/* ============================================================
   Stratsigma Marketing Site — Design System
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --bg: #0a0a0f;
  --surface: #111118;
  --surface-2: #16161f;
  --border: #1e1e2e;
  --border-subtle: #212133;

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Accent */
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-subtle: rgba(59, 130, 246, 0.12);

  /* Spacing */
  --section-padding-y: 96px;
  --section-padding-y-mobile: 64px;
  --content-width: 1140px;
  --content-padding: 24px;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Borders */
  --radius-card: 8px;
  --radius-btn: 1px;
  --radius-sm: 1px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-hover);
}

ul, ol {
  list-style: none;
}

/* --- Typography Scale --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 600; }
h3 { font-size: clamp(1.1rem, 2vw, 1.375rem); font-weight: 600; letter-spacing: 0.03em; }
h4 { font-size: 1.0625rem; font-weight: 600; }

p { color: var(--text-secondary); line-height: 1.75; }

.mono {
  font-family: var(--font-mono);
  font-size: 0.95em;
  letter-spacing: -0.01em;
}

/* --- Layout Utilities --- */
.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}

.section {
  padding: var(--section-padding-y) 0;
}

.section-sm {
  padding: 64px 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-btn);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.hero-ctas .btn-primary,
.cta-section .btn-primary {
  background-color: #F57D27;
  border-color: #F57D27;
}

.hero-ctas .btn-primary:hover,
.cta-section .btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-secondary:hover {
  background-color: var(--surface);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
  padding: 10px 14px;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background-color: var(--surface);
}

.btn-lg {
  padding: 13px 28px;
  font-size: 1rem;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.875rem;
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 60px;
  gap: 0;
}

.nav-logo {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  margin-right: 32px;
}

.nav-logo:hover {
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background-color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background-color: var(--surface);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-left: auto;
}

.nav-actions a:not(.btn-signup) {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color 0.15s;
}

.nav-actions .btn {
  border-radius: var(--radius-btn);
}

.nav-actions a.btn-primary,
.nav-actions a.btn-primary:hover {
  color: #fff;
}

.nav-actions a:not(.btn-signup):hover,
.nav-actions a.active {
  color: var(--text-primary);
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  flex-direction: column;
  gap: 5px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
  gap: 4px;
}

.nav-mobile a {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color 0.15s;
}

.nav-mobile a:last-child {
  border-bottom: none;
}

.nav-mobile a:hover {
  color: var(--text-primary);
}

.nav-mobile .btn {
  margin-top: 12px;
  justify-content: center;
}

/* --- Footer --- */
.footer {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  padding: 64px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-col ul li a:hover {
  color: var(--text-primary);
}

.footer-col p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.footer-col a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 28px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --- Hero --- */
.hero {
  padding: 75px 0 80px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  max-width: 820px;
  margin: 0 auto 20px;
  font-size: clamp(1.69rem, 4.23vw, 2.75rem);
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-ctas .btn-link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 4px;
  transition: color 0.15s;
}

.hero-ctas .btn-link:hover {
  color: var(--text-primary);
}

/* --- Hero Screenshot --- */
.hero-screenshot-wrap {
  margin: 48px -116px 0;
}

.hero-screenshot {
  display: block;
  width: 100%;
  max-width: 1323px;
  margin: 0 auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

/* --- Screenshot Placeholder (small variants — still used in feature sections) --- */
.screenshot-placeholder-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
  padding: 0 24px;
}

.screenshot-placeholder-icon {
  width: 40px;
  height: 40px;
  border: 1.5px dashed var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.screenshot-placeholder-sm {
  aspect-ratio: 16 / 9;
  background-color: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.screenshot-placeholder-sm .screenshot-placeholder-label {
  font-size: 0.75rem;
}

/* --- Proof Points / Feature Sections --- */
.proof-section {
  padding: var(--section-padding-y) 0;
  border-top: 1px solid var(--border-subtle);
}

.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.proof-grid.reverse {
  direction: rtl;
}

.proof-grid.reverse > * {
  direction: ltr;
}

.proof-content {
  max-width: 480px;
}

.proof-content h2 {
  margin-bottom: 16px;
}

.proof-content p {
  margin-bottom: 12px;
}

.proof-content p:last-of-type {
  margin-bottom: 0;
}

.proof-visual {
  width: 100%;
}

/* --- Pricing Comparison Table --- */
.pricing-table {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(12, auto);
  grid-auto-flow: column;
  column-gap: 24px;
  row-gap: 0;
  margin-top: 20px;
}

#plans-heading {
  font-size: clamp(1.2rem, 2.8vw, 1.8rem);
}

.pt-col {
  display: contents;
}

.pt-header {
  padding: 46px 24px 16px;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 1px 1px 0 0;
}

.pt-header .price {
  font-size: clamp(1.1rem, 2vw, 1.375rem);
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 8px 0 4px;
}

.pt-header.pt-monthly {
  background: var(--surface-2);
  border-color: var(--accent);
}

.pt-plan-name {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.pt-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.pt-cell {
  padding: 9px 24px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 9px;
  background: var(--surface);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border-subtle);
}

.pt-cell.pt-monthly {
  background: var(--surface-2);
  border-left-color: var(--accent);
  border-right-color: var(--accent);
}

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

.pt-cell.pt-cell-empty {
  border-bottom-color: transparent;
  pointer-events: none;
}

.pt-check-icon {
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  color: var(--accent);
  margin-top: 3px;
}

.pt-dash {
  flex-shrink: 0;
  width: 15px;
  text-align: center;
  color: var(--text-muted);
}

.pt-footer {
  padding: 16px 24px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 1px 1px;
}

.pt-footer.pt-monthly {
  background: var(--surface-2);
  border-color: var(--accent);
}

.pt-footer .btn {
  width: 100%;
  justify-content: center;
}

@media (max-width: 680px) {
  .pricing-table {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 0;
  }
  .pt-col {
    display: block;
    border: 1px solid var(--border);
    border-radius: 1px;
    overflow: hidden;
  }
  .pt-col.pt-col-monthly {
    border-color: var(--accent);
    background: var(--surface-2);
  }
  .pt-header,
  .pt-cell,
  .pt-footer {
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
}

/* --- Three-Column Grid --- */
.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* --- Card --- */
.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
}

.card-featured {
  background-color: var(--surface-2);
  border-color: var(--accent);
  position: relative;
}

.card-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 1px;
  white-space: nowrap;
}

.card h3 {
  margin-bottom: 4px;
}

.card .price {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.1;
  margin: 16px 0 4px;
}

.card .price-sub {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.card ul.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.card ul.feature-list li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.card ul.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3 8l3.5 3.5L13 4.5' stroke='%233b82f6' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

.card .btn {
  width: 100%;
  justify-content: center;
}

/* --- Checklist Grid --- */
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 32px;
}

.checklist-category-heading {
  grid-column: 1 / -1;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  margin-top: 28px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-subtle);
}

.checklist-category-heading:first-child {
  margin-top: 0;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  padding: 8px 0;
}

.check-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  color: var(--accent);
}

/* --- Accordion / FAQ --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 1px;
  overflow: hidden;
}

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

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  letter-spacing: 0.03em;
  transition: background-color 0.15s;
}

.faq-question:hover {
  background-color: var(--surface);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

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

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-answer.open {
  display: block;
}

/* --- Section Heading --- */
.section-heading {
  text-align: center;
  margin-bottom: 56px;
}

.section-heading h2 {
  margin-bottom: 12px;
}

.section-heading p {
  font-size: 1.0625rem;
  max-width: 560px;
  margin: 0 auto;
}

/* --- Migration steps --- */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: step;
}

.step-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.step-item:last-child {
  border-bottom: none;
}

.step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--accent-subtle);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
}

.step-content h4 {
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.9375rem;
}

/* --- Promo section --- */
.promo-box {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1px;
  padding: 40px;
}

.promo-box h3 {
  margin-bottom: 12px;
}

.promo-box p {
  margin-bottom: 24px;
  max-width: 560px;
}

/* --- CTA Section --- */
.cta-section {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 1.0625rem;
  max-width: 480px;
  margin: 0 auto 32px;
}

.cta-section .btn-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Switch-from-ONE why section --- */
.reasons-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.reason-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: flex-start;
}

.reason-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-card);
  background-color: var(--accent-subtle);
  border: 1px solid rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.reason-icon svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.reason-content h4 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.reason-content p {
  font-size: 0.9375rem;
}

/* --- Broker sections --- */
.broker-section {
  padding: var(--section-padding-y) 0;
  border-top: 1px solid var(--border-subtle);
}

.broker-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 4px 10px;
  background-color: var(--accent-subtle);
  border-radius: var(--radius-sm);
}

/* --- Legal pages --- */
.legal-content {
  max-width: 720px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 8px;
}

.legal-content .legal-date {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 48px;
  display: block;
}

.legal-content section {
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.legal-content p {
  margin-bottom: 12px;
}

.legal-content ul.disc {
  list-style: disc;
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.legal-content ul.disc li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
}

/* --- Text utilities --- */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

/* --- Responsive --- */
@media (max-width: 1360px) {
  .hero-screenshot-wrap {
    margin-left: 0;
    margin-right: 0;
  }
}

@media (max-width: 960px) {
  .three-col {
    grid-template-columns: 1fr 1fr;
  }
  .checklist-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
  .proof-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .proof-grid.reverse {
    direction: ltr;
  }
  .proof-content {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding-y: var(--section-padding-y-mobile);
  }

  h1 { letter-spacing: -0.01em; }

  .nav-links,
  .nav-actions {
    display: none;
  }
  .nav-hamburger {
    display: flex;
    margin-left: auto;
  }
  .nav-mobile.open {
    display: flex;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
    max-width: 320px;
    margin: 0 auto;
  }

  .hero-ctas .btn {
    justify-content: center;
  }

  .three-col {
    grid-template-columns: 1fr;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .promo-box {
    padding: 28px 20px;
  }
  .cta-section {
    padding: 64px 0;
  }
}

@media (max-width: 480px) {
  :root {
    --content-padding: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .checklist-grid {
    grid-template-columns: 1fr;
  }
  .card {
    padding: 20px;
  }
}