:root {
  --green-dark:   #1B5E20;
  --green:        #2E7D32;
  --green-mid:    #388E3C;
  --green-light:  #E8F5E9;
  --green-pale:   #F1F8E9;
  --text:         #1C1C1E;
  --text-secondary: #555;
  --border:       #D9E8DA;
  --white:        #FFFFFF;
  --radius:       12px;
  --max-width:    720px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
}

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

/* ── Header ── */
header {
  background: var(--green-pale);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-dark);
  letter-spacing: -0.3px;
}

.logo span { color: var(--green-mid); }

nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

nav a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

nav a:hover { color: var(--green); text-decoration: none; }

/* ── Main content wrapper ── */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 72px 0 56px;
}

.hero-icon {
  margin-bottom: 24px;
}

.hero-icon img {
  width: 120px;
  height: 120px;
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--green-dark);
  margin-bottom: 8px;
}

.hero .subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Beta CTA ── */
.beta-cta { text-align: center; }

.beta-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}


.platform-block {
  text-align: center;
  margin-bottom: 36px;
}

.platform-block:last-child { margin-bottom: 0; }

.beta-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 320px;
  margin: 0 auto;
}

.beta-step {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--green-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: 12px 16px;
  text-align: left;
  transition: opacity 0.15s;
}

.beta-step:hover { opacity: 0.82; text-decoration: none; color: var(--white); }


.beta-step-icon {
  flex-shrink: 0;
  width: 18px;
  opacity: 0.65;
  display: flex;
  align-items: center;
  justify-content: center;
}

.beta-step-icon svg {
  width: 16px;
  height: auto;
}

.beta-step-text { display: flex; flex-direction: column; gap: 2px; }
.beta-step-text strong { font-size: 0.875rem; font-weight: 600; display: block; }
.beta-step-text small { font-size: 0.72rem; opacity: 0.65; }

/* ── Features ── */
.features, .install {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.features h2, .install h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 28px;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--green-pale);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.feature-card .icon { font-size: 1.8rem; margin-bottom: 10px; }
.feature-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; color: var(--green-dark); }
.feature-card p  { font-size: 0.875rem; color: var(--text-secondary); }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

footer a { color: var(--text-secondary); margin: 0 8px; }
footer a:hover { color: var(--green); }

/* ── Privacy policy page ── */
.policy-header {
  background: var(--green-pale);
  border-bottom: 1px solid var(--border);
  padding: 48px 24px 36px;
  text-align: center;
}

.policy-header h1 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 6px;
}

.policy-header .meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.policy-body {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.policy-body h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-dark);
  margin: 36px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.policy-body h2:first-child { margin-top: 0; }

.policy-body p  { font-size: 0.925rem; color: var(--text-secondary); margin-bottom: 12px; }
.policy-body ul { font-size: 0.925rem; color: var(--text-secondary); margin: 0 0 12px 20px; }
.policy-body li { margin-bottom: 6px; }

.policy-body .highlight {
  background: var(--green-light);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--text);
}

/* ── Lang switcher ── */
.lang-switcher {
  position: relative;
  margin-left: 16px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 3px 8px;
  transition: border-color 0.12s, color 0.12s;
  white-space: nowrap;
}

.lang-toggle:hover,
.lang-toggle[aria-expanded="true"] {
  border-color: var(--green);
  color: var(--green);
}

.lang-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  list-style: none;
  min-width: 140px;
  padding: 4px;
  z-index: 100;
}

.lang-switcher.open .lang-menu { display: block; }

.lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: none;
  border: none;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 10px;
  text-align: left;
  transition: background 0.12s, color 0.12s;
}

.lang-btn b {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  min-width: 20px;
}

.lang-btn:hover { background: var(--green-light); color: var(--green-dark); }
.lang-btn.active { color: var(--green); }

/* ── Responsive ── */
@media (max-width: 500px) {
  .hero h1 { font-size: 1.8rem; }
  .hero { padding: 48px 0 40px; }
  header { padding: 0 16px; }
  nav a { font-size: 0.82rem; }
}