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

:root {
  --bg:        #0d0d0f;
  --bg2:       #131318;
  --bg3:       #1a1a24;
  --border:    rgba(255,255,255,0.08);
  --text:      #e8e8f0;
  --text2:     #9090a8;
  --text3:     #5a5a78;
  --accent:    #7c3aed;
  --accent2:   #9d5cf0;
  --accent-bg: rgba(124,58,237,0.12);
  --green:     #22c55e;
  --red:       #ef4444;
  --code-bg:   #0f0f1a;
  --radius:    12px;
  --radius-sm: 8px;
  --shadow:    0 4px 32px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:        #fafafc;
    --bg2:       #f0f0f5;
    --bg3:       #e8e8f0;
    --border:    rgba(0,0,0,0.08);
    --text:      #1a1a2e;
    --text2:     #4a4a68;
    --text3:     #8a8aaa;
    --accent-bg: rgba(124,58,237,0.08);
    --shadow:    0 4px 24px rgba(0,0,0,0.08);
  }
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ───────────────────────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }
section + section { border-top: 1px solid var(--border); }

/* ── Nav ──────────────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,15,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

@media (prefers-color-scheme: light) {
  nav { background: rgba(250,250,252,0.85); }
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.nav-logo .spark { color: var(--accent2); font-size: 1.2rem; }

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

.nav-links a {
  color: var(--text2);
  font-size: 0.9rem;
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
#hero {
  padding: 100px 0 80px;
  text-align: center;
  border-top: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-bg);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--accent2);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent2) 0%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text2);
  max-width: 520px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
  border: none;
}

.btn:hover { opacity: 0.9; transform: translateY(-1px); text-decoration: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
}

.status-bar {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--text2);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}

/* ── Section headers ──────────────────────────────────────────────────────── */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 12px;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text2);
  max-width: 560px;
  margin-bottom: 56px;
}

/* ── Pillars ──────────────────────────────────────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.pillar {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s;
}

.pillar:hover { border-color: rgba(124,58,237,0.35); }

.pillar-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.pillar h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pillar p {
  font-size: 0.9rem;
  color: var(--text2);
  line-height: 1.6;
}

/* ── How it works ─────────────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  counter-reset: steps;
}

.step {
  counter-increment: steps;
  position: relative;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent-bg);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 50%;
  color: var(--accent2);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

/* ── Code blocks ──────────────────────────────────────────────────────────── */
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.7;
  margin-top: 12px;
}

code {
  font-family: "SF Mono", "Fira Code", "Cascadia Code", ui-monospace, monospace;
  color: #c9d1f0;
}

.comment { color: var(--text3); }
.kw { color: #c084fc; }
.str { color: #86efac; }
.num { color: #fbbf24; }
.fn { color: #60a5fa; }

/* ── zzeelisp modules grid ────────────────────────────────────────────────── */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.module-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s, transform 0.15s;
}

.module-card:hover {
  border-color: rgba(124,58,237,0.35);
  transform: translateY(-2px);
}

.module-name {
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent2);
  margin-bottom: 6px;
}

.module-desc {
  font-size: 0.82rem;
  color: var(--text2);
  margin-bottom: 10px;
}

.module-example {
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--text3);
  background: var(--code-bg);
  border-radius: 4px;
  padding: 4px 8px;
  display: block;
}

/* ── EEditor integration ──────────────────────────────────────────────────── */
.integration-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 768px) {
  .integration-layout { grid-template-columns: 1fr; }
}

.integration-ui {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.ui-titlebar {
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-red   { background: #ff5f57; }
.dot-yel   { background: #ffbd2e; }
.dot-grn   { background: #28c840; }

.ui-title {
  font-size: 0.78rem;
  color: var(--text3);
  margin-left: 8px;
}

.ui-body { padding: 16px; }

.sidebar-msg {
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.82rem;
  margin-bottom: 8px;
  line-height: 1.5;
}

.sidebar-msg.user {
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.2);
  margin-left: 20px;
}

.sidebar-msg.ai {
  background: var(--bg3);
  border: 1px solid var(--border);
  margin-right: 20px;
}

.sidebar-msg .label {
  font-size: 0.7rem;
  color: var(--text3);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.sidebar-code-strip {
  background: rgba(124,58,237,0.07);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.strip-btns { display: flex; gap: 6px; }

.strip-btn {
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.strip-btn.primary { background: var(--accent); color: #fff; }
.strip-btn.secondary { background: var(--bg3); color: var(--text2); }

.integration-features { list-style: none; }

.integration-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.integration-features li:last-child { border-bottom: none; }

.feature-icon { color: var(--accent2); flex-shrink: 0; margin-top: 2px; }

.feature-text strong { display: block; font-weight: 600; font-size: 0.9rem; }
.feature-text span { color: var(--text2); font-size: 0.83rem; }

/* ── Setup section ────────────────────────────────────────────────────────── */
.setup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 768px) {
  .setup-grid { grid-template-columns: 1fr; }
}

.setup-steps { list-style: none; counter-reset: setup; }

.setup-steps li {
  counter-increment: setup;
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.setup-steps li:last-child { border-bottom: none; }

.setup-n {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-bg);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--accent2);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.setup-text strong { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 2px; }
.setup-text span { font-size: 0.82rem; color: var(--text2); }

/* ── MCP section ──────────────────────────────────────────────────────────── */
.mcp-tools {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.mcp-tool {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.mcp-tool code {
  display: block;
  font-size: 0.8rem;
  color: var(--accent2);
  margin-bottom: 4px;
}

.mcp-tool p {
  font-size: 0.78rem;
  color: var(--text2);
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

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

.footer-logo {
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text2);
}

.footer-links a:hover { color: var(--text); text-decoration: none; }

.footer-copy {
  font-size: 0.8rem;
  color: var(--text3);
  width: 100%;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  section { padding: 56px 0; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .nav-links { display: none; }
  .pillars, .steps { grid-template-columns: 1fr; }
}