/* ═══════════════════════════════════════════════════════════════════════════
   Brenda — Your AI receptionist who actually gives a damn.
   Master stylesheet — design tokens, layout, components, dark mode.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Fonts ─────────────────────────────────────────────────────────────────
   Space Grotesk — bold, geometric, techy-but-friendly display face
   Inter — clean, highly readable body text
   ──────────────────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

/* ── Design Tokens ─────────────────────────────────────────────────────── */
:root {
  /* Core palette */
  --color-coral:       #FF6B6B;
  --color-coral-dark:  #E55A5A;
  --color-violet:      #7C5CFC;
  --color-violet-dark: #6A4AE8;
  --color-midnight:    #1A1A2E;
  --color-navy:        #16213E;
  --color-slate:       #2D3250;
  --color-cloud:       #F8F9FC;
  --color-fog:         #E8EAF0;
  --color-smoke:       #9CA3B8;
  --color-ink:         #1A1A2E;
  --color-body:        #3D3D5C;
  --color-white:       #FFFFFF;
  --color-success:     #34D399;
  --color-warning:     #FBBF24;

  /* Semantic tokens */
  --bg-primary:        var(--color-white);
  --bg-secondary:      var(--color-cloud);
  --bg-accent:         var(--color-midnight);
  --bg-card:           var(--color-white);
  --text-primary:      var(--color-ink);
  --text-secondary:    var(--color-body);
  --text-muted:        var(--color-smoke);
  --text-on-dark:      var(--color-cloud);
  --text-on-accent:    var(--color-white);
  --border-color:      var(--color-fog);
  --accent-primary:    var(--color-coral);
  --accent-secondary:  var(--color-violet);

  /* Typography */
  --font-display:      'Space Grotesk', system-ui, sans-serif;
  --font-body:         'Inter', system-ui, sans-serif;
  --font-mono:         'SF Mono', 'Cascadia Code', 'Fira Code', monospace;

  /* Font sizes — fluid scale */
  --text-xs:    clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm:    clamp(0.8125rem, 0.75rem + 0.3vw, 0.9rem);
  --text-base:  clamp(0.9375rem, 0.875rem + 0.3vw, 1.0625rem);
  --text-lg:    clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --text-xl:    clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl:   clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl:   clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl:   clamp(2.5rem, 1.75rem + 3.75vw, 4rem);
  --text-hero:  clamp(3rem, 2rem + 5vw, 5.5rem);

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;
  --space-5xl:  8rem;

  /* Layout */
  --max-width:       1200px;
  --max-width-tight: 800px;
  --max-width-wide:  1400px;
  --nav-height:      72px;
  --border-radius:   12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;
  --border-radius-pill: 100px;

  /* Shadows */
  --shadow-sm:   0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg:   0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl:   0 20px 60px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 30px rgba(255,107,107,0.3);

  /* Transitions */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:    cubic-bezier(0.7, 0, 0.84, 0);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast:   150ms;
  --duration-normal: 250ms;
  --duration-slow:   400ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.15; font-weight: 700; }

/* ── Typography ────────────────────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--font-display); }

h1 { font-size: var(--text-4xl); letter-spacing: -0.03em; }
h2 { font-size: var(--text-3xl); letter-spacing: -0.02em; }
h3 { font-size: var(--text-2xl); letter-spacing: -0.01em; }
h4 { font-size: var(--text-xl); font-family: var(--font-display); }

p + p { margin-top: var(--space-md); }

.text-gradient {
  background: linear-gradient(135deg, var(--color-coral), var(--color-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted { color: var(--text-muted); }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-center { text-align: center; }
.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); font-size: var(--text-sm); }

/* ── Layout ────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-tight { max-width: var(--max-width-tight); }
.container-wide  { max-width: var(--max-width-wide); }

.section {
  padding: var(--space-4xl) 0;
}

.section-lg {
  padding: var(--space-5xl) 0;
}

/* ── Navigation ────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--duration-normal) var(--ease-out);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo svg { width: 32px; height: 32px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  transition: color var(--duration-fast);
  padding: var(--space-xs) 0;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-primary);
}

.nav-links a[aria-current="page"] {
  border-bottom: 2px solid var(--accent-primary);
  padding-bottom: calc(var(--space-xs) - 2px);
}

.nav-cta {
  background: var(--accent-primary) !important;
  color: var(--color-white) !important;
  padding: var(--space-sm) var(--space-lg) !important;
  border-radius: var(--border-radius-pill) !important;
  font-weight: 600 !important;
  transition: background var(--duration-fast), transform var(--duration-fast) !important;
}

.nav-cta:hover {
  background: var(--color-coral-dark) !important;
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
}

.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: var(--space-lg) var(--space-xl);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    gap: var(--space-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: var(--text-base); }
}

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: var(--bg-accent);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -25%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgba(124,92,252,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 70%;
  height: 120%;
  background: radial-gradient(circle, rgba(255,107,107,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero h1 {
  font-size: var(--text-hero);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-xl);
}

.hero p {
  font-size: var(--text-lg);
  color: rgba(248,249,252,0.75);
  max-width: 540px;
  margin-bottom: var(--space-2xl);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .hero { min-height: auto; padding-top: calc(var(--nav-height) + var(--space-3xl)); padding-bottom: var(--space-3xl); }
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-pill);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(255,107,107,0);
}

.btn-primary:hover {
  background: var(--color-coral-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-on-dark);
  border: 2px solid rgba(255,255,255,0.25);
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.05);
}

/* Dashboard content area: btn-secondary needs to work on light/dark backgrounds */
.dash-content .btn-secondary {
  color: var(--text-primary);
  border-color: var(--border-color);
}
.dash-content .btn-secondary:hover {
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
  background: rgba(124, 92, 252, 0.06);
}

.btn-outline {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}

.btn-outline:hover {
  background: var(--accent-primary);
  color: var(--color-white);
}

.btn-lg {
  font-size: var(--text-lg);
  padding: var(--space-lg) var(--space-2xl);
}

.btn-sm {
  font-size: var(--text-sm);
  padding: var(--space-sm) var(--space-lg);
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ── Cards ─────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.card-icon-coral { background: rgba(255,107,107,0.1); color: var(--color-coral); }
.card-icon-violet { background: rgba(124,92,252,0.1); color: var(--color-violet); }
.card-icon-success { background: rgba(52,211,153,0.1); color: var(--color-success); }

.card h3 { margin-bottom: var(--space-sm); }
.card p { color: var(--text-secondary); }

.pack-card {
  position: relative;
  overflow: hidden;
}

.corner-banner {
  position: absolute;
  top: 28px;
  right: -32px;
  width: 150px;
  background: linear-gradient(135deg, var(--color-coral), var(--color-violet));
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 0;
  transform: rotate(45deg);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* ── Feature Sections ──────────────────────────────────────────────────── */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }

.feature-visual {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.8;
  border: 1px solid var(--border-color);
}

.feature-visual .email-from { color: var(--color-smoke); }
.feature-visual .email-body { color: var(--text-primary); }
.feature-visual .email-brenda { color: var(--color-violet); font-weight: 500; }

@media (max-width: 768px) {
  .feature-row { grid-template-columns: 1fr; gap: var(--space-xl); }
  .feature-row.reverse { direction: ltr; }
}

/* ── Email Demo Block ──────────────────────────────────────────────────── */
.email-demo {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.email-demo-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.email-demo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.email-demo-dot:nth-child(1) { background: #FF6B6B; }
.email-demo-dot:nth-child(2) { background: #FBBF24; }
.email-demo-dot:nth-child(3) { background: #34D399; }

.email-demo-body {
  padding: var(--space-xl);
  font-size: var(--text-sm);
  line-height: 1.8;
}

.email-demo-body .from,
.email-demo-body .to,
.email-demo-body .subject {
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.email-demo-body .from strong,
.email-demo-body .to strong,
.email-demo-body .subject strong {
  color: var(--text-primary);
}

.email-demo-body .message {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.email-demo-body .signature {
  margin-top: var(--space-lg);
  color: var(--text-muted);
  font-style: italic;
}

/* ── Steps ─────────────────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  counter-reset: step;
}

.step {
  counter-increment: step;
  text-align: center;
}

.step::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-lg);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-coral), var(--color-violet));
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
}

.step h3 { margin-bottom: var(--space-sm); font-size: var(--text-lg); }
.step p { color: var(--text-secondary); font-size: var(--text-sm); }

@media (max-width: 768px) {
  .steps { grid-template-columns: 1fr; gap: var(--space-xl); }
}

/* ── Pricing ───────────────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 840px;
  margin: 0 auto;
  align-items: start;
}

@media (max-width: 700px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

.pricing-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  max-width: 420px;
  margin: 0 auto;
  position: relative;
}

.pricing-grid .pricing-card {
  max-width: none;
  margin: 0;
}

.pricing-card.featured {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-coral), var(--color-violet));
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--border-radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin: var(--space-lg) 0;
}

.pricing-price span {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-features {
  text-align: left;
  margin: var(--space-xl) 0;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.pricing-features li::before {
  content: '\2713';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Forms ──────────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--duration-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255,107,107,0.15);
}

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

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239CA3B8' fill='none' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-lg) center;
  padding-right: calc(var(--space-lg) + 24px);
}

.form-error {
  color: var(--color-coral);
  font-size: var(--text-sm);
  margin-top: var(--space-xs);
}

.form-success {
  color: var(--color-success);
  font-size: var(--text-sm);
  margin-top: var(--space-xs);
}

/* ── CTA Banner ────────────────────────────────────────────────────────── */
.cta-banner {
  background: var(--bg-accent);
  color: var(--text-on-dark);
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(124,92,252,0.2) 0%, rgba(255,107,107,0.15) 100%);
  pointer-events: none;
}

.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { margin-bottom: var(--space-md); }
.cta-banner p { color: rgba(248,249,252,0.7); margin-bottom: var(--space-xl); max-width: 540px; margin-left: auto; margin-right: auto; }

/* ── Footer ────────────────────────────────────────────────────────────── */
.footer {
  background: var(--bg-accent);
  color: var(--text-on-dark);
  padding: var(--space-2xl) 0 calc(var(--space-2xl) * 2);
}

.footer-inner {
  display: flex;
  align-items: stretch;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.footer-brand {
  flex: 4 1 0;
}

.footer-brand .nav-logo {
  color: var(--text-on-dark);
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: rgba(248,249,252,0.5);
  font-size: var(--text-sm);
}

.footer-fine-print {
  color: rgba(248,249,252,0.2) !important;
  font-size: var(--text-xs) !important;
  margin-top: 0 !important;
}

.footer-links {
  flex: 3 1 0;
  border-left: 1px solid rgba(255,255,255,0.1);
  padding-left: var(--space-xl);
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-on-dark);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-links a {
  display: block;
  color: rgba(248,249,252,0.5);
  font-size: var(--text-sm);
  padding: var(--space-xs) 0;
  transition: color var(--duration-fast);
}

.footer-links a:hover { color: var(--color-coral); }

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  color: rgba(248,249,252,0.2);
  font-size: var(--text-xs);
}

.footer-bottom a {
  color: rgba(248,249,252,0.35);
  font-size: var(--text-xs);
  transition: color var(--duration-fast);
}

.footer-bottom a:hover { color: rgba(248,249,252,0.7); }

/* ── Who It's For ──────────────────────────────────────────────────────── */
.audience-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.audience-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-pill);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* ── Utilities ─────────────────────────────────────────────────────────── */
.mt-xs  { margin-top: var(--space-xs); }
.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }

.mb-xs  { margin-bottom: var(--space-xs); }
.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Dark Mode ─────────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary:       var(--color-midnight);
    --bg-secondary:     var(--color-navy);
    --bg-card:          var(--color-slate);
    --text-primary:     var(--color-cloud);
    --text-secondary:   rgba(248,249,252,0.7);
    --text-muted:       rgba(248,249,252,0.4);
    --border-color:     rgba(255,255,255,0.1);
    --shadow-sm:        0 1px 2px rgba(0,0,0,0.2);
    --shadow-md:        0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg:        0 8px 30px rgba(0,0,0,0.4);
  }

  .nav {
    background: rgba(26,26,46,0.9);
  }

  .nav-logo { color: var(--color-cloud); }

  .form-input,
  .form-select,
  .form-textarea {
    background: var(--color-navy);
    color: var(--color-cloud);
  }

  .audience-tag {
    background: var(--color-navy);
    color: var(--color-cloud);
    border-color: rgba(255,255,255,0.1);
  }

  .email-demo-header {
    background: var(--color-navy);
  }
}

/* ── Passkey Status ────────────────────────────────────────────────────── */
.passkey-status { margin-top: var(--space-sm); font-size: var(--text-sm); text-align: center; min-height: 1.5em; }
.passkey-success { color: var(--color-success); }
.passkey-error { color: var(--color-coral); }
.passkey-divider { display: flex; align-items: center; gap: var(--space-md); margin: var(--space-lg) 0; color: var(--text-muted); font-size: var(--text-sm); }
.passkey-divider::before, .passkey-divider::after { content: ""; flex: 1; border-top: 1px solid var(--border-color, #e2e8f0); }

/* ── Reduced Motion ────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Print ─────────────────────────────────────────────────────────────── */
@media print {
  .nav, .footer, .cta-banner { display: none; }
  body { color: #000; background: #fff; }
  .hero { background: #fff; color: #000; min-height: auto; }
}