/* Lystd — Mobile-first, responsive, performant */

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

:root {
  --accent: #FF5A6E;
  --bg: #000;
  --text: #fff;
  --text-muted: rgba(255, 255, 255, 0.7);
  --space-xs: clamp(0.5rem, 2vw, 0.75rem);
  --space-sm: clamp(1rem, 3vw, 1.25rem);
  --space-md: clamp(1.5rem, 4vw, 2rem);
  --space-lg: clamp(2rem, 5vw, 3rem);
  --space-xl: clamp(3rem, 8vw, 5rem);
  --touch-min: 44px;
  --safe-top: env(safe-area-inset-top, 0);
  --safe-bottom: env(safe-area-inset-bottom, 0);
  --safe-left: env(safe-area-inset-left, 0);
  --safe-right: env(safe-area-inset-right, 0);
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Header — responsive across devices */
.header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  padding-top: calc(var(--space-sm) + var(--safe-top));
  padding-left: calc(var(--space-md) + var(--safe-left));
  padding-right: calc(var(--space-md) + var(--safe-right));
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.logo {
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  text-decoration: none;
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
}

.header nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  justify-content: flex-end;
}

.header nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: clamp(0.8rem, 2vw, 0.9rem);
  padding: 0.5em 0;
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  transition: color 0.2s;
}

.header nav a:hover {
  color: var(--accent);
}

@media (max-width: 639px) {
  .header {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .header nav {
    justify-content: center;
  }
}

/* Main */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  padding-left: calc(var(--space-md) + var(--safe-left));
  padding-right: calc(var(--space-md) + var(--safe-right));
}

/* Hero */
.hero {
  text-align: center;
  max-width: 600px;
  margin-bottom: var(--space-xl);
}

.hero h1 {
  font-size: clamp(2rem, 5vw + 1rem, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: clamp(0.9rem, 2vw, 1rem);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--text);
}

.btn-primary:hover {
  background: #ff6b7d;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Features — 1 col mobile, 2 col tablet, 3 col desktop */
.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: 900px;
  width: 100%;
  contain: layout;
}

@media (min-width: 600px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: var(--space-md);
  text-align: center;
  contain: layout;
}

.feature-card h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.25rem);
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.feature-card p {
  font-size: clamp(0.9rem, 2vw, 0.95rem);
  color: var(--text-muted);
  line-height: 1.5;
}

/* Footer — responsive wrapping */
.footer {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  padding-bottom: calc(var(--space-md) + var(--safe-bottom));
  padding-left: calc(var(--space-sm) + var(--safe-left));
  padding-right: calc(var(--space-sm) + var(--safe-right));
  color: var(--text-muted);
  font-size: clamp(0.8rem, 2vw, 0.875rem);
}

.footer p {
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.8;
}

.footer a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.35em 0;
  display: inline-block;
  -webkit-tap-highlight-color: transparent;
}

.footer a:hover {
  color: var(--accent);
}

/* Page layout (privacy, terms) */
.page {
  max-width: min(640px, 90vw);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  padding-left: calc(var(--space-md) + var(--safe-left));
  padding-right: calc(var(--space-md) + var(--safe-right));
}

.page h1 {
  font-size: clamp(1.5rem, 4vw, 1.75rem);
  margin-bottom: var(--space-md);
}

.page p {
  color: var(--text-muted);
  line-height: 1.7;
}

.page a {
  color: var(--accent);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.page a:hover {
  text-decoration: underline;
}

/* Legal / policy documents */
.legal-doc {
  max-width: min(720px, 90vw);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  padding-left: calc(var(--space-md) + var(--safe-left));
  padding-right: calc(var(--space-md) + var(--safe-right));
  contain: layout;
}

.legal-doc h1 {
  font-size: clamp(1.5rem, 4vw, 1.75rem);
  margin-bottom: 0.5rem;
}

.legal-doc .updated {
  color: var(--text-muted);
  font-size: clamp(0.8rem, 2vw, 0.875rem);
  margin-bottom: var(--space-lg);
}

.legal-doc h3 {
  font-size: clamp(1rem, 2vw, 1.05rem);
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
  color: var(--text);
}

.legal-doc h2 {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  font-weight: 600;
  margin: var(--space-lg) 0 0.75rem;
  color: var(--accent);
}

.legal-doc p, .legal-doc li {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.legal-doc ul, .legal-doc ol {
  margin: 0.5rem 0 1rem 1.5rem;
  padding: 0;
}

.legal-doc li {
  margin-bottom: 0.5rem;
}

.legal-doc a {
  color: var(--accent);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

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

.legal-doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.legal-doc th,
.legal-doc td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.legal-doc th {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 600;
}

.legal-doc tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

@media (max-width: 600px) {
  .legal-doc table, .legal-doc thead, .legal-doc tbody, .legal-doc th, .legal-doc td, .legal-doc tr {
    display: block;
  }
  .legal-doc thead { display: none; }
  .legal-doc tr { margin-bottom: 1rem; border: 1px solid rgba(255, 255, 255, 0.12); }
  .legal-doc td {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
  }
  .legal-doc td::before {
    content: attr(data-label);
    font-weight: 600;
    margin-right: 0.5rem;
  }
}

/* Reset password page */
.reset-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  padding-top: calc(var(--space-lg) + var(--safe-top));
  padding-bottom: calc(var(--space-lg) + var(--safe-bottom));
  padding-left: calc(var(--space-md) + var(--safe-left));
  padding-right: calc(var(--space-md) + var(--safe-right));
  text-align: center;
}

.reset-page h1 {
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  margin-bottom: var(--space-sm);
}

.reset-page p {
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.reset-page .btn {
  margin-bottom: var(--space-sm);
}

.reset-page .fallback-link {
  font-size: clamp(0.85rem, 2vw, 0.9rem);
  color: var(--text-muted);
}

.reset-page .fallback-link a {
  color: var(--accent);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.reset-page .fallback-link a:hover {
  text-decoration: underline;
}

/* Safety standards page */
.safety-main {
  flex: 1;
  width: 100%;
  max-width: min(720px, 92vw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  contain: layout;
}

.safety-hero {
  text-align: center;
  margin-bottom: var(--space-md);
}

.safety-hero h1 {
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
  line-height: 1.2;
}

.safety-subtitle {
  font-size: clamp(1.05rem, 2.5vw, 1.125rem);
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.safety-intro {
  color: var(--text-muted);
  text-align: left;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
  font-size: clamp(0.95rem, 2vw, 1rem);
}

.safety-body.legal-doc {
  margin: 0;
  padding-top: 0;
  max-width: 100%;
}

.safety-principles {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin: var(--space-md) 0 var(--space-lg);
}

@media (min-width: 600px) {
  .safety-principles {
    grid-template-columns: repeat(2, 1fr);
  }
}

.safety-principle-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: var(--space-md);
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.safety-principle-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.safety-csae {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  margin: 1rem 0 1.25rem;
}

.safety-email-block {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 90, 110, 0.35);
  border-radius: 12px;
  padding: var(--space-md);
  margin: var(--space-md) 0;
  text-align: center;
}

.safety-email-block p {
  color: var(--text-muted);
}

.safety-email-block a {
  color: var(--accent);
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
}

.safety-email-block a:hover {
  text-decoration: underline;
}

.safety-related {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.safety-related p {
  margin-bottom: 0;
}

/* FAQ page */
.faq-main {
  flex: 1;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  padding-left: calc(var(--space-md) + var(--safe-left));
  padding-right: calc(var(--space-md) + var(--safe-right));
  max-width: min(720px, 92vw);
  margin: 0 auto;
  width: 100%;
  contain: layout;
}

.faq-hero {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.faq-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.faq-subtitle {
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  font-size: clamp(0.95rem, 2vw, 1rem);
}

.faq-search-wrap {
  position: relative;
  max-width: min(420px, 95vw);
  margin: 0 auto 0.5rem;
}

.faq-search {
  width: 100%;
  min-height: var(--touch-min);
  padding: 0.875rem 1rem 0.875rem 2.75rem;
  font-size: 16px;
  font-family: inherit;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  color: var(--text);
  transition: border-color 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.faq-search::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

.faq-search:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
}

.faq-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.125rem;
  pointer-events: none;
}

.faq-results {
  font-size: clamp(0.8rem, 2vw, 0.875rem);
  color: var(--text-muted);
  min-height: 1.25rem;
}

.faq-content {
  margin-top: var(--space-sm);
}

.faq-section {
  margin-bottom: var(--space-lg);
}

.faq-section-hidden {
  display: none !important;
}

.faq-section h2 {
  font-size: clamp(1.1rem, 2.5vw, 1.25rem);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.faq-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s;
}

.faq-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.faq-item-highlight {
  border-color: rgba(255, 90, 110, 0.4);
  background: rgba(255, 90, 110, 0.06);
}

.faq-item-hidden {
  display: none !important;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--touch-min);
  padding: 1rem 1.25rem;
  font-size: clamp(0.95rem, 2vw, 1rem);
  font-weight: 500;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question::after {
  content: '';
  flex-shrink: 0;
  width: 0.5rem;
  height: 0.5rem;
  margin-left: 0.75rem;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform 0.2s;
}

[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
}

.faq-answer[hidden] {
  display: none !important;
}

.faq-answer p,
.faq-answer li {
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.faq-answer ul {
  margin: 0.5rem 0 0 1.25rem;
  padding: 0;
}

.faq-answer li {
  margin-bottom: 0.35rem;
}

.faq-answer a {
  color: var(--accent);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.faq-answer a:hover {
  text-decoration: underline;
}

.faq-no-results {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--text-muted);
}

.faq-no-results #faq-query {
  color: var(--accent);
  font-weight: 500;
}