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

:root {
  --bg:       #07070d;
  --bg-1:     #0d0d18;
  --bg-2:     #12121f;
  --surface:  rgba(255,255,255,0.04);
  --border:   rgba(255,255,255,0.08);
  --border-2: rgba(255,255,255,0.12);
  --text:     #e8e8f0;
  --text-2:   #9090a8;
  --text-3:   #5a5a70;
  --accent:   #7c6fff;
  --accent-2: #5b9fff;
  --accent-g: linear-gradient(135deg, #7c6fff, #5b9fff);
  --green:    #4ade80;
  --radius:   12px;
  --radius-lg:20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Background canvas ── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
}

/* All sections sit above canvas */
nav, section, .proof-strip, footer { position: relative; z-index: 1; }

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(7,7,13,0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.logo-img {
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  flex-shrink: 0;
}
.logo-img.small {
  width: 20px;
  height: 20px;
  border-radius: 6px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.btn-nav {
  padding: 7px 16px;
  border-radius: 8px;
  background: var(--accent-g) !important;
  color: #fff !important;
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  transition: opacity 0.2s !important;
}
.btn-nav:hover { opacity: 0.85; }

/* ── Hero ── */
.hero {
  padding: 120px 24px 80px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  background: var(--surface);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--accent-g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto 40px;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-meta {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 72px;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  background: var(--accent-g);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  box-shadow: 0 0 32px rgba(124,111,255,0.35);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border-2);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); transform: translateY(-1px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  background: transparent;
  border: 1px solid var(--border-2);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.15s;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.3); transform: translateY(-1px); }

.btn-large { padding: 14px 30px; font-size: 1rem; }

/* ── Editor mock ── */
.editor-window {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-2);
  background: var(--bg-2);
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
}

.editor-titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
}

.editor-dots {
  display: flex;
  gap: 6px;
}
.editor-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-2);
}
.editor-dots span:nth-child(1) { background: #ff5f57; }
.editor-dots span:nth-child(2) { background: #febc2e; }
.editor-dots span:nth-child(3) { background: #28c840; }

.editor-filename {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
}

.editor-body {
  display: grid;
  grid-template-columns: 1fr 240px;
  height: 380px;
}

.graph-canvas {
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 50%, rgba(124,111,255,0.05) 0%, transparent 70%);
}

.editor-sidebar {
  border-left: 1px solid var(--border);
  padding: 16px;
  overflow: hidden;
  background: rgba(0,0,0,0.2);
}

.sidebar-section {
  margin-bottom: 20px;
}

.sidebar-label {
  font-size: 0.62rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 500;
}

.sidebar-prop {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.75rem;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-2);
}
.sidebar-prop:last-child { border-bottom: none; }

.prop-val {
  color: var(--text);
  font-weight: 500;
}
.prop-val.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--accent-2);
}

/* ── Proof strip ── */
.proof-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  overflow: hidden;
}

.proof-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.proof-inner > span {
  font-size: 0.78rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.proof-logos {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.proof-logo {
  font-size: 0.78rem;
  color: var(--text-2);
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
}

.proof-sep { color: var(--text-3); }

/* ── Section shared ── */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 520px;
}

/* ── Features ── */
.features {
  padding: 100px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
  margin-top: 56px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s, background 0.2s;
}
.feature-card:hover {
  border-color: var(--border-2);
  background: rgba(255,255,255,0.06);
}

.feature-card--large {
  grid-column: span 2;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(124,111,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

.feature-card code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  background: rgba(124,111,255,0.2);
  color: var(--accent);
  padding: 1px 5px;
  border-radius: 4px;
}

.feature-visual {
  margin-top: 22px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
}

.terminal-line {
  line-height: 1.8;
}
.t-dim   { color: var(--text-3); }
.t-cmd   { color: var(--text); }
.t-comment { color: var(--green); }

/* ── How it works ── */
.how-it-works {
  padding: 100px 0;
  background: linear-gradient(to bottom, transparent, rgba(124,111,255,0.04), transparent);
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 56px;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.step-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.step-content p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
}

.step-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background: rgba(124,111,255,0.2);
  color: var(--accent);
  padding: 1px 5px;
  border-radius: 4px;
}

.step-arrow {
  padding: 0 28px;
  padding-top: 28px;
  color: var(--text-3);
  flex-shrink: 0;
}

/* ── Install CTA ── */
.install {
  padding: 100px 24px;
}

.install-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  text-align: center;
}

.install-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(124,111,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.install-content h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.install-content p {
  font-size: 1.05rem;
  color: var(--text-2);
  margin-bottom: 40px;
}

.install-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.install-version {
  font-size: 0.75rem;
  color: var(--text-3);
  font-family: 'JetBrains Mono', monospace;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-2);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-3);
}

/* ── Responsive ── */
@media (max-width: 800px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-card--large { grid-column: span 1; }

  .steps {
    flex-direction: column;
    gap: 32px;
  }
  .step-arrow { display: none; }

  .editor-body {
    grid-template-columns: 1fr;
    height: auto;
  }
  .editor-sidebar {
    border-left: none;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 16px;
  }

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

@media (max-width: 500px) {
  .hero { padding: 80px 16px 60px; }
  .nav-links a:not(.btn-nav) { display: none; }
  .editor-sidebar { grid-template-columns: 1fr; }
}