/* ═══════════════════════════════════════════════════════════════
   Cubitworks — Marketing Site Styles
   Brand colours match the app (index.html theme-color: #1a1a2e)
   ═══════════════════════════════════════════════════════════════ */

/* ── Design tokens ────────────────────────────────────────────── */
:root {
  /* Brand palette */
  --color-bg:          #0f0f1a;
  --color-surface:     #1a1a2e;
  --color-surface-2:   #22223a;
  --color-border:      #2e2e4a;
  --color-primary:     #4f8ef7;
  --color-primary-dark:#3a74e0;
  --color-accent:      #7c5ef7;
  --color-text:        #e8e8f0;
  --color-text-muted:  #9898b8;
  --color-text-subtle: #6666888;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(79, 142, 247, 0.08);
  --shadow-glow: 0 0 40px rgba(79, 142, 247, 0.15);

  /* Container */
  --container-max: 1200px;
  --container-pad: var(--space-6);
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; border: none; background: none; cursor: pointer; }

/* Accessibility */
.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: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

/* ── Container ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s, opacity 0.15s;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(79, 142, 247, 0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid transparent;
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: rgba(79, 142, 247, 0.1);
}
.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}
.btn-full { width: 100%; justify-content: center; }

/* ── Navigation ───────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 26, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}
.nav.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(15, 15, 26, 0.95);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo:hover { opacity: 0.85; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-inline-start: auto;
}
.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.15s;
  text-decoration: none;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--color-text); }
.nav-links a[aria-current="page"] { color: var(--color-primary); }
.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-inline-start: var(--space-4);
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  margin-inline-start: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Badge ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  background: rgba(79, 142, 247, 0.12);
  border: 1px solid rgba(79, 142, 247, 0.3);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  padding-block: var(--space-20) var(--space-16);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* App mockup */
.app-mockup {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-glow), var(--shadow-card);
  user-select: none;
}
.mockup-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 14px;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}
.dot { width: 10px; height: 10px; border-radius: var(--radius-full); }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c940; }
.mockup-url {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-inline-start: var(--space-3);
  flex: 1;
  text-align: center;
}
.mockup-content {
  display: flex;
  height: 280px;
}
.mockup-sidebar {
  width: 120px;
  border-right: 1px solid var(--color-border);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
}
.sidebar-item {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 6px 8px;
  border-radius: var(--radius-sm);
}
.sidebar-item.active {
  background: rgba(79, 142, 247, 0.15);
  color: var(--color-primary);
}
.mockup-main {
  flex: 1;
  padding: var(--space-4);
  overflow: hidden;
}
.mockup-header {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.mockup-job {
  margin-bottom: var(--space-4);
}
.job-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
  margin-bottom: 3px;
}
.job-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.job-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.job-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

/* ── Value props ──────────────────────────────────────────────── */
.value-props {
  padding-block: var(--space-16);
  border-block: 1px solid var(--color-border);
  background: var(--color-surface);
}
.props-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.prop-card {
  padding: var(--space-6);
}
.prop-icon {
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(79, 142, 247, 0.12);
  border-radius: var(--radius-md);
}
.prop-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.prop-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Section header ───────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}
.section-header h2 {
  font-size: clamp(1.625rem, 3.5vw, 2.25rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.section-header p {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}
.section-header-light h2 { color: var(--color-text); }

/* ── Features grid ────────────────────────────────────────────── */
.features-preview {
  padding-block: var(--space-20);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
.feature-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.feature-item:hover {
  border-color: rgba(79, 142, 247, 0.4);
  box-shadow: var(--shadow-card);
}
.feature-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
  line-height: 1;
}
.feature-item h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.feature-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.features-cta {
  text-align: center;
}

/* ── Pricing teaser ───────────────────────────────────────────── */
.pricing-teaser {
  padding-block: var(--space-20);
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}
.plan-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  max-width: 900px;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}
.plan-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.plan-card:hover {
  border-color: rgba(79, 142, 247, 0.3);
  box-shadow: var(--shadow-card);
}
.plan-card-featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-glow);
}
.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.plan-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}
.plan-price {
  margin-bottom: var(--space-3);
}
.price-amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
}
.price-period {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-inline-start: 2px;
}
.plan-limits {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.pricing-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.pricing-detail-link {
  display: block;
  text-align: center;
  color: var(--color-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
}
.pricing-detail-link:hover { text-decoration: underline; }

/* ── CTA section ──────────────────────────────────────────────── */
.cta-section {
  padding-block: var(--space-20);
  text-align: center;
}
.cta-inner h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.cta-inner p {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* ── Footer ───────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}
.footer-inner {
  display: flex;
  gap: var(--space-12);
  padding-block: var(--space-12);
  flex-wrap: wrap;
}
.footer-brand {
  flex: 1;
  min-width: 220px;
}
.footer-brand .nav-logo {
  margin-bottom: var(--space-3);
}
.footer-brand p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: 280px;
}
.footer-nav {
  display: flex;
  gap: var(--space-12);
}
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--color-text); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-4);
}
.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ── Page header (inner pages) ────────────────────────────────── */
.page-header {
  padding-block: var(--space-16) var(--space-12);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.page-header h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}
.page-header p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
}

/* ── Content prose ────────────────────────────────────────────── */
.prose-section {
  padding-block: var(--space-16);
  max-width: 760px;
  margin-inline: auto;
}
.prose-section h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-block: var(--space-8) var(--space-3);
}
.prose-section p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.prose-section ul {
  list-style: disc;
  padding-inline-start: var(--space-6);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.prose-section li { margin-bottom: var(--space-2); line-height: 1.6; }

/* ── Forms ────────────────────────────────────────────────────── */
.form-section {
  padding-block: var(--space-16);
}
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  max-width: 520px;
  margin-inline: auto;
}
.form-card h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.form-card > p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  font-size: 0.9375rem;
}
.form-group {
  margin-bottom: var(--space-5);
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.form-group .req { color: var(--color-primary); margin-inline-start: 2px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font: inherit;
  font-size: 0.9375rem;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239898b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.form-group select option { background: var(--color-surface); }
.form-error {
  font-size: 0.8125rem;
  color: #ff6b6b;
  margin-top: var(--space-1);
  display: none;
}
.form-error.visible { display: block; }
.form-success {
  display: none;
  background: rgba(40, 201, 64, 0.1);
  border: 1px solid rgba(40, 201, 64, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: #28c940;
  font-size: 0.9375rem;
  margin-top: var(--space-4);
}
.form-success.visible { display: block; }
.form-submit-error {
  display: none;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: #ff6b6b;
  font-size: 0.9375rem;
  margin-top: var(--space-4);
}
.form-submit-error.visible { display: block; }
.form-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}
.form-hint-inline {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

/* ── Demo page ────────────────────────────────────────────────── */
.demo-form-card {
  max-width: 560px; /* slightly wider than standard contact form */
}
.demo-reasons {
  padding-block: var(--space-16) var(--space-20);
}
.demo-reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  max-width: 960px;
  margin-inline: auto;
}
.demo-reason {
  text-align: center;
}
.demo-reason-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(79, 142, 247, 0.12);
  border: 1px solid rgba(79, 142, 247, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.demo-reason h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.demo-reason p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .demo-reasons-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .demo-form-card { max-width: 100%; }
}

/* Features detail page */
.module-group {
  padding-block: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}
.module-group:last-child { border-bottom: none; }
.module-group h2 {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.module-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.module-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.module-item h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.module-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Pricing page full */
.pricing-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 960px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}
.plan-card-full {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.plan-card-full:hover {
  border-color: rgba(79, 142, 247, 0.3);
  box-shadow: var(--shadow-card);
}
.plan-card-full-featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-glow);
}
.plan-features-list {
  list-style: none;
  margin-bottom: var(--space-8);
  flex: 1;
}
.plan-features-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  padding-block: 6px;
}
.plan-features-list li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.plan-cta {
  margin-top: auto;
}
.faq-section {
  max-width: 720px;
  margin-inline: auto;
  padding-block: var(--space-16);
}
.faq-section h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  text-align: center;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-5);
}
.faq-q {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  font-size: 1rem;
}
.faq-a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* About & Contact pages */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
  padding-block: var(--space-16);
}
.about-text h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.about-text p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-1);
}
.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Signup page */
.plan-select-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.plan-radio {
  cursor: pointer;
}
.plan-radio input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.plan-radio-label {
  display: block;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.plan-radio-label:hover { border-color: rgba(79, 142, 247, 0.4); }
.plan-radio input:checked + .plan-radio-label {
  border-color: var(--color-primary);
  background: rgba(79, 142, 247, 0.1);
}
.plan-radio-name {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-text);
  display: block;
  margin-bottom: 2px;
}
.plan-radio-price {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}
.plan-radio input:checked + .plan-radio-label .plan-radio-name { color: var(--color-primary); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .props-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --container-pad: 20px; }

  /* Nav */
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    gap: var(--space-2);
    align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1rem; padding: var(--space-2) 0; width: 100%; }
  .nav-toggle { display: flex; }
  .nav-cta .btn-ghost { display: none; }
  .nav { position: sticky; }

  /* Hero */
  .hero { padding-block: var(--space-12) var(--space-10); }
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero-visual { display: none; }

  /* Grids */
  .props-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .features-grid { grid-template-columns: 1fr; }
  .plan-cards { grid-template-columns: 1fr; max-width: 400px; }
  .pricing-full-grid { grid-template-columns: 1fr; max-width: 420px; }
  .module-list { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .plan-select-row { grid-template-columns: 1fr; }

  /* Sections */
  .value-props { padding-block: var(--space-12); }
  .features-preview { padding-block: var(--space-12); }
  .pricing-teaser { padding-block: var(--space-12); }
  .cta-section { padding-block: var(--space-12); }

  /* Footer */
  .footer-inner { flex-direction: column; gap: var(--space-8); }
  .footer-nav { flex-wrap: wrap; gap: var(--space-8); }

  /* Forms */
  .form-card { padding: var(--space-6); }
}

@media (max-width: 480px) {
  .hero-text h1 { font-size: 1.875rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .stat-grid { grid-template-columns: 1fr; }
}

/* ── Blog ─────────────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding-block: var(--space-12) var(--space-20);
}
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.blog-card:hover {
  border-color: rgba(79, 142, 247, 0.4);
  box-shadow: var(--shadow-card);
}
.blog-card-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.blog-card h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: var(--space-3);
}
.blog-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-4);
}
.blog-card-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}
.blog-card-meta time { font-weight: 500; }
.blog-read-more {
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-inline-start: auto;
  flex-shrink: 0;
}

/* Blog post page */
.post-header {
  padding-block: var(--space-16) var(--space-10);
  border-bottom: 1px solid var(--color-border);
}
.post-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: rgba(79, 142, 247, 0.1);
  border: 1px solid rgba(79, 142, 247, 0.25);
  border-radius: var(--radius-full);
  padding: 3px 10px;
  margin-bottom: var(--space-4);
}
.post-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.025em;
  line-height: 1.2;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
}
.post-meta {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}
.post-meta time { font-weight: 500; }

.post-body {
  max-width: 760px;
  margin-inline: auto;
  padding-block: var(--space-12) var(--space-16);
}
.post-body h2 {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-text);
  margin-block: var(--space-8) var(--space-3);
  letter-spacing: -0.01em;
}
.post-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-block: var(--space-6) var(--space-2);
}
.post-body p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-5);
  font-size: 1rem;
}
.post-body ul, .post-body ol {
  list-style: disc;
  padding-inline-start: var(--space-6);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}
.post-body ol { list-style: decimal; }
.post-body li {
  margin-bottom: var(--space-2);
  line-height: 1.7;
}
.post-body strong { color: var(--color-text); font-weight: 700; }
.post-body a { color: var(--color-primary); text-decoration: underline; text-decoration-color: rgba(79, 142, 247, 0.4); }
.post-body a:hover { text-decoration-color: var(--color-primary); }
.post-callout {
  background: rgba(79, 142, 247, 0.07);
  border: 1px solid rgba(79, 142, 247, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-block: var(--space-6);
}
.post-callout p { margin-bottom: 0; }
.post-callout strong { color: var(--color-primary); }

.post-nav {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8);
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
}
.post-nav a { color: var(--color-primary); font-weight: 600; font-size: 0.9375rem; }
.post-nav a:hover { text-decoration: underline; }
.post-nav-sep { color: var(--color-border); }

@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .post-header h1 { font-size: 1.625rem; }
}

/* ── Features internal link section ──────────────────────────── */
.features-learn-more {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.features-learn-more h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.features-learn-more p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.blog-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}
.blog-link-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface);
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.blog-link-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ── Skip to content ──────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-weight: 700;
  z-index: 9999;
  text-decoration: none;
}
.skip-link:focus { top: 0; }

/* Highlight current page in nav */
.nav-links a[aria-current="page"] {
  color: var(--color-primary);
}