/* ============================================================
   AO Studio Tools — Design System v2
   Brand: Deep Navy · Rich Blue · Slate · Clean Light
   Font: Inter (system fallback stack)
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  /* Primary palette */
  --navy:        #0d1422;
  --navy-deep:   #0b1220;
  --navy-mid:    #111929;
  --navy-panel:  #131d30;

  /* Accent */
  --blue:        #3d7bff;
  --blue-light:  #5a90ff;
  --blue-dim:    rgba(61, 123, 255, .12);
  --blue-glow:   rgba(61, 123, 255, .18);

  /* Text */
  --fg:          #dde7fa;
  --fg-dim:      #8b97ae;
  --fg-muted:    #6f7c95;

  /* Borders */
  --border:      rgba(255,255,255,.07);
  --border-mid:  rgba(255,255,255,.05);

  /* Animated bg orbs */
  --x1: 68%; --y1: 12%;
  --x2: 32%; --y2: 88%;

  /* Spacing */
  --wrap: 1160px;
  --r-lg: 18px;
  --r-md: 12px;
  --r-sm: 8px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { height: 100%; }

body {
  font-family: Inter, 'Segoe UI', system-ui, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--navy-deep);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: var(--blue-light); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ── Aurora Canvas Background ──────────────────────────────── */
#ao-aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  width: 100%;
  height: 100%;
  /* CSS blur on top of the upscale-blur from JS = very soft glow */
  filter: blur(10px) saturate(1.15);
  transform: translateZ(0); /* GPU layer */
}

/* Dot grid — sits above aurora, below all content */
#ao-dotgrid {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(circle, rgba(0,0,0,0.20) 2px, transparent 2px);
  background-size: 4px 4px;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 40%, transparent 100%);
}

/* ── Layout ─────────────────────────────────────────────────── */
.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}

/* Lift all main content above the dot grid */
.ao-header, .ao-footer {
  position: relative;
  z-index: 2;
}

/* ── Header ─────────────────────────────────────────────────── */
.ao-header {
  position: sticky; top: 0; z-index: 500;
  backdrop-filter: saturate(160%) blur(14px);
  background: linear-gradient(to bottom, rgba(11,18,32,.82), rgba(11,18,32,.04));
  border-bottom: 1px solid var(--border-mid);
}

.ao-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
}

.ao-brand {
  display: flex; align-items: center; gap: 11px;
  color: var(--fg); font-weight: 700; font-size: 15px;
  letter-spacing: .3px;
}

.ao-brand:hover { text-decoration: none; }

.ao-monogram {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #1a2d52, #0f1d3a);
  border: 1px solid rgba(61,123,255,.35);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; letter-spacing: -.5px;
  color: #5a90ff;
  box-shadow: 0 2px 12px rgba(46,107,255,.18);
  flex-shrink: 0;
}

.ao-nav {
  display: flex; align-items: center; gap: 10px;
}

.ao-nav a {
  padding: 8px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--fg-dim);
  font-size: 13px; font-weight: 500;
  transition: all .14s ease;
  white-space: nowrap;
}

.ao-nav a:hover {
  border-color: rgba(61,123,255,.35);
  color: var(--fg);
  background: rgba(61,123,255,.06);
  text-decoration: none;
}

.ao-nav a.cta {
  background: var(--blue-dim);
  border-color: rgba(61,123,255,.3);
  color: var(--blue-light);
}

.ao-nav a.cta:hover {
  background: rgba(61,123,255,.2);
  border-color: rgba(61,123,255,.5);
  box-shadow: 0 4px 14px var(--blue-glow);
}


.ao-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(61,123,255,.28);
  background: rgba(61,123,255,.08);
  font-size: 12px; font-weight: 600; letter-spacing: .6px;
  color: var(--blue-light); text-transform: uppercase;
  margin-bottom: 24px;
}

h1 {
  font-size: clamp(38px, 5.5vw, 62px);
  line-height: 1.04;
  letter-spacing: -.8px;
  font-weight: 800;
  color: #eaf1ff;
  margin-bottom: 20px;
}

/* ── Hero Tagline (rolling claims) ─────────────────────────── */
.ao-hero-tagline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 10px;
  margin-bottom: 24px;
  line-height: 1.2;
}

.ao-tagline-static {
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--blue-light);
  white-space: nowrap;
}

/* Scroll container — clips to one line */
.ao-tagline-scroll {
  position: relative;
  overflow: hidden;
  height: clamp(24px, 3vw, 34px);
  display: flex;
  align-items: center;
}

.ao-tagline-item {
  position: absolute;
  left: 0;
  top: 0;
  white-space: nowrap;
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--blue-light);
  opacity: 0;
  transform: translateY(110%);
  transition:
    opacity .45s cubic-bezier(.4,0,.2,1),
    transform .45s cubic-bezier(.4,0,.2,1);
  line-height: clamp(24px, 3vw, 34px);
}

.ao-tagline-item.active {
  opacity: 1;
  transform: translateY(0);
}

.ao-tagline-item.exit {
  opacity: 0;
  transform: translateY(-110%);
}

.ao-hero-claim {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--fg-dim);
  margin-bottom: 28px;
  max-width: 480px;
  line-height: 1.65;
}

.ao-hero-cta {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 32px;
}

.ao-hero-note {
  font-size: 12px;
  color: var(--fg-muted);
}

/* Hero visual */
.ao-hero-visual {
  position: relative;
}

.ao-hero-img-wrap {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--navy-mid);
}

.ao-hero-img-wrap img {
  width: 100%; height: auto;
  display: block;
}

/* Organic breathing animation with 3D tilt */
@keyframes heroBreath {
  0%, 100% {
    transform: perspective(1200px) rotateX(3.6deg) rotateY(-5deg) scale(1.1);
  }
  50% {
    transform: perspective(1200px) rotateX(3.6deg) rotateY(-11deg) scale(1.1);
  }
}

/* Tilt card wrapper */
.ao-tilt-card {
  border-radius: var(--r-lg);
  box-shadow: 0 24px 64px rgba(0,0,0,.55), 0 0 80px rgba(46,107,255,.12);
  transition: box-shadow .3s ease;
}

.ao-tilt-card .ao-hero-img-wrap {
  animation: heroBreath 8s ease-in-out infinite;
  transform-origin: center center;
}

.ao-tilt-card:hover {
  box-shadow: 0 32px 80px rgba(0,0,0,.6), 0 0 100px rgba(46,107,255,.18);
}

/* Specular gloss layer */
.ao-gloss {
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s ease;
  /* gradient updated live via JS */
  background: radial-gradient(
    circle at 50% 50%,
    rgba(255,255,255,0.07) 0%,
    rgba(255,255,255,0.02) 40%,
    transparent 70%
  );
  mix-blend-mode: screen;
}

.ao-tilt-card:hover .ao-gloss {
  opacity: 1;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--fg);
  font-size: 14px; font-weight: 600; letter-spacing: .15px;
  cursor: pointer;
  transition: all .15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.07);
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
  text-decoration: none;
}

.btn.primary {
  background: linear-gradient(135deg, #3d7bff, #2e6bff);
  border-color: rgba(61,123,255,.5);
  color: #ffffff;
}

.btn.primary:hover {
  background: linear-gradient(135deg, #5a90ff, #3d7bff);
  border-color: rgba(61,123,255,.7);
  box-shadow: 0 8px 24px rgba(46,107,255,.3);
  color: #ffffff;
}

.btn.ghost {
  background: transparent;
  border-color: rgba(255,255,255,.1);
  color: var(--fg-dim);
}

.btn.ghost:hover {
  border-color: rgba(255,255,255,.2);
  color: var(--fg);
  background: rgba(255,255,255,.04);
}

/* ── Value Strip ────────────────────────────────────────────── */
.ao-value-strip {
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,.018);
  backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
  padding: 32px 24px;
}

.ao-value-strip .ao-gloss {
  border-radius: 0;
}

.ao-value-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 32px;
}

.ao-value-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--fg-dim);
  letter-spacing: .1px;
}

.ao-value-item svg {
  color: var(--blue); flex-shrink: 0;
}

.ao-value-dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}

/* ── Section base ───────────────────────────────────────────── */
.ao-section {
  padding: 80px 24px;
  max-width: var(--wrap);
  margin-inline: auto;
}

.ao-section-label {
  font-size: 11px; font-weight: 700; letter-spacing: 1.2px;
  color: var(--blue); text-transform: uppercase;
  margin-bottom: 12px;
}

.ao-section-title {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 800; line-height: 1.1; letter-spacing: -.4px;
  color: #eaf1ff;
  margin-bottom: 14px;
}

.ao-section-sub {
  font-size: 16px; color: var(--fg-dim); line-height: 1.7;
  max-width: 560px;
}

.ao-section-sub.wide { max-width: 720px; }

/* ── Intro Section ──────────────────────────────────────────── */
.ao-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.ao-intro-text { }

.ao-intro-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.ao-pillar {
  padding: 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(20,30,50,.6), rgba(13,20,34,.5));
  backdrop-filter: blur(8px);
  transition: border-color .15s ease;
}

.ao-pillar:hover { border-color: rgba(61,123,255,.25); }

.ao-pillar-icon {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  background: var(--blue-dim);
  border: 1px solid rgba(61,123,255,.2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
  color: var(--blue-light);
}

.ao-pillar h4 {
  font-size: 14px; font-weight: 700; color: var(--fg);
  margin-bottom: 4px;
}

.ao-pillar p {
  font-size: 12px; color: var(--fg-muted); line-height: 1.55;
}

/* ── Tools Grid ─────────────────────────────────────────────── */
.ao-tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.ao-tool-card {
  padding: 28px 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(17,25,41,.7), rgba(11,17,30,.6));
  backdrop-filter: blur(10px);
  transition: all .18s ease;
  cursor: default;
}

.ao-tool-card:hover {
  border-color: rgba(61,123,255,.3);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(0,0,0,.4), 0 0 0 1px rgba(61,123,255,.08);
}

.ao-tool-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(61,123,255,.25);
  background: rgba(61,123,255,.08);
  font-size: 11px; font-weight: 600; letter-spacing: .4px;
  color: var(--blue-light);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.ao-tool-card h3 {
  font-size: 18px; font-weight: 700; color: #eaf1ff;
  margin-bottom: 10px;
}

.ao-tool-card p {
  font-size: 13px; color: var(--fg-dim); line-height: 1.6;
  margin-bottom: 18px;
}

.ao-tool-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600;
  color: var(--blue-light); letter-spacing: .2px;
}

.ao-tool-link:hover { text-decoration: none; color: #a8ccff; }

/* ── Why AO ─────────────────────────────────────────────────── */
.ao-why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.ao-why-card {
  padding: 26px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.025);
  transition: border-color .15s;
}

.ao-why-card:hover { border-color: rgba(61,123,255,.22); }

.ao-why-num {
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  color: rgba(61,123,255,.55); text-transform: uppercase;
  margin-bottom: 12px;
}

.ao-why-card h4 {
  font-size: 15px; font-weight: 700; color: var(--fg);
  margin-bottom: 8px;
  line-height: 1.3;
}

.ao-why-card p {
  font-size: 13px; color: var(--fg-muted); line-height: 1.6;
}

/* ── Audience Section ───────────────────────────────────────── */
.ao-audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.ao-audience-card {
  padding: 32px 28px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(17,25,41,.65), rgba(11,17,30,.55));
  backdrop-filter: blur(10px);
  transition: all .18s ease;
}

.ao-audience-card:hover {
  border-color: rgba(61,123,255,.25);
  box-shadow: 0 8px 28px rgba(0,0,0,.35);
}

.ao-audience-card .tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 11px; font-weight: 600; letter-spacing: .5px;
  color: var(--fg-muted); text-transform: uppercase;
  margin-bottom: 18px;
}

.ao-audience-card h3 {
  font-size: 20px; font-weight: 800; color: #eaf1ff;
  margin-bottom: 6px; letter-spacing: -.2px;
}

.ao-audience-card .subtitle {
  font-size: 13px; font-weight: 600; color: var(--blue-light);
  margin-bottom: 14px;
}

.ao-audience-card p {
  font-size: 13px; color: var(--fg-dim); line-height: 1.65;
}

/* ── Code blocks (for inline code) ────────────────────────── */
code {
  background: rgba(255,255,255,.05);
  padding: 3px 7px;
  border-radius: 5px;
  border: 1px solid var(--border);
  font-size: .9em;
  font-family: 'Monaco', 'Courier New', monospace;
  color: #a8ccff;
}

/* ── Hub Section ────────────────────────────────────────────── */
.ao-hub-section {
  padding: 80px 24px;
  border-top: 1px solid var(--border-mid);
  border-bottom: 1px solid var(--border-mid);
  background: linear-gradient(180deg, transparent, rgba(46,107,255,.04), transparent);
}

.ao-hub-inner {
  max-width: var(--wrap);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.ao-hub-steps {
  display: flex; flex-direction: column; gap: 20px;
  margin-top: 32px;
}

.ao-hub-step {
  display: flex; gap: 18px; align-items: flex-start;
}

.ao-step-num {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid rgba(61,123,255,.3);
  background: rgba(61,123,255,.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: var(--blue-light);
  flex-shrink: 0; margin-top: 2px;
}

.ao-hub-step h4 {
  font-size: 14px; font-weight: 700; color: var(--fg);
  margin-bottom: 3px;
}

.ao-hub-step p {
  font-size: 13px; color: var(--fg-muted); line-height: 1.55;
}

/* Hub visual / card */
.ao-hub-visual {
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(17,25,42,.9), rgba(10,15,26,.95));
  padding: 32px;
  box-shadow: 0 24px 64px rgba(0,0,0,.5), 0 0 0 1px rgba(61,123,255,.06);
}

.ao-hub-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
}

.ao-hub-logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, #1a2d52, #0f1d3a);
  border: 1px solid rgba(61,123,255,.4);
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 800; letter-spacing: -.5px;
  color: #5a90ff;
  box-shadow: 0 4px 16px rgba(46,107,255,.22);
}

.ao-hub-logo-text strong {
  display: block; font-size: 15px; font-weight: 700; color: var(--fg);
}

.ao-hub-logo-text span {
  font-size: 12px; color: var(--fg-muted);
}

.ao-hub-features {
  display: flex; flex-direction: column; gap: 14px;
  margin-bottom: 28px;
}

.ao-hub-feat {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--fg-dim);
}

.ao-hub-feat-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue); flex-shrink: 0;
  opacity: .7;
}

.ao-hub-feat strong { color: var(--fg); }

.ao-hub-compat {
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-mid);
  background: rgba(255,255,255,.022);
  font-size: 12px; color: var(--fg-muted);
  line-height: 1.6;
}

/* ── Download Section ───────────────────────────────────────── */
.ao-download-section {
  padding: 80px 24px;
  max-width: var(--wrap);
  margin-inline: auto;
}

.ao-download-panel {
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(17,25,42,.8), rgba(10,15,26,.9));
  overflow: hidden;
  max-width: 680px;
  margin: 40px auto 0;
}

.ao-dl-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-mid);
}

.ao-dl-head strong { font-size: 14px; font-weight: 700; color: var(--fg); }

.ao-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(61,123,255,.22);
  background: rgba(61,123,255,.07);
  font-size: 11px; font-weight: 600; letter-spacing: .3px;
  color: var(--blue-light);
}

.ao-dl-body {
  padding: 20px;
}

.ao-dl-body p {
  font-size: 13px; color: var(--fg-dim); line-height: 1.65; margin-bottom: 16px;
}



/* ── Final CTA ──────────────────────────────────────────────── */
.ao-final-cta {
  padding: 100px 24px 80px;
  text-align: center;
  border-top: 1px solid var(--border-mid);
  background: linear-gradient(180deg, transparent, rgba(46,107,255,.03), transparent);
}

.ao-final-cta .ao-section-title { margin: 0 auto 10px; }
.ao-final-cta .ao-section-sub { margin: 0 auto 36px; text-align: center; }
.ao-final-cta .ao-hero-cta { justify-content: center; }

.ao-final-claim {
  font-size: 12px; font-weight: 600; letter-spacing: 1.2px;
  color: var(--fg-muted); text-transform: uppercase;
  margin-bottom: 24px;
}

/* ── Divider ────────────────────────────────────────────────── */
.ao-divider {
  border: none;
  margin: 0;
}

/* ── Toast ──────────────────────────────────────────────────── */
#ao-toast {
  position: fixed; right: 20px; bottom: 24px; z-index: 200;
  padding: 13px 18px;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(17,25,42,.95), rgba(11,17,30,.95));
  backdrop-filter: blur(14px);
  color: var(--fg); font-size: 14px; font-weight: 600;
  box-shadow: 0 10px 32px rgba(0,0,0,.5);
  opacity: 0; transform: translateY(8px) scale(.98);
  transition: opacity .16s ease, transform .16s ease;
  pointer-events: none;
}
#ao-toast.show { opacity: 1; transform: translateY(0) scale(1); }

/* ── Footer ─────────────────────────────────────────────────── */
.ao-footer {
  padding: 32px 24px 48px;
  border-top: 1px solid var(--border-mid);
  color: var(--fg-muted); font-size: 13px; text-align: center;
}

.ao-footer a { color: var(--fg-dim); }
.ao-footer a:hover { color: var(--fg); }

.ao-footer-nav {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 4px 16px;
  margin-top: 8px;
}

.ao-footer-nav .sep { opacity: .3; }

/* ── Changelog ──────────────────────────────────────────────── */
.ao-changelog {
  display: flex; flex-direction: column; gap: 18px;
}

.ao-log-entry strong { color: var(--fg); font-size: 14px; }
.ao-log-entry ul {
  margin: 6px 0 0 18px;
  list-style: disc;
}
.ao-log-entry li { font-size: 13px; color: var(--fg-muted); line-height: 1.6; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1020px) {
  .ao-why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .ao-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .ao-tools-grid { grid-template-columns: 1fr 1fr; }

  .ao-audience-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-inline: auto;
  }

  .ao-hub-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .ao-tools-grid { grid-template-columns: 1fr; }
  .ao-why-grid   { grid-template-columns: 1fr; }
  .ao-intro-pillars { grid-template-columns: 1fr; }

  .ao-nav a:not(.cta) { display: none; }

  .ao-value-strip .wrap { flex-direction: column; gap: 12px; }
  .ao-value-dot { display: none; }

  h1 { font-size: 34px; }
}

@media (max-width: 480px) {
  .wrap { padding-inline: 16px; }
  .ao-section { padding-inline: 16px; }
}

/* ── Utility ─────────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

code {
  background: rgba(255,255,255,.07);
  padding: 2px 6px; border-radius: 5px;
  border: 1px solid var(--border);
  font-size: .9em;
}