*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #1d1d1f;
  --white: #fbfbfd;
  --pure-white: #ffffff;
  --gray-900: #1d1d1f;
  --gray-700: #424245;
  --gray-500: #6e6e73;
  --gray-400: #86868b;
  --gray-200: #d2d2d7;
  --gray-100: #f5f5f7;
  --accent: #8eb4cc;
  --accent-deep: #5a8fad;
  --accent-soft: rgba(142, 180, 204, 0.14);
  --surface-dark: #000000;
  --surface-elevated: #161617;
  --border: rgba(0, 0, 0, 0.06);
  --border-strong: rgba(0, 0, 0, 0.1);
  --focus: #8eb4cc;
  --focus-offset: 3px;
  --ok: #2d6a4f;
  --warn: #8a6914;
  --future: #6e6e73;
  --ff: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ff-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --nav-h: 52px;
  --max-w: 980px;
  --max-w-wide: 1120px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-pill: 980px;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 1.5rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--white);
  color: var(--gray-900);
  font-family: var(--ff);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.47059;
  letter-spacing: -0.022em;
  overflow-x: clip;
}

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

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: opacity 0.2s var(--ease);
}

a:hover { opacity: 0.72; }

a.btn, .nav-link, .footer-link { text-decoration: none; }
a.btn:hover, .nav-link:hover, .footer-link:hover { opacity: 1; }

/* ── Accessibility ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.625rem 1rem;
  background: var(--pure-white);
  color: var(--black);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--focus);
  outline-offset: var(--focus-offset);
}

.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;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: var(--focus-offset);
}

:focus:not(:focus-visible) { outline: none; }

/* ── Layout ── */
.container {
  width: min(var(--max-w), 100% - 3rem);
  margin-inline: auto;
}

.container--wide {
  width: min(var(--max-w-wide), 100% - 3rem);
  margin-inline: auto;
}

.section {
  padding: clamp(5rem, 12vw, 7.5rem) 0;
}

.section--dark {
  background: var(--surface-dark);
  color: var(--pure-white);
}

.section--gray {
  background: var(--gray-100);
}

.section--center {
  text-align: center;
}

.section--center .section-lead {
  margin-inline: auto;
}

.section-tag {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--gray-400);
  margin-bottom: 1rem;
}

.section--dark .section-tag { color: rgba(255, 255, 255, 0.48); }

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  text-wrap: balance;
  color: inherit;
}

.section-lead {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  font-weight: 400;
  color: var(--gray-500);
  line-height: 1.5;
  letter-spacing: -0.01em;
  max-width: 34rem;
}

.section--dark .section-lead { color: rgba(255, 255, 255, 0.64); }

.section-lead + .section-lead { margin-top: 1rem; }

.section-lead--sm {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.text-link {
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  font-family: var(--ff);
  font-size: 1.0625rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.6875rem 1.375rem;
  min-height: 2.75rem;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.15s var(--ease), box-shadow 0.25s var(--ease);
  touch-action: manipulation;
  white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--pure-white);
  color: var(--black);
}

.btn-primary:hover {
  background: #f0f0f2;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--pure-white);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.32);
}

.btn-dark {
  background: var(--black);
  color: var(--pure-white);
}

.btn-dark:hover { background: #333336; }

.btn-ghost {
  background: transparent;
  color: var(--black);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}

.btn-ghost:hover { background: var(--gray-100); }

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn--sm {
  font-size: 0.9375rem;
  padding: 0.5rem 1rem;
  min-height: 2.25rem;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 2.25rem);
  background: rgba(251, 251, 253, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease);
}

.nav--solid {
  background: rgba(251, 251, 253, 0.92);
  border-bottom-color: var(--border);
}

.nav--dark {
  background: rgba(0, 0, 0, 0.72);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.nav--dark .nav-logo,
.nav--dark .nav-link { color: rgba(255, 255, 255, 0.92); }

.nav--dark .nav-link { color: rgba(255, 255, 255, 0.64); }
.nav--dark .nav-link:hover,
.nav--dark .nav-link[aria-current="page"] { color: var(--pure-white); }

.nav--dark .nav-toggle {
  color: var(--pure-white);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.nav-logo {
  font-family: var(--ff-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: var(--black);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  box-shadow: inset 0 0 0 1px var(--border-strong);
  border-radius: 50%;
  width: 2.25rem;
  height: 2.25rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--black);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2rem);
  list-style: none;
}

.nav-link {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--gray-500);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.nav-link:hover,
.nav-link[aria-current="page"] { color: var(--black); }

.nav-cta {
  font-size: 0.8125rem !important;
  padding: 0.4375rem 0.875rem !important;
  min-height: auto !important;
}

/* ── Hero ── */
.hero {
  min-height: 100svh;
  background: var(--surface-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 3rem) 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(142, 180, 204, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 52rem;
}

.hero-tag {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.52);
  margin-bottom: 1.75rem;
}

.hero-title {
  font-family: var(--ff-display);
  font-size: clamp(2.75rem, 7.5vw, 4.75rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--pure-white);
  margin-bottom: 1.25rem;
  text-wrap: balance;
}

.hero-sub {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.68);
  max-width: 28rem;
  margin: 0 auto 2.25rem;
  line-height: 1.45;
  letter-spacing: -0.015em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.hero-note {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0;
  max-width: 24rem;
  margin-inline: auto;
  line-height: 1.5;
}

/* ── Stats ── */
.stats {
  background: var(--surface-dark);
  padding: clamp(3rem, 8vw, 4.5rem) 0 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: var(--max-w-wide);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.stat {
  padding: 2rem 1.25rem;
  text-align: center;
  position: relative;
}

.stat:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 25%;
  height: 50%;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.stat-value {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--pure-white);
  margin-bottom: 0.625rem;
  font-variant-numeric: tabular-nums;
}

.stat-value .stat-accent { color: var(--accent); }

.stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.48);
  line-height: 1.45;
  letter-spacing: -0.01em;
  max-width: 12rem;
  margin-inline: auto;
}

.stat-sources {
  padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem) 1.75rem;
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.28);
  letter-spacing: 0;
  line-height: 1.55;
  text-align: center;
  max-width: 42rem;
  margin-inline: auto;
}

/* ── Pillars ── */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2rem, 5vw, 3.5rem) clamp(2rem, 6vw, 4rem);
  margin-top: 3.5rem;
}

.pillar-title {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  color: var(--black);
}

.pillar-desc {
  font-size: 1.0625rem;
  color: var(--gray-500);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

/* ── Audio demo ── */
.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.demo-card {
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: background 0.3s var(--ease);
}

.demo-card:hover { background: rgba(255, 255, 255, 0.06); }

.demo-card-title {
  font-family: var(--ff-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--pure-white);
}

.demo-transcript {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.56);
  line-height: 1.55;
  flex: 1;
  letter-spacing: -0.01em;
}

.demo-play { align-self: flex-start; }

.demo-note {
  margin-top: 2rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.36);
  max-width: 36rem;
  line-height: 1.5;
}

/* ── Viability ── */
.viability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.viability-card {
  background: var(--pure-white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: inset 0 0 0 1px var(--border);
  transition: box-shadow 0.3s var(--ease);
}

.viability-card:hover {
  box-shadow: inset 0 0 0 1px var(--border-strong), 0 12px 40px rgba(0, 0, 0, 0.04);
}

.viability-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0;
  margin-bottom: 1rem;
  color: var(--gray-500);
}

.viability-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.viability-status.ok { color: var(--ok); }
.viability-status.ok::before { background: var(--ok); }

.viability-status.warn { color: var(--warn); }
.viability-status.warn::before { background: var(--warn); }

.viability-status.risk { color: var(--future); }
.viability-status.risk::before { background: var(--gray-400); }

.viability-title {
  font-family: var(--ff-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: var(--black);
}

.viability-desc {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

/* ── Why glasses ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: 3rem;
  border-top: 1px solid var(--border);
}

.why-item {
  padding: 2rem 2rem 2rem 0;
  border-bottom: 1px solid var(--border);
}

.why-item:nth-child(even) {
  padding-left: 2rem;
  padding-right: 0;
  border-left: 1px solid var(--border);
}

.why-item-title {
  font-family: var(--ff-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.375rem;
  color: var(--black);
}

.why-item-desc {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

/* ── Steps ── */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step {
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gray-400);
  margin-bottom: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.step-title {
  font-family: var(--ff-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: var(--black);
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

/* ── Comparison ── */
.compare-wrap {
  overflow-x: auto;
  margin-top: 3rem;
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 0 1px var(--border);
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9375rem;
  background: var(--pure-white);
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}

.compare-table tr:last-child td { border-bottom: none; }

.compare-table th {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--gray-400);
  background: var(--gray-100);
}

.compare-table td:first-child {
  font-weight: 500;
  color: var(--gray-700);
}

.compare-table .highlight {
  background: var(--accent-soft);
  font-weight: 500;
  color: var(--black);
}

.compare-table .muted { color: var(--gray-400); }

/* ── FAQ ── */
.faq-list {
  margin-top: 3rem;
  max-width: 42rem;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child { border-top: 1px solid var(--border); }

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
  background: none;
  border: none;
  font-family: var(--ff);
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  text-align: left;
  color: var(--black);
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.faq-trigger:hover { color: var(--gray-500); }

.faq-icon {
  flex-shrink: 0;
  color: var(--gray-400);
  transition: transform 0.35s var(--ease-out);
}

.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-panel {
  overflow: hidden;
  transition: height 0.4s var(--ease-out);
}

.faq-panel-inner {
  padding: 0 0 1.25rem;
  font-size: 1.0625rem;
  color: var(--gray-500);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.faq-item h3 { font-size: inherit; font-weight: inherit; }

/* ── Capabilities ── */
.capabilities {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.capability {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.capability:last-child { border-bottom: none; }

.capability-label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--pure-white);
  letter-spacing: -0.01em;
  min-width: 9rem;
}

.capability-detail {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.48);
  letter-spacing: -0.01em;
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.about-meta {
  font-size: 0.8125rem;
  color: var(--gray-400);
  margin-bottom: 1rem;
}

.about-box {
  background: var(--surface-elevated);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

/* ── Quote ── */
.quote-section {
  background: var(--surface-dark);
  padding: clamp(5rem, 12vw, 8rem) 1.5rem;
  text-align: center;
}

.quote-text {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: rgba(255, 255, 255, 0.88);
  max-width: 38rem;
  margin: 0 auto;
  text-wrap: balance;
}

.quote-text em,
.quote-accent {
  color: var(--accent);
  font-style: normal;
}

/* ── Beta form ── */
.beta-form {
  margin-top: 2.5rem;
  display: grid;
  gap: 1rem;
  max-width: 32rem;
  margin-inline: auto;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group.full,
.form-submit-wrap.full { grid-column: 1 / -1; }

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: -0.01em;
}

.form-input,
.form-select,
.form-textarea {
  font-family: var(--ff);
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--pure-white);
  color: var(--black);
  box-shadow: inset 0 0 0 1px var(--border-strong);
  transition: box-shadow 0.2s var(--ease);
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  box-shadow: inset 0 0 0 2px var(--accent);
  outline: none;
}

.form-textarea {
  min-height: 5.5rem;
  resize: vertical;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--gray-400);
  text-align: center;
  line-height: 1.45;
}

.form-status {
  display: none;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  text-align: center;
  margin-top: 1rem;
}

.form-status.success {
  display: block;
  background: rgba(45, 106, 79, 0.08);
  color: var(--ok);
}

.form-status.error {
  display: block;
  background: rgba(180, 40, 40, 0.06);
  color: #9b2c2c;
}

.form-submit-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.875rem;
  padding-top: 0.5rem;
}

/* ── Footer ── */
.footer {
  background: var(--gray-100);
  padding: 1.75rem clamp(1.25rem, 4vw, 2.25rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--border);
}

.footer-brand {
  font-family: var(--ff-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gray-400);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--gray-400);
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  list-style: none;
}

.footer-link {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: color 0.2s var(--ease);
}

.footer-link:hover { color: var(--black); }

/* ── Privacy page ── */
.page-header {
  padding: calc(var(--nav-h) + 3rem) 0 2rem;
  background: var(--gray-100);
  border-bottom: 1px solid var(--border);
}

.page-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.page-meta {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.legal-content {
  padding: 3rem 0 5rem;
}

.legal-content h2 {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 2.5rem 0 0.75rem;
  color: var(--black);
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content p,
.legal-content li {
  font-size: 1.0625rem;
  color: var(--gray-500);
  line-height: 1.55;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.legal-content ul {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.legal-content a {
  color: var(--accent-deep);
}

/* ── Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .faq-panel { transition: none; }
  .faq-icon { transition: none; }
  .btn:active { transform: none; }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2)::after { display: none; }
  .demo-grid { grid-template-columns: 1fr; }
  .viability-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .why-item,
  .why-item:nth-child(even) {
    padding: 1.5rem 0;
    border-left: none;
  }
  .pillars { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    inset: var(--nav-h) 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(251, 251, 253, 0.98);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.25rem 1.25rem;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    display: block;
    padding: 0.875rem 0;
    font-size: 1.0625rem;
  }

  .nav-menu .nav-cta {
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
  }

  .form-row { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stat::after { display: none !important; }
}

@media (max-width: 480px) {
  .container, .container--wide { width: min(var(--max-w), 100% - 2rem); }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
}