/* ==========================================================================
   StreetIntel — Field Kit Design System
   Charcoal/graphite surfaces, amber live-alert accent, mono + sans pairing.
   ========================================================================== */

:root {
  /* ---- Type scale ---- */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.15rem + 2.6vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);

  /* ---- Spacing (4px system) ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ---- Radius ---- */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* ---- Motion ---- */
  --transition-interactive: 160ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ---- Content widths ---- */
  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;

  /* ---- Fonts ---- */
  --font-display: 'General Sans', 'Segoe UI', sans-serif;
  --font-body: 'General Sans', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
}

/* ---- Dark "field kit" theme (default) ---- */
:root,
[data-theme='dark'] {
  --color-bg: #17181a;
  --color-surface: #1d1f22;
  --color-surface-2: #23262a;
  --color-surface-offset: #2a2d32;
  --color-surface-offset-2: #33373d;
  --color-divider: #34373c;
  --color-border: #3c4046;

  --color-text: #eceeef;
  --color-text-muted: #9a9fa6;
  --color-text-faint: #676b72;
  --color-text-inverse: #141516;

  /* Amber — live-alert accent, used sparingly */
  --color-primary: #f5a524;
  --color-primary-hover: #ffb84d;
  --color-primary-active: #d68d13;
  --color-primary-highlight: #3a2f16;
  --color-on-primary: #17181a;

  /* Cyan — secondary "system live" signal, used even more sparingly */
  --color-signal: #4dd9e8;
  --color-signal-highlight: #16333a;

  /* Contradiction / alert red — reserved strictly for contradiction flags */
  --color-alert: #ef5b5b;
  --color-alert-highlight: #3a2020;

  --color-success: #6bbf7a;
  --color-success-highlight: #1e3020;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
}

/* ---- Light "field kit" theme ---- */
[data-theme='light'] {
  --color-bg: #f2f1ee;
  --color-surface: #ffffff;
  --color-surface-2: #f8f7f4;
  --color-surface-offset: #ebe9e4;
  --color-surface-offset-2: #e2dfd8;
  --color-divider: #ddd9d2;
  --color-border: #cfcbc2;

  --color-text: #201f1c;
  --color-text-muted: #5c5952;
  --color-text-faint: #928d83;
  --color-text-inverse: #f7f6f3;

  --color-primary: #b0690a;
  --color-primary-hover: #8f5507;
  --color-primary-active: #714407;
  --color-primary-highlight: #f3e1c2;
  --color-on-primary: #ffffff;

  --color-signal: #0e7c8c;
  --color-signal-highlight: #d6ecee;

  --color-alert: #c23a3a;
  --color-alert-highlight: #f5dcdc;

  --color-success: #327a3f;
  --color-success-highlight: #dceedd;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 80 / 0.08);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 80 / 0.1);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 80 / 0.14);
}

/* ==========================================================================
   Base type + layout
   ========================================================================== */

body {
  font-family: var(--font-body);
  background-image:
    radial-gradient(ellipse at top right, oklch(from var(--color-primary) l c h / 0.05), transparent 55%);
  background-repeat: no-repeat;
}

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--narrow {
  max-width: var(--content-narrow);
}
.container--default {
  max-width: var(--content-default);
}

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
}
.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.2);
}

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
}
.section-head p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 60ch;
}

.text-muted {
  color: var(--color-text-muted);
}

/* ==========================================================================
   Skip link
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  z-index: 200;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
}
.skip-link:focus {
  top: var(--space-4);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand-name {
  white-space: nowrap;
}
.brand-name b {
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.main-nav ul {
  display: flex;
  gap: var(--space-6);
}
.main-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
}
.main-nav a:hover {
  color: var(--color-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-faint);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  background: var(--color-primary-active);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-text-faint);
  background: var(--color-surface-2);
}
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}
.btn-block {
  width: 100%;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: clamp(var(--space-16), 10vw, var(--space-24));
  padding-bottom: clamp(var(--space-12), 8vw, var(--space-20));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}

.hero-copy h1 {
  font-size: var(--text-3xl);
  margin-top: var(--space-5);
  line-height: 1.05;
}
.hero-copy h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-copy .lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-6);
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.hero-fineprint {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}
.hero-fineprint svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--color-text-faint);
}

/* ==========================================================================
   Live interview mockup (hero visual)
   ========================================================================== */

.hud {
  position: relative;
  background: linear-gradient(180deg, var(--color-surface), var(--color-surface-2));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  min-width: 0;
}

.hud-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  background: oklch(from var(--color-surface-offset) l c h / 0.6);
  min-width: 0;
}
.hud-titlebar-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  min-width: 0;
}
.hud-titlebar-label span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-alert);
  flex-shrink: 0;
  animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,
  100% {
    box-shadow: 0 0 0 0 oklch(from var(--color-alert) l c h / 0.5);
  }
  50% {
    box-shadow: 0 0 0 6px oklch(from var(--color-alert) l c h / 0);
  }
}
.hud-timer {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-shrink: 0;
}

.hud-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.transcript-line {
  display: flex;
  gap: var(--space-3);
  min-width: 0;
  padding: var(--space-2) 0;
}
.transcript-speaker {
  flex-shrink: 0;
  width: 4.75rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  padding-top: 0.2em;
  overflow-wrap: break-word;
  line-height: 1.3;
}
.transcript-text {
  min-width: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  overflow-wrap: break-word;
}
.transcript-line.is-flagged {
  background: var(--color-alert-highlight);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-inline: calc(var(--space-3) * -1);
}
.transcript-line.is-flagged .transcript-text {
  color: var(--color-text);
}
.transcript-line.is-flagged .transcript-speaker {
  color: var(--color-alert);
}

.contradiction-tag {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  background: oklch(from var(--color-alert) l c h / 0.16);
  color: var(--color-alert);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}
.contradiction-tag svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  margin-top: 0.15em;
}
.contradiction-tag span {
  overflow-wrap: break-word;
  white-space: normal;
  min-width: 0;
  line-height: 1.4;
}

.followup-chip {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px dashed oklch(from var(--color-primary) l c h / 0.5);
  background: var(--color-primary-highlight);
  min-width: 0;
}
.followup-chip .icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 0.1em;
}
.followup-chip .content {
  min-width: 0;
  flex: 1;
}
.followup-chip .label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}
.followup-chip .prompt {
  font-size: var(--text-sm);
  color: var(--color-text);
  overflow-wrap: break-word;
  line-height: 1.5;
}

.hud-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-divider);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
}
.hud-footer .status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-success);
}
.hud-footer .status svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

/* ==========================================================================
   How it works
   ========================================================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

.step-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-width: 0;
}
.step-card:nth-child(2) {
  border-color: oklch(from var(--color-primary) l c h / 0.4);
  background: linear-gradient(180deg, var(--color-surface), oklch(from var(--color-primary) l c h / 0.04));
}

.step-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
}
.step-card:nth-child(2) .step-index {
  color: var(--color-primary);
}
.step-card h3 {
  font-size: var(--text-lg);
}
.step-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.step-icon {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.step-connector {
  display: none;
}

/* ==========================================================================
   Demo examples (second demo section)
   ========================================================================== */

.demo-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.demo-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-width: 0;
}

.demo-col {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.demo-col-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.demo-col-label.alert {
  color: var(--color-alert);
}
.demo-col-label.prompt {
  color: var(--color-primary);
}

.demo-quote {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.55;
  overflow-wrap: break-word;
  background: var(--color-alert-highlight);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  min-width: 0;
}
.demo-quote .context {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
}

.demo-followup {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.55;
  overflow-wrap: break-word;
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 1px dashed oklch(from var(--color-primary) l c h / 0.5);
  min-width: 0;
}

/* ==========================================================================
   Trust / ethics
   ========================================================================== */

.trust-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  align-items: start;
}

.trust-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.trust-item {
  display: flex;
  gap: var(--space-4);
  min-width: 0;
}
.trust-item svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-signal);
  margin-top: 0.15em;
}
.trust-item h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.trust-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.trust-pledge {
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface-offset));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  min-width: 0;
}
.trust-pledge .eyebrow {
  color: var(--color-signal);
}
.trust-pledge .eyebrow::before {
  background: var(--color-signal);
  box-shadow: 0 0 0 3px oklch(from var(--color-signal) l c h / 0.2);
}
.trust-pledge blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.4;
  margin-top: var(--space-4);
}
.trust-pledge cite {
  display: block;
  margin-top: var(--space-4);
  font-style: normal;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Audience / use-cases
   ========================================================================== */

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.audience-card {
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.audience-card svg {
  width: 26px;
  height: 26px;
  color: var(--color-primary);
}
.audience-card h3 {
  font-size: var(--text-lg);
}
.audience-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ==========================================================================
   Waitlist form
   ========================================================================== */

.waitlist-section {
  position: relative;
}
.waitlist-panel {
  background: linear-gradient(160deg, var(--color-surface-2), var(--color-surface-offset));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 6vw, var(--space-12));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-10);
  align-items: center;
}

.waitlist-copy h2 {
  font-size: var(--text-xl);
}
.waitlist-copy p {
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 44ch;
}

.waitlist-form {
  min-width: 0;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.form-row label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}
.form-row input,
.form-row select {
  width: 100%;
  min-width: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  min-height: 44px;
}
.form-row input:focus,
.form-row select:focus {
  border-color: var(--color-primary);
}
.form-row input::placeholder {
  color: var(--color-text-faint);
}

.form-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

.waitlist-success {
  display: none;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  min-width: 0;
}
.waitlist-success.is-visible {
  display: flex;
}
.waitlist-form.is-hidden {
  display: none;
}
.waitlist-success .icon-badge {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-success-highlight);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
}
.waitlist-success .icon-badge svg {
  width: 24px;
  height: 24px;
}
.waitlist-success h3 {
  font-size: var(--text-lg);
}
.waitlist-success p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 42ch;
}
.waitlist-success .queue-code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  overflow-wrap: break-word;
  max-width: 100%;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
  flex-wrap: wrap;
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 26rem;
  min-width: 0;
}
.footer-brand .brand {
  margin-bottom: var(--space-1);
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-nav {
  display: flex;
  gap: var(--space-12);
  flex-wrap: wrap;
}
.footer-nav-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 8rem;
}
.footer-nav-group h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}
.footer-nav-group a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-nav-group a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-8);
}
.footer-family-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 52ch;
}
.footer-family-note strong {
  color: var(--color-text);
  font-weight: 600;
}
.footer-copyright {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .trust-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }
  .audience-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .waitlist-panel {
    grid-template-columns: minmax(0, 1fr);
  }
  .demo-card {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-visual,
  .hud {
    min-width: 0;
    max-width: 100%;
  }
}

@media (max-width: 720px) {
  .main-nav ul {
    display: none;
  }
  .header-actions .btn-primary {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .transcript-speaker {
    width: 3.5rem;
    letter-spacing: -0.02em;
  }
  .footer-top,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-actions .btn {
    width: 100%;
  }
  .hud-footer {
    justify-content: flex-start;
  }
}