/* ── Reset & base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0f0f0f;
  --panel:      #181818;
  --panel2:     #202020;
  --panel3:     #282828;
  --border:     #2e2e2e;
  --border2:    #3a3a3a;
  --accent:     #00b4d8;
  --accent-dim: #003d52;
  --purple:     #a855f7;
  --green:      #00c853;
  --amber:      #ffab00;
  --red:        #ff4444;
  --txt:        #e0e0e0;
  --txt2:       #7a7a7a;
  --txt3:       #484848;
  --radius:     8px;
  --font:       -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono:       "Courier New", "Consolas", monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: var(--mono);
  background: var(--panel2);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.88em;
}

/* ── Nav ──────────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 52px;
  background: rgba(15,15,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
  text-decoration: none;
}
.nav-logo:hover { text-decoration: none; }
.nav-logo-img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: cover;
}

.nav-links { display: flex; gap: 1.6rem; }
.nav-links a {
  color: var(--txt2);
  font-size: 0.9rem;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--txt); text-decoration: none; }

/* ── Buttons ──────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover {
  background: #00caf0;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--txt2);
  font-size: 0.9rem;
  padding: 0.55rem 1.2rem;
  border: 1px solid var(--border2);
  border-radius: 6px;
  transition: color 0.15s, border-color 0.15s;
}
.btn-secondary:hover {
  color: var(--txt);
  border-color: var(--txt2);
  text-decoration: none;
}

/* ── Hero ─────────────────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 2rem 4rem;
}

.badge {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 0.2rem 0.8rem;
  margin-bottom: 1rem;
  letter-spacing: 0.03em;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: 1.15rem;
  color: var(--txt2);
  margin-bottom: 1rem;
}

.sub {
  font-size: 0.95rem;
  color: var(--txt2);
  max-width: 480px;
  margin-bottom: 1.8rem;
}

.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

/* ── Mock window ──────────────────────────────────────────────────────── */
.mock-window {
  background: var(--panel);
  border: 1px solid var(--border2);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.55rem 0.9rem;
  background: var(--panel2);
  border-bottom: 1px solid var(--border);
}

.mock-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.mock-dot.red   { background: #ff5f57; }
.mock-dot.amber { background: #febc2e; }
.mock-dot.green { background: #28c840; }

.mock-title {
  margin-left: 8px;
  font-size: 0.78rem;
  color: var(--txt3);
}

.mock-tabs {
  display: flex;
  gap: 0;
  background: var(--panel2);
  border-bottom: 1px solid var(--border);
}

.mock-tab {
  padding: 0.35rem 0.9rem;
  font-size: 0.78rem;
  color: var(--txt3);
  cursor: default;
}
.mock-tab.active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  background: var(--panel);
}

.mock-body { padding: 1rem; }

.mock-preset-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}
.mock-label { font-size: 0.78rem; color: var(--txt3); margin-right: 4px; }
.mock-chip {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: var(--panel3);
  color: var(--txt2);
  border: 1px solid var(--border);
}
.mock-chip.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
}

.mock-waveform {
  background: var(--panel2);
  border-radius: 4px;
  padding: 0.3rem;
  margin-bottom: 0.8rem;
}
.mock-waveform svg { width: 100%; height: auto; display: block; }

.mock-stat-row { display: flex; gap: 1rem; font-size: 0.75rem; }
.mock-stat { color: var(--txt2); }
.mock-stat.green { color: var(--green); }

/* ── Sections ─────────────────────────────────────────────────────────── */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem;
  border-top: 1px solid var(--border);
}

.section h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2rem;
}

/* ── Feature cards ────────────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.2rem;
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--border2); }

.feat-icon { font-size: 1.6rem; margin-bottom: 0.6rem; }

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--txt2);
  line-height: 1.6;
}

/* ── Honest section ───────────────────────────────────────────────────── */
.honest-section { background: var(--panel); border-radius: var(--radius); }

.honest-intro {
  font-size: 1rem;
  color: var(--txt2);
  margin-bottom: 1.6rem;
}

.honest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.honest-card {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  padding: 1.2rem;
}

.honest-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

.honest-card p {
  font-size: 0.86rem;
  color: var(--txt2);
  line-height: 1.6;
}

.honest-card em { color: var(--txt); font-style: normal; }

.honest-close {
  font-size: 0.9rem;
  color: var(--txt2);
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
}

/* ── Requirements ─────────────────────────────────────────────────────── */
.req-section { }

.req-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.8rem;
}

.req-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--txt2);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
}

.req-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

/* ── Download ─────────────────────────────────────────────────────────── */
.download-section { text-align: center; }
.download-section > p {
  color: var(--txt2);
  margin-bottom: 2rem;
}

.download-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.2rem 1.6rem;
  max-width: 600px;
  margin: 0 auto 1.2rem;
  gap: 1rem;
}

.dl-info { text-align: left; }
.dl-name { display: block; font-size: 1rem; font-weight: 600; color: #fff; }
.dl-meta { display: block; font-size: 0.8rem; color: var(--txt2); }
.dl-btn { white-space: nowrap; }

.dl-alt {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.dl-alt p { color: var(--txt2); font-size: 0.88rem; }

.setup-steps {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.8rem;
  max-width: 540px;
  margin: 0 auto;
  text-align: left;
}

.setup-steps h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.8rem;
}

.setup-steps ol {
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.setup-steps li {
  font-size: 0.88rem;
  color: var(--txt2);
}

/* ── Footer ───────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding: 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: start;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}
.footer-sub { font-size: 0.8rem; color: var(--txt3); }
.footer-sub a { color: var(--txt3); }
.footer-sub a:hover { color: var(--txt2); }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
}
.footer-links a { font-size: 0.85rem; color: var(--txt2); }
.footer-links a:hover { color: var(--txt); }

.footer-right { text-align: right; }
.footer-right p { font-size: 0.8rem; color: var(--txt3); }
.footer-right a { color: var(--txt3); }
.footer-right a:hover { color: var(--txt2); }
.footer-license { margin-top: 0.4rem; }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 3rem 1.2rem 2rem;
  }
  .hero-visual { display: none; }

  nav { padding: 0 1rem; }
  .nav-links { gap: 1rem; }

  .section { padding: 2.5rem 1.2rem; }

  .download-box {
    flex-direction: column;
    text-align: center;
  }
  .dl-info { text-align: center; }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-right { text-align: center; }
  .footer-links { flex-direction: row; justify-content: center; flex-wrap: wrap; }
}