/* ============================================================
   ATLAS — agent governance graph (a Viradev product)
   Dark, dense, precise. Linear / Height / Vercel tier.
   Distinct design system from the Viradev corporate site.
   ============================================================ */

:root {
  /* Surfaces */
  --bg-0: #0c0d10;
  --bg-1: #131419;
  --bg-2: #1b1d24;
  --bg-3: #23262f;

  /* Foreground */
  --fg-0: #e8eaf0;
  --fg-1: #c4cad6;
  --fg-2: #9aa3b2;
  --fg-3: rgba(154,163,178,0.16);   /* hairline borders + edges */
  --fg-4: rgba(154,163,178,0.08);

  /* Accents (mirror the graph legend) */
  --accent: #5b9dff;   /* primary action · decisions · HOW */
  --accent-2: #7db4ff;
  --violet: #a78bfa;   /* objectives · WHY */
  --green:  #3ecf8e;   /* stories · success */
  --amber:  #f5b94a;   /* TDDs · designs */
  --red:    #ff6b6b;   /* agents · WHO */
  --teal:   #2dd4bf;   /* services · WHAT */
  --slate:  #94a3b8;   /* tickets */

  --accent-glow: rgba(91,157,255,0.35);

  /* Type */
  --f-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --maxw: 1200px;
  --gut: 32px;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg-0);
  color: var(--fg-2);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: rgba(91,157,255,0.3); color: #fff; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  color: var(--fg-0);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }
.section { padding: 110px 0; position: relative; }
.section-tight { padding: 76px 0; }

/* ---- shared bits ---- */
.eyebrow {
  font-family: var(--f-mono);
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 9px;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--accent); opacity: 0.6; }
.eyebrow.plain::before { display: none; }

.section-head { max-width: 760px; }
.section-head h2 { font-size: clamp(30px, 4vw, 48px); margin-top: 18px; }
.section-head p.sub { font-size: 18px; color: var(--fg-2); margin-top: 18px; max-width: 640px; }

.mono-note { font-family: var(--f-mono); font-size: 13px; color: var(--fg-2); letter-spacing: 0.01em; }

/* Buttons */
.btn {
  font-family: var(--f-body);
  font-size: 15px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 20px; border-radius: 8px;
  border: 1px solid transparent; cursor: pointer;
  transition: background .18s, border-color .18s, color .18s, transform .18s, box-shadow .18s;
  white-space: nowrap;
}
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(3px); }
.btn-primary { background: var(--accent); color: #07101f; font-weight: 600; }
.btn-primary:hover { background: var(--accent-2); box-shadow: 0 0 0 4px rgba(91,157,255,0.16); }
.btn-ghost { background: var(--bg-2); color: var(--fg-0); border-color: var(--fg-3); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-quiet { background: transparent; color: var(--fg-1); border-color: var(--fg-3); }
.btn-quiet:hover { border-color: var(--fg-2); color: var(--fg-0); }

/* Pills */
.pill { display: inline-flex; align-items: center; gap: 7px; font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.04em; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--fg-3); color: var(--fg-1); background: var(--bg-2); }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--fg-2); }
.tag-p0 { color: #ffb4b4; border-color: rgba(255,107,107,0.3); } .tag-p0 .dot { background: var(--red); }
.tag-p1 { color: #d7c4ff; border-color: rgba(167,139,250,0.3); } .tag-p1 .dot { background: var(--violet); }
.tag-p2 { color: #b9c2d2; } .tag-p2 .dot { background: var(--slate); }

/* Mono ID chip */
.idchip { font-family: var(--f-mono); font-size: 12px; color: var(--accent); background: rgba(91,157,255,0.08); border: 1px solid rgba(91,157,255,0.2); border-radius: 5px; padding: 3px 8px; }

/* Card base */
.card { background: var(--bg-1); border: 1px solid var(--fg-3); border-radius: var(--radius); }

/* Grain / glow helpers */
.glow { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; opacity: 0.5; }

/* Reveal */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   NAV
   ============================================================ */
.anav { position: sticky; top: 0; z-index: 60; background: rgba(12,13,16,0.72); backdrop-filter: blur(14px) saturate(1.3); border-bottom: 1px solid var(--fg-3); }
.anav-inner { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.alogo { display: inline-flex; align-items: center; gap: 11px; }
.alogo svg { width: 30px; height: 30px; flex: none; }
.alogo .lw { display: flex; flex-direction: column; line-height: 1; gap: 3px; }
.alogo .lw b { font-family: var(--f-display); font-weight: 600; font-size: 19px; letter-spacing: -0.01em; color: var(--fg-0); }
.alogo .lw span { font-family: var(--f-mono); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-2); }
.anav-links { display: flex; align-items: center; gap: 4px; }
.anav-links a { font-size: 14px; color: var(--fg-2); padding: 8px 13px; border-radius: 7px; transition: color .15s, background .15s; }
.anav-links a:hover { color: var(--fg-0); background: var(--bg-2); }
.anav-right { display: flex; align-items: center; gap: 12px; }
.anav-back { font-family: var(--f-mono); font-size: 11.5px; color: var(--fg-2); letter-spacing: 0.04em; padding: 6px 10px; border-radius: 6px; border: 1px solid var(--fg-3); transition: color .15s, border-color .15s; }
.anav-back:hover { color: var(--accent); border-color: var(--accent); }
.aburger { display: none; width: 40px; height: 40px; border: 1px solid var(--fg-3); background: transparent; border-radius: 8px; cursor: pointer; position: relative; padding: 0; }
.aburger span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--fg-0); transition: transform .25s, opacity .2s; }
.aburger span:nth-child(1) { top: 14px; } .aburger span:nth-child(2) { bottom: 14px; }
body.menu-open .aburger span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.menu-open .aburger span:nth-child(2) { transform: translateY(-5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.ahero { position: relative; overflow: hidden; border-bottom: 1px solid var(--fg-3); }
.ahero .glow { width: 620px; height: 620px; background: var(--accent); top: -260px; right: -120px; opacity: 0.18; }
.ahero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 84px var(--gut) 88px; }
.ahero h1 { font-size: clamp(38px, 5vw, 66px); line-height: 1.02; letter-spacing: -0.03em; }
.ahero h1 .hl { color: var(--accent); }
.ahero .lead { font-size: clamp(17px, 1.7vw, 20px); color: var(--fg-1); margin-top: 24px; max-width: 540px; }
.ahero-cta { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.ahero-micro { margin-top: 28px; font-family: var(--f-mono); font-size: 12.5px; color: var(--fg-2); letter-spacing: 0.02em; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ahero-micro b { color: var(--accent); font-weight: 500; }
.ahero-micro .sep { color: var(--fg-3); }

/* Graph panel (framed dashboard look) */
.gpanel { position: relative; background: var(--bg-1); border: 1px solid var(--fg-3); border-radius: 14px; overflow: hidden; box-shadow: 0 40px 100px -40px rgba(0,0,0,0.8); }
.gpanel-bar { display: flex; align-items: center; justify-content: space-between; padding: 11px 16px; border-bottom: 1px solid var(--fg-3); background: var(--bg-1); }
.gpanel-bar .t { font-family: var(--f-mono); font-size: 11.5px; color: var(--fg-2); letter-spacing: 0.04em; }
.gpanel-bar .dots { display: flex; gap: 6px; }
.gpanel-bar .dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--bg-3); display: block; }
.gpanel-bar .dots i:first-child { background: var(--accent); }
.gpanel .graph-host { width: 100%; height: 440px; position: relative; }

/* ============================================================
   GRAPH (shared host + legend + controls)
   ============================================================ */
.graph-host { position: relative; width: 100%; }
.graph-host canvas { display: block; }
.graph-empty { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--f-mono); font-size: 13px; color: var(--fg-2); }

.glegend { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.glegend .lg { display: inline-flex; align-items: center; gap: 7px; font-family: var(--f-mono); font-size: 12px; color: var(--fg-1); cursor: default; }
.glegend .lg .sw { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.glegend .lg .pl { color: var(--fg-2); font-size: 10px; letter-spacing: 0.08em; }

.gcontrols { display: flex; gap: 6px; flex-wrap: wrap; }
.gcontrols button { font-family: var(--f-mono); font-size: 12px; color: var(--fg-2); background: var(--bg-2); border: 1px solid var(--fg-3); border-radius: 7px; padding: 7px 12px; cursor: pointer; transition: color .15s, border-color .15s, background .15s; }
.gcontrols button:hover { color: var(--fg-0); }
.gcontrols button.active { color: var(--accent); border-color: var(--accent); background: rgba(91,157,255,0.1); }

/* Hover card */
.gcard { position: fixed; z-index: 90; pointer-events: none; max-width: 280px; background: var(--bg-2); border: 1px solid var(--fg-3); border-radius: 9px; padding: 12px 14px; box-shadow: 0 20px 50px -20px rgba(0,0,0,0.85); opacity: 0; transform: translateY(4px); transition: opacity .12s; }
.gcard.show { opacity: 1; transform: none; }
.gcard .gc-type { display: inline-flex; align-items: center; gap: 6px; font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-2); }
.gcard .gc-type .sw { width: 8px; height: 8px; border-radius: 50%; }
.gcard .gc-label { font-family: var(--f-display); font-weight: 600; font-size: 15px; color: var(--fg-0); margin-top: 7px; line-height: 1.25; }
.gcard .gc-sub { font-family: var(--f-mono); font-size: 11.5px; color: var(--fg-2); margin-top: 5px; }
.gcard .gc-meta { display: flex; gap: 6px; margin-top: 9px; flex-wrap: wrap; }

/* Full-bleed money-shot section */
.moneyshot { background: var(--bg-0); border-top: 1px solid var(--fg-3); border-bottom: 1px solid var(--fg-3); position: relative; overflow: hidden; }
.moneyshot .ms-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; padding: 64px 0 28px; }
.moneyshot .ms-head h2 { font-size: clamp(28px, 3.6vw, 44px); max-width: 620px; }
.moneyshot .ms-head .sub { color: var(--fg-2); margin-top: 14px; max-width: 520px; font-size: 16px; }
.ms-stage { position: relative; height: 600px; border-top: 1px solid var(--fg-3); background:
  radial-gradient(ellipse 60% 60% at 50% 45%, rgba(91,157,255,0.06), transparent 70%), var(--bg-0); }
.ms-stage .graph-host { height: 100%; }
.ms-overlay-tl { position: absolute; top: 20px; left: 0; right: 0; }
.ms-bottom { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; padding: 22px 0 60px; }

/* ============================================================
   PROBLEM
   ============================================================ */
.prob-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.prob { background: var(--bg-1); border: 1px solid var(--fg-3); border-radius: var(--radius); padding: 28px 26px; transition: border-color .2s, transform .2s; }
.prob:hover { border-color: rgba(245,185,74,0.4); transform: translateY(-3px); }
.prob .pi { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: rgba(245,185,74,0.12); color: var(--amber); font-family: var(--f-mono); font-size: 15px; }
.prob h3 { font-size: 18px; margin: 18px 0 8px; }
.prob p { font-size: 14.5px; color: var(--fg-2); }
.prob-foot { margin-top: 30px; font-size: 17px; color: var(--fg-1); max-width: 720px; }
.prob-foot b { color: var(--fg-0); font-weight: 600; }

/* ============================================================
   PILLARS (what atlas is)
   ============================================================ */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 52px; }
.pil { background: var(--bg-1); border: 1px solid var(--fg-3); border-radius: var(--radius); padding: 28px 24px; position: relative; overflow: hidden; }
.pil::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--pc, var(--accent)); opacity: 0.8; }
.pil .pk { font-family: var(--f-mono); font-size: 26px; font-weight: 600; color: var(--pc, var(--accent)); letter-spacing: 0.04em; }
.pil .swwrap { display: flex; gap: 6px; margin: 16px 0 14px; }
.pil .swwrap .sw { width: 10px; height: 10px; border-radius: 50%; }
.pil h3 { font-size: 17px; }
.pil .ptype { font-family: var(--f-mono); font-size: 12px; color: var(--fg-2); margin-top: 4px; }
.pil p { font-size: 14px; color: var(--fg-2); margin-top: 12px; }
.ask { margin-top: 30px; font-size: 17px; color: var(--fg-1); max-width: 760px; }
.ask code { font-family: var(--f-mono); font-size: 14px; color: var(--accent); background: rgba(91,157,255,0.08); padding: 2px 7px; border-radius: 5px; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how { background: var(--bg-1); border-top: 1px solid var(--fg-3); border-bottom: 1px solid var(--fg-3); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
.stepc { background: var(--bg-0); border: 1px solid var(--fg-3); border-radius: var(--radius); padding: 30px 26px; position: relative; }
.stepc .sn { font-family: var(--f-mono); font-size: 13px; color: var(--accent); letter-spacing: 0.08em; }
.stepc h3 { font-size: 19px; margin: 14px 0 10px; }
.stepc p { font-size: 14.5px; color: var(--fg-2); }
.how-foot { margin-top: 32px; font-size: 15px; color: var(--fg-2); }
.how-foot b { color: var(--accent); font-weight: 500; font-family: var(--f-mono); font-size: 14px; }

/* ============================================================
   CAPABILITIES
   ============================================================ */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.cap { background: var(--bg-0); border: 1px solid var(--fg-3); border-radius: var(--radius); padding: 28px 26px; transition: background .2s, border-color .2s, transform .2s; }
.cap:hover { background: var(--bg-1); border-color: rgba(91,157,255,0.35); transform: translateY(-3px); }
.cap .ck { font-family: var(--f-mono); font-size: 11.5px; color: var(--accent); letter-spacing: 0.06em; text-transform: lowercase; }
.cap h3 { font-size: 17px; margin: 12px 0 8px; }
.cap p { font-size: 14px; color: var(--fg-2); }

/* ============================================================
   PERSONAS
   ============================================================ */
.persona-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.persona { background: var(--bg-1); border: 1px solid var(--fg-3); border-radius: var(--radius); padding: 30px 26px; }
.persona .pn { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: rgba(91,157,255,0.1); color: var(--accent); font-family: var(--f-mono); font-size: 14px; margin-bottom: 18px; }
.persona h3 { font-size: 18px; margin-bottom: 8px; }
.persona p { font-size: 14.5px; color: var(--fg-2); }

/* ============================================================
   PROOF / STATS
   ============================================================ */
.proof { background: var(--bg-1); border-top: 1px solid var(--fg-3); border-bottom: 1px solid var(--fg-3); }
.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 48px; background: var(--fg-3); border: 1px solid var(--fg-3); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--bg-0); padding: 30px 26px; }
.stat .n { font-family: var(--f-mono); font-weight: 600; font-size: clamp(30px, 3.6vw, 42px); letter-spacing: -0.01em; color: var(--sc, var(--accent)); }
.stat .l { font-size: 13.5px; color: var(--fg-2); margin-top: 8px; }
.proof-cred { margin-top: 26px; font-family: var(--f-mono); font-size: 12.5px; color: var(--fg-2); }

/* ============================================================
   SECURITY
   ============================================================ */
.sec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.sec { background: var(--bg-1); border: 1px solid var(--fg-3); border-radius: var(--radius); padding: 30px 26px; }
.sec .si { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: rgba(62,207,142,0.12); color: var(--green); margin-bottom: 18px; }
.sec h3 { font-size: 18px; margin-bottom: 9px; }
.sec p { font-size: 14.5px; color: var(--fg-2); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { margin-top: 44px; border-top: 1px solid var(--fg-3); max-width: 880px; }
.faq { border-bottom: 1px solid var(--fg-3); }
.faq button.q { width: 100%; text-align: left; background: none; border: 0; cursor: pointer; padding: 24px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-family: var(--f-display); font-weight: 500; font-size: 18px; color: var(--fg-0); }
.faq button.q .ic { flex: none; width: 22px; height: 22px; position: relative; transition: transform .25s; }
.faq button.q .ic::before, .faq button.q .ic::after { content: ""; position: absolute; background: var(--accent); border-radius: 2px; }
.faq button.q .ic::before { top: 10px; left: 2px; right: 2px; height: 2px; }
.faq button.q .ic::after { left: 10px; top: 2px; bottom: 2px; width: 2px; transition: opacity .25s; }
.faq.open button.q .ic::after { opacity: 0; }
.faq .a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq .a p { padding: 0 0 24px; font-size: 15.5px; color: var(--fg-2); max-width: 760px; }
.faq .a p a { color: var(--accent); }

/* ============================================================
   CONTACT / FINAL CTA
   ============================================================ */
.fcta { background: var(--bg-1); border-top: 1px solid var(--fg-3); position: relative; overflow: hidden; }
.fcta .glow { width: 600px; height: 600px; background: var(--accent); left: 50%; transform: translateX(-50%); bottom: -380px; opacity: 0.16; }
.fcta-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.fcta h2 { font-size: clamp(32px, 4vw, 50px); }
.fcta .lead { font-size: 18px; color: var(--fg-1); margin-top: 18px; max-width: 460px; }
.fcta .micro { margin-top: 24px; font-family: var(--f-mono); font-size: 12.5px; color: var(--fg-2); max-width: 420px; line-height: 1.7; }
.form { background: var(--bg-0); border: 1px solid var(--fg-3); border-radius: 14px; padding: 32px; }
.f-field { margin-bottom: 18px; }
.f-field label { display: block; font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-2); margin-bottom: 8px; }
.f-field input, .f-field textarea { width: 100%; font-family: var(--f-body); font-size: 15px; color: var(--fg-0); background: var(--bg-1); border: 1px solid var(--fg-3); border-radius: 8px; padding: 12px 14px; transition: border-color .15s, box-shadow .15s; resize: vertical; }
.f-field input:focus, .f-field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91,157,255,0.14); }
.f-field textarea { min-height: 100px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f-hp { position: absolute; left: -9999px; opacity: 0; }
.f-submit { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.f-note { font-family: var(--f-mono); font-size: 12.5px; color: var(--green); opacity: 0; transition: opacity .3s; }
.f-note.show { opacity: 1; }

/* ============================================================
   FOOTER
   ============================================================ */
.afooter { background: var(--bg-0); border-top: 1px solid var(--fg-3); padding: 56px 0 36px; }
.afooter-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.afooter .desc { max-width: 320px; margin-top: 16px; font-size: 14.5px; color: var(--fg-2); }
.afooter-nav { display: flex; gap: 28px; flex-wrap: wrap; }
.afooter-nav a { font-size: 14px; color: var(--fg-2); transition: color .15s; }
.afooter-nav a:hover { color: var(--accent); }
.afooter-bottom { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--fg-3); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: var(--f-mono); font-size: 12px; color: var(--fg-2); }
.afooter-bottom a:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1000px) {
  :root { --gut: 24px; }
  .section { padding: 80px 0; }
  .ahero-inner { grid-template-columns: 1fr; gap: 40px; padding: 56px var(--gut) 64px; }
  .gpanel .graph-host { height: 380px; }
  .prob-grid, .cap-grid, .persona-grid, .sec-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
  .fcta-inner { grid-template-columns: 1fr; gap: 36px; }
  .ms-stage { height: 480px; }
}
@media (max-width: 720px) {
  .anav-links { display: none; }
  .anav-back { display: none; }
  .aburger { display: block; }
  .anav-links.open { display: flex; flex-direction: column; align-items: stretch; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg-1); border-bottom: 1px solid var(--fg-3); padding: 12px var(--gut) 20px; gap: 2px; }
  .anav-links.open a { padding: 12px 6px; font-size: 16px; }
  .section { padding: 64px 0; }
  .prob-grid, .cap-grid, .persona-grid, .sec-grid, .steps, .pillars, .stat-band { grid-template-columns: 1fr; }
  .f-row { grid-template-columns: 1fr; }
  .ms-stage { height: 420px; }
}