:root {
  --bg: #0d1117;
  --bg2: #111820;
  --bg3: #161d26;
  --border: #1e2530;
  --teal: #1d9e75;
  --teal-dim: #0f6e56;
  --teal-glow: rgba(29,158,117,0.12);
  --text: #e8e6df;
  --text-dim: #7a8394;
  --text-muted: #3d4856;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,17,23,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--border);
  padding: 0 32px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.3px;
}
.nav-brand span { color: var(--teal); }

.lang-switch {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  padding: 5px 12px;
  border-radius: 20px;
  border: 0.5px solid var(--border);
  transition: color 0.15s, border-color 0.15s;
}
.lang-switch:hover { color: var(--text); border-color: var(--teal-dim); }

/* HERO */
.hero {
  padding: 72px 32px 56px;
  max-width: 760px;
  margin: 0 auto;
}

.hero-h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
  color: var(--text);
}

.hero-sub {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--teal);
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 11px 22px;
  border-radius: 8px;
  text-decoration: none;
  border: none;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: #1d9e75cc; transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  color: var(--text-dim);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 400;
  padding: 11px 22px;
  border-radius: 8px;
  text-decoration: none;
  border: 0.5px solid var(--border);
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: #3d4856; color: var(--text); }

/* DIVIDER */
.section-divider {
  border: none;
  border-top: 0.5px solid var(--border);
  margin: 0 32px;
}

/* CONTENT SECTIONS */
.content {
  padding: 48px 32px;
  max-width: 760px;
  margin: 0 auto;
}

.section-title {
  font-family: 'Fraunces', serif;
  font-size: clamp(21px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: -0.4px;
  margin-bottom: 16px;
  line-height: 1.25;
  color: var(--text);
}

.content p {
  color: var(--text-dim);
  margin-bottom: 12px;
  max-width: 600px;
}

.feature-list {
  list-style: none;
}
.feature-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: var(--text-dim);
}
.feature-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 600;
}

/* FOOTER */
footer {
  border-top: 0.5px solid var(--border);
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}

.footer-brand {
  font-family: 'Fraunces', serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
}
.footer-brand span { color: var(--teal); }

.footer-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.footer-links {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--text-dim); text-decoration: underline; }

/* RESPONSIVE */
@media (max-width: 600px) {
  nav { padding: 0 20px; }
  .hero { padding: 48px 20px 40px; }
  .content { padding: 36px 20px; }
  footer { padding: 20px; flex-direction: column; align-items: flex-start; }
}