/* Boxabl design system. Built to DESIGN.md. Tokens are the contract. */

/* Dev: load fonts from Google. Production should self-host Archivo, Inter, Space Mono. */
@import url("https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800&family=Inter:wght@400;500;600&family=Space+Mono&display=swap");

/* ---------------------------------------------------------------------------
   1. Tokens
--------------------------------------------------------------------------- */
:root {
  /* Core color */
  --color-ink: #0B0E11;
  --color-ink-soft: #171A1E;
  --color-surface: #FFFFFF;
  --color-surface-raised: #F6F6F4;
  --color-surface-sunken: #EDEDEA;
  --color-text: #0B0E11;
  --color-text-muted: #5B5F64;
  --color-text-inverse: #F6F6F4;
  --color-text-inverse-muted: #9CA1A7;
  --color-border: #E2E2DE;
  --color-border-strong: #C9C9C4;
  --color-border-dark: #2A2E33;

  /* Accent */
  --color-accent: #FFA400;
  --color-accent-hover: #E89200;
  --color-accent-ink: #0B0E11;
  --color-accent-tint: #FFF4E0;

  /* Functional */
  --color-success: #1F9D57;
  --color-error: #C2362B;
  --color-error-tint: #FBE9E7;
  --color-focus: #2B6CFF;

  /* Type families */
  --font-display: "Archivo", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Space Mono", "SFMono-Regular", ui-monospace, monospace;

  /* Type scale */
  --text-display: clamp(2.75rem, 6vw, 4.5rem);
  --text-h1: clamp(2.25rem, 4vw, 3rem);
  --text-h2: 2.25rem;
  --text-h3: 1.5rem;
  --text-h4: 1.25rem;
  --text-lead: 1.25rem;
  --text-body: 1.0625rem;
  --text-small: 0.9375rem;
  --text-eyebrow: 0.8125rem;
  --text-micro: 0.75rem;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Widths */
  --width-prose: 720px;
  --width-content: 1080px;
  --width-wide: 1280px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(11,14,17,0.06), 0 2px 8px rgba(11,14,17,0.04);
  --shadow-md: 0 4px 16px rgba(11,14,17,0.08);
  --shadow-focus: 0 0 0 3px rgba(43,108,255,0.45);

  /* Gutter */
  --gutter: clamp(20px, 5vw, 80px);
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button { font: inherit; cursor: pointer; }

ul, ol { list-style: none; }

/* ---------------------------------------------------------------------------
   3. Base typography
--------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-stretch: 125%;
  line-height: 1.15;
}

h1 { font-size: var(--text-h1); line-height: 1.08; letter-spacing: -0.01em; }
h2 { font-size: var(--text-h2); letter-spacing: -0.01em; }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); font-weight: 500; line-height: 1.3; }

p { font-size: var(--text-body); }

.mono { font-family: var(--font-mono); }

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

.content {
  width: 100%;
  max-width: var(--width-content);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.text-column { max-width: 68ch; }

.section {
  padding-block: var(--space-9);
  background: var(--color-surface);
}
.section--raised { background: var(--color-surface-raised); }
.section--ink {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}
.section--accent {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

@media (max-width: 767px) {
  .section { padding-block: var(--space-7); }
}

.section__head { max-width: var(--width-prose); margin-bottom: var(--space-7); }
.section__head p { margin-top: var(--space-4); }

/* ---------------------------------------------------------------------------
   5. Eyebrow, lead, micro
--------------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-4);
}
.eyebrow--accent { color: var(--color-accent); }
.section--ink .eyebrow { color: var(--color-text-inverse-muted); }
.section--ink .eyebrow--accent { color: var(--color-accent); }

.lead {
  font-size: var(--text-lead);
  line-height: 1.5;
  font-weight: 400;
  max-width: 60ch;
}

.text-micro {
  font-size: var(--text-micro);
  line-height: 1.4;
  color: var(--color-text-muted);
}
.section--ink .text-micro { color: var(--color-text-inverse-muted); }
.section--accent .text-micro { color: var(--color-accent-ink); }

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

/* ---------------------------------------------------------------------------
   6. Buttons
--------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}
.btn:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

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

.btn--secondary {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}
.btn--secondary:hover { background: var(--color-ink-soft); }

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn--ghost:hover { background: var(--color-surface-raised); }
.section--ink .btn--ghost,
.hero .btn--ghost {
  color: var(--color-text-inverse);
  border-color: var(--color-border-dark);
}
.section--ink .btn--ghost:hover,
.hero .btn--ghost:hover { background: var(--color-ink-soft); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* ---------------------------------------------------------------------------
   7. Badge / tag
--------------------------------------------------------------------------- */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
}
.badge--accent { background: var(--color-accent-tint); color: var(--color-accent-ink); }

/* ---------------------------------------------------------------------------
   8. Cards
--------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-7);
}
@media (min-width: 768px) { .card-grid--2up { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .card-grid--3up { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid--3up { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { .card-grid--4up { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid--4up { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.section--raised .card { background: var(--color-surface); }
.section--ink .card {
  background: var(--color-ink-soft);
  border-color: var(--color-border-dark);
}
.card h3 { margin-bottom: var(--space-3); }
.card p { font-size: var(--text-small); color: var(--color-text-muted); }
.section--ink .card p { color: var(--color-text-inverse-muted); }

@media (max-width: 767px) { .card { padding: var(--space-5); } }

/* Spec card: mono value foregrounded */
.spec-card {
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.spec-card .spec-value {
  font-family: var(--font-mono);
  font-size: var(--text-h2);
  line-height: 1.1;
  color: var(--color-text);
  display: block;
}
.spec-card .spec-label {
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* ---------------------------------------------------------------------------
   9. Process timeline (numbered, sanctioned)
--------------------------------------------------------------------------- */
.process { margin-top: var(--space-7); display: grid; gap: 0; max-width: var(--width-prose); }
.process__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.section--raised .process__step { border-color: var(--color-border-strong); }
.process__step:last-child { border-bottom: 1px solid var(--color-border); }
.section--raised .process__step:last-child { border-color: var(--color-border-strong); }
.process__num {
  font-family: var(--font-mono);
  font-size: var(--text-h3);
  color: var(--color-accent);
  line-height: 1.1;
}
.process__title { font-size: var(--text-h4); font-weight: 500; margin-bottom: var(--space-2); }
.process__body { font-size: var(--text-small); color: var(--color-text-muted); }

/* ---------------------------------------------------------------------------
   10. Hero
--------------------------------------------------------------------------- */
.hero {
  background: var(--color-ink);
  color: var(--color-text-inverse);
  padding-block: var(--space-9) var(--space-9);
}
@media (min-width: 1024px) { .hero { padding-top: var(--space-10); } }

.hero__inner { display: grid; gap: var(--space-8); }
.hero h1 {
  font-size: var(--text-display);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.01em;
  max-width: 16ch;
}
.hero .lead { color: var(--color-text-inverse-muted); margin-top: var(--space-5); }

.hero-media {
  aspect-ratio: 16 / 9;
  width: 100%;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ink-soft);
  color: var(--color-text-inverse-muted);
  font-size: var(--text-small);
}

/* Generic image placeholder (light sections) */
.media-placeholder {
  aspect-ratio: 16 / 9;
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
  font-size: var(--text-small);
}

/* ---------------------------------------------------------------------------
   11. Navigation
--------------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-ink);
  border-bottom: 1px solid var(--color-border-dark);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 72px;
}
.nav__logo img { height: 22px; width: auto; }
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav__link {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-inverse);
  transition: color 150ms ease;
}
.nav__link:hover { color: var(--color-accent); }
.nav__cta { margin-left: var(--space-3); }

.nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-inverse);
}

/* Mobile nav: CSS-only checkbox toggle */
.nav__check { display: none; }

@media (max-width: 1023px) {
  .nav__inner { position: relative; }
  .nav__toggle { display: inline-flex; align-items: center; }
  .nav__menu {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--color-ink);
    border-bottom: 1px solid var(--color-border-dark);
    box-shadow: var(--shadow-md);
    padding: var(--space-5) var(--gutter) var(--space-7);
  }
  .nav__check:checked ~ .nav__menu { display: block; }
  .nav__links {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }
  .nav__link { padding-block: var(--space-3); }
  .nav__cta { margin-left: 0; margin-top: var(--space-4); }
  .nav__cta .btn { width: 100%; }
}

/* ---------------------------------------------------------------------------
   12. Footer
--------------------------------------------------------------------------- */
.footer {
  background: var(--color-ink-soft);
  color: var(--color-text-inverse);
  padding-block: var(--space-9) var(--space-7);
}
.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .footer__top { grid-template-columns: 1.5fr repeat(3, 1fr); }
}
.footer__logo img { height: 22px; width: auto; margin-bottom: var(--space-5); }
.footer__tagline { font-size: var(--text-small); color: var(--color-text-inverse-muted); max-width: 32ch; }
.footer__col h2 {
  font-size: var(--text-eyebrow);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-inverse-muted);
  margin-bottom: var(--space-4);
  font-stretch: normal;
}
.footer__col ul { display: grid; gap: var(--space-3); }
.footer__link {
  font-size: var(--text-small);
  color: var(--color-text-inverse-muted);
  transition: color 150ms ease;
}
.footer__link:hover { color: var(--color-text-inverse); }

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-dark);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
}
.footer__legal { font-size: var(--text-micro); color: var(--color-text-inverse-muted); }
.footer__legal-links { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.footer__legal-links a { font-size: var(--text-micro); color: var(--color-text-inverse-muted); }
.footer__legal-links a:hover { color: var(--color-text-inverse); }

/* ---------------------------------------------------------------------------
   13. Prose content (hub-page body copy)
--------------------------------------------------------------------------- */
.prose { max-width: var(--width-prose); }
.prose > * + * { margin-top: var(--space-5); }
.prose h3 { margin-top: var(--space-7); }
.prose p { color: var(--color-text-muted); }
.section--ink .prose p { color: var(--color-text-inverse-muted); }
.prose a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 3px;
  transition: color 150ms ease;
}
.prose a:hover { color: var(--color-accent-hover); }
.section--ink .prose a { color: var(--color-text-inverse); }
.prose ul { display: grid; gap: var(--space-3); padding-left: var(--space-5); }
.prose ul li {
  list-style: disc;
  font-size: var(--text-body);
  color: var(--color-text-muted);
}
.section--ink .prose ul li { color: var(--color-text-inverse-muted); }
.prose ul li strong, .prose p strong { color: var(--color-text); font-weight: 600; }
.section--ink .prose ul li strong, .section--ink .prose p strong { color: var(--color-text-inverse); }

/* Feature list: hairline-ruled rows, no bullets */
.feature-list { display: grid; gap: 0; margin-top: var(--space-7); max-width: var(--width-prose); }
.feature-list li {
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-body);
  color: var(--color-text-muted);
}
.feature-list li:last-child { border-bottom: 1px solid var(--color-border); }
.feature-list li strong { color: var(--color-text); font-weight: 600; }

/* ---------------------------------------------------------------------------
   14. Spec table / cost table (spec-block pattern)
--------------------------------------------------------------------------- */
.spec-table-wrap {
  margin-top: var(--space-7);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  background: var(--color-surface-sunken);
}
.section--raised .spec-table-wrap { background: var(--color-surface); }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-top: 1px solid var(--color-border);
  font-size: var(--text-small);
}
.spec-table thead th {
  border-top: none;
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: 500;
}
.spec-table tbody tr:first-child td { border-top: 1px solid var(--color-border-strong); }
.spec-table .spec-label-cell { color: var(--color-text-muted); }
.spec-table .spec-value-cell {
  font-family: var(--font-mono);
  text-align: right;
  color: var(--color-text);
  white-space: nowrap;
}

/* ---------------------------------------------------------------------------
   15. FAQ accordion (CSS-only details/summary, crawlable static HTML)
--------------------------------------------------------------------------- */
.faq-list { margin-top: var(--space-7); max-width: var(--width-prose); }
.faq-item {
  border-top: 1px solid var(--color-border);
}
.faq-item:last-child { border-bottom: 1px solid var(--color-border); }
.faq-item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-h4);
  font-weight: 500;
  font-stretch: 125%;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--text-h3);
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
}
.faq-item[open] > summary::after { content: "\2212"; }
.faq-item > summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.faq-answer {
  padding-bottom: var(--space-5);
  font-size: var(--text-body);
  color: var(--color-text-muted);
  max-width: 68ch;
}
.faq-answer .text-micro { display: block; margin-top: var(--space-3); }

/* ---------------------------------------------------------------------------
   16. Disclaimer note (small print at top of legal-sensitive pages)
--------------------------------------------------------------------------- */
.disclaimer-note {
  font-size: var(--text-micro);
  color: var(--color-text-muted);
  max-width: var(--width-prose);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* Inline price disclaimer block beneath pricing figures */
.price-disclaimer { margin-top: var(--space-4); max-width: var(--width-prose); }