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

:root {
  --bg: #000000;
  --surface: #1A191B;
  --card: #323034;
  --border: #181719;
  --accent: #8C888D;
  --accent-dim: #474548;
  --text: #EBEAEC;
  --muted: #A2A1A3;
  --radius: 12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* LANG SWITCHER */
.lang-switcher {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.04em;
}
.lang-btn.active {
  background: var(--accent);
  color: #000000;
}

/* HIDDEN */
.hidden { display: none !important; }

/* HERO */
.hero {
  max-width: 860px;
  margin: 0 auto;
  padding: 100px 24px 80px;
  text-align: center;
}

.hero-img {
  height: 600px;
  width: auto;
  border-radius: 16px;
  margin-bottom: 32px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  animation: breathe 5s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  transform-origin: center center;
}

@keyframes breathe {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.04); }
  100% { transform: scale(1); }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero .coming-soon {
  font-size: 0.9rem;
  font-weight: 300;
  color: #ffffff;
  letter-spacing: 0.06em;
}

/* FEATURES */
.features {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 24px;
}

.section-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent-dim); }


.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

/* CONTENT PAGES (privacy, terms) */
.content-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.content-wrap h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.content-wrap .updated {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 48px;
  display: block;
}

.content-wrap h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin: 36px 0 12px;
}

.content-wrap p, .content-wrap li {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.content-wrap ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.content-wrap a {
  color: var(--accent);
  text-decoration: none;
}
.content-wrap a:hover { text-decoration: underline; }

/* DIVIDER */
hr.section-sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
}

footer p {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

@media (max-width: 600px) {
  .nav-links { gap: 14px; }
  .hero { padding: 70px 20px 60px; }
}