:root {
  --bg-0: #07030f;
  --bg-1: #0d0620;
  --bg-2: #140936;
  --surface: rgba(28, 14, 60, 0.5);
  --surface-2: rgba(40, 20, 85, 0.35);
  --border: rgba(170, 120, 255, 0.18);
  --border-strong: rgba(180, 130, 255, 0.42);
  --violet-50: #f4ecff;
  --violet-100: #e4d0ff;
  --violet-200: #c89eff;
  --violet-300: #a877ff;
  --violet-400: #8a4bec;
  --violet-500: #6b2dc9;
  --violet-600: #4d1ca0;
  --violet-700: #2c0f68;
  --violet-900: #140634;
  --accent: #d7b4ff;
  --glow: 0 0 30px rgba(168, 119, 255, 0.35);
  --glow-strong: 0 0 50px rgba(168, 119, 255, 0.55);
  --text: #ece3ff;
  --text-dim: #a99cc8;
  --text-muted: #6e6496;
  --ok: #6ef7c5;
  --warn: #ffbf66;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --r-lg: 18px;
  --r-md: 12px;
  --r-sm: 8px;
}

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

html, body {
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(107, 45, 201, 0.35), transparent 60%),
    radial-gradient(900px 600px at 90% 10%, rgba(168, 119, 255, 0.18), transparent 60%),
    radial-gradient(1000px 800px at 50% 120%, rgba(77, 28, 160, 0.3), transparent 60%),
    linear-gradient(180deg, #05020c 0%, #0a0416 100%);
  min-height: 100vh;
  position: relative;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
code, pre { font-family: var(--font-mono); }

/* ============ HUD FRAME ============ */
.hud-frame { position: fixed; inset: 14px; pointer-events: none; z-index: 1; }
.hud-corner {
  position: absolute; width: 26px; height: 26px;
  border: 1px solid var(--border-strong);
}
.hud-corner.tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.hud-corner.tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.hud-corner.bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.hud-corner.br { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.hud-tick {
  position: absolute; left: 50%; transform: translateX(-50%);
  width: 120px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}
.hud-tick.tick-top { top: 0; }
.hud-tick.tick-bottom { bottom: 0; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 42px;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(10, 4, 22, 0.85), rgba(10, 4, 22, 0.35));
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 600; letter-spacing: 0.02em; font-size: 17px;
}
.brand em {
  font-style: normal; color: var(--violet-200); font-weight: 400;
}
.brand-mark {
  width: 30px; height: 30px;
  filter: drop-shadow(0 0 10px rgba(168,119,255,.7));
}

.nav-links {
  display: flex; gap: 30px; font-size: 14px; color: var(--text-dim);
}
.nav-links a { position: relative; transition: color .2s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 1px; background: var(--violet-200);
  transition: width .3s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; font-size: 14px; font-weight: 500;
  border-radius: 999px; border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, rgba(138, 75, 236, 0.3), rgba(77, 28, 160, 0.15));
  color: var(--text); cursor: pointer; transition: all .25s;
  font-family: var(--font-sans);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--glow); }
.btn-primary {
  background: linear-gradient(180deg, #a877ff, #6b2dc9);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 28px rgba(138, 75, 236, 0.5);
}
.btn-primary:hover { box-shadow: 0 10px 34px rgba(168, 119, 255, 0.75); }
.btn-secondary {
  background: transparent; border-color: var(--border-strong); color: var(--violet-100);
}
.btn-ghost {
  background: rgba(28, 14, 60, 0.35); border-color: var(--border);
  font-size: 13px; padding: 9px 16px;
}
.btn.lg { padding: 14px 26px; font-size: 15px; }

.dot-live {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(110, 247, 197, 0.6);
  animation: pulse 1.8s infinite;
  display: inline-block;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(110, 247, 197, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(110, 247, 197, 0); }
  100% { box-shadow: 0 0 0 0 rgba(110, 247, 197, 0); }
}

/* ============ LAYOUT ============ */
main { position: relative; z-index: 2; }
section { padding: 100px 42px; max-width: 1280px; margin: 0 auto; }

.section-head { max-width: 780px; margin-bottom: 48px; }
.section-kicker {
  display: inline-block; font-family: var(--font-mono); font-size: 12px;
  color: var(--violet-200); letter-spacing: 0.14em; margin-bottom: 14px;
  padding: 4px 12px; border: 1px solid var(--border);
  border-radius: 999px; background: var(--surface-2);
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-sans); font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.1;
  color: var(--text);
}
h1 { font-size: clamp(40px, 6vw, 72px); }
h2 { font-size: clamp(30px, 4.2vw, 48px); margin-bottom: 14px; }
h3 { font-size: 20px; margin-bottom: 8px; }
h4 { font-size: 18px; margin-bottom: 10px; color: var(--violet-100); }
h5 { font-size: 15px; color: var(--violet-100); margin-bottom: 4px; }
.section-lead { color: var(--text-dim); font-size: 17px; margin-top: 10px; }

.gradient-text {
  background: linear-gradient(110deg, #f4ecff 0%, #c89eff 40%, #8a4bec 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============ HERO ============ */
.hero {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px;
  padding-top: 60px; align-items: center;
}
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; color: var(--violet-100);
  padding: 6px 14px; border: 1px solid var(--border-strong);
  border-radius: 999px; background: rgba(168, 119, 255, 0.08);
  margin-bottom: 28px;
}
.chip-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--violet-200); box-shadow: 0 0 8px var(--violet-200); }
.hero-sub { color: var(--text-dim); font-size: 19px; max-width: 580px; margin-top: 22px; }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; }
.hero-meta {
  display: flex; gap: 40px; margin-top: 50px;
  padding-top: 28px; border-top: 1px solid var(--border);
}
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta strong {
  font-size: 22px; font-weight: 600; color: var(--violet-100);
  font-family: var(--font-mono);
}
.hero-meta span { font-size: 12px; color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }

/* hero visual */
.hero-visual { position: relative; }
.visual-frame {
  position: relative; aspect-ratio: 1/1;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 50% 50%, rgba(107, 45, 201, 0.4), transparent 70%),
    linear-gradient(180deg, rgba(20, 9, 54, 0.55), rgba(10, 4, 22, 0.8));
  overflow: hidden;
  box-shadow: inset 0 0 60px rgba(168, 119, 255, 0.15), 0 30px 80px rgba(0, 0, 0, 0.5);
}
.visual-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
  mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 75%);
}
.visual-scanline {
  position: absolute; left: 0; right: 0; height: 160px;
  background: linear-gradient(180deg, transparent, rgba(168,119,255,.18), transparent);
  animation: scan 4s linear infinite;
}
@keyframes scan { 0% { top: -20%; } 100% { top: 110%; } }

.butterfly {
  position: absolute; inset: 0; margin: auto;
  width: 90%; height: 90%;
  filter: drop-shadow(0 0 40px rgba(168,119,255,.5));
}
.wing-group { transform-origin: 200px 200px; animation: flap 5s ease-in-out infinite; }
@keyframes flap {
  0%,100% { transform: scaleX(1); }
  50% { transform: scaleX(0.82); }
}

.visual-tag {
  position: absolute; font-family: var(--font-mono); font-size: 11px;
  color: var(--violet-100); letter-spacing: 0.08em;
  padding: 6px 10px; background: rgba(10, 4, 22, 0.7);
  border: 1px solid var(--border-strong); border-radius: 6px;
  backdrop-filter: blur(10px);
}
.visual-tag b { color: var(--text); font-weight: 500; }
.visual-tag .ok { color: var(--ok); }
.tag-1 { top: 12%; left: 6%; }
.tag-2 { bottom: 14%; right: 6%; }
.tag-3 { bottom: 28%; left: 4%; }

/* ============ TICKER ============ */
.ticker {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(28,14,60,.4), rgba(20,9,54,.2), rgba(28,14,60,.4));
  padding: 16px 0; margin: 40px 0 0;
  overflow: hidden; max-width: 100%;
}
.ticker-track {
  display: flex; gap: 60px; white-space: nowrap;
  animation: marquee 45s linear infinite;
  font-family: var(--font-mono); font-size: 13px; color: var(--text-dim);
}
.ticker-track b { color: var(--violet-100); margin-left: 4px; }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============ GRIDS ============ */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.module {
  position: relative; display: flex; flex-direction: column;
  padding: 28px 24px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); transition: all .3s;
  overflow: hidden;
}
.module::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px 200px at var(--mx,50%) var(--my,0%), rgba(168,119,255,.2), transparent 60%);
  opacity: 0; transition: opacity .3s;
  pointer-events: none;
}
.module:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.module:hover::before { opacity: 1; }
.module-icon {
  width: 44px; height: 44px; display: grid; place-items: center;
  font-size: 20px; color: var(--violet-100);
  background: linear-gradient(180deg, rgba(168,119,255,.2), rgba(77,28,160,.15));
  border: 1px solid var(--border-strong);
  border-radius: 12px; margin-bottom: 20px;
}
.module p { color: var(--text-dim); font-size: 14px; flex: 1; }
.arrow {
  display: inline-block; margin-top: 18px; color: var(--violet-200);
  font-family: var(--font-mono); transition: transform .3s;
}
.module:hover .arrow { transform: translateX(4px); }

/* ============ FEATURES ============ */
.feature {
  padding: 26px 24px;
  background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--r-md);
}
.feature p { color: var(--text-dim); font-size: 14px; }

/* ============ AGENT SKILL ============ */
.skill-layout {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px;
  align-items: start;
}
.skill-card {
  background: linear-gradient(180deg, rgba(28,14,60,.7), rgba(10,4,22,.85));
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: 0 30px 80px rgba(0,0,0,.4), inset 0 0 40px rgba(168,119,255,.06);
  overflow: hidden;
}
.skill-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  background: rgba(10,4,22,.55);
  font-family: var(--font-mono); font-size: 12px; color: var(--text-dim);
}
.tag-live {
  color: var(--ok); padding: 2px 8px;
  background: rgba(110,247,197,.1); border: 1px solid rgba(110,247,197,.3);
  border-radius: 4px; font-size: 11px; letter-spacing: .12em;
}
.skill-card pre {
  padding: 24px 22px; font-size: 13px; line-height: 1.65;
  color: var(--text); overflow-x: auto;
}
.skill-card code { white-space: pre; }
.skill-foot {
  padding: 14px 20px; border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 12px; color: var(--text-dim);
  display: flex; align-items: center; gap: 8px;
  background: rgba(10,4,22,.4);
}
.c-dim { color: var(--text-muted); }
.c-fn { color: var(--violet-200); }
.c-str { color: #ffc9ae; }
.c-kw { color: #d7a6ff; }
.c-num { color: var(--ok); }
.c-var { color: var(--violet-100); }

.skill-steps { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.skill-steps li {
  display: flex; gap: 18px; padding: 20px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.step-no {
  font-family: var(--font-mono); font-size: 13px; color: var(--violet-200);
  width: 34px; height: 34px; flex-shrink: 0;
  display: grid; place-items: center;
  border: 1px solid var(--border-strong); border-radius: 8px;
  background: rgba(168,119,255,.08);
}
.skill-steps p { color: var(--text-dim); font-size: 14px; margin-top: 3px; }
.skill-steps code { background: rgba(168,119,255,.12); padding: 1px 6px; border-radius: 4px; font-size: 12px; color: var(--violet-100); }

/* ============ SDK ============ */
.sdk-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: start; }
.sdk-points { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.sdk-points > div {
  padding: 22px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--r-md);
}
.sdk-points p { color: var(--text-dim); font-size: 13.5px; }

.sdk-code {
  background: linear-gradient(180deg, rgba(10,4,22,.92), rgba(20,9,54,.85));
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.5), var(--glow);
}
.code-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px; border-bottom: 1px solid var(--border);
  background: rgba(10,4,22,.7);
  font-family: var(--font-mono); font-size: 12px; color: var(--text-dim);
}
.dots { display: flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(168,119,255,.35); display: block; }
.dots i:first-child { background: #ff6b8a; }
.dots i:nth-child(2) { background: #ffbf66; }
.dots i:last-child { background: var(--ok); }
.sdk-code pre { padding: 24px; font-size: 13.5px; line-height: 1.7; overflow-x: auto; }

/* ============ API ============ */
.api-table {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
}
.api-row {
  display: grid; grid-template-columns: 90px 260px 1fr; gap: 20px;
  padding: 18px 24px; align-items: center;
  border-bottom: 1px solid var(--border);
  transition: background .2s;
}
.api-row:last-child { border-bottom: 0; }
.api-row:hover:not(.api-head-row) { background: rgba(168,119,255,.05); }
.api-head-row {
  background: rgba(10,4,22,.5);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  color: var(--text-muted); text-transform: uppercase;
}
.api-row code {
  font-size: 13px; color: var(--violet-100);
  background: rgba(168,119,255,.08); padding: 6px 10px;
  border-radius: 6px; border: 1px solid var(--border);
}
.api-row > span:last-child { color: var(--text-dim); font-size: 14px; }
.m-get, .m-post {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  padding: 4px 10px; border-radius: 6px; text-align: center;
  letter-spacing: .08em;
}
.m-get { color: var(--ok); background: rgba(110,247,197,.1); border: 1px solid rgba(110,247,197,.3); }
.m-post { color: var(--violet-100); background: rgba(168,119,255,.12); border: 1px solid var(--border-strong); }

/* ============ REGISTRY ============ */
.reg-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.reg-card {
  padding: 18px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--r-md);
  transition: all .25s;
}
.reg-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.reg-card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.reg-sym {
  font-family: var(--font-mono); font-size: 12px; color: var(--violet-200);
  padding: 3px 8px; background: rgba(168,119,255,.1);
  border-radius: 4px; border: 1px solid var(--border);
}
.reg-name { font-weight: 500; font-size: 15px; }
.reg-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); }
.reg-bar {
  height: 4px; background: rgba(168,119,255,.1); border-radius: 999px;
  margin-top: 10px; overflow: hidden;
}
.reg-bar-fill {
  height: 100%; background: linear-gradient(90deg, var(--violet-400), var(--violet-200));
  box-shadow: 0 0 10px var(--violet-300);
  border-radius: 999px;
}

/* ============ CTA ============ */
.cta { padding: 120px 42px; }
.cta-inner {
  position: relative; padding: 80px 60px; text-align: center;
  background:
    radial-gradient(600px 400px at 50% 0%, rgba(168,119,255,.35), transparent 70%),
    linear-gradient(180deg, rgba(40,20,85,.5), rgba(20,9,54,.5));
  border: 1px solid var(--border-strong); border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--glow-strong);
}
.cta-kicker { font-family: var(--font-mono); font-size: 12px; color: var(--violet-200); letter-spacing: .14em; margin-bottom: 16px; }
.cta h2 { font-size: clamp(32px, 4.5vw, 54px); margin-bottom: 18px; }
.cta p { color: var(--text-dim); font-size: 17px; max-width: 560px; margin: 0 auto 36px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; }

/* ============ FOOTER ============ */
.footer {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 42px; padding: 60px 42px 36px;
  max-width: 1280px; margin: 0 auto;
  border-top: 1px solid var(--border);
}
.foot-col p { color: var(--text-dim); font-size: 14px; margin-top: 14px; max-width: 320px; }
.foot-col h6 { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 14px; }
.foot-col a { display: block; font-size: 14px; color: var(--text-dim); padding: 4px 0; transition: color .2s; }
.foot-col a:hover { color: var(--violet-100); }
.foot-legal {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 12px;
  padding-top: 30px; margin-top: 20px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
}
.sep { opacity: .5; }

/* ============ RESPONSIVE ============ */
/* ============ CA SECTION ============ */
.ca-section { padding: 60px 42px 20px; max-width: 1280px; margin: 0 auto; }
.ca-card {
  position: relative;
  padding: 28px 32px;
  background: linear-gradient(180deg, rgba(40,20,85,.35), rgba(20,9,54,.5));
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,.4), inset 0 0 40px rgba(168,119,255,.06);
  overflow: hidden;
}
.ca-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 200px at 50% 0%, rgba(168,119,255,.2), transparent 70%);
  pointer-events: none;
}
.ca-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; position: relative;
}
.ca-kicker {
  font-family: var(--font-mono); font-size: 12px; color: var(--violet-200);
  letter-spacing: .14em;
}
.ca-chain {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; color: var(--violet-100);
  padding: 4px 12px; border: 1px solid var(--border-strong);
  border-radius: 999px; background: rgba(168,119,255,.08);
}
.ca-box {
  position: relative; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 18px 22px;
  background: rgba(10, 4, 22, 0.65);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-md);
  font-family: var(--font-mono);
}
.ca-box[data-empty="true"] .ca-placeholder {
  color: var(--text-muted); font-size: 15px; letter-spacing: .06em;
  position: relative; display: inline-flex; align-items: center; gap: 10px;
}
.ca-box[data-empty="true"] .ca-placeholder::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--warn);
  box-shadow: 0 0 10px var(--warn);
  animation: pulse-warn 1.8s infinite;
}
@keyframes pulse-warn {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.85); }
}
.ca-address {
  font-size: 14px; color: var(--violet-100); letter-spacing: .02em;
  word-break: break-all;
}
.ca-copy {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; font-family: var(--font-sans); font-size: 13px;
  color: var(--violet-100); background: rgba(168,119,255,.1);
  border: 1px solid var(--border-strong); border-radius: 8px;
  cursor: pointer; transition: all .2s;
  flex-shrink: 0;
}
.ca-copy:hover { background: rgba(168,119,255,.2); color: #fff; }
.ca-box[data-empty="true"] .ca-copy { opacity: .4; pointer-events: none; }
.ca-note {
  margin-top: 14px; font-size: 13px; color: var(--text-muted);
  position: relative;
}

/* ============ NAV ACTIONS / WALLET / TWITTER ============ */
.nav-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 38px; height: 38px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: rgba(28, 14, 60, 0.45);
  color: var(--violet-100);
  transition: all .25s;
}
.icon-btn:hover { color: #fff; transform: translateY(-1px); box-shadow: var(--glow); border-color: var(--violet-200); }
.btn-wallet { min-width: 140px; justify-content: center; }
.btn-wallet.connected {
  background: linear-gradient(180deg, rgba(110,247,197,.2), rgba(30,80,60,.25));
  border: 1px solid rgba(110,247,197,.45);
  color: #dffaec;
  box-shadow: 0 0 22px rgba(110,247,197,.2);
}
.btn-wallet.connected:hover { box-shadow: 0 0 30px rgba(110,247,197,.4); }

/* ============ MODAL ============ */
.modal {
  position: fixed; inset: 0; z-index: 50;
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.modal.open { display: flex; animation: modal-in .25s ease; }
@keyframes modal-in { from { opacity: 0; } to { opacity: 1; } }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(5, 2, 12, 0.75);
  backdrop-filter: blur(14px);
}
.modal-card {
  position: relative; width: 100%; max-width: 440px;
  background: linear-gradient(180deg, rgba(28,14,60,.95), rgba(10,4,22,.98));
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: 0 30px 80px rgba(0,0,0,.7), var(--glow-strong);
  animation: card-in .35s cubic-bezier(.2,.8,.3,1);
}
@keyframes card-in { from { transform: translateY(20px) scale(.96); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.modal-head h3 { font-size: 20px; }
.modal-close {
  width: 32px; height: 32px; border: 1px solid var(--border); border-radius: 8px;
  background: transparent; color: var(--text-dim); font-size: 20px;
  cursor: pointer; transition: all .2s;
}
.modal-close:hover { color: #fff; border-color: var(--border-strong); }
.modal-sub { color: var(--text-dim); font-size: 14px; margin-bottom: 20px; }
.wallet-list { display: flex; flex-direction: column; gap: 10px; }
.wallet-option {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-md); cursor: pointer;
  color: var(--text); font-family: inherit; font-size: 15px;
  transition: all .2s; text-align: left;
}
.wallet-option:hover { border-color: var(--border-strong); background: rgba(168,119,255,.08); transform: translateX(2px); }
.w-ic {
  width: 36px; height: 36px; display: grid; place-items: center;
  font-size: 20px; background: rgba(168,119,255,.12);
  border: 1px solid var(--border); border-radius: 8px;
}
.w-name { flex: 1; font-weight: 500; }
.w-tag {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em;
  color: var(--violet-200); padding: 3px 8px;
  background: rgba(168,119,255,.1); border: 1px solid var(--border);
  border-radius: 4px;
}
.modal-foot {
  display: flex; align-items: center; gap: 8px;
  margin-top: 22px; padding-top: 18px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
}

/* ============ TOAST ============ */
.toast {
  position: fixed; bottom: 30px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  padding: 12px 22px;
  background: linear-gradient(180deg, rgba(40,20,85,.95), rgba(20,9,54,.98));
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text); font-size: 14px;
  box-shadow: 0 14px 40px rgba(0,0,0,.55), var(--glow);
  z-index: 60; opacity: 0;
  transition: all .3s cubic-bezier(.2,.8,.3,1);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast .dot-live { margin-right: 6px; }

@media (max-width: 980px) {
  .nav { padding: 12px 16px; gap: 10px; }
  .nav-links { display: none; }
  .btn-wallet { min-width: auto; padding: 9px 14px; font-size: 13px; }
  .ca-section { padding: 40px 20px 10px; }
  .ca-card { padding: 22px; }
  .ca-box { flex-direction: column; align-items: flex-start; gap: 12px; }
  .btn-wallet #wallet-label { display: inline; }
  section { padding: 70px 20px; }
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .skill-layout, .sdk-layout { grid-template-columns: 1fr; }
  .sdk-points { grid-template-columns: 1fr; }
  .reg-grid { grid-template-columns: 1fr 1fr; }
  .api-row { grid-template-columns: 70px 1fr; gap: 10px; }
  .api-row > span:last-child { grid-column: 1 / -1; font-size: 13px; }
  .footer { grid-template-columns: 1fr 1fr; gap: 30px; padding: 40px 20px 30px; }
  .cta-inner { padding: 50px 24px; }
  .hero-meta { flex-wrap: wrap; gap: 24px; }
}
@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
  .reg-grid { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .footer { grid-template-columns: 1fr; }
}