/* ============================================================
   Arkyvus — marketing site styles
   Brand system: Arkyvus Blue #1E40AF · Interactive #2563EB ·
   MAIA Violet #7C3AED (AI accents only) · Dark #1F2937 ·
   Light #F9FAFB · states: #10B981 / #F59E0B / #EF4444
   Type: Sora (display) · Inter (body) · JetBrains Mono (technical)
   ============================================================ */

:root {
  --blue: #1E40AF;
  --blue-int: #2563EB;
  --maia: #7C3AED;
  --ink: #1F2937;
  --paper: #F9FAFB;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;

  --night: #0A0F1E;          /* hero / dark section atmosphere */
  --night-2: #0D1630;
  --line-dark: rgba(249, 250, 251, 0.12);
  --line-light: rgba(31, 41, 55, 0.12);
  --muted: #5b6472;
  --muted-light: rgba(249, 250, 251, 0.68);

  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --container: 1160px;
  --radius: 10px;
  --shadow-card: 0 1px 2px rgba(31,41,55,.05), 0 12px 32px -12px rgba(31,41,55,.14);
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}
body {
  margin: 0;
  overflow-x: hidden;
  max-width: 100%;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
.mono { font-family: var(--font-mono); font-size: 0.8em; letter-spacing: 0.02em; }

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}

/* ---------- accessibility ---------- */
.skip-link {
  position: absolute; left: 1rem; top: -3rem;
  background: var(--blue-int); color: #fff;
  padding: .6rem 1rem; border-radius: 6px; z-index: 200;
  font-weight: 600; text-decoration: none;
  transition: top .2s ease;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--blue-int);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 600; font-size: .95rem;
  padding: .8rem 1.5rem; border-radius: 8px;
  text-decoration: none; cursor: pointer;
  border: 1px solid transparent;
  transition: transform .18s ease, background-color .18s ease,
              border-color .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--blue-int); color: #fff; }
.btn--primary:hover { background: #1d4fd8; box-shadow: 0 8px 20px -8px rgba(37,99,235,.55); }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-light); }
.btn--ghost:hover { border-color: var(--blue-int); color: var(--blue-int); }

.btn--outline-light {
  background: rgba(249,250,251,.04);
  color: var(--paper); border-color: rgba(249,250,251,.35);
  backdrop-filter: blur(4px);
}
.btn--outline-light:hover { border-color: var(--paper); }

.btn--lg { padding: 1rem 1.9rem; font-size: 1.02rem; }
.btn--sm { padding: .55rem 1.05rem; font-size: .85rem; }

/* ============================================================
   0 · Nav
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color .3s ease, box-shadow .3s ease,
              backdrop-filter .3s ease, padding .3s ease;
}
.nav__inner {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
  display: flex; align-items: center; gap: 2rem;
  padding: 1.15rem 0;
  transition: padding .3s ease;
}
.nav.is-scrolled {
  background: rgba(10, 15, 30, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(249,250,251,.08);
}
.nav.is-scrolled .nav__inner { padding: .7rem 0; }

.nav__brand {
  display: flex; align-items: center; gap: .6rem;
  text-decoration: none; color: var(--paper);
}
.nav__mark { width: 30px; height: 30px; }
.nav__logo {
  height: 34px;
  width: auto;
  max-width: min(160px, 42vw);
  object-fit: contain;
}
/* Product logo is dark-on-transparent; invert on dark hero/nav. */
.nav:not(.is-light) .nav__logo {
  filter: brightness(0) invert(1);
}
.footer__logo {
  height: 30px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  /* Dark product mark → light Arkyvus name on night footer */
  filter: brightness(0) invert(1);
  opacity: 0.95;
}
/* Seal mark reads on dark: brighten strokes */
.nav__mark circle, .nav__mark path { stroke: #8CA6F0; }
.nav__mark path[fill="#1E40AF"] { fill: #fff; stroke: none; }
.nav__wordmark { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: .01em; }

.nav__links { display: flex; gap: 1.4rem; margin-left: auto; }
.nav__links a {
  color: var(--muted-light); text-decoration: none;
  font-size: .9rem; font-weight: 500;
  transition: color .15s ease;
}
.nav__links a:hover { color: #fff; }

.nav__actions { display: flex; gap: .6rem; }
.nav__actions .btn--ghost { color: var(--muted-light); border-color: rgba(249,250,251,.25); }
.nav__actions .btn--ghost:hover { color: #fff; border-color: rgba(249,250,251,.6); }

.nav__toggle {
  display: none; margin-left: auto;
  background: none; border: none; cursor: pointer;
  width: 40px; height: 40px; position: relative;
}
.nav__toggle span {
  position: absolute; left: 8px; right: 8px; height: 2px;
  background: var(--paper); border-radius: 2px;
  transition: transform .25s ease, top .25s ease;
}
.nav__toggle span:nth-child(1) { top: 15px; }
.nav__toggle span:nth-child(2) { top: 23px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { top: 19px; transform: rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column; gap: 1rem;
  padding: 1.2rem 1.5rem 1.6rem;
  background: rgba(10,15,30,.96);
  backdrop-filter: blur(14px);
  left: 0;
  right: 0;
  width: 100%;
  max-height: min(70vh, 480px);
  overflow-y: auto;
}
.nav__mobile a { color: var(--paper); text-decoration: none; font-weight: 500; }
.nav__mobile:not([hidden]) { display: flex; }

/* Nav over light sections */
.nav.is-light { background: rgba(249,250,251,.85); }
.nav.is-light .nav__wordmark, .nav.is-light .nav__links a:hover,
.nav.is-light .nav__toggle span { color: var(--ink); background-color: var(--ink); }
.nav.is-light .nav__wordmark { color: var(--ink); }
.nav.is-light .nav__logo { filter: none; }
.nav.is-light .nav__links a { color: var(--muted); }
.nav.is-light .nav__links a:hover { color: var(--ink); }
.nav.is-light .nav__mark circle, .nav.is-light .nav__mark path { stroke: var(--blue); }
.nav.is-light .nav__mark path[fill="#1E40AF"] { fill: var(--blue); }
.nav.is-light.is-scrolled { box-shadow: 0 1px 0 var(--line-light); }
.nav.is-light .nav__actions .nav-ghost-fix,
.nav.is-light .nav__actions .btn--ghost { color: var(--muted); border-color: var(--line-light); }
.nav.is-light .nav__actions .btn--ghost:hover { color: var(--blue-int); border-color: var(--blue-int); }

/* ============================================================
   Sections — shared
   ============================================================ */
.section { padding: 7rem 0; position: relative; }
.section--light { background: #fff; color: var(--ink); }
.section--tint { background: var(--paper); color: var(--ink); }
.section--dark { background: linear-gradient(180deg, var(--night) 0%, var(--night-2) 100%); color: var(--paper); }

.eyebrow {
  color: var(--blue-int);
  text-transform: uppercase;
  font-size: .72rem; letter-spacing: .14em;
  margin: 0 0 1rem;
}
.eyebrow--dark { color: #8CA6F0; }
.eyebrow--maia { color: #B79BF5; }

.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 1.2rem;
  max-width: 22ch;
}
.section__title--light { color: var(--paper); }

.section__lede { font-size: 1.15rem; max-width: 58ch; color: var(--muted); margin: 0 0 3rem; }
.section__lede--light { color: var(--muted-light); }

/* ============================================================
   1 · Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  background: var(--night);
  color: var(--paper);
  overflow: hidden;
}
.hero__canvas-wrap { position: absolute; inset: 0; }
#heroCanvas { width: 100%; height: 100%; display: block; }

.hero__poster {
  position: absolute; inset: 0;
  display: none; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse 70% 55% at 62% 42%, rgba(30,64,175,.4), transparent 65%),
    radial-gradient(ellipse 40% 35% at 30% 70%, rgba(124,58,237,.16), transparent 70%),
    var(--night);
}
.hero__poster svg { width: min(300px, 42vw); opacity: .45; }
.hero__poster svg circle, .hero__poster svg path { stroke: #8CA6F0; }
.hero__poster svg path[fill="#1E40AF"] { fill: #8CA6F0; }
.hero.is-static .hero__poster { display: flex; }
.hero.is-static #heroCanvas { display: none; }

.hero__overlay { position: relative; z-index: 2; padding-top: 5rem; }

.hero__eyebrow { color: #8CA6F0; text-transform: uppercase; letter-spacing: .16em; font-size: .72rem; margin: 0 0 1.4rem; }

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 1.6rem;
  max-width: 15ch;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; }

.hero__sub {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  color: var(--muted-light);
  max-width: 52ch;
  margin: 0 0 2.4rem;
}

.hero__ctas { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 1.6rem; }

.hero__micro { color: rgba(249,250,251,.5); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; margin: 0; }

.hero__scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: rgba(249,250,251,.4); z-index: 2;
}
.hero__scroll-hint .mono { font-size: .65rem; letter-spacing: .2em; text-transform: uppercase; }
.hero__scroll-line { width: 1px; height: 42px; background: linear-gradient(rgba(249,250,251,.5), transparent); }

/* ============================================================
   2 · Problem
   ============================================================ */
.problem__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem;
  margin-top: 3rem;
}
.problem__card {
  background: var(--paper);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 2.2rem 2.2rem 1.6rem;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.problem__card:hover { border-color: rgba(37,99,235,.2); box-shadow: var(--shadow-card); }
.problem__audience {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.2rem; margin: 0 0 1.4rem;
}
.problem__list { list-style: none; margin: 0; padding: 0; }
.problem__list li {
  position: relative;
  padding: .85rem 0;
  border-top: 1px solid var(--line-light);
  min-height: 3.2rem;
}
.problem__pain, .problem__fix { display: block; transition: opacity .3s ease; }
.problem__pain { color: var(--muted); }
.problem__fix {
  color: var(--ink); font-weight: 500;
  position: absolute; inset: .85rem 0 auto 0;
  opacity: 0;
}
.problem__fix::before {
  content: "→ "; color: var(--blue-int); font-weight: 600;
}
li[data-swap].is-fixed .problem__pain { opacity: 0; text-decoration: line-through; text-decoration-color: rgba(239,68,68,.5); }
li[data-swap].is-fixed .problem__fix { opacity: 1; }
/* Reduced-motion / no-JS fallback: show both states statically */
.no-motion li[data-swap] .problem__pain { text-decoration: line-through; text-decoration-color: rgba(239,68,68,.45); opacity: .55; }
.no-motion li[data-swap] .problem__fix { position: static; opacity: 1; margin-top: .2rem; }

/* ============================================================
   3 · Solution / pillars
   ============================================================ */
.pillars {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem;
  margin-top: 3.4rem;
}
.pillar {
  background: rgba(249,250,251,.035);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 1.9rem 1.7rem;
  backdrop-filter: blur(6px);
  transition: border-color .25s ease, background-color .25s ease;
}
.pillar:hover { border-color: rgba(37,99,235,.45); background: rgba(37,99,235,.06); }
.pillar--maia:hover { border-color: rgba(124,58,237,.5); background: rgba(124,58,237,.07); }

.pillar__icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: rgba(37,99,235,.14);
  color: #8CA6F0;
  margin-bottom: 1.3rem;
}
.pillar__icon svg { width: 26px; height: 26px; }
.pillar--maia .pillar__icon { background: rgba(124,58,237,.16); color: #B79BF5; }

.pillar__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.05rem; margin: 0 0 .6rem; color: var(--paper);
}
.pillar__copy { font-size: .92rem; color: var(--muted-light); margin: 0; }

/* ============================================================
   4 · Walkthrough (pinned)
   ============================================================ */
.walkthrough { padding: 0; background: #fff; }
.walkthrough__pin { padding: 6rem 0; }
.walkthrough__layout {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 4rem; align-items: center;
}

.wt-steps { list-style: none; margin: 2.4rem 0 0; padding: 0; display: grid; gap: .4rem; }
.wt-step {
  display: flex; gap: 1.1rem;
  padding: 1.05rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  opacity: .38;
  transition: opacity .3s ease, border-color .3s ease, background-color .3s ease;
}
.wt-step.is-active {
  opacity: 1;
  border-color: rgba(37,99,235,.22);
  background: rgba(37,99,235,.045);
}
.wt-step__num { color: var(--blue-int); font-size: .8rem; padding-top: .25rem; }
.wt-step h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; margin: 0 0 .25rem; }
.wt-step p { font-size: .88rem; color: var(--muted); margin: 0; }
.no-motion .wt-step { opacity: 1; }

/* --- UI mock --- */
.ui-mock {
  border: 1px solid var(--line-light);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.ui-mock__chrome {
  display: flex; align-items: center; gap: .45rem;
  padding: .8rem 1.1rem;
  border-bottom: 1px solid var(--line-light);
  background: #fff;
}
.ui-mock__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-light); }
.ui-mock__crumb { margin-left: .8rem; color: var(--muted); font-size: .72rem; }

.ui-mock__body { position: relative; padding: 1.4rem 1.4rem 0; min-height: 340px; }

.mock-panel { transition: opacity .35s ease; }
.mock-panel:not(.is-visible) { opacity: 0; position: absolute; inset: 1.4rem 1.4rem auto; pointer-events: none; }
.mock-panel.is-visible { opacity: 1; position: relative; }
.no-motion .mock-panel { opacity: 1 !important; position: relative !important; margin-bottom: 1.2rem; }

.mock-label { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 .8rem; }
.mock-label--maia { color: var(--maia); }

.mock-rule {
  font-size: .78rem; color: var(--ink);
  background: #fff; border: 1px solid var(--line-light);
  border-left: 3px solid var(--blue);
  border-radius: 6px; padding: .55rem .8rem; margin-bottom: .5rem;
}

.mock-asset { display: flex; gap: 1rem; background: #fff; border: 1px solid var(--line-light); border-radius: 8px; padding: 1rem; }
.mock-asset__art {
  width: 84px; height: 84px; border-radius: 6px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-int) 100%);
  opacity: .85;
}
.mock-asset__lines { flex: 1; display: grid; gap: .55rem; align-content: center; }
.mock-asset__lines span { height: 9px; border-radius: 4px; background: var(--line-light); display: block; }
.mock-asset__lines .short { width: 55%; }

.mock-score { display: flex; gap: 1.4rem; align-items: center; }
.mock-score__ring { position: relative; width: 92px; height: 92px; flex: none; }
.mock-score__ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.mock-ring-bg { fill: none; stroke: var(--line-light); stroke-width: 6; }
.mock-ring-fg {
  fill: none; stroke: var(--maia); stroke-width: 6; stroke-linecap: round;
  stroke-dasharray: 213.6; stroke-dashoffset: 213.6;
}
.no-motion .mock-ring-fg { stroke-dashoffset: 27.8; } /* ≈ 0.87 */
.mock-score__value {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: .95rem; color: var(--maia); font-weight: 500;
}
.mock-score__evidence { list-style: none; margin: 0; padding: 0; font-size: .76rem; display: grid; gap: .45rem; }
.mock-score__evidence li::before { content: "✓ "; color: var(--success); }
.mock-score__evidence li.warn::before { content: "! "; color: var(--warning); }
.mock-threshold { margin: 1rem 0 0; font-size: .74rem; color: var(--muted); }

.mock-gate { background: #fff; border: 1px solid var(--line-light); border-radius: 8px; padding: 1.1rem; }
.mock-gate__reviewer { display: flex; gap: .9rem; align-items: center; margin-bottom: 1rem; }
.mock-gate__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--blue); color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: .82rem;
}
.mock-gate__reviewer strong { display: block; font-size: .88rem; }
.mock-gate__reviewer .mono { color: var(--muted); font-size: .7rem; }
.mock-gate__actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.mock-btn {
  font-size: .8rem; font-weight: 600; font-family: var(--font-display);
  padding: .5rem .95rem; border-radius: 6px;
}
.mock-btn--approve { background: var(--blue-int); color: #fff; transition: box-shadow .3s ease; }
.mock-btn--approve.is-lit { box-shadow: 0 0 0 3px rgba(37,99,235,.25); }
.mock-btn--return { border: 1px solid var(--line-light); color: var(--muted); }

.mock-deploy { background: #fff; border: 1px solid var(--line-light); border-radius: 8px; padding: 1.2rem; }
.mock-deploy__status { display: inline-flex; align-items: center; gap: .6rem; font-weight: 600; font-size: .92rem; }
.mock-deploy__pulse {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(16,185,129,.4);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16,185,129,.4); }
  70% { box-shadow: 0 0 0 9px rgba(16,185,129,0); }
  100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}

.mock-audit {
  margin-top: 1.4rem;
  border-top: 1px dashed var(--line-light);
  padding: 1rem 0 1.2rem;
}
.mock-audit__title { font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: var(--maia); margin: 0 0 .6rem; }
.mock-audit__lines { display: grid; gap: .35rem; font-size: .72rem; color: var(--muted); }
.mock-audit__lines span { opacity: 0; transform: translateY(4px); transition: opacity .35s ease, transform .35s ease; }
.mock-audit__lines span.is-on { opacity: 1; transform: none; }
.no-motion .mock-audit__lines span { opacity: 1; transform: none; }

/* ============================================================
   5–6 · Audience sections
   ============================================================ */
.audience__layout {
  display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: 4rem; align-items: center;
}
.audience--flip .audience__layout { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); }
.audience--flip .audience__copy { order: 2; }
.audience--flip .audience__visual { order: 1; }

.check-list { list-style: none; margin: 0 0 2.2rem; padding: 0; display: grid; gap: .9rem; }
.check-list li { padding-left: 1.9rem; position: relative; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .38em;
  width: 16px; height: 16px; border-radius: 50%;
  background: rgba(37,99,235,.12);
  box-shadow: inset 0 0 0 1px rgba(37,99,235,.4);
}
.check-list li::after {
  content: ""; position: absolute; left: 4.5px; top: calc(.38em + 4px);
  width: 7px; height: 4.5px;
  border-left: 1.7px solid var(--blue-int); border-bottom: 1.7px solid var(--blue-int);
  transform: rotate(-45deg);
}

.portfolio-mock, .flow-mock {
  border: 1px solid var(--line-light); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-card);
  padding: 2rem;
}
.portfolio-mock__row {
  display: grid; grid-template-columns: 9rem 1fr 3rem;
  gap: 1rem; align-items: center;
  padding: .7rem 0; font-size: .78rem; color: var(--ink);
}
.portfolio-mock__row + .portfolio-mock__row { border-top: 1px solid var(--line-light); }
.portfolio-mock__bar { height: 7px; border-radius: 4px; background: var(--paper); overflow: hidden; }
.portfolio-mock__bar i { display: block; height: 100%; width: var(--w); background: var(--blue-int); border-radius: 4px; }
.portfolio-mock__bar i.warn { background: var(--warning); }
.portfolio-mock__caption, .flow-mock__caption {
  margin: 1.4rem 0 0; font-size: .68rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: .1em;
}

.flow-mock { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; }
.flow-mock__node {
  font-family: var(--font-display); font-weight: 600; font-size: .85rem;
  border: 1px solid var(--line-light); border-radius: 8px;
  padding: .6rem 1rem; background: var(--paper);
}
.flow-mock__node--maia { border-color: rgba(124,58,237,.45); color: var(--maia); }
.flow-mock__node--gate { border-color: rgba(37,99,235,.5); color: var(--blue-int); }
.flow-mock__edge { flex: 1; min-width: 14px; height: 1px; background: var(--line-light); }
.flow-mock__caption { width: 100%; }

/* ============================================================
   7 · MAIA
   ============================================================ */
.maia { overflow: hidden; }
.maia__lattice { position: absolute; inset: 0; opacity: .4; pointer-events: none; }
.maia__lattice svg { width: 100%; height: 100%; }
.maia__lattice line { stroke: rgba(124,58,237,.22); stroke-width: 1; }
.maia__lattice circle { fill: rgba(124,58,237,.4); }

.maia .container { position: relative; }

.maia__tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 3rem; }
.maia-tile {
  border: 1px solid rgba(124,58,237,.28);
  background: rgba(124,58,237,.055);
  border-radius: var(--radius);
  padding: 1.9rem 1.7rem;
  backdrop-filter: blur(6px);
}
.maia-tile__label { color: #B79BF5; font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; margin: 0 0 .8rem; }
.maia-tile h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; margin: 0 0 .6rem; color: var(--paper); }
.maia-tile p { font-size: .92rem; color: var(--muted-light); margin: 0; }

.maia__handoff {
  margin-top: 3.6rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 2rem 2.2rem;
  background: rgba(249,250,251,.03);
}
.maia__handoff-track {
  display: flex; align-items: center; gap: .9rem;
  margin-bottom: 1.2rem;
}
.maia__signal {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--maia);
  animation: maiaPulse 3s ease-in-out infinite;
}
.maia__signal--2 { animation-delay: .5s; opacity: .7; }
.maia__signal--3 { animation-delay: 1s; opacity: .45; }
@keyframes maiaPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.35); }
}
.maia__handoff-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, rgba(124,58,237,.6), rgba(37,99,235,.8));
}
.maia__approve {
  font-family: var(--font-display); font-weight: 600; font-size: .88rem;
  background: var(--blue-int); color: #fff;
  border: none; border-radius: 8px;
  padding: .65rem 1.4rem;
  box-shadow: 0 0 0 0 rgba(37,99,235,.35);
  animation: approveGlow 3s ease-in-out infinite;
  cursor: default;
}
@keyframes approveGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37,99,235,.0); }
  50% { box-shadow: 0 0 0 6px rgba(37,99,235,.18); }
}
.maia__handoff-copy { margin: 0; color: var(--muted-light); font-size: .98rem; }
.maia__handoff-copy strong { color: var(--paper); }

/* ============================================================
   8 · How it works
   ============================================================ */
.how__diagram { position: relative; margin-top: 3.4rem; }
.how__path-svg {
  position: absolute; top: 26px; left: 0; width: 100%; height: 120px;
  overflow: visible;
}
.how__path-bg { fill: none; stroke: var(--line-light); stroke-width: 2; }
.how__path-fg {
  fill: none; stroke: var(--blue); stroke-width: 2.5; stroke-linecap: round;
}
.how__steps {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  list-style: none; margin: 0; padding: 0;
}
.how__step { padding-top: 4.4rem; }
.how__num {
  position: absolute; top: 0;
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: #fff; border: 2px solid var(--blue);
  color: var(--blue); font-weight: 500; font-size: 1rem;
}
.how__step { position: relative; }
.how__step h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; margin: 0 0 .5rem; }
.how__step p { font-size: .9rem; color: var(--muted); margin: 0; }

/* ============================================================
   9 · Comparison
   ============================================================ */
.compare__rows { display: grid; gap: 1.2rem; margin-top: 3rem; }
.compare__row {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 1.6rem; align-items: center;
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 1.6rem 2rem;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.compare__row:hover { border-color: rgba(37,99,235,.2); box-shadow: var(--shadow-card); }
.compare__tag { font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin: 0 0 .4rem; }
.compare__tag--us { color: var(--blue-int); }
.compare__them p:last-child, .compare__us p:last-child { margin: 0; font-size: .96rem; }
.compare__them p:last-child { color: var(--muted); }
.compare__us p:last-child { font-weight: 500; }
.compare__arrow { color: var(--blue-int); font-size: 1.3rem; }
.compare__closing {
  margin: 3rem 0 0;
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.25rem; max-width: 34ch;
}

/* ============================================================
   10 · Trust
   ============================================================ */
.trust__grid {
  list-style: none; margin: 3rem 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.2rem;
}
.trust__grid li {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
  font-size: .95rem;
  background: rgba(249,250,251,.03);
}
.trust__key { display: block; color: #8CA6F0; font-size: .7rem; margin-bottom: .8rem; }

/* ============================================================
   11 · Contact
   ============================================================ */
.contact__layout {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 4.5rem; align-items: start;
}
.contact__micro { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; }

.contact__form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem;
  background: var(--paper);
  border: 1px solid var(--line-light);
  border-radius: 14px;
  padding: 2.4rem;
}
.field { display: grid; gap: .45rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .82rem; font-weight: 600; }
.field input, .field select, .field textarea {
  font: inherit; font-size: .95rem;
  padding: .7rem .85rem;
  border: 1px solid var(--line-light);
  border-radius: 8px;
  background: #fff; color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: none;
  border-color: var(--blue-int);
  box-shadow: 0 0 0 3px rgba(37,99,235,.18);
}
.field textarea { resize: vertical; }
.contact__note { margin: .8rem 0 0; font-size: .74rem; color: var(--success); min-height: 1.2em; }
.contact__note.is-error { color: var(--error); }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--night);
  color: var(--muted-light);
  padding: 2.6rem 0;
  font-size: .85rem;
}
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.footer__brand { display: flex; align-items: center; gap: .7rem; color: var(--muted-light); }
.footer__brand span { color: var(--muted-light); }
.footer__mark { width: 26px; height: 26px; }
.footer__mark circle, .footer__mark path { stroke: #8CA6F0; }
.footer__mark path[fill="#1E40AF"] { fill: #8CA6F0; }
.footer__links { display: flex; gap: 1.6rem; }
.footer__links a { color: var(--muted-light); text-decoration: none; }
.footer__links a:hover { color: #fff; }

/* ============================================================
   Legal pages (Privacy / Terms of Use)
   ============================================================ */
.page-legal .nav {
  background: rgba(249, 250, 251, 0.92);
  box-shadow: 0 1px 0 var(--line-light);
}
.page-legal .nav__mobile a {
  color: var(--ink);
}
.legal {
  padding: 7.5rem 0 4.5rem;
  background: var(--paper);
  min-height: 70vh;
}
.legal__header {
  max-width: 720px;
  margin: 0 auto 2.5rem;
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line-light);
}
.legal__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-int);
  margin: 0 0 0.75rem;
}
.legal__header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 0.6rem;
  line-height: 1.15;
}
.legal__updated {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.legal__body {
  max-width: 720px;
  margin: 0 auto;
  color: #374151;
  font-size: 1rem;
  line-height: 1.7;
}
.legal__body section {
  margin-bottom: 1.75rem;
}
.legal__body h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.55rem;
  letter-spacing: -0.01em;
}
.legal__body h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  margin: 1.1rem 0 0.4rem;
}
.legal__body p {
  margin: 0 0 0.85rem;
}
.legal__body ul {
  margin: 0 0 1rem 1.25rem;
  padding: 0;
}
.legal__body li {
  margin: 0.3rem 0;
}
.legal__body a {
  color: var(--blue-int);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.legal__body a:hover {
  color: var(--blue);
}
.legal__actions {
  max-width: 720px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-light);
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

/* ============================================================
   Reveal defaults (JS animates; safe without JS)
   ============================================================ */
[data-reveal] { opacity: 1; }
.js [data-reveal] { opacity: 0; transform: translateY(28px); }
.js.no-motion [data-reveal] { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1080px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .nav__links { display: none; }
  .maia__tiles { grid-template-columns: 1fr; }
}

@media (max-width: 880px) {
  .section { padding: 5rem 0; }
  .nav__actions { display: none; }
  .nav__toggle { display: block; }
  .problem__grid { grid-template-columns: 1fr; }
  .walkthrough__layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .audience__layout, .audience--flip .audience__layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .audience--flip .audience__copy { order: 1; }
  .audience--flip .audience__visual { order: 2; }
  .how__path-svg { display: none; }
  .how__steps { grid-template-columns: 1fr 1fr; gap: 2.6rem 1.6rem; }
  .compare__row { grid-template-columns: 1fr; gap: .9rem; padding: 1.4rem 1.5rem; }
  .compare__arrow { transform: rotate(90deg); justify-self: start; }
  .contact__layout { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 560px) {
  .pillars { grid-template-columns: 1fr; }
  .how__steps { grid-template-columns: 1fr; }
  .contact__form { grid-template-columns: 1fr; padding: 1.6rem; }
  .hero__ctas .btn { width: 100%; }
  .mock-score { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}