/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --bg-raised: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --border: #1e1e2e;
  --border-light: #2a2a3a;
  --text: #e4e4ec;
  --text-muted: #8888a0;
  --text-dim: #555568;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.15);
  --green: #00cec9;
  --orange: #e17055;
  --pink: #fd79a8;
  --yellow: #fdcb6e;
  --radius: 10px;
  --radius-lg: 16px;
  --font: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-icon {
  color: var(--accent-light);
  font-size: 1.3rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
  font-weight: 400;
}

.nav-links a:hover { color: var(--text); }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: 0.2s;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 500;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all 0.2s;
  text-decoration: none;
  font-size: 0.95rem;
  padding: 10px 22px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow), 0 2px 8px rgba(0,0,0,0.3);
}

.btn-primary:hover {
  background: #7c6ef0;
  box-shadow: 0 0 32px rgba(108, 92, 231, 0.3), 0 4px 12px rgba(0,0,0,0.4);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-dim);
  background: var(--bg-raised);
}

.btn-sm { padding: 7px 16px; font-size: 0.85rem; }
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  border: 1px solid rgba(108, 92, 231, 0.3);
  background: rgba(108, 92, 231, 0.08);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  font-family: var(--mono);
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--pink) 50%, var(--orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--mono);
}

/* ===== SECTIONS ===== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 8px;
  font-family: var(--mono);
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.25s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== ACTIVITY STATUS ===== */
.activity-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.activity-text p { color: var(--text-muted); max-width: 440px; line-height: 1.7; }

.activity-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.activity-tag {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  font-family: var(--mono);
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
}

.tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.tag-dot.playing { background: var(--green); box-shadow: 0 0 6px rgba(0,206,201,0.5); }
.tag-dot.watching { background: var(--pink); box-shadow: 0 0 6px rgba(253,121,168,0.5); }
.tag-dot.listening { background: var(--accent-light); box-shadow: 0 0 6px rgba(162,155,254,0.5); }
.tag-dot.working { background: var(--yellow); box-shadow: 0 0 6px rgba(253,203,110,0.5); }

.activity-preview { display: flex; flex-direction: column; gap: 12px; }

.status-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  transition: 0.2s;
}

.status-card:hover { border-color: var(--border-light); }

.status-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.status-info { display: flex; flex-direction: column; gap: 2px; }
.status-name { font-size: 0.9rem; font-weight: 500; }
.status-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== BETA CARD ===== */
.beta-card {
  background: linear-gradient(135deg, rgba(225, 112, 85, 0.06) 0%, rgba(108, 92, 231, 0.06) 100%);
  border: 1px solid rgba(225, 112, 85, 0.2);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.beta-icon { font-size: 1.8rem; margin-bottom: 12px; }

.beta-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.beta-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.beta-card strong { color: var(--text); }

.beta-sub {
  margin-top: 10px !important;
  font-size: 0.82rem !important;
  color: var(--text-dim) !important;
}

/* ===== CORE ===== */
.core-section { text-align: center; }

.core-desc {
  color: var(--text-muted);
  max-width: 500px;
  margin: -24px auto 36px;
  font-size: 0.95rem;
}

.core-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 560px;
  margin: 0 auto 24px;
}

.core-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.9rem;
  text-align: left;
}

.core-check { color: var(--accent-light); font-size: 0.85rem; }

.core-note {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--mono);
}

/* ===== FAQ ===== */
.faq-container { max-width: 700px; margin: 0 auto; }

.faq-list { display: flex; flex-direction: column; gap: 6px; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: 0.2s;
}

.faq-item:hover { border-color: var(--border-light); }

.faq-item[open] { background: var(--bg-card-hover); }

.faq-item summary {
  padding: 16px 20px;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--text-dim);
  font-weight: 300;
  transition: transform 0.2s;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item[open] summary::after {
  content: '−';
  color: var(--accent-light);
}

.faq-answer {
  padding: 0 20px 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.cta-section {
  text-align: center;
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}

.cta-content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-content p {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 1rem;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left { display: flex; flex-direction: column; gap: 4px; }

.footer-logo {
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-version {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--mono);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a, .footer-contact a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover, .footer-contact a:hover { color: var(--text); }

.footer-contact {
  display: flex;
  gap: 20px;
}

/* ===== LEGAL PAGES ===== */
.legal-page {
  padding: 120px 0 80px;
}

.legal-page .container {
  max-width: 740px;
}

.legal-page h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.legal-updated {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-family: var(--mono);
  margin-bottom: 40px;
}

.legal-page h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--text);
}

.legal-page p, .legal-page li {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 10px;
}

.legal-page ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 12px;
}

.legal-page li {
  padding-left: 20px;
  position: relative;
  margin-bottom: 6px;
}

.legal-page li::before {
  content: '·';
  position: absolute;
  left: 4px;
  font-weight: 700;
  color: var(--accent-light);
}

.legal-page a {
  color: var(--accent-light);
  transition: opacity 0.2s;
}

.legal-page a:hover { opacity: 0.8; }

.legal-page strong { color: var(--text); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .mobile-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 14px;
  }

  .nav-links.open { display: flex; }

  .features-grid { grid-template-columns: 1fr 1fr; }

  .activity-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .core-grid { grid-template-columns: 1fr; }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

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

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }

  .hero { padding: 130px 0 70px; }

  .hero h1 { font-size: 2rem; }
}