/* ============================================================
   Bellows landing page — design tokens
   Source: plans/design-file.md (lines 160–200)
   ============================================================ */

:root {
  --ink:               #0F0F10;
  --ink-soft:          rgba(15, 15, 16, 0.6);
  --ink-faint:         rgba(15, 15, 16, 0.12);
  --ink-container:     #E6E2D9;
  --paper:             #F2EEE7;
  --paper-soft:        rgba(242, 238, 231, 0.6);
  --paper-faint:       rgba(242, 238, 231, 0.12);
  --paper-container:   #1C1C1D;

  --bg:                var(--paper);
  --fg:                var(--ink);
  --fg-muted:          var(--ink-soft);
  --border:            var(--ink-faint);
  --surface-raised:    var(--ink-container);
  --cta-fill:          var(--ink);
  --cta-fg:            var(--paper);

  --r-sm:  8px;
  --r-md:  16px;
  --r-lg:  20px;
  --r-xl:  28px;

  --font-sans: "Space Grotesk", -apple-system, BlinkMacSystemFont,
    "Segoe UI", system-ui, sans-serif;

  --max-width: 1120px;
  --gutter:    24px;

  --space-4:  4px;
  --space-8:  8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-96: 96px;

  --display-large:    700 57px/64px var(--font-sans);
  --display-medium:   700 45px/52px var(--font-sans);
  --display-small:    500 36px/44px var(--font-sans);
  --headline-large:   700 32px/40px var(--font-sans);
  --headline-medium:  700 28px/36px var(--font-sans);
  --headline-small:   500 24px/32px var(--font-sans);
  --title-large:      500 22px/28px var(--font-sans);
  --title-medium:     500 16px/24px var(--font-sans);
  --title-small:      500 14px/20px var(--font-sans);
  --body-large:       400 16px/24px var(--font-sans);
  --body-medium:      400 14px/20px var(--font-sans);
  --body-small:       400 12px/16px var(--font-sans);
  --label-large:      500 14px/20px var(--font-sans);
  --label-medium:     500 12px/16px var(--font-sans);
  --label-small:      500 11px/16px var(--font-sans);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:                var(--ink);
    --fg:                var(--paper);
    --fg-muted:          var(--paper-soft);
    --border:            var(--paper-faint);
    --surface-raised:    var(--paper-container);
    --cta-fill:          var(--paper);
    --cta-fg:            var(--ink);
  }
}

/* ============================================================
   Reset / base
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: var(--body-large);
  letter-spacing: 0.5px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font: inherit;
  background: none;
  border: 0;
  color: inherit;
  cursor: pointer;
}

ul { list-style: none; padding: 0; margin: 0; }

:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection {
  background: var(--fg);
  color: var(--bg);
}

/* ============================================================
   Layout primitives
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--space-96) 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section--tight { padding: var(--space-64) 0; }

.eyebrow {
  font: var(--label-small);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  min-height: 48px;
  padding: 0 var(--space-24);
  font: var(--label-large);
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--r-lg);
  transition: background-color 120ms ease, color 120ms ease,
    border-color 120ms ease, transform 120ms ease;
}

.btn--primary {
  background: var(--cta-fill);
  color: var(--cta-fg);
}

.btn--primary:hover { transform: translateY(-1px); }

.btn--primary:active { transform: translateY(0); }

.btn--secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--fg);
  border-radius: var(--r-md);
}

.btn--secondary:hover {
  background: var(--surface-raised);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
  align-items: center;
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  padding: var(--space-96) 0 var(--space-64);
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero__logo {
  width: 240px;
  height: 240px;
  margin: 0 auto var(--space-32);
  position: relative;
}

.hero__logo-img {
  width: 100%;
  height: 100%;
}

.hero__ring {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 280px;
  height: 280px;
  border: 1px solid var(--fg);
  border-radius: 50%;
  opacity: 0.25;
  z-index: 1;
  animation: breathCycle 6s ease-in-out infinite alternate;
}

.hero__ring--inner {
  width: 200px;
  height: 200px;
  opacity: 0.15;
  animation-delay: 0.3s;
  animation-direction: alternate-reverse;
}

@keyframes breathCycle {
  from { transform: scale(0.7);  opacity: 0.08; }
  to   { transform: scale(1.05); opacity: 0.30; }
}

.hero__headline {
  font: var(--display-medium);
  letter-spacing: -0.5px;
  margin: 0 0 var(--space-16);
  text-wrap: balance;
}

.hero__lead {
  font: var(--headline-small);
  font-weight: 500;
  margin: 0 auto var(--space-16);
  max-width: 720px;
  color: var(--fg);
  text-wrap: balance;
}

.hero__sub {
  font: var(--body-large);
  margin: 0 auto var(--space-32);
  max-width: 640px;
  color: var(--fg-muted);
  text-wrap: balance;
}

.hero__ctas {
  justify-content: center;
  margin-bottom: var(--space-64);
}

.hero__cta-primary {
  padding-bottom: env(safe-area-inset-bottom);
}

/* ============================================================
   Value pills row
   ============================================================ */

.pills {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-12);
  margin-top: var(--space-32);
}

.pill {
  padding: var(--space-20);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
  text-align: left;
}

.pill__icon {
  width: 24px;
  height: 24px;
  color: var(--fg);
  margin-bottom: var(--space-12);
}

.pill__eyebrow {
  font: var(--label-small);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 var(--space-4);
}

.pill__title {
  font: var(--title-small);
  font-weight: 500;
  margin: 0;
  color: var(--fg);
  letter-spacing: 0.1px;
  text-wrap: balance;
}

/* ============================================================
   Section heading
   ============================================================ */

.section__heading {
  font: var(--display-small);
  letter-spacing: -0.25px;
  margin: 0 0 var(--space-16);
  max-width: 720px;
}

.section__intro {
  font: var(--body-large);
  color: var(--fg-muted);
  margin: 0 0 var(--space-48);
  max-width: 720px;
}

/* ============================================================
   Privacy promise section
   ============================================================ */

.promise__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-16);
}

.promise__tile {
  padding: var(--space-24);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
}

.promise__tile p {
  margin: 0;
  font: var(--body-medium);
  letter-spacing: 0.25px;
  color: var(--fg);
}

/* ============================================================
   Features
   ============================================================ */

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-16);
}

.feature {
  padding: var(--space-24);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.feature__label {
  font: var(--label-small);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0;
}

.feature__title {
  font: var(--title-large);
  font-weight: 500;
  margin: 0;
  letter-spacing: 0;
  color: var(--fg);
  text-wrap: balance;
}

.feature__body {
  font: var(--body-medium);
  color: var(--fg-muted);
  margin: 0;
  letter-spacing: 0.25px;
}

/* ============================================================
   Pricing
   ============================================================ */

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-16);
}

.pricing__card {
  padding: var(--space-32);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.pricing__name {
  font: var(--title-medium);
  font-weight: 500;
  letter-spacing: 0.15px;
  margin: 0;
  color: var(--fg);
}

.pricing__price {
  font: var(--display-small);
  letter-spacing: -0.25px;
  margin: 0;
  color: var(--fg);
}

.pricing__badge {
  display: inline-block;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--r-sm);
  background: var(--surface-raised);
  font: var(--label-small);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--fg);
  width: max-content;
}

.pricing__line {
  font: var(--body-medium);
  color: var(--fg-muted);
  margin: 0;
  letter-spacing: 0.25px;
}

.pricing__line--strong {
  color: var(--fg);
}

.pricing__notes {
  margin-top: var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.pricing__notes p {
  margin: 0;
  font: var(--body-medium);
  color: var(--fg-muted);
  letter-spacing: 0.25px;
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-48) 0 var(--space-32);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  gap: var(--space-32);
  margin-bottom: var(--space-32);
}

.footer__col h4 {
  font: var(--label-medium);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 var(--space-12);
}

.footer__col p,
.footer__col a {
  font: var(--body-small);
  letter-spacing: 0.4px;
  color: var(--fg);
  margin: 0 0 var(--space-4);
}

.footer__col a:hover { text-decoration: underline; }

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--space-16);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-12);
}

.footer__copy {
  font: var(--body-small);
  letter-spacing: 0.4px;
  color: var(--fg-muted);
  margin: 0;
}

/* ============================================================
   Privacy page (editorial column)
   ============================================================ */

.prose {
  max-width: 720px;
  margin: 0 auto;
}

.prose h1 {
  font: var(--headline-medium);
  letter-spacing: 0;
  margin: 0 0 var(--space-12);
}

.prose .prose__meta {
  font: var(--label-medium);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 var(--space-48);
}

.prose h2 {
  font: var(--headline-small);
  font-weight: 500;
  margin: var(--space-48) 0 var(--space-16);
  letter-spacing: 0;
}

.prose p,
.prose li {
  font: var(--body-large);
  letter-spacing: 0.5px;
  color: var(--fg);
}

.prose p { margin: 0 0 var(--space-16); }

.prose ul {
  list-style: disc;
  padding-left: var(--space-20);
  margin: 0 0 var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-24) 0;
  font: var(--body-medium);
  letter-spacing: 0.25px;
}

.prose th,
.prose td {
  text-align: left;
  padding: var(--space-12) var(--space-16);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.prose th {
  font: var(--label-medium);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: var(--space-48) 0;
}

.prose__back {
  font: var(--label-medium);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: var(--space-32);
  display: inline-block;
}

.prose__back:hover { color: var(--fg); }

.prose__emphasis {
  font: var(--body-medium);
  color: var(--fg-muted);
  letter-spacing: 0.25px;
}

/* ============================================================
   Responsive breakpoints
   ============================================================ */

@media (max-width: 1023px) {
  .pills {
    grid-template-columns: repeat(3, 1fr);
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .promise__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing__grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero__headline { font: var(--display-medium); }

  .section { padding: var(--space-64) 0; }

  .hero { padding: var(--space-64) 0 var(--space-48); }
}

@media (max-width: 639px) {
  .pills {
    grid-template-columns: 1fr;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  .promise__grid {
    grid-template-columns: 1fr;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .hero__headline { font: var(--headline-large); letter-spacing: -0.25px; }

  .hero__lead { font: var(--title-large); }

  .hero__logo { width: 180px; height: 180px; }

  .hero__ring { width: 220px; height: 220px; }
  .hero__ring--inner { width: 140px; height: 140px; }

  .section__heading { font: var(--headline-small); }
  .section__intro { margin-bottom: var(--space-32); }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================
   Reduced motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .hero__ring,
  .hero__ring--inner {
    animation: none;
    transform: scale(0.85);
    opacity: 0.15;
  }

  .btn { transition: none; }
}