/* ==========================================================================
   Napolinoir — global.css
   Design system derived from DESIGN-framer.md
   Dark canvas · white display type · single blue accent · pill CTAs
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #ffffff;
  --color-on-primary: #000000;
  --color-accent-blue: #0099ff;
  --color-ink: #ffffff;
  --color-ink-muted: #999999;
  --color-canvas: #090909;
  --color-surface-1: #141414;
  --color-surface-2: #1c1c1c;
  --color-hairline: #262626;
  --color-hairline-soft: #1a1a1a;
  --color-inverse-canvas: #ffffff;
  --color-inverse-ink: #000000;
  --color-gradient-magenta: #d44df0;
  --color-gradient-violet: #6a4cf5;
  --color-gradient-orange: #ff7a3d;
  --color-gradient-coral: #ff5577;
  --color-success: #22c55e;

  /* Type families */
  --font-display: "Mona Sans", "Geist", "Inter Variable", Inter, -apple-system,
    BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-body: "Inter Variable", Inter, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Helvetica, Arial, sans-serif;

  /* Type scale — size / line-height / tracking */
  --fs-display-xxl: 110px;  --lh-display-xxl: 0.85;  --ls-display-xxl: -0.05em;
  --fs-display-xl:  85px;   --lh-display-xl:  0.95;  --ls-display-xl:  -0.05em;
  --fs-display-lg:  62px;   --lh-display-lg:  1.00;  --ls-display-lg:  -0.05em;
  --fs-display-md:  32px;   --lh-display-md:  1.13;  --ls-display-md:  -0.031em;
  --fs-headline:    22px;   --lh-headline:    1.20;  --ls-headline:    -0.036em;
  --fs-subhead:     24px;   --lh-subhead:     1.30;  --ls-subhead:     0em;
  --fs-body-lg:     18px;   --lh-body-lg:     1.30;  --ls-body-lg:     -0.01em;
  --fs-body:        15px;   --lh-body:        1.30;  --ls-body:        -0.01em;
  --fs-body-sm:     14px;   --lh-body-sm:     1.40;  --ls-body-sm:     -0.01em;
  --fs-caption:     13px;   --lh-caption:     1.20;  --ls-caption:     -0.01em;
  --fs-micro:       12px;   --lh-micro:       1.20;  --ls-micro:       -0.01em;
  --fs-button:      14px;   --lh-button:      1.0;   --ls-button:      -0.01em;

  /* Radius */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 15px;
  --r-xl: 20px;
  --r-xxl: 30px;
  --r-pill: 100px;
  --r-full: 9999px;

  /* Spacing — Framer 5px base */
  --s-hair: 1px;
  --s-xxs: 4px;
  --s-xs: 8px;
  --s-sm: 12px;
  --s-md: 15px;
  --s-lg: 20px;
  --s-xl: 30px;
  --s-xxl: 40px;
  --s-section: 96px;

  /* Layout */
  --container: 1160px;
  --container-narrow: 820px;
  --nav-height: 56px;

  /* Elevation */
  --elev-2: inset 0 0.5px 0 rgba(255, 255, 255, 0.10),
            0 10px 30px rgba(0, 0, 0, 0.25);
  --elev-focus: 0 0 0 3px rgba(0, 153, 255, 0.35);
}

/* --------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--s-lg));
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  line-height: 1.62;
  letter-spacing: var(--ls-body-lg);
  font-feature-settings: "cv01", "cv05", "cv09", "cv11", "ss03", "ss07";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

img { height: auto; border-radius: var(--r-lg); }

ul, ol { padding-left: 1.15em; }

hr {
  border: 0;
  border-top: 1px solid var(--color-hairline-soft);
  margin: var(--s-xl) 0;
}

::selection {
  background: var(--color-accent-blue);
  color: var(--color-primary);
}

:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 var(--s-md);
  color: var(--color-ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(38px, 7.2vw, var(--fs-display-xl));
  line-height: var(--lh-display-xl);
  letter-spacing: var(--ls-display-xl);
}

h2 {
  font-size: clamp(28px, 4.6vw, 46px);
  line-height: 1.05;
  letter-spacing: -0.042em;
  margin-top: var(--s-xxl);
}

h3 {
  font-size: clamp(21px, 2.6vw, var(--fs-display-md));
  line-height: var(--lh-display-md);
  letter-spacing: var(--ls-display-md);
  margin-top: var(--s-xl);
}

h4 {
  font-family: var(--font-body);
  font-size: var(--fs-headline);
  font-weight: 700;
  line-height: var(--lh-headline);
  letter-spacing: var(--ls-headline);
}

p { margin: 0 0 var(--s-lg); }

.lead {
  font-size: clamp(19px, 2.2vw, var(--fs-subhead));
  line-height: var(--lh-subhead);
  letter-spacing: var(--ls-subhead);
  color: var(--color-ink-muted);
}

.eyebrow {
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0 0 var(--s-md);
}

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

.meta {
  font-size: var(--fs-caption);
  color: var(--color-ink-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-sm);
  align-items: center;
}

small, .micro {
  font-size: var(--fs-micro);
  line-height: var(--lh-micro);
  color: var(--color-ink-muted);
}

a {
  color: var(--color-accent-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover { text-decoration-thickness: 2px; }

strong { font-weight: 600; color: var(--color-ink); }

/* --------------------------------------------------------------------------
   4. Layout utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--s-lg);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--s-lg);
}

.section { padding-block: clamp(48px, 8vw, var(--s-section)); }
.section-tight { padding-block: clamp(36px, 5vw, 64px); }

.grid { display: grid; gap: var(--s-lg); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.stack-sm > * + * { margin-top: var(--s-sm); }
.divider { border-top: 1px solid var(--color-hairline-soft); }

/* --------------------------------------------------------------------------
   5. Icons
   -------------------------------------------------------------------------- */
.icon {
  width: 24px;
  height: 24px;
  flex: none;
  display: inline-block;
  vertical-align: middle;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-sm { width: 16px; height: 16px; }
.icon-md { width: 20px; height: 20px; }
.icon-solid { fill: currentColor; stroke: none; }

.icon-ok { color: var(--color-success); }
.icon-no { color: var(--color-ink-muted); }

.icon-sprite { display: none; }

/* --------------------------------------------------------------------------
   6. Buttons — always pills
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-xs);
  min-height: 44px;
  padding: 10px 20px;
  border: 0;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: var(--fs-button);
  font-weight: 500;
  line-height: var(--lh-button);
  letter-spacing: var(--ls-button);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.btn-primary:hover { background: #e8e8e8; color: var(--color-on-primary); }

.btn-secondary {
  background: var(--color-surface-1);
  color: var(--color-ink);
}

.btn-secondary:hover { background: var(--color-surface-2); color: var(--color-ink); }

.btn-translucent {
  background: var(--color-surface-2);
  color: var(--color-ink);
  border-radius: var(--r-xxl);
  padding: 8px 18px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-sm);
  margin-block: var(--s-lg);
}

/* --------------------------------------------------------------------------
   7. Header / top-nav
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline-soft);
}

.nav-inner {
  max-width: var(--container);
  margin-inline: auto;
  min-height: var(--nav-height);
  padding: var(--s-xs) var(--s-lg);
  display: flex;
  align-items: center;
  gap: var(--s-lg);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-xs);
  color: var(--color-ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.04em;
  flex: none;
}

.brand:hover { color: var(--color-ink); text-decoration: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-lg);
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
  justify-content: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--color-ink-muted);
  text-decoration: none;
  font-size: var(--fs-body-sm);
  font-weight: 500;
  letter-spacing: var(--ls-body-sm);
  white-space: nowrap;
}

.nav-links a:hover { color: var(--color-ink); }

.nav-cta { flex: none; }

.nav-toggle {
  display: none;
  background: var(--color-surface-1);
  color: var(--color-ink);
  border: 0;
  border-radius: var(--r-full);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Mobile nav via checkbox — no JS */
.nav-check { position: absolute; opacity: 0; pointer-events: none; }

/* --------------------------------------------------------------------------
   8. Hero
   -------------------------------------------------------------------------- */
.hero {
  padding-block: clamp(48px, 9vw, 120px) clamp(36px, 6vw, 72px);
}

.hero h1 { margin-bottom: var(--s-lg); }
.hero .lead { max-width: 62ch; }

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-xl);
  margin-top: var(--s-xxl);
  padding-top: var(--s-lg);
  border-top: 1px solid var(--color-hairline-soft);
}

.hero-fact strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-display-md);
  line-height: 1.1;
  letter-spacing: var(--ls-display-md);
}

.hero-fact span {
  font-size: var(--fs-caption);
  color: var(--color-ink-muted);
}

/* --------------------------------------------------------------------------
   9. Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-surface-1);
  border-radius: var(--r-xl);
  padding: 24px;
}

.card-featured { background: var(--color-surface-2); }

.card h3, .card h4 { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }

.template-card {
  background: var(--color-surface-1);
  border-radius: var(--r-lg);
  padding: 12px;
  font-size: var(--fs-body-sm);
}

.mockup-tile {
  background: var(--color-surface-1);
  border-radius: var(--r-xl);
  padding: 16px;
  box-shadow: var(--elev-2);
}

/* Signature gradient spotlight card — max 1–2 per page */
.spotlight {
  border-radius: var(--r-xxl);
  padding: 32px;
  color: var(--color-ink);
  font-size: clamp(19px, 2vw, var(--fs-subhead));
  line-height: var(--lh-subhead);
}

.spotlight h2,
.spotlight h3 { color: var(--color-ink); margin-top: 0; }
.spotlight p:last-child { margin-bottom: 0; }
.spotlight a { color: var(--color-ink); }

.spotlight-violet {
  background: linear-gradient(135deg, var(--color-gradient-violet) 0%,
              var(--color-gradient-magenta) 100%);
}

.spotlight-magenta {
  background: linear-gradient(135deg, var(--color-gradient-magenta) 0%,
              var(--color-gradient-coral) 100%);
}

.spotlight-orange {
  background: linear-gradient(135deg, var(--color-gradient-orange) 0%,
              var(--color-gradient-coral) 100%);
}

.spotlight .btn-primary { background: var(--color-primary); color: var(--color-on-primary); }

/* Callout — legal / info notes */
.callout {
  display: flex;
  gap: var(--s-md);
  background: var(--color-surface-1);
  border-radius: var(--r-md);
  padding: var(--s-lg);
  font-size: var(--fs-body);
  line-height: 1.55;
}

.callout > :last-child { margin-bottom: 0; }
.callout .icon { color: var(--color-accent-blue); margin-top: 2px; }

/* --------------------------------------------------------------------------
   10. Lists with icons
   -------------------------------------------------------------------------- */
.list-check,
.list-cross {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--s-lg);
}

.list-check li,
.list-cross li {
  display: flex;
  gap: var(--s-sm);
  align-items: flex-start;
  padding: 6px 0;
  font-size: var(--fs-body-lg);
}

.list-check .icon { color: var(--color-success); margin-top: 4px; }
.list-cross .icon { color: var(--color-ink-muted); margin-top: 4px; }

/* --------------------------------------------------------------------------
   11. Tables — collapse to cards below 810px
   -------------------------------------------------------------------------- */
.table-wrap { margin-block: var(--s-lg); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-body-sm);
  letter-spacing: var(--ls-body-sm);
}

caption {
  caption-side: top;
  text-align: left;
  font-size: var(--fs-caption);
  color: var(--color-ink-muted);
  padding-bottom: var(--s-sm);
}

th, td {
  text-align: left;
  padding: 12px var(--s-sm);
  border-bottom: 1px solid var(--color-hairline-soft);
  vertical-align: top;
}

thead th {
  color: var(--color-ink);
  font-weight: 600;
  border-bottom: 1px solid var(--color-hairline);
}

tbody td { color: var(--color-ink-muted); }
tbody th { color: var(--color-ink); font-weight: 600; }

/* --------------------------------------------------------------------------
   12. FAQ — native details/summary
   -------------------------------------------------------------------------- */
.faq { margin-block: var(--s-lg); }

.faq-row {
  background: var(--color-canvas);
  border-radius: var(--r-md);
  border-bottom: 1px solid var(--color-hairline-soft);
  padding: 24px 0;
}

.faq-row summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-md);
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-body-lg);
  font-weight: 500;
  color: var(--color-ink);
}

.faq-row summary::-webkit-details-marker { display: none; }

.faq-row summary .icon {
  transition: transform 0.2s ease;
  color: var(--color-ink-muted);
  margin-top: 2px;
}

.faq-row[open] summary .icon { transform: rotate(180deg); }

.faq-row .faq-answer {
  padding-top: var(--s-md);
  color: var(--color-ink-muted);
  font-size: var(--fs-body-lg);
}

.faq-row .faq-answer > :last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   13. Table of contents
   -------------------------------------------------------------------------- */
.toc {
  background: var(--color-surface-1);
  border-radius: var(--r-xl);
  padding: 24px;
  margin-block: var(--s-xl);
}

.toc h2 {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0 0 var(--s-sm);
}

.toc ol {
  margin: 0;
  padding-left: 1.2em;
  columns: 2;
  column-gap: var(--s-xl);
  font-size: var(--fs-body);
}

.toc li { margin-bottom: 6px; break-inside: avoid; }

/* --------------------------------------------------------------------------
   14. Steps
   -------------------------------------------------------------------------- */
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-full);
  background: var(--color-surface-2);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--fs-body-lg);
  font-weight: 600;
  margin-bottom: var(--s-sm);
}

/* --------------------------------------------------------------------------
   15. Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  font-size: var(--fs-caption);
  color: var(--color-ink-muted);
  padding-top: var(--s-lg);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-xs);
  margin: 0;
  padding: 0;
}

.breadcrumb li + li::before { content: "/"; margin-right: var(--s-xs); }

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-canvas);
  border-top: 1px solid var(--color-hairline-soft);
  color: var(--color-ink-muted);
  font-size: var(--fs-caption);
  padding: 64px var(--s-lg) var(--s-xl);
  margin-top: var(--s-section);
}

.footer-inner {
  max-width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--s-xl);
}

.site-footer h4 {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink);
  margin: 0 0 var(--s-sm);
}

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: var(--s-xs); }

.site-footer a {
  color: var(--color-ink-muted);
  text-decoration: none;
}

.site-footer a:hover { color: var(--color-ink); text-decoration: underline; }

.footer-bottom {
  max-width: var(--container);
  margin: var(--s-xl) auto 0;
  padding-top: var(--s-lg);
  border-top: 1px solid var(--color-hairline-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-sm);
  font-size: var(--fs-micro);
}

/* --------------------------------------------------------------------------
   17. Responsive — 810px tablet, then mobile
   -------------------------------------------------------------------------- */
@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 810px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  .toc ol { columns: 1; }

  .nav-toggle { display: inline-flex; order: 3; }

  .nav-inner { flex-wrap: wrap; gap: var(--s-sm); }

  .brand { margin-right: auto; }

  .nav-cta { order: 2; }

  .nav-links {
    order: 4;
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-sm);
    padding-bottom: var(--s-md);
  }

  .nav-check:checked ~ .nav-links { display: flex; }

  .nav-links a { font-size: var(--fs-body-lg); }

  /* Comparison tables become per-item blocks */
  table.responsive-table,
  table.responsive-table thead,
  table.responsive-table tbody,
  table.responsive-table tr,
  table.responsive-table th,
  table.responsive-table td { display: block; width: 100%; }

  table.responsive-table thead { display: none; }

  table.responsive-table tr {
    background: var(--color-surface-1);
    border-radius: var(--r-xl);
    padding: var(--s-md);
    margin-bottom: var(--s-sm);
  }

  table.responsive-table td,
  table.responsive-table th { border-bottom: 0; padding: 6px 0; }

  table.responsive-table td::before {
    content: attr(data-label);
    display: block;
    font-size: var(--fs-micro);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-ink-muted);
    margin-bottom: 2px;
  }

  .footer-inner { grid-template-columns: 1fr; }
  .site-footer { margin-top: 64px; }
}

@media (max-width: 480px) {
  .hero-facts { gap: var(--s-lg); }
  .card, .toc { padding: var(--s-lg); }
  .spotlight { padding: var(--s-lg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}