:root {
  /* App light theme (mobile/src/theme.ts palettes.light, EV-0107); the site stays light. */
  color-scheme: light;
  --bg-color: #F6F7F5;
  --surface-color: #FFFFFF;
  --surface-hover: #EEF1F5;
  --border-color: #E8ECEF;
  --border-subtle: #D5DBE1;
  --text-main: #17232F;
  --text-secondary: #4E5B68;
  --text-muted: #667381;
  --primary: #3659D9;
  --primary-hover: #2C4BC0;
  --primary-light: #EAF0FF;
  --primary-border: #C6D3F5;
  --accent-green: #117A63;
  --accent-green-bg: #EAF7F1;
  --accent-amber: #8F5C0B;
  --accent-amber-bg: #FFF4DE;
  --accent-red: #A73530;
  --accent-red-bg: #F9EAE5;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px 0 rgb(23 35 47 / 0.05);
  --shadow-md: 0 6px 16px -6px rgb(23 35 47 / 0.12);
  --shadow-lg: 0 14px 32px -12px rgb(23 35 47 / 0.18);
  --max-width: 900px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.15rem;
}

.brand:hover {
  text-decoration: none;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background-color: var(--primary-light);
  text-decoration: none;
}

/* Hero Section */
.hero {
  padding-block: 56px 40px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: var(--primary-light);
  border: 1px solid var(--primary-border);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  line-height: 1.25;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #ffffff;
}

.btn-outline {
  background-color: var(--surface-color);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: var(--surface-hover);
}

.btn-danger {
  background-color: var(--accent-red);
  color: #ffffff;
}

.btn-danger:hover {
  background-color: #8E2C28;
  color: #ffffff;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.feature-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
  display: inline-block;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Home sections */
.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 48px 0 8px;
  text-wrap: balance;
}

.section-lead {
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 20px;
}

.section-lead.english {
  margin: 32px auto 0;
  font-size: 0.92rem;
  text-align: center;
  color: var(--text-muted);
}

.flow {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 24px 0 8px;
  counter-reset: none;
}

.flow-step {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.flow-num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.flow-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.flow-step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.language-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.language-list li {
  padding: 8px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--primary-border);
  background-color: var(--primary-light);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
}

/* Content Pages (Legal, Support, Privacy) */
.page-header {
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.prose {
  color: var(--text-main);
}

.prose h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.prose h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 24px 0 12px;
}

.prose p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.prose ul, .prose ol {
  margin: 12px 0 20px 24px;
  color: var(--text-secondary);
}

.prose li {
  margin-bottom: 8px;
}

.prose strong {
  color: var(--text-main);
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 20px 0 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--surface-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

th {
  background-color: var(--surface-hover);
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

tr:last-child td {
  border-bottom: none;
}

/* Alerts / Callouts */
.callout {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin: 24px 0;
  border-left: 4px solid;
}

.callout-info {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--text-main);
}

.callout-warning {
  background-color: var(--accent-amber-bg);
  border-color: var(--accent-amber);
  color: var(--text-main);
}

.callout-danger {
  background-color: var(--accent-red-bg);
  border-color: var(--accent-red);
  color: var(--text-main);
}

.callout-title {
  font-weight: 700;
  margin-bottom: 6px;
}

/* Step list */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0;
}

.step-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  margin-top: 64px;
  border-top: 1px solid var(--border-color);
  background-color: var(--surface-color);
  padding: 40px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

@media (max-width: 640px) {
  .hero h1 {
    font-size: 1.9rem;
  }
  .header-content {
    flex-direction: column;
    height: auto;
    padding-block: 14px;
    gap: 12px;
  }
  .nav-links {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  .footer-links {
    justify-content: center;
  }
}

/* Anchored sections clear the sticky header. */
section[id] {
  scroll-margin-top: 84px;
}

@media (max-width: 640px) {
  section[id] {
    scroll-margin-top: 136px;
  }
}

/* Header tools: page links and the language menu (EV-0101). */
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.lang-menu {
  position: relative;
}

.lang-menu summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  white-space: nowrap;
}

.lang-menu summary::-webkit-details-marker {
  display: none;
}

.lang-menu summary:hover,
.lang-menu[open] summary {
  color: var(--primary);
  border-color: var(--primary-border);
  background-color: var(--primary-light);
}

.lang-menu ul {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 60;
  list-style: none;
  min-width: 180px;
  max-height: min(70vh, 480px);
  overflow-y: auto;
  padding: 6px;
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.lang-menu li a {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
}

.lang-menu li a:hover {
  background-color: var(--surface-hover);
  text-decoration: none;
}

.lang-menu li a[aria-current="true"] {
  color: var(--primary);
  font-weight: 700;
  background-color: var(--primary-light);
}

@media (max-width: 640px) {
  .header-tools {
    flex-direction: column;
    gap: 10px;
  }
  .lang-menu ul {
    right: 50%;
    transform: translateX(50%);
  }
}

/* Invitation page */
.invite { max-width: 34rem; margin: 2.5rem auto; display: grid; gap: 1.25rem; }
.invite-code { font-size: 2.4rem; font-weight: 800; letter-spacing: 0.12em; text-align: center; padding: 1.1rem; border: 2px dashed currentColor; border-radius: 18px; font-variant-numeric: tabular-nums; user-select: all; overflow-wrap: anywhere; }
.invite-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; justify-content: center; }
.invite-actions button { min-height: 48px; padding: 0 1.25rem; border-radius: 14px; border: 0; font: inherit; font-weight: 700; cursor: pointer; background-color: var(--primary); color: #ffffff; }
.invite ol { padding-left: 1.25rem; }
.invite small { opacity: 0.8; }

/* Header on wide screens (EV-0108): labels never break inside a word, the bar
   gets more room than the text column and stays pinned to the top. */
.site-header {
  position: sticky;
  top: 0;
}

.site-header .header-content {
  max-width: 1160px;
  gap: 16px;
}

.brand span,
.nav-links a,
.lang-menu summary span {
  white-space: nowrap;
}

.brand {
  flex-shrink: 0;
}

.nav-links {
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links li {
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .nav-links {
    justify-content: center;
  }
}

/* Wide screens (EV-0109): brand left, page links centred, language menu right.
   Medium widths: brand and language on top, page links centred underneath. */
@media (min-width: 641px) {
  .site-header .header-content {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas: "brand lang" "nav nav";
    align-items: center;
    height: auto;
    padding-block: 12px;
    row-gap: 8px;
  }
  .brand { grid-area: brand; }
  .header-tools { display: contents; }
  .header-tools nav { grid-area: nav; justify-self: center; }
  .nav-links { justify-content: center; }
  .lang-menu { grid-area: lang; justify-self: end; }
}

@media (min-width: 1100px) {
  .site-header .header-content {
    grid-template-columns: 1fr auto 1fr;
    grid-template-areas: "brand nav lang";
    height: 68px;
    padding-block: 0;
  }
}

/* Long addresses (support@homelist…) wrap inside cards instead of overflowing (EV-0110). */
.feature-card {
  min-width: 0;
}

.feature-card a,
.prose a[href^="mailto:"] {
  overflow-wrap: anywhere;
}