/* ==========================================================================
   NeuroD+ — Aurora UI
   Deep indigo base, lavender/periwinkle/aqua aurora, uppercase Lora headings,
   DM Sans body, DM Mono labels. Motion lives only in the hero.
   ========================================================================== */

:root {
  /* Aurora palette */
  --bg-deep: #0A0730;
  --bg-mid: #150E3B;
  --bg-raised: #2A1B54;
  --lavender: #C9B8FF;
  --periwinkle: #8C9BFF;
  --aqua: #7CE3FF;
  --pale: #E8D9FF;
  --white: #FFFFFF;
  /* Deeper periwinkle for italic accents on light surfaces — periwinkle
     itself is only 2.3:1 on --surface-light, this is 8:1. */
  --periwinkle-on-light: #4338A8;

  /* Light section surface (never pure white) */
  --surface-light: #F6F2FF;
  --surface-light-raised: #EEE6FF;

  /* Text roles */
  --text-on-dark: #E7E0FF;
  --text-on-dark-muted: #B7ADDA;
  --text-on-light: #150E3B;
  --text-on-light-muted: #4B457A;

  --line-on-dark: rgba(231, 224, 255, .16);
  --line-on-light: rgba(21, 14, 59, .12);

  --font-heading: 'Lora', 'Iowan Old Style', Georgia, serif;
  --font-body: 'DM Sans', Arial, sans-serif;
  --font-mono: 'DM Mono', 'SFMono-Regular', Menlo, monospace;

  --radius-card: 22px;
  --radius-pill: 999px;
  --ease: cubic-bezier(.22, .8, .3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--surface-light);
  color: var(--text-on-light);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; display: block; }
p { margin-top: 0; }

.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap;
}

.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 60;
  background: var(--aqua); color: var(--bg-deep);
  padding: 12px 18px; border-radius: 0 0 10px 10px;
  font-weight: 700; transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; }

.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon {
  width: 20px; height: 20px; display: inline-block;
  color: currentColor; flex: 0 0 auto;
  transition: transform .2s var(--ease);
}

/* ---------- Focus, always visible, never removed ---------- */
:focus { outline: none; }
:focus-visible {
  outline: 3px solid var(--aqua);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Headings: uppercase Lora, italic accent ---------- */
h1, h2, h3 {
  margin: 0 0 .5em;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .01em;
  line-height: 1.12;
}
h1 em, h2 em, h3 em, .mission-line em {
  font-style: italic;
  font-weight: 600;
  color: var(--periwinkle);
}
.section-dark h1 em, .section-dark h2 em, .section-dark h3 em { color: var(--aqua); }
.section-light h1 em, .section-light h2 em, .section-light h3 em { color: var(--periwinkle-on-light); }

h1 { max-width: 19ch; font-size: clamp(2.35rem, 4.6vw + 1rem, 4.1rem); }
h2 { max-width: 16ch; font-size: clamp(1.7rem, 2.2vw + 1rem, 2.6rem); }
h3 { font-size: clamp(1.05rem, .6vw + .9rem, 1.2rem); line-height: 1.25; }

/* ---------- Labels / kickers / mono ---------- */
.eyebrow, .section-kicker {
  margin: 0 0 18px;
  color: var(--periwinkle);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  line-height: 1.4;
}
.section-dark .section-kicker { color: var(--aqua); }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--aqua); }
.eyebrow-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--aqua);
  box-shadow: 0 0 0 5px rgba(124, 227, 255, .16);
  flex: 0 0 auto;
}

/* ---------- Buttons & links ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 48px; padding: 13px 22px;
  border: 1px solid transparent; border-radius: var(--radius-pill);
  font-family: var(--font-body); font-size: 14px; font-weight: 700;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
  cursor: pointer;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(10, 7, 48, .22); }
.button-primary { background: var(--pale); color: var(--bg-deep); }
.button-primary:hover { background: var(--white); }
.button-outline {
  border-color: rgba(124, 227, 255, .6); color: var(--aqua);
  min-height: 44px; padding: 10px 18px;
}
.button-outline:hover { border-color: var(--aqua); background: rgba(124, 227, 255, .08); }
.button-small { font-size: 12px; }
.text-link {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 44px;
  color: inherit; font-weight: 700; font-size: 14px;
}
.text-link .icon { color: var(--aqua); transition: transform .2s var(--ease); }
.text-link:hover .icon { transform: translateY(3px); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 40; color: var(--white);
  transition: background-color .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.scrolled {
  background: rgba(10, 7, 48, .88);
  box-shadow: 0 10px 36px rgba(0, 0, 0, .22);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { flex: 0 0 auto; min-height: 44px; display: flex; align-items: center; gap: 10px; }
.brand-symbol { width: 32px; height: 32px; }
.brand-wordmark {
  font-family: var(--font-body); font-weight: 700;
  font-size: 19px; letter-spacing: -.01em; color: var(--white);
}
.brand-wordmark span { color: var(--aqua); }
.site-nav { display: flex; align-items: center; gap: 22px; font-size: 13px; font-weight: 600; }
.site-nav > a:not(.button) {
  display: inline-flex; align-items: center; min-height: 44px;
  opacity: .82; transition: opacity .2s var(--ease);
}
.site-nav > a:not(.button):hover, .site-nav > a:not(.button):focus-visible { opacity: 1; }
.menu-toggle {
  display: none; flex-direction: column; width: 44px; height: 44px; align-items: center; justify-content: center;
  border: 0; background: transparent; padding: 8px;
}
.menu-toggle span:not(.sr-only) { display: block; width: 22px; height: 2px; background: var(--white); margin: 5px 0; transition: transform .2s var(--ease), opacity .2s var(--ease); }

/* ==========================================================================
   Hero — Aurora
   ========================================================================== */
.hero {
  position: relative;
  min-height: 92svh;
  display: flex; align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--bg-deep);
  padding: 120px 0 70px;
}
.aurora { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.aurora-blob {
  position: absolute; border-radius: 50%;
  filter: blur(60px);
  mix-blend-mode: screen;
  will-change: transform;
}
.aurora-blob-a {
  width: 62vw; height: 62vw; max-width: 780px; max-height: 780px;
  top: -18%; right: -14%;
  background: radial-gradient(circle at 50% 50%, rgba(140, 155, 255, .55), transparent 70%);
  animation: drift-a 11s ease-in-out infinite alternate;
}
.aurora-blob-b {
  width: 50vw; height: 50vw; max-width: 640px; max-height: 640px;
  bottom: -22%; left: -10%;
  background: radial-gradient(circle at 50% 50%, rgba(124, 227, 255, .4), transparent 70%);
  animation: drift-b 9.5s ease-in-out infinite alternate;
}
.aurora-blob-c {
  width: 40vw; height: 40vw; max-width: 520px; max-height: 520px;
  top: 30%; left: 32%;
  background: radial-gradient(circle at 50% 50%, rgba(201, 184, 255, .38), transparent 70%);
  animation: drift-c 12.5s ease-in-out infinite alternate;
}
@keyframes drift-a { from { transform: translate(0, 0) scale(1); } to { transform: translate(-4%, 5%) scale(1.08); } }
@keyframes drift-b { from { transform: translate(0, 0) scale(1); } to { transform: translate(5%, -4%) scale(1.1); } }
@keyframes drift-c { from { transform: translate(-3%, -2%) scale(.96); } to { transform: translate(4%, 4%) scale(1.05); } }

.hero-grid {
  position: relative; z-index: 1;
  display: grid; gap: 48px; align-items: center;
}
.hero-copy { max-width: 620px; }
.hero-lede { max-width: 540px; margin: 0 0 28px; color: var(--text-on-dark); font-size: clamp(1.02rem, .4vw + .95rem, 1.2rem); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.hero-note { max-width: 440px; margin: 22px 0 0; color: rgba(231, 224, 255, .62); font-size: 12.5px; }

.hero-visual { position: relative; min-height: 380px; display: grid; place-items: center; }
.orbit-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(140, 155, 255, .3);
}
.orbit-ring-a { width: 92%; aspect-ratio: 1.5; max-width: 460px; }
.orbit-ring-b { width: 66%; aspect-ratio: 1; max-width: 380px; border-color: rgba(124, 227, 255, .28); }
.orbit-ring-c { width: 108%; aspect-ratio: 1.9; max-width: 540px; border-color: rgba(201, 184, 255, .18); transform: rotate(-8deg); }

.hero-mark { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.hero-symbol {
  width: min(300px, 62vw);
  filter: drop-shadow(0 18px 60px rgba(140, 155, 255, .35));
}
.hero-wordmark {
  margin: 0;
  font-family: var(--font-body); font-weight: 700;
  text-transform: none; letter-spacing: -.01em;
  font-size: clamp(1.5rem, 2vw + 1rem, 2.1rem);
  color: var(--white);
}
.hero-wordmark span { color: var(--aqua); }

.floating-note {
  position: absolute; z-index: 3;
  display: inline-flex; align-items: center;
  padding: 9px 14px; border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, .22);
  background: rgba(10, 7, 48, .55);
  backdrop-filter: blur(12px);
  color: var(--white);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
}
.floating-note-top { top: 4%; right: 2%; }
.floating-note-bottom { bottom: 8%; left: 0; display: flex; align-items: baseline; gap: 7px; color: var(--aqua); font-size: 20px; font-weight: 500; }
.floating-note-bottom small { color: var(--white); font-size: 9px; letter-spacing: .1em; }
.pulse {
  display: inline-block; width: 7px; height: 7px; margin-right: 8px;
  border-radius: 50%; background: var(--aqua);
  box-shadow: 0 0 0 4px rgba(124, 227, 255, .18);
}

.hero-scroll {
  position: absolute; z-index: 2; bottom: 24px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px;
  color: rgba(231, 224, 255, .55);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
}
.hero-scroll span { display: block; width: 26px; height: 1px; background: var(--aqua); }

/* ==========================================================================
   Section surfaces
   ========================================================================== */
.section-light { background: var(--surface-light); color: var(--text-on-light); }
.section-dark { background: var(--bg-deep); color: var(--white); position: relative; overflow: hidden; }

.intro { padding: 84px 0 68px; }
.intro-grid { display: grid; gap: 28px; }
.mission-line {
  margin: 0 0 20px;
  font-family: var(--font-heading); font-style: italic; font-weight: 600;
  color: var(--periwinkle-on-light);
  font-size: clamp(1.15rem, 1vw + 1rem, 1.5rem);
}
.intro-text { max-width: 640px; margin: 0 0 24px; color: var(--text-on-light-muted); font-size: 18px; }
.signature {
  max-width: 600px; padding-left: 18px;
  border-left: 2px solid var(--periwinkle);
  color: var(--text-on-light); font-size: 16px; font-weight: 700;
}

.founder-note {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  column-gap: 18px; row-gap: 10px;
  align-items: start;
  max-width: 640px; margin: 28px 0 0; padding: 20px;
  border-radius: var(--radius-card);
  background: var(--surface-light-raised);
}
.founder-avatar {
  grid-column: 1; grid-row: 1 / span 2;
  width: 64px; height: 64px; margin-top: 2px;
  border-radius: 50%; object-fit: cover;
  border: 2px solid var(--white);
  box-shadow: 0 6px 18px rgba(21, 14, 59, .18);
}
.founder-quote { grid-column: 2; margin: 0; }
.founder-quote p {
  margin: 0; color: var(--text-on-light); font-size: 15px; font-style: italic; line-height: 1.55;
}
.founder-note figcaption {
  grid-column: 2;
  color: var(--text-on-light-muted); font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em; text-transform: uppercase;
}
@media (max-width: 479px) {
  .founder-note { grid-template-columns: minmax(0, 1fr); }
  .founder-avatar { grid-column: 1; grid-row: auto; }
  .founder-quote, .founder-note figcaption { grid-column: 1; }
}

.section-heading { margin-bottom: 40px; }
.split-heading { display: block; }
.split-heading > p { max-width: 480px; margin: 18px 0 0; color: var(--text-on-light-muted); font-size: 14.5px; }
.dark-heading > p { color: var(--text-on-dark-muted); }

.audience { padding: 0 0 84px; }
.audience-grid { display: grid; gap: 16px; }
.audience-card {
  position: relative; min-height: 280px;
  display: flex; flex-direction: column;
  padding: 26px; border-radius: var(--radius-card);
  overflow: hidden; color: var(--white);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.audience-card:hover { transform: translateY(-6px); box-shadow: 0 26px 45px rgba(10, 7, 48, .2); }
.audience-card-violet { background: linear-gradient(140deg, #6C4EF4, #2A1B54); }
.audience-card-blue { background: linear-gradient(140deg, #4C63E0, #1E2E7A); }
.audience-card-cyan { color: var(--bg-deep); background: linear-gradient(140deg, var(--aqua), #B7EFFF); }
.card-number { color: rgba(255, 255, 255, .72); font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; }
.audience-card-cyan .card-number { color: rgba(10, 7, 48, .6); }
.card-icon { margin: 22px 0 auto; width: 44px; height: 44px; display: grid; place-items: center; }
.card-icon .icon { width: 28px; height: 28px; }
.audience-card h3 { max-width: 26ch; margin-bottom: 10px; }
.audience-card p { max-width: 30ch; margin: 0; color: rgba(255, 255, 255, .82); font-size: 14px; line-height: 1.5; }
.audience-card-cyan p { color: rgba(10, 7, 48, .78); }
.card-arrow {
  position: absolute; right: 22px; bottom: 22px;
  width: 30px; height: 30px; display: grid; place-items: center;
}
.card-arrow .icon { width: 22px; height: 22px; }

.benefits { padding: 84px 0; }
.benefits::before {
  content: ''; position: absolute; z-index: 0;
  width: 46vw; height: 46vw; max-width: 560px; max-height: 560px;
  right: -20%; top: 5%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(140, 155, 255, .16), transparent 72%);
}
.benefits-grid {
  position: relative; z-index: 1;
  display: grid;
  border-top: 1px solid var(--line-on-dark);
  border-left: 1px solid var(--line-on-dark);
}
.benefit-card {
  min-height: 232px;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 24px;
  border-right: 1px solid var(--line-on-dark);
  border-bottom: 1px solid var(--line-on-dark);
  transition: background-color .2s var(--ease);
}
.benefit-card:hover { background: rgba(231, 224, 255, .05); }
.benefit-icon {
  width: 42px; height: 42px; display: grid; place-items: center;
  margin-bottom: 22px; border: 1px solid rgba(124, 227, 255, .45);
  border-radius: 50%; color: var(--aqua);
}
.benefit-icon .icon { width: 20px; height: 20px; }
.benefit-card h3 { margin-bottom: 10px; }
.benefit-card p { max-width: 27ch; margin: 0; color: var(--text-on-dark-muted); font-size: 14px; }
.availability {
  align-self: flex-start; margin-top: 18px; padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, .22); border-radius: var(--radius-pill);
  color: var(--pale); font-family: var(--font-mono); font-size: 9px; letter-spacing: .07em; text-transform: uppercase;
}

.how { padding: 84px 0; }
.steps { display: grid; border-top: 1px solid var(--line-on-light); }
.step {
  padding: 20px 0; display: grid; grid-template-columns: 46px 1fr; gap: 12px;
  border-bottom: 1px solid var(--line-on-light);
}
.step > span { color: var(--periwinkle); font-family: var(--font-mono); font-size: 12px; }
.step h3 { margin-bottom: 6px; }
.step p { max-width: 40ch; margin: 0; color: var(--text-on-light-muted); font-size: 13.5px; line-height: 1.5; }

.launch { position: relative; overflow: hidden; color: var(--white); background: var(--bg-raised); }
.launch-glow {
  position: absolute; z-index: 0;
  width: 60vw; height: 60vw; max-width: 640px; max-height: 640px;
  right: -22%; top: -28%; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(124, 227, 255, .22), transparent 72%);
}
.launch-inner {
  position: relative; z-index: 1;
  display: grid; gap: 32px; align-items: center;
  padding: 72px 0;
}
.launch h2 { margin-bottom: 16px; }
.launch-inner > div > p:not(.section-kicker) { max-width: 480px; margin: 0; color: var(--text-on-dark-muted); font-size: 15px; }
.date-lockup { display: flex; align-items: center; gap: 16px; }
.date-day { color: var(--aqua); font-size: clamp(3.6rem, 5vw + 1rem, 6rem); font-family: var(--font-heading); font-weight: 600; line-height: .9; }
.date-divider { width: 1px; height: 62px; background: rgba(255, 255, 255, .3); }
.date-month { font-family: var(--font-mono); font-size: 20px; letter-spacing: .1em; line-height: 1.25; }
.date-month small { color: var(--aqua); font-size: 11px; letter-spacing: .12em; }

.faq { padding: 84px 0; }
.faq-grid { display: grid; gap: 40px; }
.faq-aside { max-width: 340px; margin-top: 18px; color: var(--text-on-light-muted); font-size: 15.5px; }
.faq-list { border-top: 1px solid var(--line-on-light); }
.faq-list details { border-bottom: 1px solid var(--line-on-light); }
.faq-list summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 44px; padding: 20px 0;
  cursor: pointer; list-style: none;
  font-family: var(--font-body); font-size: 16.5px; font-weight: 700;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-toggle { color: var(--periwinkle); transition: transform .2s var(--ease); flex: 0 0 auto; }
.faq-list details[open] summary .faq-toggle { transform: rotate(45deg); }
.faq-list details p { max-width: 62ch; margin: -4px 0 22px; color: var(--text-on-light-muted); font-size: 14.5px; }

.interest { position: relative; padding: 84px 0; overflow: hidden; }
.interest::after {
  content: ''; position: absolute; z-index: 0;
  width: 52vw; height: 52vw; max-width: 600px; max-height: 600px;
  right: -22%; bottom: -30%; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(201, 184, 255, .18), transparent 72%);
}
.interest-inner { position: relative; z-index: 1; display: grid; gap: 40px; align-items: center; }
.interest-inner > div > p:not(.section-kicker) { max-width: 460px; margin: 0; color: var(--text-on-dark-muted); }
.interest h2 { margin-bottom: 16px; }
.interest-form {
  padding: 26px; border-radius: var(--radius-card);
  border: 1px solid rgba(231, 224, 255, .18);
  background: rgba(231, 224, 255, .06);
  backdrop-filter: blur(12px);
}
.interest-form label:not(.checkbox-label) {
  display: block; margin-bottom: 8px;
  color: var(--pale); font-family: var(--font-mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase;
}
.interest-form input[type=text], .interest-form input[type=email], .interest-form input[type=tel] {
  width: 100%; min-height: 48px; margin-bottom: 18px; padding: 0 14px;
  border: 1px solid rgba(231, 224, 255, .28); border-radius: 10px;
  background: rgba(10, 7, 48, .5); color: var(--white);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.interest-form input:focus-visible { border-color: var(--aqua); box-shadow: 0 0 0 3px rgba(124, 227, 255, .2); }
.interest-form input::placeholder { color: #8B85B8; }
.label-optional { color: #8B85B8; font-weight: 400; text-transform: none; letter-spacing: 0; }
.checkbox-label {
  display: flex; align-items: flex-start; gap: 10px; min-height: 44px;
  margin: 2px 0 20px; padding: 4px 0;
  color: var(--text-on-dark-muted); font-size: 12.5px; line-height: 1.5; cursor: pointer;
}
.checkbox-label input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--aqua); flex: 0 0 auto; }
.interest-form .button { width: 100%; }
.form-status { min-height: 20px; margin: 14px 0 0; color: var(--aqua); font-size: 13px; text-align: center; }

.site-footer { color: var(--white); background: var(--bg-deep); }
.footer-grid { display: grid; gap: 40px; padding: 60px 0 46px; }
.footer-logo { width: min(300px, 100%); margin-bottom: 18px; }
.footer-grid p { max-width: 300px; margin: 0; color: var(--text-on-dark-muted); font-size: 13.5px; }
.footer-links { display: flex; flex-direction: column; gap: 6px; font-size: 13.5px; font-weight: 600; }
.footer-links a { display: inline-flex; align-items: center; min-height: 40px; color: var(--pale); }
.footer-links a:hover { color: var(--aqua); }
.footer-note .section-kicker { margin-bottom: 8px; }
.footer-note p { color: var(--text-on-dark-muted); font-size: 13px; }
.footer-bottom {
  display: flex; flex-direction: column; gap: 8px;
  padding: 20px 0; border-top: 1px solid var(--line-on-dark);
  color: #8B85B8; font-family: var(--font-mono); font-size: 9px; letter-spacing: .07em; text-transform: uppercase;
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay { transition-delay: .12s; }

/* ==========================================================================
   Responsive — mobile-first, checked at 375 / 768 / 1024 / 1440
   ========================================================================== */

/* Base (≈375px and up) already set above. Tablet: */
@media (min-width: 700px) {
  .audience-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .benefits-grid, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step { padding: 24px; border-right: 1px solid var(--line-on-light); }
  .footer-grid { grid-template-columns: 1.1fr .6fr .75fr; }
  .launch-inner { grid-template-columns: 1.1fr auto; }
  .launch-inner .button { grid-column: 1 / -1; justify-self: start; }
}

@media (min-width: 860px) {
  .site-nav {
    position: static; display: flex; padding: 0; background: none; box-shadow: none;
  }
  .menu-toggle { display: none !important; }
  .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr); gap: 56px; }
  .intro-grid { grid-template-columns: .5fr 1fr; gap: 60px; }
  .split-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; }
  .split-heading > p { margin: 0 0 6px; }
  .faq-grid { grid-template-columns: .78fr 1.22fr; gap: 70px; }
  .interest-inner { grid-template-columns: 1fr .78fr; gap: 70px; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

@media (max-width: 859px) {
  .menu-toggle { display: flex; }
  .site-nav {
    position: fixed; inset: 72px 0 auto; z-index: 39;
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    padding: 10px 20px 22px;
    background: rgba(10, 7, 48, .98);
    box-shadow: 0 20px 25px rgba(0, 0, 0, .2);
    max-height: calc(100vh - 72px); overflow-y: auto;
  }
  .site-nav.open { display: flex; }
  .site-nav > a:not(.button) { border-bottom: 1px solid var(--line-on-dark); }
  .site-nav .button { margin: 14px 0 6px; text-align: center; }
}

@media (min-width: 1024px) {
  h1 { max-width: 17ch; }
  .audience-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .benefits-grid, .steps { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .benefits-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .step { border-right: 1px solid var(--line-on-light); }
  .intro { padding: 128px 0 104px; }
  .audience { padding: 0 0 128px; }
  .benefits, .how, .faq, .interest, .launch-inner { padding: 128px 0; }
  .launch-inner { grid-template-columns: 1.1fr .55fr auto; gap: 40px; padding: 0; }
}

@media (min-width: 1280px) {
  .benefits-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1440px) {
  .container { width: min(1240px, calc(100% - 64px)); }
  .hero-symbol { width: 340px; }
}

/* ==========================================================================
   Reduced motion — disable aurora drift, reveals, transform transitions
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .aurora-blob { animation: none !important; }
}