/* ==========================================================================
   Northlight LLC — stylesheet
   Self-hosted webfonts, no third-party requests, no inline styles anywhere
   (the Content-Security-Policy in netlify.toml forbids 'unsafe-inline').
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Webfonts
   Source: Google Fonts, both SIL OFL 1.1 (Inter, IBM Plex Mono).
   Fetched once and committed; the browser never talks to a font CDN.
   -------------------------------------------------------------------------- */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/inter-var-400700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/inter-var-400700-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/plexmono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/plexmono-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/plexmono-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/plexmono-500-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* --------------------------------------------------------------------------
   2. Design tokens
   Contrast ratios against --paper are noted where they matter; every text
   colour used on paper or card clears WCAG 2.1 AA (4.5:1) with headroom.
   -------------------------------------------------------------------------- */

:root {
  /* surfaces */
  --paper: #F5F8FB;
  --card: #FFFFFF;
  --card-sunk: #FAFCFD;

  /* text */
  --ink: #0E1B2A;      /* 16.3:1 on paper */
  --slate: #425568;    /* 7.2:1 on paper  */
  --accent: #0F6B57;   /* 6.0:1 on paper  */
  --accent-strong: #0A5645;

  /* lines */
  --line: #DCE5EC;
  --line-strong: #C6D3DD;   /* decorative separators only — not a UI boundary */

  /* Boundaries of interactive controls need 3:1 under WCAG 1.4.11, which
     --line-strong (1.4:1 on paper) does not reach. Form fields and outlined
     buttons use this instead: 3.8:1 on paper, 4.1:1 on white. */
  --field-line: #6D8091;

  /* aurora signature — decorative only, never used for text */
  --aurora-teal: #37C99E;
  --aurora-ice: #4D9DE0;
  --aurora-violet: #7A6FF0;

  /* type */
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', 'Consolas', monospace;

  /* metrics */
  --max: 1100px;
  --gutter: 24px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(14, 27, 42, 0.04), 0 8px 24px -16px rgba(14, 27, 42, 0.18);
}

/* --------------------------------------------------------------------------
   3. Reset
   -------------------------------------------------------------------------- */

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

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

body,
h1, h2, h3, h4,
p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
}

ul[class],
ol[class] {
  padding: 0;
  list-style: none;
}

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   4. Base typography
   -------------------------------------------------------------------------- */

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-weight: 650;
  line-height: 1.18;
  letter-spacing: -0.017em;
  text-wrap: balance;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

:where(a, button, input, textarea, summary):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

strong { font-weight: 640; }

/* Postal addresses are set upright everywhere, not just in the footer. */
address {
  font-style: normal;
  line-height: 1.75;
}

.mono {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--slate);
}

.lede {
  font-size: 19px;
  color: var(--slate);
  max-width: 58ch;
}

.lede strong { color: var(--ink); }

/* --------------------------------------------------------------------------
   5. Layout primitives
   -------------------------------------------------------------------------- */

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

.wrap--narrow { max-width: 760px; }

.section { padding-block: 84px; }
.section + .section { border-top: 1px solid var(--line); }
.section--sunk { background: var(--card-sunk); }

.section-head { margin-bottom: 44px; max-width: 62ch; }
.section-head h2 { font-size: clamp(25px, 3.1vw, 33px); margin-top: 10px; }
.section-head p:not(.mono) { color: var(--slate); margin-top: 16px; }

.stack > * + * { margin-top: 18px; }

/* skip link */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
  text-decoration: none;
}

.skip:focus {
  left: 0;
  color: #fff;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   6. Aurora signature
   -------------------------------------------------------------------------- */

.aurora-rule {
  height: 3px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg,
    var(--aurora-teal) 0%,
    var(--aurora-ice) 52%,
    var(--aurora-violet) 100%);
}

.horizon {
  margin-top: 72px;
  height: 148px;
  position: relative;
  border-bottom: 1px solid var(--line-strong);
}

.horizon__band {
  position: absolute;
  inset: auto 0 0 0;
  height: 136px;
  background:
    radial-gradient(46% 128% at 16% 104%, var(--aurora-teal) 0%, transparent 64%),
    radial-gradient(44% 122% at 50% 104%, var(--aurora-ice) 0%, transparent 66%),
    radial-gradient(42% 118% at 84% 104%, var(--aurora-violet) 0%, transparent 64%);
  opacity: 0.62;
  filter: blur(20px);
  animation: drift 22s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes drift {
  from { transform: translateX(-3%) scaleY(1); }
  to   { transform: translateX(3%) scaleY(1.14); }
}

.horizon__coords {
  position: absolute;
  right: 0;
  bottom: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* --------------------------------------------------------------------------
   7. Header and navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 248, 251, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 66px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 680;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  flex: none;
}

.wordmark__mark { width: 22px; height: 22px; flex: none; }

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 0;
  list-style: none;
  padding: 0;
}

.nav__link {
  color: var(--slate);
  font-size: 15px;
  font-weight: 520;
  text-decoration: none;
  padding-block: 6px;
}

.nav__link:hover { color: var(--ink); }

.nav__link[aria-current='page'] {
  color: var(--ink);
  font-weight: 620;
  box-shadow: inset 0 -2px 0 0 var(--aurora-teal);
}

/* The navigation is pure CSS: at narrow widths the header wraps to two rows
   and the links stay visible. No disclosure button, therefore no JavaScript
   dependency, no layout shift on load and no expandable-widget semantics to
   get wrong. */

/* --------------------------------------------------------------------------
   8. Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: var(--ink);
  color: #fff;
  font-size: 15px;
  font-weight: 580;
  line-height: 1.2;
  padding: 14px 26px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  background: #060F19;
  border-color: #060F19;
  color: #fff;
}

.btn:active { transform: translateY(1px); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--field-line);
}

.btn--ghost:hover {
  background: var(--card);
  color: var(--ink);
  border-color: var(--ink);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 38px;
}

.textlink {
  font-weight: 560;
  font-size: 15px;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   9. Hero
   -------------------------------------------------------------------------- */

.hero { padding-top: 88px; padding-bottom: 0; overflow: hidden; }

.hero h1 {
  font-size: clamp(34px, 5.3vw, 57px);
  max-width: 17ch;
  margin-top: 26px;
}

.hero .lede { margin-top: 26px; font-size: 19.5px; }

/* --------------------------------------------------------------------------
   10. Cards and grids
   -------------------------------------------------------------------------- */

.grid { display: grid; gap: 20px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow);
}

.card h3 { font-size: 19px; margin-bottom: 12px; }
.card p { color: var(--slate); font-size: 16px; }
.card p + p { margin-top: 12px; }

.card__tick {
  width: 28px;
  height: 3px;
  border-radius: 2px;
  margin-bottom: 22px;
  background: var(--aurora-ice);
}

.grid > .card:nth-child(3n + 1) .card__tick { background: var(--aurora-teal); }
.grid > .card:nth-child(3n + 2) .card__tick { background: var(--aurora-ice); }
.grid > .card:nth-child(3n + 3) .card__tick { background: var(--aurora-violet); }

.card__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  font-size: 15.5px;
  color: var(--slate);
}

.card__list li {
  position: relative;
  padding-left: 20px;
}

.card__list li + li { margin-top: 7px; }

.card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--aurora-teal);
}

/* numbered steps */
.steps { counter-reset: step; }

.step { position: relative; }

.step__no {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.09em;
  color: var(--slate);
  display: block;
  margin-bottom: 14px;
}

.step__no::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 1px;
  background: var(--line-strong);
  vertical-align: middle;
  margin-right: 10px;
}

/* --------------------------------------------------------------------------
   11. Facts list
   -------------------------------------------------------------------------- */

.facts {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 0;
}

.facts__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 22px;
  padding: 15px 22px;
  font-size: 15px;
}

.facts__row + .facts__row { border-top: 1px solid var(--line); }
.facts dt { color: var(--slate); }
.facts dd { margin: 0; font-weight: 580; text-align: right; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: start;
}

.split p { color: var(--slate); }
.split p + p { margin-top: 16px; }

/* --------------------------------------------------------------------------
   12. Product block
   -------------------------------------------------------------------------- */

.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.product h3 { font-size: 25px; margin: 14px 0 16px; }
.product p { color: var(--slate); }
.product p + p { margin-top: 14px; }
.product .actions { margin-top: 26px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(55, 201, 158, 0.12);
  border: 1px solid rgba(15, 107, 87, 0.22);
  border-radius: 999px;
  padding: 5px 12px;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aurora-teal);
}

.product__art {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background:
    radial-gradient(70% 90% at 20% 15%, rgba(55, 201, 158, 0.55) 0%, transparent 62%),
    radial-gradient(70% 90% at 78% 30%, rgba(77, 157, 224, 0.5) 0%, transparent 62%),
    radial-gradient(80% 80% at 55% 95%, rgba(122, 111, 240, 0.45) 0%, transparent 60%),
    #0E1B2A;
  overflow: hidden;
}

.product__art-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(245, 248, 251, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245, 248, 251, 0.14) 1px, transparent 1px);
  background-size: 14.28% 16.66%;
}

/* --------------------------------------------------------------------------
   13. FAQ
   -------------------------------------------------------------------------- */

.faq { border-top: 1px solid var(--line); }

.faq__item {
  border-bottom: 1px solid var(--line);
}

.faq__item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 17.5px;
  list-style: none;
  color: var(--ink);
}

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

.faq__item summary::after {
  content: '';
  flex: none;
  width: 13px;
  height: 13px;
  margin-top: 8px;
  border-right: 2px solid var(--slate);
  border-bottom: 2px solid var(--slate);
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.faq__item[open] summary::after { transform: rotate(-135deg); }

.faq__answer {
  padding: 0 4px 24px;
  color: var(--slate);
  max-width: 72ch;
}

.faq__answer p + p { margin-top: 13px; }

/* --------------------------------------------------------------------------
   14. Forms
   -------------------------------------------------------------------------- */

.form { max-width: 560px; }
.form--wide { max-width: none; }

.field + .field { margin-top: 22px; }

.field label {
  display: block;
  font-size: 14.5px;
  font-weight: 580;
  margin-bottom: 7px;
}

.field .hint {
  display: block;
  font-size: 14px;
  color: var(--slate);
  font-weight: 400;
  margin-top: 3px;
}

.field input,
.field textarea {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--field-line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 16px;
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

/* 5.0:1 on white, 4.7:1 on paper — placeholders are text under SC 1.4.3. */
.field input::placeholder,
.field textarea::placeholder { color: #5F7181; }

.field input:hover,
.field textarea:hover { border-color: #4E606F; }

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 107, 87, 0.14);
  outline: 3px solid var(--accent);
  outline-offset: 1px;
}

.field textarea { min-height: 150px; resize: vertical; }

.form__submit { margin-top: 26px; }

.form__note {
  margin-top: 16px;
  font-size: 14.5px;
  color: var(--slate);
  max-width: 56ch;
}

/* Netlify honeypot. Positioned off-screen rather than display:none, because
   some bots skip hidden fields. The wrapper also carries aria-hidden="true"
   with tabindex="-1" on the input, so assistive technology never reaches a
   field whose completion would silently discard the submission. */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* newsletter, footer variant */
.newsletter__row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.newsletter__row input {
  flex: 1 1 200px;
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--field-line);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  font-size: 15px;
}

.newsletter__row input:focus {
  border-color: var(--accent);
  outline: 3px solid var(--accent);
  outline-offset: 1px;
}

.newsletter__row .btn { padding: 11px 20px; flex: none; }

/* --------------------------------------------------------------------------
   15. Call-to-action band
   -------------------------------------------------------------------------- */

.cta {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 46px 44px;
  position: relative;
  overflow: hidden;
}

.cta h2 { font-size: clamp(24px, 3vw, 31px); max-width: 20ch; }
.cta p { color: #B9C7D4; margin-top: 16px; max-width: 54ch; }
.cta .mono { color: #8FA6B8; }
.cta .actions { margin-top: 30px; }

.cta .btn {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}

.cta .btn:hover { background: #E7EEF4; border-color: #E7EEF4; color: var(--ink); }

.cta .btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.cta .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

.cta :where(a, button):focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.cta__glow {
  position: absolute;
  inset: auto 0 -34px 0;
  height: 190px;
  background:
    radial-gradient(42% 130% at 18% 118%, var(--aurora-teal) 0%, transparent 64%),
    radial-gradient(42% 124% at 52% 118%, var(--aurora-ice) 0%, transparent 64%),
    radial-gradient(42% 124% at 86% 118%, var(--aurora-violet) 0%, transparent 64%);
  opacity: 0.58;
  filter: blur(26px);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-top: 56px;
  padding-bottom: 44px;
  font-size: 15px;
  color: var(--slate);
  margin-top: 0;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.6fr;
  gap: 40px;
  align-items: start;
}

.site-footer h2 {
  font-size: 12.5px;
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 16px;
}

.site-footer address {
  font-style: normal;
  line-height: 1.75;
  color: var(--slate);
}

.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li + li { margin-top: 9px; }

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

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

.site-footer__brand .wordmark { margin-bottom: 16px; }

.site-footer__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  justify-content: space-between;
  align-items: center;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer__bar p { margin: 0; }

/* --------------------------------------------------------------------------
   17. Long-form prose (privacy, legal)
   -------------------------------------------------------------------------- */

.prose { max-width: 68ch; }
.prose h2 { font-size: 21px; margin: 44px 0 12px; }
.prose h3 { font-size: 17.5px; margin: 26px 0 8px; }
.prose p, .prose li { color: var(--slate); }
.prose p + p { margin-top: 14px; }

.prose ul {
  margin: 14px 0 0;
  padding-left: 22px;
}

.prose li + li { margin-top: 7px; }
.prose .updated { font-size: 14.5px; margin-top: 12px; }

.page-head { padding-top: 72px; padding-bottom: 8px; }
.page-head h1 { font-size: clamp(30px, 4.2vw, 44px); margin-top: 12px; }
.page-head .lede { margin-top: 20px; }

/* --------------------------------------------------------------------------
   18. Utility pages (thanks, subscribed, 404)
   -------------------------------------------------------------------------- */

.panel {
  min-height: 62vh;
  display: flex;
  align-items: center;
  padding-block: 72px;
}

.panel__inner { max-width: 620px; }
.panel h1 { font-size: clamp(30px, 4.4vw, 44px); margin-top: 20px; }
.panel p { color: var(--slate); margin-top: 18px; font-size: 18px; }
.panel .actions { margin-top: 34px; }

.panel__mark {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--aurora-teal), var(--aurora-ice) 55%, var(--aurora-violet));
}

.panel__mark svg { width: 24px; height: 24px; }

.linklist {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 15px;
}

/* --------------------------------------------------------------------------
   19. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 980px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .split { gap: 36px; }
}

@media (max-width: 860px) {
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .product { grid-template-columns: 1fr; gap: 30px; padding: 30px; }
  .product__art { order: -1; aspect-ratio: 16 / 9; }
  .section { padding-block: 62px; }
  .hero { padding-top: 62px; }
  .horizon { margin-top: 52px; height: 108px; }
  .cta { padding: 36px 28px; }

  /* Header wraps to two rows; every link stays reachable without JavaScript. */
  .site-header__inner {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0;
    padding-block: 12px;
    min-height: 0;
  }

  .wordmark { flex: 1 0 100%; justify-content: flex-start; }

  .nav {
    flex: 1 0 100%;
    justify-content: flex-start;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
    overflow-x: auto;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar { display: none; }

  .nav__list { gap: 20px; }
  .nav__link { white-space: nowrap; font-size: 15.5px; }
  .nav > .btn { display: none; }
}

@media (max-width: 560px) {
  :root { --gutter: 20px; }
  body { font-size: 16.5px; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .facts__row { flex-direction: column; gap: 3px; }
  .facts dd { text-align: left; }
  .horizon__coords { font-size: 11px; }
  .actions .btn { width: 100%; }
  .card { padding: 26px 22px; }
  .panel { min-height: 0; }
}

/* --------------------------------------------------------------------------
   20. Motion and forced colours
   -------------------------------------------------------------------------- */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (forced-colors: active) {
  .card,
  .facts,
  .field input,
  .field textarea { border: 1px solid CanvasText; }

  .btn { border: 1px solid ButtonText; }

  .horizon__band,
  .cta__glow,
  .product__art { display: none; }
}