%;
}

.investor-cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
}
.investor-cta-note {
  font-size: 0.875rem !important;
  color: var(--color-muted-light) !important;
  margin: 0 !important;
}

/* ============================================================
   Section 9 — FAQ
   ============================================================ */

.faq-list {
  margin-top: var(--space-6);
  display: grid;
  gap: 0.5rem;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-out);
}
.faq-item[open] {
  border-color: var(--color-primary-soft);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-3);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.25rem;
  color: var(--color-muted);
  transition: transform var(--duration-base) var(--ease-out);
}
.faq-item[open] summary::after {
  content: '−';
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 var(--space-3) var(--space-3);
}
.faq-answer p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-muted);
}
.faq-answer a {
  color: var(--color-primary);
  font-weight: 500;
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  background: var(--color-bg-dark);
  color: var(--color-muted-light);
  padding: var(--space-8) 0 var(--space-4);
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6) var(--space-4);
  margin-bottom: var(--space-6);
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-6);
  }
}

.footer h4 {
  color: var(--color-text-light);
  font-family: 'Manrope', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-col a {
  color: var(--color-muted-light);
  font-size: 0.875rem;
  transition: color var(--duration-fast) var(--ease-out);
}
.footer-col a:hover { color: var(--color-text-light); }

.footer-col-brand p {
  margin: 0;
  line-height: 1.6;
}
.footer-muted {
  font-size: 0.8125rem;
  color: rgba(250, 250, 250, 0.45);
}
.footer-sep { opacity: 0.4; padding: 0 0.25rem; }

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-dark);
  font-size: 0.8125rem;
  color: rgba(250, 250, 250, 0.55);
}
.footer-bottom p { margin: 0; }
@media (min-width: 720px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

.lang-switcher {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
}
.lang-switcher a {
  color: rgba(250, 250, 250, 0.55);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: all var(--duration-fast) var(--ease-out);
}
.lang-switcher a:hover { color: var(--color-text-light); background: rgba(255, 255, 255, 0.06); }
.lang-switcher a[aria-current="page"] {
  color: var(--color-text-light);
  background: rgba(27, 77, 255, 0.2);
}
.lang-switcher a[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
}

/* ============================================================
   Header language switcher (dropdown)
   ============================================================ */

.lang-switcher-wrap {
  position: relative;
  display: inline-block;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(250, 250, 250, 0.78);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  padding: 0.375rem 0.625rem;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  min-height: 32px;
}
.lang-toggle:hover {
  color: #FAFAFA;
  border-color: rgba(255, 255, 255, 0.3);
}
.lang-toggle[aria-expanded="true"] {
  color: #FAFAFA;
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.06);
}
.lang-toggle-caret {
  font-size: 0.75rem;
  line-height: 1;
  transition: transform var(--duration-fast) var(--ease-out);
}
.lang-toggle[aria-expanded="true"] .lang-toggle-caret {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  margin: 0;
  padding: 0.375rem;
  list-style: none;
  background: #131938;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  box-shadow: 0 16px 40px -8px rgba(0, 0, 0, 0.6);
  z-index: 60;
  font-size: 0.9375rem;
}
.lang-menu[hidden] {
  display: none;
}
.lang-menu li {
  margin: 0;
}
.lang-menu a,
.lang-menu li > span {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  color: rgba(250, 250, 250, 0.85);
  text-decoration: none;
  line-height: 1.3;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}
.lang-menu a:hover,
.lang-menu a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: #FAFAFA;
  outline: none;
}
.lang-menu [aria-selected="true"] a {
  background: rgba(27, 77, 255, 0.22);
  color: #FAFAFA;
  font-weight: 500;
}
.lang-menu [aria-selected="true"] a::after {
  content: '✓';
  float: right;
  color: var(--color-accent-success);
  margin-left: 0.5rem;
}
.lang-menu-disabled > span {
  color: rgba(250, 250, 250, 0.4);
  cursor: not-allowed;
}
.lang-menu-disabled em {
  font-style: normal;
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ============================================================
   Scroll-triggered fade-in (animations.js attaches .is-visible)
   ============================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms var(--ease-out),
              transform 600ms var(--ease-out);
  will-change: opacity, transform;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Legal pages (privacy / terms / cookies / imprint)
   ============================================================ */

.legal-page {
  padding: var(--space-12) 0;
  max-width: 760px;
  margin: 0 auto;
}
.legal-page h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-2);
}
.legal-page .legal-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}
.legal-page h2 {
  font-size: 1.5rem;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}
.legal-page h3 {
  font-size: 1.125rem;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}
.legal-page p,
.legal-page li {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
}
.legal-page ul {
  padding-left: 1.25rem;
}

/* ============================================================
   Panda Helper chat widget
   ============================================================ */

.panda-root {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 9999;
  pointer-events: none;
}
.panda-root > * { pointer-events: auto; }

.panda-bubble {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border: 0;
  border-radius: 50%;
  padding: 0;
  background: linear-gradient(135deg, #E8EFFF 0%, #ffffff 100%);
  box-shadow: 0 14px 32px -8px rgba(10, 14, 39, 0.35),
              0 0 0 1px rgba(10, 14, 39, 0.06);
  cursor: pointer;
  transition: transform 200ms var(--ease-out),
              box-shadow 200ms var(--ease-out);
  animation: panda-float 4.5s ease-in-out infinite;
}
.panda-bubble:hover { transform: translateY(-4px); }
.panda-bubble:active { transform: translateY(-1px) scale(0.98); }
.panda-bubble:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.panda-bubble-mark { display: inline-flex; }
.panda-bubble-mark svg { display: block; }

.panda-bubble .panda-eyes circle:first-child,
.panda-bubble .panda-eyes circle:nth-child(2) {
  transform-box: fill-box;
  transform-origin: center;
  animation: panda-blink 6s ease-in-out infinite;
}

.panda-bubble-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  opacity: 0;
  pointer-events: none;
  animation: panda-pulse 3s ease-out infinite;
}

@keyframes panda-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

@keyframes panda-blink {
  0%, 92%, 100% { transform: scaleY(1); }
  94%, 96%      { transform: scaleY(0.05); }
}

@keyframes panda-pulse {
  0%   { opacity: 0.55; transform: scale(1); }
  60%  { opacity: 0; transform: scale(1.45); }
  100% { opacity: 0; transform: scale(1.45); }
}

/* Panel */

.panda-panel {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  width: min(380px, calc(100vw - 2.5rem));
  height: min(560px, calc(100vh - 6rem));
  background: #131938;
  color: var(--color-text-light);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  box-shadow: 0 28px 64px -16px rgba(10, 14, 39, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: panda-panel-in 220ms var(--ease-out);
  z-index: 10000;
}
.panda-panel[hidden] { display: none; }

@keyframes panda-panel-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.panda-panel-head {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 0.875rem;
  background: linear-gradient(135deg, #1B4DFF 0%, #0033CC 100%);
  position: relative;
}

.panda-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.panda-panel-titles { flex: 1; min-width: 0; }
.panda-panel-title {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  line-height: 1.1;
}
.panda-panel-subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.78);
  margin-top: 0.125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.panda-icon-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 0;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1.125rem;
  line-height: 1;
  cursor: pointer;
  transition: background 160ms var(--ease-out);
}
.panda-icon-btn:hover { background: rgba(255, 255, 255, 0.22); }
.panda-icon-btn:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

/* Messages */

.panda-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: #0A0E27;
}

.panda-msg { max-width: 85%; }
.panda-msg-body {
  font-size: 0.9375rem;
  line-height: 1.45;
  padding: 0.625rem 0.875rem;
  border-radius: 14px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.panda-msg-panda { align-self: flex-start; }
.panda-msg-panda .panda-msg-body {
  background: rgba(255, 255, 255, 0.07);
  color: rgba(250, 250, 250, 0.95);
  border-bottom-left-radius: 4px;
}

.panda-msg-user { align-self: flex-end; }
.panda-msg-user .panda-msg-body {
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.panda-msg-thinking .panda-msg-body {
  opacity: 0.6;
  font-style: italic;
  position: relative;
}
.panda-msg-thinking .panda-msg-body::after {
  content: '';
  display: inline-block;
  width: 16px;
  text-align: left;
  animation: panda-dots 1.4s steps(4, end) infinite;
}
@keyframes panda-dots {
  0%   { content: ''; }
  25%  { content: '.'; }
  50%  { content: '..'; }
  75%  { content: '...'; }
  100% { content: ''; }
}

/* Form */

.panda-form {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  background: #131938;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.panda-input {
  flex: 1;
  resize: none;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-light);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 0.625rem 0.75rem;
  font-family: inherit;
  font-size: 0.9375rem;
  line-height: 1.4;
  max-height: 120px;
  overflow-y: auto;
  outline: none;
  transition: border-color 160ms var(--ease-out);
}
.panda-input::placeholder { color: rgba(250, 250, 250, 0.4); }
.panda-input:focus { border-color: rgba(27, 77, 255, 0.6); }
.panda-input:disabled { opacity: 0.5; cursor: not-allowed; }

.panda-send {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 0;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.125rem;
  cursor: pointer;
  transition: background 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.panda-send:hover:not(:disabled) { background: var(--color-primary-hover); transform: translateY(-1px); }
.panda-send:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.panda-send:disabled { opacity: 0.4; cursor: not-allowed; }

.panda-meta {
  padding: 0.5rem 0.875rem 0.625rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  line-height: 1.4;
  color: rgba(250, 250, 250, 0.45);
  background: #131938;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.panda-meta a { color: rgba(250, 250, 250, 0.7); text-decoration: underline; }
.panda-meta a:hover { color: #fff; }

/* Mobile: full-screen drawer */
@media (max-width: 540px) {
  .panda-panel {
    bottom: 0;
    right: 0;
    left: 0;
    width: auto;
    height: 100vh;
    height: 100dvh;
    border-radius: 0;
    border: 0;
  }
  .panda-root { bottom: 1rem; right: 1rem; }
  .panda-bubble { width: 56px; height: 56px; }
  html.panda-open { overflow: hidden; }
}

@media (prefers-reduced-motion: reduce) {
  .panda-bubble, .panda-bubble-pulse,
  .panda-bubble .panda-eyes circle:first-child,
  .panda-bubble .panda-eyes circle:nth-child(2),
  .panda-panel {
    animation: none !important;
  }
}
