:root {
  --accent:        #FE3C00;
  --accent-light:  #FF6B3D;
  --accent-dim:    rgba(254, 60, 0, 0.12);
  --brand-color:   #64748B;

  /* dark theme (default) */
  --bg:            #0a0a0f;
  --bg-surface:    #13131c;
  --bg-raised:     #1c1c28;
  --bg-card:       #181824;
  --border:        rgba(255,255,255,0.08);
  --border-hover:  rgba(255,255,255,0.18);
  --text-primary:  #f1f1f5;
  --text-muted:    #8b8ba7;
  --text-dim:      #555570;
  --code-bg:       #0e0e18;
  --code-border:   rgba(255,255,255,0.06);
  --edge-color:    rgba(254,60,0,0.5);

  /* syntax tokens */
  --syn-key:     #c084fc;
  --syn-str:     #86efac;
  --syn-fn:      #67e8f9;
  --syn-num:     #fb923c;
  --syn-comment: #4a4a6a;
  --syn-op:      #94a3b8;

  --nav-h:     64px;
  --sidebar-w: 280px;
  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --max-w:     1160px;
}

/* ---- LIGHT THEME ---- */
[data-theme="light"] {
  --bg:           #f8f8ff;
  --bg-surface:   #ffffff;
  --bg-raised:    #f0f0f8;
  --bg-card:      #ffffff;
  --border:       rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.18);
  --text-primary: #0f0f1a;
  --text-muted:   #5a5a78;
  --text-dim:     #a0a0b8;
  --code-bg:      #ffffff;
  --code-border:  rgba(0,0,0,0.08);
  --edge-color:   rgba(254,60,0,0.4);
  --syn-key:      #7c3aed;
  --syn-str:      #16a34a;
  --syn-fn:       #0891b2;
  --syn-num:      #c2410c;
  --syn-comment:  #8080a0;
  --syn-op:       #475569;
}

 
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.65;
  transition: background 0.25s, color 0.25s;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85em;
  background: var(--bg-raised);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  border: 1px solid var(--border);
}
pre code { background: none; padding: 0; border: none; font-size: inherit; }
img, svg { display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ============================================================
   EXCALIDRAW / CAVEAT FONT
============================================================ */
.excalidraw-font {
  font-family: 'Caveat', cursive;
  font-weight: 700;
  letter-spacing: 0;
}
.brand-name {
  font-size: 1.25rem;
  line-height: 1;
  color: var(--text-primary);
}
.hero-moldo-name {
  font-size: 1.15em;
  color: var(--brand-color);
}
.sidebar-brand {
  font-size: 1.4rem;
  color: var(--text-primary);
}


.accent-text {
  color: var(--brand-color);
}


.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 400;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: background 0.25s;
}
.nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text-primary);
  flex-shrink: 0;
  margin-right: auto;
}
.nav-brand .brand-icon { opacity: 0.85; }


.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-links .sidebar-header { display: none; }

.nav-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text-primary); background: var(--bg-raised); }

.pill-outline {
  display: flex !important;
  align-items: center;
  gap: 6px;
  color: var(--text-primary) !important;
  border: 1px solid var(--border) !important;
  padding: 6px 14px !important;
  border-radius: 100px !important;
  font-weight: 500;
  transition: border-color 0.15s, background 0.15s;
}
.pill-outline:hover { border-color: var(--border-hover) !important; background: var(--bg-raised) !important; }

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: auto;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: color 0.15s, background 0.15s;
}
.theme-toggle:hover { color: var(--text-primary); background: var(--bg-raised); }
.toggle-label { display: none; }

[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: 6px;
  color: var(--text-muted);
  margin-left: 12px;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.22s, opacity 0.22s;
  transform-origin: center;
}
.menu-toggle:hover { background: var(--bg-raised); color: var(--text-primary); }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 299;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.sidebar-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .toggle-label { display: inline; }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: var(--sidebar-w);
    max-width: 85vw;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--bg-surface);
    border-left: 1px solid var(--border);
    padding: 0 0 24px;
    z-index: 300;
    transform: translateX(100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }
  .nav-links.open {
    transform: translateX(0);
  }
  .nav-links .sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
  }
  .sidebar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    color: var(--text-muted);
    transition: background 0.15s, color 0.15s;
  }
  .sidebar-close:hover { background: var(--bg-raised); color: var(--text-primary); }

  .nav-links a {
    padding: 12px 20px;
    border-radius: 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a:hover { background: var(--bg-raised); }
  .pill-outline {
    border-radius: 0 !important;
    padding: 12px 20px !important;
    border: none !important;
    border-bottom: 1px solid var(--border) !important;
    justify-content: flex-start;
  }
  .pill-outline:hover { background: var(--bg-raised) !important; }
  .theme-toggle {
    padding: 12px 20px;
    border-radius: 0;
    width: 100%;
    justify-content: flex-start;
    border-bottom: 1px solid var(--border);
  }
  .toggle-label { display: inline; }
  .sidebar-overlay { display: block; }
}

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition: opacity 0.15s, transform 0.1s, background 0.15s, border-color 0.15s;
  white-space: nowrap;
  cursor: pointer;
  line-height: 1;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.85; }
.btn-ghost {
  background: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-hover); background: var(--bg-surface); }
.btn-text { color: var(--text-muted); padding: 10px 4px; }
.btn-text:hover { color: var(--text-primary); }
.btn-sm { padding: 7px 14px; font-size: 0.82rem; }

/* ============================================================
   SECTIONS
============================================================ */
.section { padding: 96px 0; }
.section-alt {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  width: 16px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 48px;
  line-height: 1.7;
}

/* ============================================================
   HERO
============================================================ */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
  margin-bottom: 24px;
}
.badge-dot {
  width: 7px;
  height: 7px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}
.hero-headline {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.hero-version { font-size: 0.8rem; color: var(--text-dim); }
.hero-version code { font-size: 0.78rem; }


.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual img {
  max-width: 100%;
  height: auto;
  display: block; 
}


.hero-placeholder-svg {
  width: 100%;
  max-width: 520px;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: block;
}


.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--border-hover); }

.feature-check {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent-dim);
  border: 1px solid rgba(254,60,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  margin-bottom: 16px;
  flex-shrink: 0;
}
.feature-card h3 {
  font-size: 0.975rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}


.steps { display: flex; flex-direction: column; margin-top: 48px; }
.step {
  display: grid;
  grid-template-columns: 60px 1fr 1fr;
  gap: 32px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--border);
  letter-spacing: -0.05em;
  line-height: 1;
  padding-top: 4px;
}
.step-content h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.step-content p  { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; }
.step-visual { display: flex; align-items: flex-start; justify-content: flex-end; }
.step-nodes {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.mini-node {
  font-size: 0.72rem;
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-dim);
  line-height: 1.4;
  background: var(--bg-card);
  color: var(--text-primary);
}
.mini-node small {
  display: block;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  margin-top: 2px;
}
.step-arrow { color: var(--text-dim); font-size: 1.2rem; }
.mini-code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.7;
  overflow-x: auto;
  width: 100%;
}


.t-key     { color: var(--accent-light); }
.t-str     { color: var(--syn-str); }
.t-kw      { color: var(--syn-key); }
.t-fn      { color: var(--syn-fn); }
.t-num     { color: var(--syn-num); }
.t-comment { color: var(--syn-comment); font-style: italic; }
.t-op      { color: var(--syn-op); }
.t-keyword { color: var(--syn-key); font-weight: 500; }
.t-colon   { color: var(--syn-op); }
.t-brace   { color: var(--text-muted); }
.t-bracket { color: #94a3b8; }


.tabs-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-top: 48px;
}
.tabs {
  display: flex;
  gap: 2px;
  padding: 12px 12px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
  overflow-x: auto;
}
.tab {
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 6px 6px 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
  font-family: 'JetBrains Mono', monospace;
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--text-primary);
  background: var(--bg-card);
  border-color: var(--border);
  border-bottom-color: var(--bg-card);
  margin-bottom: -1px;
}
.tab-panels { padding: 0; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.code-block {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.75;
  padding: 28px 32px;
  overflow-x: auto;
  background: var(--code-bg);
  color: var(--text-primary);
  margin: 0;
  tab-size: 2;
}
.code-caption {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  line-height: 1.65;
}
.code-caption a { color: var(--accent-light); text-decoration: underline; text-underline-offset: 3px; }
.code-caption code { font-size: 0.8em; }


.mold-callout {
  display: flex;
  align-items: center;
  gap: 32px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  margin-top: 32px;
}
.mold-callout-text { flex: 1; }
.mold-callout-text h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.mold-callout-text p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; }
.mold-callout-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}


.install-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.install-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.install-step-num {
  width: 30px;
  height: 30px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.install-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }
.install-card p { font-size: 0.88rem; color: var(--text-muted); margin-top: 12px; line-height: 1.65; }
.mini-code-inline {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.6;
}
.download-pair { display: flex; gap: 8px; flex-wrap: wrap; }
.dim-text { color: var(--text-dim) !important; font-size: 0.82rem !important; }


.bio-card {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-top: 40px;
}
.bio-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  flex-shrink: 0;
}
.bio-name {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.bio-title { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 16px; }
.bio-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 640px;
}
.bio-links { display: flex; flex-wrap: wrap; gap: 12px; }
.bio-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.bio-link:hover { color: var(--text-primary); border-color: var(--border-hover); background: var(--bg-raised); }



.footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
}
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; }
.footer-links a { font-size: 0.875rem; color: var(--text-muted); transition: color 0.15s; }
.footer-links a:hover { color: var(--text-primary); }
.footer-copy { font-size: 0.8rem; color: var(--text-dim); }


.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }


@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .install-grid  { grid-template-columns: repeat(2, 1fr); }
  .step { grid-template-columns: 48px 1fr; }
  .step-visual { display: none; }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 40px 24px 64px;
    min-height: auto;
    gap: 40px;
  }

  .features-grid { grid-template-columns: 1fr; gap: 12px; }
  .install-grid  { grid-template-columns: 1fr; }
  .section       { padding: 64px 0; }

  .mold-callout { flex-direction: column; gap: 24px; padding: 28px; }
  .mold-callout-actions { flex-direction: row; flex-wrap: wrap; }

  .bio-card { flex-direction: column; gap: 20px; padding: 28px; }
  .bio-avatar { width: 72px; height: 72px; }

  .hero-cta { flex-direction: column; align-items: flex-start; }
  .tab { padding: 8px 10px; font-size: 0.75rem; }
  .step { grid-template-columns: 40px 1fr; gap: 16px; }
  .step-num { font-size: 1.8rem; }
  .code-block { font-size: 0.74rem; padding: 20px 16px; }
}

@media (max-width: 420px) {
  .hero-headline { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }
}