/* ============================================================
   PixelTools portal — sci-fi cyberpunk landing
   ============================================================ */

:root {
  --bg-deep: #050714;
  --bg-surface: #0a0e1a;
  --bg-elev: #0f1530;
  --line: rgba(0, 240, 255, 0.12);
  --line-strong: rgba(0, 240, 255, 0.32);
  --text: #e6ecf5;
  --text-dim: #8892b0;
  --text-mute: #586273;

  --cyan: #00f0ff;
  --cyan-2: #4dd0ff;
  --blue: #3366ff;
  --magenta: #ff00d4;
  --magenta-2: #ff5cf2;
  --violet: #a855f7;
  --green: #00ff95;
  --amber: #ffb84d;

  --shadow-cyan: 0 0 24px rgba(0, 240, 255, 0.35), 0 0 64px rgba(0, 240, 255, 0.12);
  --shadow-magenta: 0 0 24px rgba(255, 0, 212, 0.35), 0 0 64px rgba(255, 0, 212, 0.12);

  --grad-cm: linear-gradient(135deg, var(--cyan) 0%, var(--magenta) 100%);
  --grad-cv: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);

  --font-display: "Orbitron", "Noto Sans SC", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --radius: 14px;
  --radius-lg: 20px;

  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }

::selection { background: rgba(0, 240, 255, 0.3); color: #fff; }

/* ============================================================
   Background ambient layers
   ============================================================ */
.bg-stack {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.bg-grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(to right, rgba(0, 240, 255, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 240, 255, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  animation: gridDrift 60s linear infinite;
}

@keyframes gridDrift {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 64px 64px, 64px 64px; }
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  mix-blend-mode: screen;
  animation: glowFloat 18s ease-in-out infinite;
}
.bg-glow-1 { width: 600px; height: 600px; background: var(--cyan); top: -200px; left: -200px; }
.bg-glow-2 { width: 700px; height: 700px; background: var(--magenta); top: 30%; right: -250px; animation-delay: -6s; }
.bg-glow-3 { width: 500px; height: 500px; background: var(--violet); bottom: -200px; left: 30%; animation-delay: -12s; }

@keyframes glowFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(40px, -30px) scale(1.05); }
  66%      { transform: translate(-30px, 40px) scale(0.95); }
}

#particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.bg-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(255, 255, 255, 0.012) 3px,
    rgba(255, 255, 255, 0.012) 4px
  );
  pointer-events: none;
}

.bg-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.04;
  mix-blend-mode: overlay;
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 14px 28px;
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  background: rgba(5, 7, 20, 0.55);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-brand-mark { display: flex; filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5)); }
.nav-brand-mark svg { animation: brandSpin 12s linear infinite; }
@keyframes brandSpin { to { transform: rotate(360deg); } }

.nav-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-brand-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.nav-brand-title em { font-style: normal; color: var(--cyan); }
.nav-brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-mute);
  letter-spacing: 1.5px;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-dim);
  border-radius: 8px;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a i { font-size: 11px; }
.nav-links a:hover {
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.06);
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
}

.nav-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  color: #050714;
  background: var(--grad-cm);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-cyan);
  transition: all 0.3s ease;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.6), 0 0 80px rgba(255, 0, 212, 0.3);
}
.nav-cta-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.5) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}
.nav-cta:hover .nav-cta-glow { transform: translateX(100%); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 28px 100px;
  display: flex;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 60px;
}

.hero-inner { flex: 1; min-width: 0; max-width: 720px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.8px;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  margin-bottom: 28px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}
.dot.pulse { animation: dotPulse 2s ease-in-out infinite; }
@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(56px, 9vw, 112px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

/* Glitch effect */
.glitch {
  position: relative;
  display: inline-block;
  background: linear-gradient(180deg, #ffffff 0%, #b8e6ff 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow:
    0 0 40px rgba(0, 240, 255, 0.5),
    0 0 80px rgba(0, 240, 255, 0.25);
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.glitch::before {
  background: linear-gradient(180deg, var(--magenta), var(--magenta));
  text-shadow: none;
  animation: glitch1 4s steps(1) infinite;
  clip-path: inset(0 0 0 0);
}
.glitch::after {
  background: linear-gradient(180deg, var(--cyan), var(--cyan));
  text-shadow: none;
  animation: glitch2 4s steps(1) infinite;
  clip-path: inset(0 0 0 0);
}
@keyframes glitch1 {
  0%, 92%, 100% { transform: translate(0); opacity: 0; }
  93%           { transform: translate(-2px, 1px); opacity: 0.85; clip-path: inset(20% 0 60% 0); }
  94%           { transform: translate(2px, -1px); opacity: 0.85; clip-path: inset(60% 0 20% 0); }
  95%, 96%      { opacity: 0; }
  97%           { transform: translate(-1px, 2px); opacity: 0.85; clip-path: inset(40% 0 40% 0); }
}
@keyframes glitch2 {
  0%, 91%, 100% { transform: translate(0); opacity: 0; }
  92%           { transform: translate(3px, 0); opacity: 0.7; clip-path: inset(10% 0 70% 0); }
  93%           { transform: translate(-3px, 0); opacity: 0.7; clip-path: inset(50% 0 30% 0); }
  98%           { transform: translate(2px, -2px); opacity: 0.7; clip-path: inset(70% 0 10% 0); }
}

.hero-tagline {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 18px;
  letter-spacing: -0.3px;
}
.hero-sub {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
  margin-bottom: 36px;
  max-width: 640px;
}
.hl-cyan    { color: var(--cyan); text-shadow: 0 0 12px rgba(0, 240, 255, 0.4); font-weight: 600; }
.hl-magenta { color: var(--magenta-2); text-shadow: 0 0 12px rgba(255, 0, 212, 0.4); font-weight: 600; }

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-arrow { transition: transform 0.3s; }
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--grad-cm);
  color: #050714;
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.35), 0 0 48px rgba(255, 0, 212, 0.18);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 240, 255, 0.55), 0 0 80px rgba(255, 0, 212, 0.35);
}

.btn-secondary {
  background: linear-gradient(135deg, #fff 0%, #c8e0ff 100%);
  color: #050714;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.18);
}
.btn-secondary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(255, 255, 255, 0.3); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.3);
}

.btn-lg { padding: 18px 32px; font-size: 15px; }

.hero-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 12px;
  color: var(--text-mute);
  font-family: var(--font-mono);
}
.hero-meta i { margin-right: 6px; color: var(--cyan); }
.meta-sep { color: var(--text-mute); opacity: 0.5; }

/* HUD card */
.hero-hud {
  position: relative;
  width: 380px;
  flex-shrink: 0;
  padding: 28px 28px 24px;
  background: linear-gradient(135deg, rgba(10, 14, 26, 0.85) 0%, rgba(15, 21, 48, 0.85) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  animation: hudFloat 6s ease-in-out infinite;
}
@keyframes hudFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

.hud-corner {
  position: absolute;
  width: 20px; height: 20px;
  border: 2px solid var(--cyan);
}
.hud-corner.tl { top: -2px; left: -2px;  border-right: none; border-bottom: none; }
.hud-corner.tr { top: -2px; right: -2px; border-left: none;  border-bottom: none; }
.hud-corner.bl { bottom: -2px; left: -2px;  border-right: none; border-top: none; }
.hud-corner.br { bottom: -2px; right: -2px; border-left: none;  border-top: none; }

.hud-line {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}
.hud-line:last-of-type { border-bottom: none; }
.hud-key { color: var(--text-mute); letter-spacing: 1px; }
.hud-val { color: var(--text); }
.hud-val.ok { color: var(--green); display: flex; align-items: center; gap: 6px; }
.hud-val.ok .dot { background: var(--green); box-shadow: 0 0 8px var(--green); }

.hud-bar {
  margin-top: 14px;
  height: 4px;
  background: rgba(0, 240, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}
.hud-bar-fill {
  height: 100%;
  width: 78%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  box-shadow: 0 0 12px var(--cyan);
  animation: hudBar 3s ease-in-out infinite;
}
@keyframes hudBar {
  0%, 100% { width: 78%; }
  50%      { width: 92%; }
}

.hud-foot {
  margin-top: 12px;
  text-align: center;
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 1px;
}

/* ============================================================
   Marquee
   ============================================================ */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 14, 26, 0.6) 0%, rgba(5, 7, 20, 0.4) 100%);
  overflow: hidden;
  padding: 20px 0;
}
.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  white-space: nowrap;
  animation: marquee 50s linear infinite;
  padding-left: 32px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-dim);
}
.marquee-track span:not(.dot-sep) { transition: color 0.3s; }
.marquee:hover .marquee-track span:not(.dot-sep) { color: var(--cyan); text-shadow: 0 0 12px rgba(0, 240, 255, 0.4); }
.dot-sep {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.5;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   Sections common
   ============================================================ */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 120px 28px;
}

.section-head {
  text-align: center;
  margin-bottom: 64px;
}
.kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--cyan);
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  margin-bottom: 18px;
  background: rgba(0, 240, 255, 0.04);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-title em {
  font-style: normal;
  background: var(--grad-cm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-sub {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto;
}

/* ============================================================
   Features grid
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  padding: 32px 28px;
  background: linear-gradient(180deg, rgba(15, 21, 48, 0.6) 0%, rgba(10, 14, 26, 0.6) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent, transparent);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: background 0.4s;
  pointer-events: none;
}
.feature-card:hover {
  transform: translateY(-6px);
  background: linear-gradient(180deg, rgba(15, 21, 48, 0.85) 0%, rgba(10, 14, 26, 0.85) 100%);
}
.feature-card[data-accent="cyan"]:hover    { box-shadow: 0 12px 40px rgba(0, 240, 255, 0.25); border-color: var(--cyan); }
.feature-card[data-accent="cyan"]:hover::before    { background: linear-gradient(135deg, var(--cyan), transparent 60%); }
.feature-card[data-accent="magenta"]:hover { box-shadow: 0 12px 40px rgba(255, 0, 212, 0.25); border-color: var(--magenta); }
.feature-card[data-accent="magenta"]:hover::before { background: linear-gradient(135deg, var(--magenta), transparent 60%); }
.feature-card[data-accent="violet"]:hover  { box-shadow: 0 12px 40px rgba(168, 85, 247, 0.25); border-color: var(--violet); }
.feature-card[data-accent="violet"]:hover::before  { background: linear-gradient(135deg, var(--violet), transparent 60%); }

.feature-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  border-radius: 14px;
  margin-bottom: 22px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--line-strong);
  color: var(--cyan);
  position: relative;
  transition: all 0.4s;
}
.feature-card[data-accent="magenta"] .feature-icon { background: rgba(255, 0, 212, 0.08); border-color: rgba(255, 0, 212, 0.32); color: var(--magenta-2); }
.feature-card[data-accent="violet"]  .feature-icon { background: rgba(168, 85, 247, 0.08); border-color: rgba(168, 85, 247, 0.32); color: #c084fc; }
.feature-card:hover .feature-icon {
  transform: rotate(-6deg) scale(1.08);
  box-shadow: 0 0 24px currentColor;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 12px;
}
.feature-card p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.feat-list { font-size: 13px; }
.feat-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  color: var(--text-dim);
}
.feat-list i {
  width: 16px; height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.15);
  color: var(--cyan);
}
.feature-card[data-accent="magenta"] .feat-list i { background: rgba(255, 0, 212, 0.15); color: var(--magenta-2); }
.feature-card[data-accent="violet"]  .feat-list i { background: rgba(168, 85, 247, 0.15); color: #c084fc; }

/* ============================================================
   Stats
   ============================================================ */
.stats {
  padding: 80px 28px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card {
  text-align: center;
  padding: 36px 24px;
  background: linear-gradient(180deg, rgba(15, 21, 48, 0.5) 0%, rgba(10, 14, 26, 0.5) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.6;
}

.stat-icon {
  font-size: 24px;
  color: var(--cyan);
  margin-bottom: 14px;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5));
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 700;
  background: var(--grad-cm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

/* ============================================================
   Capabilities (alternating rows)
   ============================================================ */
.cap-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 100px;
}
.cap-row.reverse { direction: rtl; }
.cap-row.reverse > * { direction: ltr; }
.cap-row:last-child { margin-bottom: 0; }

.cap-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--magenta-2);
  padding: 4px 10px;
  border: 1px solid rgba(255, 0, 212, 0.32);
  border-radius: 4px;
  margin-bottom: 16px;
}
.cap-text h3 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.cap-text p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.cap-stats {
  display: flex;
  gap: 32px;
}
.cap-stats > div {
  display: flex;
  flex-direction: column;
}
.cap-stats strong {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
}
.cap-stats span {
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 1px;
  margin-top: 4px;
}

/* Code frame */
.code-frame {
  background: linear-gradient(180deg, #0a0e1a 0%, #050714 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 50px rgba(0, 240, 255, 0.15);
  position: relative;
}
.code-frame::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.code-frame-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 240, 255, 0.04);
  border-bottom: 1px solid var(--line);
}
.code-frame-head .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.code-frame-head .dot.r { background: #ff5f57; }
.code-frame-head .dot.y { background: #febc2e; }
.code-frame-head .dot.g { background: #28c840; }
.code-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  margin-left: 12px;
}
.code-body {
  padding: 22px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--text);
  white-space: pre;
  overflow-x: auto;
}
.code-body .cm  { color: var(--text-mute); font-style: italic; }
.code-body .kw  { color: var(--cyan); }
.code-body .num { color: var(--magenta-2); }
.code-body .str { color: var(--green); }
.code-body .ok  { color: var(--green); font-weight: 600; }

/* Flow frame */
.flow-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 40px 20px;
  background: linear-gradient(180deg, rgba(15, 21, 48, 0.6) 0%, rgba(10, 14, 26, 0.6) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}
.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}
.flow-step i {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
  transition: all 0.4s;
}
.flow-step:hover i {
  background: rgba(0, 240, 255, 0.2);
  transform: scale(1.08);
}
.flow-arrow {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  position: relative;
}
.flow-arrow::after {
  content: "";
  position: absolute;
  right: 0; top: 50%;
  width: 6px; height: 6px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  transform: translateY(-50%) rotate(45deg);
}
.flow-foot {
  text-align: center;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 1px;
}

/* Topology frame */
.topo-frame {
  position: relative;
  height: 320px;
  background: linear-gradient(180deg, rgba(15, 21, 48, 0.6) 0%, rgba(10, 14, 26, 0.6) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
}
.topo-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  background: rgba(10, 14, 26, 0.8);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text);
  letter-spacing: 0.5px;
  z-index: 2;
}
.topo-node i { font-size: 18px; color: var(--cyan); }
.node-wechat { top: 30px; left: 30px; }
.node-wechat i { color: #00d97e; }
.node-pc     { top: 30px; right: 30px; }
.node-admin  { bottom: 30px; left: 50%; transform: translateX(-50%); }
.node-admin i { color: var(--magenta-2); }

.topo-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 120px; height: 120px;
}
.topo-core-inner {
  position: absolute;
  inset: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(255, 0, 212, 0.2));
  border: 1px solid var(--cyan);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--cyan);
  letter-spacing: 0.5px;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
  z-index: 2;
}
.topo-core-inner i { font-size: 18px; }
.topo-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  opacity: 0;
  animation: topoRing 3s ease-out infinite;
}
.topo-ring.r2 { animation-delay: 1.5s; }
@keyframes topoRing {
  0%   { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(2); opacity: 0; }
}

/* ============================================================
   How it works
   ============================================================ */
.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.how-steps::before {
  content: "";
  position: absolute;
  top: 60px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 20%, var(--magenta) 80%, transparent);
  opacity: 0.5;
}
.how-step {
  position: relative;
  text-align: center;
  padding: 24px 16px;
}
.how-num {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.how-icon {
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(255, 0, 212, 0.15));
  border: 1px solid var(--line-strong);
  color: var(--cyan);
  position: relative;
  z-index: 2;
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.3);
  transition: all 0.4s;
}
.how-step:hover .how-icon {
  transform: scale(1.1);
  box-shadow: 0 0 36px rgba(0, 240, 255, 0.5);
}
.how-step h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.how-step p {
  font-size: 13px;
  color: var(--text-dim);
}

/* ============================================================
   CTA
   ============================================================ */
.cta-section {
  max-width: var(--max-width);
  margin: 0 auto 100px;
  padding: 0 28px;
}

.cta-frame {
  position: relative;
  padding: 80px 40px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(255, 0, 212, 0.08) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  text-align: center;
  overflow: hidden;
}
.cta-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.15) 0%, transparent 60%);
  pointer-events: none;
}
.cta-corner {
  position: absolute;
  width: 24px; height: 24px;
  border: 2px solid var(--cyan);
  z-index: 2;
}
.cta-corner.tl { top: -2px; left: -2px;  border-right: none; border-bottom: none; }
.cta-corner.tr { top: -2px; right: -2px; border-left: none;  border-bottom: none; }
.cta-corner.bl { bottom: -2px; left: -2px;  border-right: none; border-top: none; }
.cta-corner.br { bottom: -2px; right: -2px; border-left: none;  border-top: none; }

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  margin: 16px 0 12px;
  position: relative;
}
.cta-sub {
  color: var(--text-dim);
  margin-bottom: 36px;
  position: relative;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  position: relative;
}
.cta-meta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  position: relative;
}
.cta-meta i { color: var(--cyan); margin-right: 4px; }

/* ============================================================
   macOS install guide
   ============================================================ */
.macos-guide { padding-top: 60px; }

.mac-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.mac-step {
  position: relative;
  padding: 32px 28px;
  background: linear-gradient(180deg, rgba(15, 21, 48, 0.55) 0%, rgba(10, 14, 26, 0.55) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}
.mac-step::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.6;
}
.mac-step:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 12px 40px rgba(0, 240, 255, 0.2);
}

.mac-step-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.mac-step-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  background: var(--grad-cm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.mac-step-icon {
  font-size: 28px;
  color: var(--cyan);
  filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.5));
  opacity: 0.85;
}

.mac-step h4 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
}
.mac-step p {
  color: var(--text-dim);
  font-size: 13.5px;
  line-height: 1.7;
  margin-bottom: 18px;
}
.mac-step code {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 6px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 4px;
  color: var(--cyan);
}

.mac-step-illu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px;
  background: rgba(0, 240, 255, 0.04);
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}
.mac-step-illu > i {
  font-size: 22px;
  color: var(--cyan);
}

.drag-illu { padding: 12px; }
.drag-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  font-size: 11px;
}
.drag-app i {
  font-size: 26px;
  color: var(--cyan);
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.4));
}
.drag-arrow {
  font-size: 16px;
  color: var(--magenta-2);
  animation: dragArrow 1.5s ease-in-out infinite;
}
@keyframes dragArrow {
  0%, 100% { transform: translateX(0); opacity: 0.6; }
  50%      { transform: translateX(4px); opacity: 1; }
}

/* Command box (the star of the section) */
.cmd-box {
  max-width: 880px;
  margin: 0 auto 50px;
  background: linear-gradient(180deg, #0a0e1a 0%, #050714 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  box-shadow: 0 12px 60px rgba(0, 240, 255, 0.2), 0 0 120px rgba(255, 0, 212, 0.08);
}
.cmd-box::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--cyan));
  background-size: 200% 100%;
  animation: cmdBoxBeam 4s linear infinite;
}
@keyframes cmdBoxBeam {
  from { background-position: 0% 0; }
  to   { background-position: 200% 0; }
}

.cmd-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(0, 240, 255, 0.04);
  border-bottom: 1px solid var(--line);
}
.cmd-head-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cmd-head .dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.cmd-head .dot.r { background: #ff5f57; }
.cmd-head .dot.y { background: #febc2e; }
.cmd-head .dot.g { background: #28c840; }
.cmd-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-left: 12px;
  letter-spacing: 0.5px;
}
.cmd-title i { color: var(--cyan); margin-right: 4px; }

.cmd-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.25s;
  letter-spacing: 0.5px;
}
.cmd-copy:hover {
  background: rgba(0, 240, 255, 0.2);
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
}
.cmd-copy.copied {
  color: var(--green);
  border-color: var(--green);
  background: rgba(0, 255, 149, 0.12);
}

.cmd-body {
  padding: 28px 28px 24px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
  overflow-x: auto;
}
.cmd-body .prompt   { color: var(--magenta-2); margin-right: 4px; user-select: none; }
.cmd-body .cmd-cmd  { color: var(--cyan); font-weight: 600; }
.cmd-body .cmd-flag { color: var(--amber); }
.cmd-body .cmd-arg  { color: var(--green); }
.cmd-body .cmd-path { color: #b8e0ff; }

.cmd-foot {
  padding: 12px 20px;
  background: rgba(0, 240, 255, 0.03);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.3px;
}
.cmd-foot i { color: var(--cyan); margin-right: 6px; }
.cmd-foot strong { color: var(--cyan); }

/* macOS notes (Rosetta + integrity) */
.mac-notes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
}

.mac-note {
  display: flex;
  gap: 18px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(15, 21, 48, 0.4) 0%, rgba(10, 14, 26, 0.4) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.mac-note-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 12px;
  color: #c084fc;
}
.mac-note.universal .mac-note-icon {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(255, 0, 212, 0.15));
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
}
.badge-arch {
  display: inline-block;
  padding: 2px 8px;
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 4px;
  vertical-align: 1px;
}
.mac-note.universal h5 strong { color: var(--cyan); }
.mac-note-body { flex: 1; min-width: 0; }
.mac-note-body h5 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.mac-note-body p {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 8px;
}

.mini-cmd {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 10px 12px;
  background: rgba(5, 7, 20, 0.85);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--cyan);
  white-space: pre-wrap;
  word-break: break-all;
  overflow-x: auto;
  margin-top: 6px;
}

.hash-line {
  margin-top: 8px !important;
  font-size: 11px !important;
}
.hash-line code {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--green);
  word-break: break-all;
}

@media (max-width: 1024px) {
  .mac-steps { grid-template-columns: 1fr; }
  .mac-notes { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .cmd-body { font-size: 13px; padding: 20px; }
  .cmd-head { padding: 12px 16px; }
  .mac-note { flex-direction: column; }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(5, 7, 20, 0.6), rgba(5, 7, 20, 1));
  padding: 60px 28px 30px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
}
.footer-brand p {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-dim);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--cyan);
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  padding: 4px 0;
  font-size: 13px;
  color: var(--text-dim);
  transition: color 0.25s;
}
.footer-col a:hover { color: var(--cyan); }

.tech-badge {
  display: inline-block;
  padding: 4px 10px;
  margin: 0 4px 4px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}
.status-line .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 1px;
}

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up { opacity: 0; transform: translateY(20px); animation: fadeUp 0.9s ease forwards; }
.fade-in { opacity: 0; animation: fadeIn 1.2s ease forwards; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }
.delay-5 { animation-delay: 0.75s; }
.delay-6 { animation-delay: 0.9s; }
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  to { opacity: 1; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-row { grid-template-columns: 1fr; gap: 40px; }
  .cap-row.reverse { direction: ltr; }
  .how-steps { grid-template-columns: repeat(2, 1fr); }
  .how-steps::before { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero { flex-direction: column; gap: 40px; padding: 120px 20px 80px; }
  .hero-hud { width: 100%; max-width: 460px; }
}

@media (max-width: 720px) {
  .nav { padding: 12px 16px; }
  .nav-links { display: none; }
  .nav-cta { padding: 8px 14px; font-size: 12px; }
  .nav-brand-sub { display: none; }

  .hero { padding: 100px 16px 60px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }

  .section { padding: 80px 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-card { padding: 24px 16px; }
  .how-steps { grid-template-columns: 1fr; gap: 16px; }

  .cta-section { padding: 0 16px; margin-bottom: 60px; }
  .cta-frame { padding: 50px 24px; }
  .cta-buttons { flex-direction: column; align-items: stretch; }

  .footer-cols { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .flow-frame { flex-wrap: wrap; }
  .flow-arrow { width: 100%; height: 20px; transform: rotate(90deg); }
}