/* ============================================================
   LEVYN AI SYSTEMS · style.css
   v1.2 · CHECKPOINT 7.1C — Premium Futuristic Redesign
   ------------------------------------------------------------
   Aesthetic: cinematic dark command-center, HUD frame language,
   layered glass panels, intelligence-core orb, aurora atmosphere.
   Fraunces (display serif) · Space Grotesk (body) · JetBrains Mono (system).
   Local-only package. No deploy. No external calls.
   ============================================================ */

/* ============================================================
   01 — Design tokens
   ============================================================ */

:root {
  /* surfaces */
  --bg-void: #02050c;
  --bg-obsidian: #03070f;
  --bg-deep: #060c1a;
  --bg-panel: #0a1224;

  /* glass */
  --glass-1: rgba(14, 22, 42, 0.55);
  --glass-2: rgba(22, 34, 60, 0.65);
  --glass-3: rgba(34, 50, 84, 0.75);
  --glass-lo: rgba(10, 16, 30, 0.45);

  /* borders */
  --line-1: rgba(130, 180, 255, 0.10);
  --line-2: rgba(130, 180, 255, 0.18);
  --line-3: rgba(130, 180, 255, 0.34);
  --line-hot: rgba(77, 245, 255, 0.55);

  /* accents */
  --cyan: #4df5ff;
  --cyan-dim: rgba(77, 245, 255, 0.45);
  --electric: #5aa9ff;
  --electric-dim: rgba(90, 169, 255, 0.45);
  --indigo: #8b6bff;
  --indigo-dim: rgba(139, 107, 255, 0.4);
  --amber: #ffb86b;
  --amber-dim: rgba(255, 184, 107, 0.5);

  /* text */
  --t-hi: #eef2ff;
  --t-md: #aab5cf;
  --t-lo: #5d6a85;
  --t-mute: #36405a;

  /* type stacks */
  --f-display: "Fraunces", "Times New Roman", serif;
  --f-body: "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --f-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;

  /* rhythm */
  --maxw: 1240px;
  --pad-x: clamp(20px, 4.5vw, 64px);
  --pad-y-section: clamp(72px, 10vw, 140px);

  /* easings */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in-out: cubic-bezier(0.5, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.5, 1);

  /* radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
}

/* ============================================================
   02 — Reset + base
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg-void);
  color: var(--t-md);
  font-family: var(--f-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.005em;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(77, 245, 255, 0.25);
  color: var(--t-hi);
}

a { color: inherit; }

img, svg { display: block; max-width: 100%; }

/* ============================================================
   03 — Atmosphere stack (z-index: -5 to -1)
   ============================================================ */

.atm {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Layer 1: aurora — slow rotating conic gradients */
.atm-aurora {
  position: fixed;
  inset: -25%;
  z-index: -5;
  background:
    radial-gradient(ellipse 60% 50% at 25% 20%, rgba(77, 245, 255, 0.22), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 75%, rgba(90, 169, 255, 0.20), transparent 60%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(139, 107, 255, 0.18), transparent 60%);
  filter: blur(40px);
  opacity: 0.85;
  animation: auroraDrift 90s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes auroraDrift {
  0%   { transform: translate(0%, 0%) rotate(0deg); }
  100% { transform: translate(2%, -3%) rotate(8deg); }
}

/* Layer 2: deep gradient base */
.atm-base {
  position: fixed;
  inset: 0;
  z-index: -4;
  background:
    linear-gradient(180deg, var(--bg-void) 0%, var(--bg-obsidian) 40%, var(--bg-void) 100%);
  pointer-events: none;
}

/* Layer 3: grid — coarse */
.atm-grid {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(to right, rgba(130, 180, 255, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(130, 180, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse at top, rgba(0,0,0,0.85) 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse at top, rgba(0,0,0,0.85) 30%, transparent 90%);
  pointer-events: none;
}

/* Layer 4: grid — fine, drifting */
.atm-grid-fine {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(to right, rgba(130, 180, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(130, 180, 255, 0.025) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: radial-gradient(ellipse at top, rgba(0,0,0,0.55) 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at top, rgba(0,0,0,0.55) 25%, transparent 75%);
  pointer-events: none;
  animation: gridDrift 60s linear infinite;
}
@keyframes gridDrift {
  from { background-position: 0 0; }
  to   { background-position: 18px 18px; }
}

/* Layer 5: starfield — radial dots */
.atm-stars {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    radial-gradient(1px 1px at 15% 22%, rgba(200, 220, 255, 0.7), transparent 60%),
    radial-gradient(1px 1px at 42% 68%, rgba(180, 210, 255, 0.55), transparent 60%),
    radial-gradient(1px 1px at 74% 14%, rgba(220, 230, 255, 0.6), transparent 60%),
    radial-gradient(1px 1px at 88% 52%, rgba(200, 220, 255, 0.45), transparent 60%),
    radial-gradient(1px 1px at 27% 84%, rgba(190, 215, 255, 0.5), transparent 60%),
    radial-gradient(1px 1px at 61% 31%, rgba(210, 225, 255, 0.5), transparent 60%),
    radial-gradient(1px 1px at 6% 55%, rgba(200, 220, 255, 0.5), transparent 60%),
    radial-gradient(1px 1px at 95% 88%, rgba(190, 210, 255, 0.45), transparent 60%),
    radial-gradient(1px 1px at 51% 5%, rgba(200, 220, 255, 0.5), transparent 60%),
    radial-gradient(1px 1px at 33% 47%, rgba(220, 235, 255, 0.4), transparent 60%);
  animation: starTwinkle 5s ease-in-out infinite;
}
@keyframes starTwinkle {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 0.35; }
}

/* Layer 6: scanline overlay */
.atm-scan {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 49.5%,
    rgba(77, 245, 255, 0.035) 50%,
    transparent 50.5%
  );
  background-size: 100% 7px;
  opacity: 0.5;
  mix-blend-mode: screen;
  animation: scanShift 9s linear infinite;
}
@keyframes scanShift {
  from { background-position: 0 0; }
  to   { background-position: 0 14px; }
}

/* Layer 7: vignette */
.atm-vignette {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 35%,
    rgba(2, 5, 12, 0.45) 80%,
    rgba(2, 5, 12, 0.85) 100%
  );
}

/* Layer 8: noise grain */
.atm-noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.7'/></svg>");
}

@media (prefers-reduced-motion: reduce) {
  .atm-aurora, .atm-grid-fine, .atm-scan, .atm-stars {
    animation: none !important;
  }
}

/* ============================================================
   04 — Layout primitives
   ============================================================ */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  position: relative;
}

.section {
  padding-top: var(--pad-y-section);
  padding-bottom: var(--pad-y-section);
  position: relative;
}

.section + .section { padding-top: clamp(56px, 8vw, 100px); }

/* ============================================================
   05 — Navigation
   ============================================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 80;
  backdrop-filter: blur(18px) saturate(1.3);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  background: rgba(2, 5, 12, 0.65);
  border-bottom: 1px solid var(--line-1);
}

.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px var(--pad-x);
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  text-decoration: none;
  color: var(--t-hi);
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.012em;
  line-height: 1;
}
.brand__bracket {
  color: var(--cyan);
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 14px;
  text-shadow: 0 0 12px rgba(77, 245, 255, 0.5);
}
.brand__word { font-family: var(--f-display); }
.brand__accent {
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 400;
  color: var(--t-md);
}

.nav__menu {
  display: flex;
  gap: 26px;
  margin-left: auto;
}
.nav__menu a {
  font-family: var(--f-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--t-md);
  text-decoration: none;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s var(--ease-out);
}
.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  transition: width 0.3s var(--ease-out);
}
.nav__menu a:hover { color: var(--cyan); }
.nav__menu a:hover::after { width: 100%; }

@media (max-width: 920px) {
  .nav__menu { display: none; }
}

/* System online status pill */
.statpill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 11px 7px 9px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(14, 22, 42, 0.7), rgba(22, 34, 60, 0.5));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.02),
    0 0 16px -4px rgba(77, 245, 255, 0.18);
}
.statpill__ring {
  position: relative;
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.statpill__ring::before,
.statpill__ring::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  animation: ringPulse 2.6s ease-out infinite;
  opacity: 0;
}
.statpill__ring::after { animation-delay: 1.3s; }
.statpill__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow:
    0 0 8px var(--cyan),
    0 0 20px rgba(77, 245, 255, 0.55);
  animation: dotBlink 2.6s ease-in-out infinite;
}
.statpill__label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--t-md);
  text-transform: uppercase;
}
@keyframes ringPulse {
  0%   { transform: scale(0.55); opacity: 0.9; }
  80%  { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}
@keyframes dotBlink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.85); }
}
@media (prefers-reduced-motion: reduce) {
  .statpill__ring::before,
  .statpill__ring::after,
  .statpill__dot { animation: none !important; }
}

/* ============================================================
   06 — Hero
   ============================================================ */

.hero {
  position: relative;
  padding-top: clamp(64px, 9vw, 120px);
  padding-bottom: clamp(80px, 10vw, 140px);
}

.hero__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  position: relative;
}

@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
}

/* HUD corner brackets around the entire hero */
.hero__frame {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero__frame::before,
.hero__frame::after,
.hero__frame > span::before,
.hero__frame > span::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  border-color: var(--cyan);
  border-style: solid;
  opacity: 0.6;
}
.hero__frame::before {
  top: 8px; left: 8px;
  border-width: 1px 0 0 1px;
}
.hero__frame::after {
  top: 8px; right: 8px;
  border-width: 1px 1px 0 0;
}
.hero__frame > span::before {
  content: "";
  position: absolute;
  bottom: 8px; left: 8px;
  border-width: 0 0 1px 1px;
}
.hero__frame > span::after {
  content: "";
  position: absolute;
  bottom: 8px; right: 8px;
  border-width: 0 1px 1px 0;
}

/* Hero halo behind title */
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -120px;
  left: -20%;
  width: 70vw;
  height: 700px;
  background:
    radial-gradient(ellipse at center,
      rgba(77, 245, 255, 0.18) 0%,
      rgba(90, 169, 255, 0.10) 40%,
      transparent 75%);
  filter: blur(60px);
  pointer-events: none;
  animation: heroHalo 16s ease-in-out infinite alternate;
}
@keyframes heroHalo {
  from { opacity: 0.7; transform: translateY(0) scale(1); }
  to   { opacity: 1.0; transform: translateY(20px) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) { .hero::before { animation: none !important; } }

/* Hero LEFT column */
.hero__col-left { position: relative; z-index: 1; }

.hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--glass-lo);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t-md);
  margin-bottom: 28px;
}
.hero__meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.hero__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(46px, 7.2vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.028em;
  color: var(--t-hi);
  margin: 0 0 28px;
  text-wrap: balance;
  text-shadow:
    0 0 40px rgba(77, 245, 255, 0.18),
    0 0 100px rgba(90, 169, 255, 0.10);
}
.hero__title .row { display: block; }
.hero__title .row--ital {
  font-style: italic;
  font-weight: 300;
  background: linear-gradient(180deg, var(--t-hi) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero__title .row--ital .punct {
  -webkit-text-fill-color: var(--cyan);
  color: var(--cyan);
}

.hero__lede {
  font-family: var(--f-body);
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--t-md);
  max-width: 540px;
  margin: 0 0 16px;
  letter-spacing: 0.005em;
}
.hero__lede strong {
  color: var(--t-hi);
  font-weight: 500;
}

.hero__sublede {
  font-family: var(--f-body);
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.6;
  color: var(--t-lo);
  max-width: 540px;
  margin: 0 0 36px;
  padding-left: 14px;
  border-left: 1px solid var(--line-2);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 40px;
}

/* Spec strip under CTAs */
.hero__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line-1);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t-lo);
}
.hero__specs .spec {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero__specs .spec b {
  color: var(--t-hi);
  font-weight: 500;
  font-family: var(--f-mono);
}
.hero__specs .spec-dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

/* Hero RIGHT column — Intelligence Core HUD */
.hero__col-right {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 520px;
  perspective: 1400px;
}

/* The HUD container */
.hud {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
}

/* Central intelligence core (SVG inside) */
.core {
  position: relative;
  width: 62%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.core svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.core__glow {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(77, 245, 255, 0.30) 0%,
    rgba(90, 169, 255, 0.18) 30%,
    rgba(139, 107, 255, 0.10) 60%,
    transparent 75%);
  filter: blur(20px);
  animation: coreBreath 5s ease-in-out infinite alternate;
}
@keyframes coreBreath {
  from { opacity: 0.7; transform: scale(0.95); }
  to   { opacity: 1.0; transform: scale(1.08); }
}

.core__ring-rot     { animation: rotCW  40s linear infinite; transform-origin: 50% 50%; }
.core__ring-rot-rev { animation: rotCCW 60s linear infinite; transform-origin: 50% 50%; }
.core__scan         { animation: rotCW  6s  linear infinite; transform-origin: 50% 50%; }
.core__pulse        { animation: corePulse 3.2s ease-in-out infinite; transform-origin: 50% 50%; }

@keyframes rotCW   { to { transform: rotate(360deg); } }
@keyframes rotCCW  { to { transform: rotate(-360deg); } }
@keyframes corePulse {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50%      { opacity: 1.0;  transform: scale(1.04); }
}

@media (prefers-reduced-motion: reduce) {
  .core__glow, .core__ring-rot, .core__ring-rot-rev,
  .core__scan, .core__pulse { animation: none !important; }
}

/* Floating modules around the core */
.mod {
  position: absolute;
  background: linear-gradient(135deg, var(--glass-2), var(--glass-1));
  border-radius: var(--r-md);
  padding: 12px 14px;
  min-width: 158px;
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  isolation: isolate;
  box-shadow:
    0 14px 32px -10px rgba(0, 0, 0, 0.55),
    0 0 32px -8px rgba(77, 245, 255, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  animation: modFloat 8s ease-in-out infinite alternate;
}
.mod::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    var(--line-3) 0%,
    transparent 30%,
    transparent 70%,
    var(--electric-dim) 100%);
  -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;
}
.mod__label {
  display: block;
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t-lo);
  margin-bottom: 6px;
}
.mod__value {
  display: block;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--t-hi);
  margin-bottom: 8px;
}
.mod__bar {
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 2px;
  background: rgba(120, 180, 255, 0.10);
  overflow: hidden;
}
.mod__bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--electric));
  box-shadow: 0 0 12px var(--cyan);
  border-radius: 2px;
  animation: barShimmer 2.4s ease-in-out infinite;
}
@keyframes barShimmer {
  0%, 100% { opacity: 0.9; }
  50%      { opacity: 0.6; }
}

.mod--amber .mod__value { color: var(--amber); }
.mod--amber .mod__bar > span {
  background: linear-gradient(90deg, var(--amber), #ff9466);
  box-shadow: 0 0 12px var(--amber);
}

/* Position modules around the core */
.mod--01 { top: 6%;   left: -4%;  animation-delay: 0s; }
.mod--02 { top: 14%;  right: -6%; animation-delay: -1.5s; }
.mod--03 { bottom: 16%; left: -8%; animation-delay: -3s; }
.mod--04 { bottom: 4%; right: -4%; animation-delay: -4.5s; }

@keyframes modFloat {
  from { transform: translateY(0px); }
  to   { transform: translateY(-10px); }
}
@media (prefers-reduced-motion: reduce) { .mod { animation: none !important; } }
@media (max-width: 1024px) {
  .hero__col-right { min-height: 460px; }
}
@media (max-width: 640px) {
  .mod { min-width: 132px; padding: 10px 12px; }
  .mod__value { font-size: 14px; }
}

/* ============================================================
   07 — Buttons
   ============================================================ */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  background: none;
  color: var(--t-hi);
  overflow: hidden;
  isolation: isolate;
  transition:
    transform 0.3s var(--ease-spring),
    box-shadow 0.35s var(--ease-out),
    border-color 0.3s var(--ease-out),
    color 0.2s var(--ease-out);
}
.btn > span { position: relative; z-index: 2; }
.btn__arrow { transition: transform 0.3s var(--ease-spring); }
.btn:hover .btn__arrow { transform: translateX(5px); }

/* Sheen sweep on hover */
.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    100deg,
    transparent 0%,
    rgba(255, 255, 255, 0.0) 20%,
    rgba(255, 255, 255, 0.14) 50%,
    rgba(255, 255, 255, 0.0) 80%,
    transparent 100%
  );
  transform: skewX(-18deg);
  transition: left 0.75s var(--ease-out);
  z-index: 1;
  pointer-events: none;
}
.btn:hover::before { left: 130%; }

/* Primary */
.btn--primary {
  background: linear-gradient(135deg, rgba(77, 245, 255, 0.18), rgba(90, 169, 255, 0.12));
  border-color: var(--line-3);
  box-shadow:
    0 0 0 1px rgba(77, 245, 255, 0.0),
    0 8px 24px rgba(77, 245, 255, 0.10);
}
.btn--primary:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-dim);
  box-shadow:
    0 0 0 1px var(--cyan-dim),
    0 0 32px rgba(77, 245, 255, 0.30),
    0 14px 40px rgba(90, 169, 255, 0.22);
}

/* Ghost */
.btn--ghost {
  background: var(--glass-lo);
  border-color: var(--line-2);
  color: var(--t-md);
}
.btn--ghost:hover {
  transform: translateY(-2px);
  color: var(--t-hi);
  border-color: var(--line-3);
  box-shadow:
    0 0 0 1px var(--line-3),
    0 0 22px rgba(130, 180, 255, 0.16);
}

.btn--lg { padding: 18px 28px; font-size: 13px; }

@media (prefers-reduced-motion: reduce) {
  .btn:hover, .btn:hover .btn__arrow { transform: none !important; }
  .btn::before { transition: none !important; }
}

/* ============================================================
   08 — Section heads (HUD label + display title + sub)
   ============================================================ */

.shead {
  max-width: var(--maxw);
  margin: 0 auto 64px;
  padding: 0 var(--pad-x);
  position: relative;
}

.shead__rail {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.shead__index {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.shead__rail-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line-3), transparent 70%);
  max-width: 80px;
}
.shead__category {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t-lo);
}

.shead__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(34px, 4.5vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.022em;
  color: var(--t-hi);
  margin: 0 0 20px;
  text-wrap: balance;
}
.shead__title .ital {
  font-style: italic;
  font-weight: 300;
  background: linear-gradient(180deg, var(--t-hi) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

.shead__sub {
  font-family: var(--f-body);
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.65;
  color: var(--t-md);
  max-width: 680px;
  margin: 0;
  letter-spacing: 0.005em;
}

/* ============================================================
   09 — Card primitives (gradient-border glass)
   ============================================================ */

.card {
  position: relative;
  background: linear-gradient(135deg, var(--glass-1), var(--glass-lo) 90%);
  border-radius: var(--r-lg);
  padding: 28px;
  backdrop-filter: blur(10px) saturate(1.15);
  -webkit-backdrop-filter: blur(10px) saturate(1.15);
  isolation: isolate;
  overflow: hidden;
  transition:
    transform 0.4s var(--ease-spring),
    border-color 0.3s var(--ease-out),
    box-shadow 0.4s var(--ease-out),
    background 0.3s var(--ease-out);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    var(--line-3) 0%,
    var(--line-1) 30%,
    var(--line-1) 70%,
    var(--indigo-dim) 100%);
  -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;
  z-index: 1;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 24px 56px -16px rgba(0, 0, 0, 0.65),
    0 0 48px -10px rgba(77, 245, 255, 0.22),
    inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}
.card:hover::before {
  background: linear-gradient(135deg,
    var(--cyan-dim) 0%,
    var(--line-2) 30%,
    var(--line-2) 70%,
    var(--indigo-dim) 100%);
}

.card--feature::before {
  background: linear-gradient(135deg,
    var(--cyan-dim) 0%,
    var(--electric-dim) 50%,
    var(--indigo-dim) 100%);
}
.card--feature:hover {
  box-shadow:
    0 28px 64px -14px rgba(0, 0, 0, 0.70),
    0 0 72px -10px rgba(77, 245, 255, 0.32),
    inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

@media (prefers-reduced-motion: reduce) {
  .card:hover { transform: none !important; }
}

/* ============================================================
   10 — Pain section
   ============================================================ */

.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.pain {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px;
}
.pain__no {
  flex-shrink: 0;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  padding-top: 4px;
  min-width: 44px;
}
.pain__text {
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--t-md);
  margin: 0;
}
.pain__text strong { color: var(--t-hi); font-weight: 500; }

/* ============================================================
   11 — Solution section
   ============================================================ */

.sol-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 960px) {
  .sol-wrap { grid-template-columns: 1fr; }
}

.sol-stack {
  display: grid;
  gap: 14px;
}
.sol-card {
  padding: 24px 26px;
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: start;
  gap: 16px;
}
.sol-card__tag {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding-top: 5px;
}
.sol-card h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--t-hi);
  margin: 0 0 4px;
  line-height: 1.2;
}
.sol-card p {
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--t-md);
  margin: 0;
}

/* Architecture stack panel */
.arch {
  position: relative;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.arch__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed var(--line-2);
  padding-bottom: 14px;
  margin-bottom: 8px;
}
.arch__head h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 18px;
  color: var(--t-hi);
  margin: 0;
  letter-spacing: -0.01em;
}
.arch__head .chip {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line-3);
  color: var(--cyan);
  background: rgba(77, 245, 255, 0.06);
}
.arch__row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(120, 180, 255, 0.06);
}
.arch__row:last-child { border-bottom: none; }
.arch__row .lvl {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--t-lo);
  text-transform: uppercase;
}
.arch__row .name {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 15px;
  color: var(--t-hi);
  letter-spacing: -0.005em;
}
.arch__row .state {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-transform: uppercase;
}
.arch__row .state--amber { color: var(--amber); }

/* ============================================================
   12 — Services / System Modules
   ============================================================ */

.svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  list-style: none;
}
.svc {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 220px;
}
.svc__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.svc__no {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.svc__chip {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t-lo);
  padding: 3px 8px;
  border: 1px solid var(--line-1);
  border-radius: 999px;
}
.svc__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 21px;
  letter-spacing: -0.012em;
  color: var(--t-hi);
  margin: 0;
  line-height: 1.18;
}
.svc__desc {
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--t-md);
  margin: 0;
  flex: 1;
}
.svc__meta {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t-lo);
  padding-top: 12px;
  border-top: 1px dashed var(--line-1);
}

/* ============================================================
   13 — Use Cases
   ============================================================ */

.use-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.use {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 200px;
}
.use__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.use__no {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.use__head h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--t-hi);
  margin: 0;
  line-height: 1.2;
}
.use p {
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--t-md);
  margin: 0;
}

/* ============================================================
   14 — Process (vertical timeline)
   ============================================================ */

.proc {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--pad-x);
  list-style: none;
  display: grid;
  gap: 14px;
}
.proc li {
  position: relative;
  padding: 20px 22px 20px 70px;
  background: linear-gradient(135deg, var(--glass-1), var(--glass-lo) 90%);
  border-radius: var(--r-md);
  isolation: isolate;
}
.proc li::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--line-2), transparent 50%, var(--line-1));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
}
.proc__num {
  position: absolute;
  left: 22px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  width: 32px;
  text-align: left;
}
.proc li h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: -0.008em;
  color: var(--t-hi);
  margin: 0 0 4px;
}
.proc li p {
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--t-md);
  margin: 0;
}

/* ============================================================
   15 — Safety
   ============================================================ */

.safe-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  list-style: none;
}
.safe {
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.safe__label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}
.safe h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--t-hi);
  margin: 0;
}
.safe p {
  font-family: var(--f-body);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--t-md);
  margin: 0;
}

/* ============================================================
   16 — Packages
   ============================================================ */

.pack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.pack {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 380px;
}
.pack__tier {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  align-self: flex-start;
  padding: 4px 9px;
  border: 1px solid var(--line-3);
  border-radius: 999px;
  background: rgba(77, 245, 255, 0.06);
}
.pack__name {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.012em;
  color: var(--t-hi);
  margin: 0;
  line-height: 1.18;
}
.pack__for {
  font-family: var(--f-body);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--t-lo);
  margin: 0;
}
.pack__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 7px;
  flex: 1;
}
.pack__list li {
  font-family: var(--f-body);
  font-size: 13.5px;
  color: var(--t-md);
  padding-left: 16px;
  position: relative;
  line-height: 1.45;
}
.pack__list li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-family: var(--f-mono);
  font-size: 11px;
  top: 1px;
}
.pack__price {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--t-hi);
  padding-top: 14px;
  border-top: 1px dashed var(--line-2);
  font-weight: 500;
}

.pack--feature .pack__tier {
  color: var(--bg-void);
  background: linear-gradient(135deg, var(--cyan), var(--electric));
  border-color: transparent;
  font-weight: 600;
}
.pack--support .pack__tier {
  color: var(--amber);
  border-color: var(--amber-dim);
  background: rgba(255, 184, 107, 0.06);
}

.pack__note {
  max-width: var(--maxw);
  margin: 28px auto 0;
  padding: 0 var(--pad-x);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--t-lo);
  text-align: center;
}

/* ============================================================
   17 — Final CTA card
   ============================================================ */

.section--cta {
  padding-top: clamp(56px, 8vw, 100px);
  padding-bottom: clamp(72px, 10vw, 140px);
}
.cta-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.cta-card {
  position: relative;
  padding: clamp(40px, 6vw, 64px);
  background: linear-gradient(135deg, var(--glass-2), var(--glass-1));
  border-radius: var(--r-xl);
  isolation: isolate;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    var(--cyan-dim) 0%,
    var(--electric-dim) 50%,
    var(--indigo-dim) 100%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
}
.cta-card::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -50px;
  background:
    radial-gradient(circle at 30% 20%, rgba(77, 245, 255, 0.18), transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(139, 107, 255, 0.16), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}

.cta-card__index {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 22px;
  display: block;
}
.cta-card__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 1.06;
  letter-spacing: -0.018em;
  color: var(--t-hi);
  margin: 0 0 18px;
  text-wrap: balance;
}
.cta-card__title .ital {
  font-style: italic;
  font-weight: 300;
  background: linear-gradient(180deg, var(--t-hi), var(--cyan));
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cta-card__sub {
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--t-md);
  margin: 0 0 32px;
  max-width: 620px;
}

.cta-card__output {
  margin-top: 32px;
  background: var(--bg-obsidian);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  overflow: hidden;
}
.draft-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--line-1);
}
.draft-head__label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.draft-head__chip {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 3px 8px;
  border: 1px solid var(--amber-dim);
  border-radius: 999px;
  background: rgba(255, 184, 107, 0.06);
}
.draft-body {
  font-family: var(--f-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--t-md);
  margin: 0;
  padding: 20px 22px;
  white-space: pre-wrap;
  overflow-x: auto;
}
.draft-foot {
  margin: 0;
  padding: 10px 18px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--t-lo);
  border-top: 1px solid var(--line-1);
  background: rgba(255, 255, 255, 0.02);
}

/* ============================================================
   18 — Footer
   ============================================================ */

.foot {
  border-top: 1px solid var(--line-1);
  padding: 32px 0 56px;
  background: var(--bg-obsidian);
}
.foot__row {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px var(--pad-x);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: center;
  justify-content: space-between;
}
.foot__brand {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 16px;
  color: var(--t-hi);
  letter-spacing: -0.01em;
}
.foot__meta {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--t-lo);
  text-transform: uppercase;
}
.foot__row--small .foot__meta { font-size: 10px; }

/* ============================================================
   19 — Reveal animation hooks (set by IO in script.js)
   ============================================================ */

.is-revealed { opacity: 1 !important; transform: translateY(0) !important; }

/* ============================================================
   20 — Responsive
   ============================================================ */

@media (max-width: 720px) {
  .nav__inner { padding: 12px var(--pad-x); }
  .brand { font-size: 16px; }
  .brand__accent { display: none; }
  .hero__inner { gap: 32px; }
  .hero__sublede { padding-left: 12px; }
  .shead { margin-bottom: 40px; }
  .card { padding: 22px; }
}

/* ============================================================
   21 — v1.3 · 7.1D-PLUS Commercial Copy components
   ============================================================ */

/* Hero target-market callout (under CTAs, above specs) */
.hero__market {
  margin: 4px 0 28px;
  padding: 14px 16px 14px 18px;
  background: linear-gradient(135deg, var(--glass-lo), rgba(10, 16, 30, 0.25));
  border-radius: var(--r-md);
  position: relative;
  isolation: isolate;
  max-width: 580px;
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--t-md);
  letter-spacing: 0.005em;
}
.hero__market::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    var(--line-2) 0%, var(--line-1) 30%, var(--line-1) 70%, var(--cyan-dim) 100%);
  -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;
  z-index: 1;
}
.hero__market strong { color: var(--t-hi); font-weight: 500; }
.hero__market-label {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 7px;
  border: 1px solid var(--line-3);
  border-radius: 4px;
  background: rgba(77, 245, 255, 0.05);
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  vertical-align: 2px;
}

/* Package card — expanded with internal sections */
.pack {
  min-height: auto;
  padding: 30px 28px;
  gap: 16px;
}
.pack__sect {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pack__sect-label {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  position: relative;
  padding-left: 10px;
}
.pack__sect-label::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}
.pack__sect p {
  margin: 0;
  font-family: var(--f-body);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--t-md);
}
.pack__sect .pack__list {
  display: grid;
  gap: 5px;
}

.pack__price-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 6px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-2);
}
.pack__price-label {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t-lo);
}
.pack__price {
  font-family: var(--f-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--t-hi);
  font-weight: 500;
  padding: 0;
  border: none;
}

.pack--feature .pack__sect-label,
.pack--feature .pack__price-row .pack__price {
  /* keep readable on feature card */
}
.pack--support .pack__sect-label {
  color: var(--amber);
}
.pack--support .pack__sect-label::before {
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber);
}

/* Pack note — full callout */
.pack__note {
  max-width: var(--maxw);
  margin: 36px auto 0;
  padding: 0 var(--pad-x);
  text-align: left;
}
.pack__note p {
  margin: 0 auto;
  max-width: 880px;
  padding: 18px 22px;
  background: var(--glass-lo);
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  font-family: var(--f-body);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--t-md);
  letter-spacing: 0.005em;
  text-align: left;
  text-transform: none;
}
.pack__note strong { color: var(--t-hi); font-weight: 500; }
.pack__note-tag {
  display: inline-block;
  margin-right: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 184, 107, 0.10);
  border: 1px solid var(--amber-dim);
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  vertical-align: 1px;
}

/* Differentiation section — three sister units */
.section--diff { padding-top: clamp(48px, 7vw, 80px); padding-bottom: clamp(48px, 7vw, 80px); }
.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.diff {
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 175px;
}
.diff__tag {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--t-lo);
  padding: 4px 9px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--glass-lo);
  align-self: flex-start;
}
.diff__name {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--t-hi);
  margin: 0;
  line-height: 1.2;
}
.diff__desc {
  margin: 0;
  font-family: var(--f-body);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--t-md);
}
.diff--feature .diff__tag {
  background: linear-gradient(135deg, var(--cyan), var(--electric));
  color: var(--bg-void);
  border-color: transparent;
  font-weight: 600;
}

/* CTA buttons row (primary + copy-draft) */
.cta-card__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
#copyDraftBtn[data-state="copied"] {
  border-color: var(--cyan-dim);
  color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan-dim), 0 0 22px rgba(77, 245, 255, 0.20);
}

/* Responsive tweaks */
@media (max-width: 720px) {
  .hero__market { font-size: 13.5px; padding: 12px 14px; }
  .pack { padding: 24px 22px; }
}

/* End of v1.3 commercial copy block */

/* ============================================================
   22 — v1.4 · 7.1F · Use case detail pages
   ============================================================ */

/* ---- Clickable use card on landing ---- */

a.use--link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
a.use--link:hover { color: inherit; }
.use__cta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line-1);
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s var(--ease-out);
}
.use__cta-arrow { transition: transform 0.3s var(--ease-spring); }
a.use--link:hover .use__cta { gap: 12px; }
a.use--link:hover .use__cta-arrow { transform: translateX(4px); }

/* ---- Detail page body adjustments ---- */
body.page-detail { /* shares all base styles */ }

/* ---- Detail hero (smaller than landing hero) ---- */
.detail-hero {
  position: relative;
  padding: clamp(48px, 7vw, 96px) 0 clamp(40px, 6vw, 72px);
}
.detail-hero__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  position: relative;
  z-index: 1;
}
.detail-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -80px; left: -10%;
  width: 70vw; height: 480px;
  background: radial-gradient(ellipse at center,
    rgba(77, 245, 255, 0.14) 0%,
    rgba(90, 169, 255, 0.08) 40%,
    transparent 75%);
  filter: blur(60px);
  animation: heroHalo 16s ease-in-out infinite alternate;
  pointer-events: none;
}

.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
  padding: 7px 14px 7px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--glass-lo);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t-md);
  text-decoration: none;
  transition: all 0.3s var(--ease-out);
}
.detail-back__arrow {
  display: inline-flex;
  width: 18px; height: 18px;
  align-items: center; justify-content: center;
  color: var(--cyan);
  font-size: 14px;
  transition: transform 0.3s var(--ease-spring);
}
.detail-back:hover {
  border-color: var(--line-3);
  color: var(--t-hi);
  box-shadow: 0 0 18px rgba(120, 180, 255, 0.16);
}
.detail-back:hover .detail-back__arrow { transform: translateX(-3px); }

.detail-hero__meta { margin-bottom: 24px; }

.detail-hero__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(38px, 5.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--t-hi);
  margin: 0 0 18px;
  text-wrap: balance;
  text-shadow:
    0 0 32px rgba(77, 245, 255, 0.18),
    0 0 80px rgba(90, 169, 255, 0.08);
}

.detail-hero__tagline {
  font-family: var(--f-body);
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--t-md);
  max-width: 720px;
  margin: 0 0 32px;
}

.detail-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

/* ---- Narrow section variant (used for "Who this is for") ---- */
.section--narrow { padding-top: clamp(48px, 7vw, 90px); padding-bottom: clamp(48px, 7vw, 90px); }

/* ---- Problem list (different from landing pain-grid) ---- */
.prob-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 14px;
}
.prob-li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 22px;
  background: var(--glass-lo);
  border-radius: var(--r-md);
  border: 1px solid var(--line-1);
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--t-md);
}
.prob-li__dot {
  flex-shrink: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px var(--amber);
  margin-top: 7px;
}

/* ---- For-list (target audience) ---- */
.for-list {
  list-style: none;
  padding: 28px 32px;
  margin: 0 auto;
  max-width: 880px;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .for-list { grid-template-columns: 1fr 1fr; } }
.for-li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 6px 0;
  font-family: var(--f-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--t-md);
}
.for-li__check {
  flex-shrink: 0;
  width: 20px; height: 20px;
  display: inline-flex;
  align-items: center; justify-content: center;
  background: rgba(77, 245, 255, 0.10);
  border: 1px solid var(--line-3);
  border-radius: 50%;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--cyan);
  margin-top: 1px;
}

/* ---- Does-list (capabilities, numbered) ---- */
.does-list {
  list-style: none;
  padding: 32px;
  margin: 0 auto;
  max-width: 880px;
  display: grid;
  gap: 16px;
}
.does-li {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 10px 0;
  font-family: var(--f-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--t-md);
  border-bottom: 1px solid rgba(120, 180, 255, 0.06);
}
.does-li:last-child { border-bottom: none; }
.does-li__num {
  flex-shrink: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding-top: 3px;
  min-width: 28px;
}

/* ---- Workflow timeline ---- */
.wf-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.wf {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  position: relative;
}
.wf::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 24px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--line-2), var(--line-2), transparent);
}
.wf-step {
  position: relative;
  display: grid;
  grid-template-columns: 60px 1fr;
  align-items: start;
  gap: 22px;
  padding: 18px 0;
}
.wf-step__code {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  padding: 4px 0;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  background: var(--bg-obsidian);
  border: 1px solid var(--line-3);
  border-radius: 999px;
  text-align: center;
}
.wf-step__body { padding-top: 2px; }
.wf-step__body h4 {
  margin: 0 0 4px;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: -0.008em;
  color: var(--t-hi);
  line-height: 1.25;
}
.wf-step__body p {
  margin: 0;
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--t-md);
}

/* ---- Mockup panel (the system preview) ---- */
.mk {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
}
.mk__chrome {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: linear-gradient(180deg, rgba(28, 42, 70, 0.65), rgba(14, 22, 42, 0.85));
  border-bottom: 1px solid var(--line-2);
}
.mk__dots {
  display: inline-flex;
  gap: 6px;
}
.mk__dots span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(130, 180, 255, 0.20);
}
.mk__dots span:nth-child(1) { background: rgba(255, 130, 130, 0.55); }
.mk__dots span:nth-child(2) { background: rgba(255, 200, 100, 0.55); }
.mk__dots span:nth-child(3) { background: rgba(120, 220, 130, 0.55); }
.mk__chrome-label {
  flex: 1;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t-lo);
}
.mk__chrome-state {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 3px 8px;
  border: 1px solid var(--line-3);
  border-radius: 999px;
  background: rgba(77, 245, 255, 0.05);
}

.mk__body {
  padding: 22px 24px 24px;
  display: grid;
  gap: 18px;
}

.mk__cmd {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--bg-obsidian);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  font-family: var(--f-mono);
  font-size: 13.5px;
  color: var(--t-hi);
}
.mk__cmd-prompt { color: var(--cyan); font-weight: 600; }
.mk__cmd-text { flex: 1; }
.mk__cmd-cursor {
  color: var(--cyan);
  animation: cursorBlink 1.1s steps(2) infinite;
}
@keyframes cursorBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .mk__cmd-cursor { animation: none; } }

.mk__statgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}
.mk-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: linear-gradient(135deg, var(--glass-1), var(--glass-lo));
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  position: relative;
  isolation: isolate;
}
.mk-stat::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--line-2), transparent 60%);
  -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;
  z-index: 1;
}
.mk-stat__label {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t-lo);
}
.mk-stat__value {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--t-hi);
}
.mk-stat__meta {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--t-lo);
}
.mk-stat--amber .mk-stat__value { color: var(--amber); }
.mk-stat--amber .mk-stat__meta { color: var(--amber); }

.mk__split {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 960px) { .mk__split { grid-template-columns: 1.2fr 1fr; } }

.mk__draft, .mk__queue, .mk__report {
  background: var(--bg-obsidian);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  overflow: hidden;
}

.mk__panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--line-1);
}
.mk__panel-label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.mk__panel-chip {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 3px 8px;
  border: 1px solid var(--amber-dim);
  border-radius: 999px;
  background: rgba(255, 184, 107, 0.06);
}
.mk__panel-chip--cyan {
  color: var(--cyan);
  border-color: var(--line-3);
  background: rgba(77, 245, 255, 0.06);
}

.mk__draft-body {
  font-family: var(--f-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--t-md);
  margin: 0;
  padding: 18px 20px;
  white-space: pre-wrap;
  overflow-x: auto;
}

.mk__queue-list {
  list-style: none;
  margin: 0;
  padding: 6px 8px;
}
.mk__queue__row,
.mk-queue__row {
  display: grid;
  grid-template-columns: 78px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(120, 180, 255, 0.06);
  font-family: var(--f-mono);
  font-size: 11.5px;
}
.mk-queue__row:last-child { border-bottom: none; }
.mk-queue__state {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 999px;
  border: 1px solid;
  text-align: center;
}
.mk-queue__row--pending .mk-queue__state {
  color: var(--amber);
  border-color: var(--amber-dim);
  background: rgba(255, 184, 107, 0.08);
}
.mk-queue__row--approved .mk-queue__state {
  color: var(--cyan);
  border-color: var(--line-3);
  background: rgba(77, 245, 255, 0.07);
}
.mk-queue__row--rejected .mk-queue__state {
  color: #ff7a7a;
  border-color: rgba(255, 122, 122, 0.4);
  background: rgba(255, 122, 122, 0.08);
}
.mk-queue__title {
  color: var(--t-hi);
  font-size: 12.5px;
  letter-spacing: 0;
  text-transform: none;
}
.mk-queue__meta {
  color: var(--t-lo);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.mk__report-body { padding: 14px 18px; }
.mk__report .mk__report-body { /* anchor */ }
.mk-report__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: baseline;
  gap: 18px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(120, 180, 255, 0.08);
}
.mk-report__row:last-child { border-bottom: none; }
.mk-report__label {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t-lo);
}
.mk-report__value {
  font-family: var(--f-body);
  font-size: 13.5px;
  color: var(--t-hi);
  line-height: 1.5;
}

@media (max-width: 720px) {
  .mk__body { padding: 16px 14px 18px; }
  .mk__cmd { font-size: 12px; padding: 12px 14px; }
  .mk-queue__row { grid-template-columns: 68px 1fr; row-gap: 4px; }
  .mk-queue__meta { grid-column: 2; }
  .mk-report__row { grid-template-columns: 1fr; gap: 4px; }
}

/* ---- Deliverables ---- */
.deliv-grid {
  list-style: none;
  padding: 0 var(--pad-x);
  margin: 0 auto;
  max-width: var(--maxw);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.deliv {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 22px 24px;
}
.deliv__no {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding-top: 3px;
}
.deliv p {
  margin: 0;
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--t-md);
}

/* ---- Suggested package card ---- */
.psug-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .psug-wrap { grid-template-columns: 1fr 1fr; }
  .psug-wrap > .psug:only-child { grid-column: 1 / -1; max-width: 720px; margin: 0 auto; }
}
.psug {
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.psug__tier {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  align-self: flex-start;
  padding: 5px 10px;
  border: 1px solid var(--line-3);
  border-radius: 999px;
  background: rgba(77, 245, 255, 0.06);
}
.psug--primary .psug__tier {
  background: linear-gradient(135deg, var(--cyan), var(--electric));
  color: var(--bg-void);
  border-color: transparent;
  font-weight: 600;
}
.psug__name {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 24px;
  letter-spacing: -0.012em;
  color: var(--t-hi);
  margin: 0;
  line-height: 1.18;
}
.psug__rationale {
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--t-md);
  margin: 0;
  flex: 1;
}
.psug__price-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-2);
}
.psug__price-label {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t-lo);
}
.psug__price {
  font-family: var(--f-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--t-hi);
  font-weight: 500;
}

/* End of v1.4 detail-pages block */