/* ============ SERVMIND base styles ============ */
:root {
  --bg: #05060d;
  --bg-2: #0a0d1c;
  --panel: #0e1224;
  --panel-2: #141a31;
  --line: rgba(120, 160, 255, 0.12);
  --line-2: rgba(120, 160, 255, 0.22);
  --fg: #e8ecff;
  --fg-dim: #8a93b8;
  --fg-mute: #5a6385;
  --cyan: #5cf2ff;
  --cyan-2: #00d4ff;
  --violet: #b56bff;
  --magenta: #ff5ce0;
  --lime: #c6ff5c;
  --warn: #ffb45c;
  --grad-1: linear-gradient(135deg, #5cf2ff 0%, #b56bff 100%);
  --grad-2: linear-gradient(135deg, #b56bff 0%, #ff5ce0 100%);
  --shadow-cyan: 0 0 40px rgba(92, 242, 255, 0.25);
  --shadow-violet: 0 0 40px rgba(181, 107, 255, 0.25);
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Manrope', -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(800px 600px at 80% -10%, rgba(181, 107, 255, 0.18), transparent 60%),
    radial-gradient(900px 700px at -10% 30%, rgba(92, 242, 255, 0.14), transparent 60%),
    radial-gradient(600px 500px at 50% 110%, rgba(255, 92, 224, 0.12), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

h1 { font-size: clamp(48px, 7vw, 96px); font-weight: 400; letter-spacing: -0.035em; }
h2 { font-size: clamp(36px, 4.5vw, 64px); }
h3 { font-size: clamp(22px, 2.4vw, 32px); }

.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* ========== Navigation ========== */
.nav {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 12px 10px 22px;
  background: rgba(14, 18, 36, 0.7);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.nav-logo .glyph {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--grad-1);
  position: relative;
  box-shadow: var(--shadow-cyan);
}
.nav-logo .glyph::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 3px;
  background: var(--bg);
}
.nav-logo .glyph::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 1px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--fg-dim);
  border-radius: 999px;
  transition: all 0.2s;
}
.nav-links a:hover { color: var(--fg); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--fg); background: rgba(92, 242, 255, 0.08); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.01em;
  transition: all 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--fg);
  color: var(--bg);
}
.btn-primary:hover { background: var(--cyan); box-shadow: var(--shadow-cyan); }
.btn-ghost {
  border-color: var(--line-2);
  color: var(--fg);
  background: rgba(255,255,255,0.02);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-grad {
  background: var(--grad-1);
  color: #05060d;
  font-weight: 600;
}
.btn-grad:hover { box-shadow: var(--shadow-cyan); transform: translateY(-1px); }

/* ========== Sections ========== */
section { padding: 120px 0; position: relative; z-index: 1; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(92, 242, 255, 0.04);
  margin-bottom: 24px;
}
.section-tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% {opacity:1} 50% {opacity:0.4} }

/* ========== Cards / panels ========== */
.panel {
  background: linear-gradient(180deg, rgba(20,26,49,0.6) 0%, rgba(14,18,36,0.6) 100%);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.panel-glow::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(92,242,255,0.4), transparent 40%, transparent 60%, rgba(181,107,255,0.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ========== Footer ========== */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin-bottom: 16px;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer ul a { color: var(--fg-dim); font-size: 14px; transition: color 0.2s; }
.footer ul a:hover { color: var(--fg); }
.footer-base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--fg-mute);
  font-size: 13px;
}

/* ========== Reusable bits ========== */
.kbd {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: rgba(255,255,255,0.04);
  color: var(--fg-dim);
}

.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2) 20%, var(--cyan) 50%, var(--line-2) 80%, transparent);
  margin: 0;
  opacity: 0.6;
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 80px 0; }
  .container { padding: 0 20px; }
}

/* ============ Theme toggle button ============ */
.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.04);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--fg-dim);
  position: relative;
}
.theme-toggle:hover { color: var(--cyan); border-color: var(--cyan); }
.theme-toggle svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; transition: transform 0.4s; }
.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: block; }
[data-theme="light"] .theme-toggle .sun { display: block; }
[data-theme="light"] .theme-toggle .moon { display: none; }

/* ============ LIGHT THEME ============ */
[data-theme="light"] {
  --bg: #f6f6f2;
  --bg-2: #ffffff;
  --panel: #ffffff;
  --panel-2: #f1f2ee;
  --line: rgba(20, 30, 60, 0.09);
  --line-2: rgba(20, 30, 60, 0.16);
  --fg: #0a0d1c;
  --fg-dim: #4a5478;
  --fg-mute: #7e87a3;
  --cyan: #0095b3;
  --cyan-2: #00aacc;
  --violet: #7a3df0;
  --magenta: #d63ba8;
  --lime: #4f9c1c;
  --warn: #cc7a1f;
  --grad-1: linear-gradient(135deg, #0095b3 0%, #7a3df0 100%);
  --grad-2: linear-gradient(135deg, #7a3df0 0%, #d63ba8 100%);
  --shadow-cyan: 0 0 40px rgba(0, 149, 179, 0.18);
  --shadow-violet: 0 0 40px rgba(122, 61, 240, 0.18);
}
[data-theme="light"] body::before {
  background:
    radial-gradient(800px 600px at 80% -10%, rgba(122, 61, 240, 0.12), transparent 60%),
    radial-gradient(900px 700px at -10% 30%, rgba(0, 149, 179, 0.10), transparent 60%),
    radial-gradient(600px 500px at 50% 110%, rgba(214, 59, 168, 0.08), transparent 60%);
}
[data-theme="light"] body::after {
  background-image:
    linear-gradient(rgba(20, 30, 60, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 30, 60, 0.05) 1px, transparent 1px);
  opacity: 0.9;
}
[data-theme="light"] .nav { background: rgba(255,255,255,0.75); }
[data-theme="light"] .theme-toggle { background: rgba(20,30,60,0.04); }
[data-theme="light"] .nav-logo .glyph::after { background: var(--bg-2); }
[data-theme="light"] .btn-primary { background: #0a0d1c; color: #ffffff; }
[data-theme="light"] .btn-primary:hover { background: var(--cyan); color: #fff; }
[data-theme="light"] .btn-ghost { background: rgba(255,255,255,0.6); }
[data-theme="light"] .panel,
[data-theme="light"] .feature,
[data-theme="light"] .price-card,
[data-theme="light"] .service,
[data-theme="light"] .approach-cell,
[data-theme="light"] .post,
[data-theme="light"] .gap-card,
[data-theme="light"] .gap-vis,
[data-theme="light"] .feature-product-vis,
[data-theme="light"] .video-shell,
[data-theme="light"] .filter-chip,
[data-theme="light"] .integration,
[data-theme="light"] .blog-figure,
[data-theme="light"] .meta-cell,
[data-theme="light"] .hero-stat,
[data-theme="light"] .faq-item,
[data-theme="light"] .agent-msg,
[data-theme="light"] .bridge-node,
[data-theme="light"] .bridge-flow,
[data-theme="light"] .flow-step .icon-wrap,
[data-theme="light"] .feature .icon,
[data-theme="light"] .service .icon,
[data-theme="light"] .feature-product,
[data-theme="light"] .demo-card,
[data-theme="light"] .demo-side,
[data-theme="light"] .newsletter,
[data-theme="light"] .hero-stats,
[data-theme="light"] .approach-grid,
[data-theme="light"] .faq-list,
[data-theme="light"] .flow,
[data-theme="light"] .video-bar { background: var(--bg-2); }
[data-theme="light"] .approach-cell { background: var(--bg-2); }
[data-theme="light"] .feature-product { background: linear-gradient(135deg, #ffffff, #f1f2ee); }
[data-theme="light"] .video-bar { background: #f1f2ee; }
[data-theme="light"] .flow { background: radial-gradient(800px 400px at 50% 50%, rgba(0,149,179,0.06), transparent 70%), #ffffff; }
[data-theme="light"] .bigcta {
  background:
    radial-gradient(800px 500px at 20% 20%, rgba(0,149,179,0.10), transparent 60%),
    radial-gradient(800px 500px at 80% 80%, rgba(122,61,240,0.10), transparent 60%),
    linear-gradient(135deg, #ffffff, #eef0f8);
}
[data-theme="light"] .community {
  background:
    radial-gradient(800px 400px at 30% 30%, rgba(122,61,240,0.10), transparent 60%),
    radial-gradient(800px 400px at 70% 70%, rgba(0,149,179,0.08), transparent 60%),
    linear-gradient(135deg, #fafaf7, #ffffff);
}
[data-theme="light"] .video-frame { background: radial-gradient(circle at 50% 50%, rgba(0,149,179,0.08), transparent 50%), #f1f2ee; }
[data-theme="light"] .code-block { background: #1a1d2e; }
[data-theme="light"] .code-block .ch { background: #0a0d1c; color: rgba(255,255,255,0.6); }
[data-theme="light"] .code-block pre { color: #e8ecff; }
[data-theme="light"] .video-poster .play svg { fill: #fff; }
[data-theme="light"] .marquee { border-color: var(--line); }
[data-theme="light"] .footer { border-color: var(--line); }
[data-theme="light"] .agent-msg .body code { background: rgba(20,30,60,0.06); color: var(--cyan); }
[data-theme="light"] .agent-msg .ref { background: rgba(20,30,60,0.03); }
[data-theme="light"] .kbd { background: rgba(20,30,60,0.04); }
[data-theme="light"] .hero-eyebrow { background: rgba(255,255,255,0.7); }
[data-theme="light"] .section-tag { background: rgba(0,149,179,0.06); }
[data-theme="light"] .demo-controls .chip,
[data-theme="light"] .post-tags span,
[data-theme="light"] .service .tags span { background: var(--bg-2); }
[data-theme="light"] .featured-tag { color: #fff; }
[data-theme="light"] .price-card.featured {
  background: linear-gradient(180deg, rgba(122,61,240,0.06), #ffffff);
}