/* ==========================================================================
   Reinstated — Clearbit-derived design system
   Light canvas, Midnight Ink type, one blue accent, hairline structure.
   Depth comes from surface tint + borders, never drop shadows.
   ========================================================================== */

:root {
  /* Colors */
  --color-midnight-ink: #091135;
  --color-electric-blue: #0f77ff;
  --color-cobalt-surface: #127ee3;
  --color-slate: #36394a;
  --color-frost-border: #e1e9f0;
  --color-mist: #b1bbcd;
  --color-graphite: #000000;
  --color-paper: #ffffff;
  --color-lavender-wash: #f5f3ff;

  /* Functional aliases */
  --text: var(--color-midnight-ink);
  --text-muted: var(--color-slate);
  --border: var(--color-frost-border);
  --surface: var(--color-paper);
  --canvas: var(--color-paper);
  --wash: var(--color-lavender-wash);
  --accent: var(--color-electric-blue);
  --cta: var(--color-cobalt-surface);

  /* Status (kept minimal — outside the chromatic budget, used only for state) */
  --danger-bg: #fef2f2;
  --danger-border: #fca5a5;
  --danger-text: #b91c1c;
  --success-bg: #ecfdf5;
  --success-text: #065f46;

  /* Type */
  --font-intervar: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    'Segoe UI', Roboto, sans-serif;

  --text-caption: 14px;
  --leading-caption: 1.43;
  --tracking-caption: 0.056px;
  --text-body: 16px;
  --leading-body: 1.5;
  --tracking-body: 0.128px;
  --text-subheading: 18px;
  --leading-subheading: 1.5;
  --tracking-subheading: 0.252px;
  --text-heading-sm: 32px;
  --leading-heading-sm: 1.25;
  --tracking-heading-sm: 0.512px;
  --text-heading: 56px;
  --leading-heading: 1.25;
  --tracking-heading: 1.008px;
  --text-display: 64px;
  --leading-display: 1.25;
  --tracking-display: 1.152px;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Spacing */
  --spacing-8: 8px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-44: 44px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-128: 128px;

  /* Layout */
  --page-max-width: 1200px;
  --section-gap: 64px;
  --card-padding: 24px;

  /* Radii — 12 cards / 8 controls / pill tags. No intermediate values. */
  --radius-cards: 12px;
  --radius-inputs: 8px;
  --radius-buttons: 8px;
  --radius-tags: 9999px;

  /* The only shadow in the system: a focus ring. */
  --shadow-subtle: rgb(15, 119, 255) 0px 0px 0px 1px,
    rgba(12, 43, 100, 0.32) 0px 1px 2px 0px, rgba(12, 43, 100, 0.32) 0px 6px 16px 0px;

  --navbar-h: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

/* Any author `display` rule beats the UA stylesheet's [hidden], so elements
   like .doc-foot (display:flex) stay visible when hidden is set. */
[hidden] {
  display: none !important;
}

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: var(--font-intervar);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  font-weight: var(--fw-regular);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Tracking opens as size increases — the system signature. Never tighten it. */
h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--text);
  font-weight: var(--fw-semibold);
  line-height: var(--leading-heading-sm);
}

h1 {
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

h2 {
  font-size: var(--text-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
}

h3 {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
}

p {
  margin: 0;
}

a {
  color: var(--color-midnight-ink);
  text-decoration-color: var(--color-mist);
  text-underline-offset: 3px;
}

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

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-subtle);
  border-radius: var(--radius-inputs);
}

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

.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding-inline: var(--spacing-24);
}

.section {
  padding-block: var(--spacing-80);
}

.section--wash {
  background: var(--wash);
}

.section--tight {
  padding-block: var(--spacing-48);
}

.stack-8 > * + * {
  margin-top: var(--spacing-8);
}
.stack-16 > * + * {
  margin-top: var(--spacing-16);
}
.stack-20 > * + * {
  margin-top: var(--spacing-20);
}
.stack-24 > * + * {
  margin-top: var(--spacing-24);
}

.section-head {
  max-width: 720px;
  margin-bottom: var(--spacing-48);
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

/* ==========================================================================
   Type utilities
   ========================================================================== */

.eyebrow {
  display: block;
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  font-weight: var(--fw-medium);
  color: var(--text);
  margin-bottom: var(--spacing-8);
}

.lede {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
  color: var(--text-muted);
}

.caption {
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  color: var(--text-muted);
}

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

.pill {
  display: inline-block;
  background: var(--wash);
  color: var(--text);
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-caption);
  padding: var(--spacing-8) var(--spacing-16);
  border-radius: var(--radius-tags);
}

.pill--outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--text);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-8);
  font-family: inherit;
  font-size: var(--text-body);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-body);
  line-height: 1.2;
  padding: 12px 20px;
  border-radius: var(--radius-buttons);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.btn--primary {
  background: var(--cta);
  color: var(--color-paper);
  border-color: var(--cta);
}

.btn--primary:hover {
  background: #0f6fca;
  border-color: #0f6fca;
}

.btn--primary:disabled {
  background: var(--color-mist);
  border-color: var(--color-mist);
  cursor: wait;
}

/* Busy is not the same as unavailable — keep the action colour while working. */
.btn[aria-busy='true'] {
  cursor: wait;
  opacity: 0.85;
}

.btn--primary[aria-busy='true'] {
  background: var(--cta);
  border-color: var(--cta);
}

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

.btn--ghost:hover {
  border-color: var(--color-mist);
}

.btn--full {
  width: 100%;
}

.btn--lg {
  padding: 14px 24px;
  font-size: var(--text-subheading);
  letter-spacing: var(--tracking-subheading);
}

.spinner {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: var(--radius-tags);
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.btn-link {
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-caption);
  color: var(--accent);
  cursor: pointer;
  text-align: left;
}

/* ==========================================================================
   Site header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-paper);
  padding-block: var(--spacing-8);
  border-bottom: 1px solid transparent;
}

.site-header.is-stuck {
  border-bottom-color: var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  text-decoration: none;
}

.logomark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-inputs);
  background: var(--wash);
  border: 1px solid var(--border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-bold);
  font-size: var(--text-subheading);
  flex-shrink: 0;
}

.brand__name {
  font-size: var(--text-subheading);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-subheading);
  color: var(--text);
  line-height: 1.1;
  display: block;
}

.brand__sub {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.2;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-24);
}

.site-nav a {
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-caption);
  color: var(--text);
  text-decoration: none;
}

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

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

.hero {
  padding-block: var(--spacing-80) var(--spacing-48);
  text-align: center;
}

.hero h1 {
  max-width: 900px;
  margin-inline: auto;
}

.hero .lede {
  max-width: 640px;
  margin: var(--spacing-20) auto 0;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-16);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-32);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-8);
  justify-content: center;
  margin-top: var(--spacing-24);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-cards);
  padding: var(--card-padding);
}

.card__title {
  font-size: var(--text-subheading);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-subheading);
  margin-bottom: var(--spacing-16);
}

/* Floating product showcase — suspended on the wash, slightly offset */
.showcase {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-cards);
  padding: var(--card-padding);
}

.showcase--offset {
  transform: translateY(-8px);
}

.score-badge {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-tags);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: var(--text-subheading);
  font-weight: var(--fw-semibold);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Data record rows — Slate label left, Midnight Ink value right, no dividers */
.record-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.record-list li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding-block: 6px;
  font-size: var(--text-body);
}

.record-list .label {
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
}

.record-list .value {
  color: var(--text);
  font-weight: var(--fw-medium);
  text-align: right;
}

.check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--accent);
}

/* ==========================================================================
   Two-column feature sections (Z-pattern)
   ========================================================================== */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-64);
  align-items: center;
}

.split--reverse .split__media {
  order: -1;
}

.split__body h2 {
  margin-bottom: var(--spacing-24);
}

/* ==========================================================================
   Grids
   ========================================================================== */

.grid {
  display: grid;
  gap: var(--spacing-24);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Platform directory tiles */
.platform-tile {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-cards);
  padding: var(--spacing-20);
  text-decoration: none;
  transition: border-color 120ms ease;
}

.platform-tile:hover {
  border-color: var(--accent);
}

.platform-tile__name {
  font-size: var(--text-body);
  font-weight: var(--fw-semibold);
  color: var(--text);
  display: block;
}

.platform-tile__meta {
  font-size: var(--text-caption);
  color: var(--text-muted);
  letter-spacing: var(--tracking-caption);
  display: block;
  margin-top: 2px;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.field {
  margin-bottom: var(--spacing-16);
}

.field label {
  display: block;
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-caption);
  color: var(--text);
  margin-bottom: 6px;
}

select,
textarea,
input[type='text'],
input[type='email'] {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-inputs);
  color: var(--text);
  font-family: inherit;
  font-size: var(--text-body);
  letter-spacing: var(--tracking-body);
  padding: 12px 13px;
  resize: vertical;
  -webkit-appearance: none;
  appearance: none;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2336394a' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 36px;
}

select:focus,
textarea:focus,
input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-subtle);
}

textarea {
  min-height: 104px;
}

.field-group {
  padding-top: var(--spacing-16);
  margin-top: var(--spacing-8);
  border-top: 1px solid var(--border);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  color: var(--text);
  cursor: pointer;
}

.checkbox-label input[type='checkbox'] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.checkbox-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 4px 0 0 26px;
}

.field-hint {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
  margin: 6px 0 0;
}

.field-hint.is-good {
  color: var(--success-text);
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  color: var(--text);
  border: 1px solid var(--border);
  background: var(--wash);
  padding: 8px 13px;
  border-radius: var(--radius-inputs);
  cursor: pointer;
  margin-top: var(--spacing-8);
}

.upload-btn.loading {
  opacity: 0.6;
  cursor: wait;
}

.detected-badge {
  margin-top: var(--spacing-8);
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  color: var(--text);
  background: var(--wash);
  padding: 8px 12px;
  border-radius: var(--radius-inputs);
  display: inline-block;
}

.error-msg {
  margin-top: var(--spacing-16);
  padding: 11px 13px;
  border-radius: var(--radius-inputs);
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
  font-size: var(--text-caption);
  display: none;
}

.error-msg.visible {
  display: block;
}

.error-msg.is-success {
  background: var(--success-bg);
  border-color: #6ee7b7;
  color: var(--success-text);
}

/* ==========================================================================
   Letter document
   ========================================================================== */

.doc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-cards);
  overflow: hidden;
}

.doc-head {
  padding: 14px var(--spacing-24);
  border-bottom: 1px solid var(--border);
  background: var(--wash);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-caption);
  color: var(--text);
}

.doc-body-wrap {
  position: relative;
}

.doc-body {
  padding: var(--spacing-24);
  font-size: var(--text-body);
  line-height: 1.65;
  white-space: pre-wrap;
  color: var(--text);
  outline: none;
}

.doc-body.unlocked {
  cursor: text;
}

.doc-body.unlocked:focus {
  background: var(--wash);
}

.doc-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 96px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0), var(--surface) 78%);
  pointer-events: none;
}

.doc-fade.hidden {
  display: none;
}

.doc-foot {
  padding: var(--spacing-16) var(--spacing-24);
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--spacing-8);
  flex-wrap: wrap;
}

.doc-foot .btn {
  flex: 1;
  min-width: 140px;
}

.letter-tabs {
  display: flex;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-16);
  flex-wrap: wrap;
}

.letter-tab {
  font-family: inherit;
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-caption);
  padding: 8px 16px;
  border-radius: var(--radius-tags);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
}

.letter-tab.active {
  background: var(--wash);
  color: var(--text);
  border-color: var(--accent);
}

.letter-tab:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.context-box {
  margin-top: var(--spacing-16);
  padding: var(--spacing-20) var(--spacing-24);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-cards);
}

.context-box ul {
  margin: var(--spacing-8) 0 0;
  padding-left: var(--spacing-20);
}

.context-box li {
  font-size: var(--text-caption);
  line-height: 1.55;
  margin-bottom: 6px;
}

.disclaimer {
  margin-top: var(--spacing-16);
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

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

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
  align-items: start;
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.price-card--featured {
  border-color: var(--accent);
}

.price-card__tag {
  align-self: flex-start;
  margin-bottom: var(--spacing-16);
}

.price-card__name {
  font-size: var(--text-subheading);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-subheading);
}

.price-card__amount {
  font-size: var(--text-heading-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-heading-sm);
  margin-top: var(--spacing-8);
}

.price-card__amount span {
  font-size: var(--text-body);
  font-weight: var(--fw-regular);
  color: var(--text-muted);
  letter-spacing: var(--tracking-body);
}

.price-card__desc {
  font-size: var(--text-caption);
  color: var(--text-muted);
  margin-top: var(--spacing-8);
}

.price-card .record-list {
  margin-block: var(--spacing-24);
  flex: 1;
}

.price-card .record-list li {
  justify-content: flex-start;
  font-size: var(--text-caption);
}

.price-card .record-list .label {
  color: var(--text);
  align-items: flex-start;
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-item {
  border-top: 1px solid var(--border);
  padding-block: var(--spacing-24);
}

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

.faq-item h3 {
  margin-bottom: var(--spacing-8);
}

.faq-item p {
  color: var(--text-muted);
}

/* ==========================================================================
   Guide article pages
   ========================================================================== */

.breadcrumb {
  font-size: var(--text-caption);
  color: var(--text-muted);
  letter-spacing: var(--tracking-caption);
  margin-bottom: var(--spacing-16);
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

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

.container--narrow {
  max-width: 820px;
}

.article {
  max-width: 760px;
}

.article > h1 {
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  margin-bottom: var(--spacing-24);
}

.article h2 {
  margin-top: var(--spacing-48);
  margin-bottom: var(--spacing-16);
}

.article h3 {
  margin-top: var(--spacing-24);
  margin-bottom: var(--spacing-8);
}

.article p {
  margin-bottom: var(--spacing-16);
  color: var(--text-muted);
}

.article ul,
.article ol {
  margin: 0 0 var(--spacing-16);
  padding-left: var(--spacing-24);
  color: var(--text-muted);
}

.article li {
  margin-bottom: var(--spacing-8);
}

.answer-box {
  background: var(--wash);
  border-radius: var(--radius-cards);
  padding: var(--spacing-24);
  margin-bottom: var(--spacing-32);
}

.answer-box p {
  color: var(--text);
  margin: 0;
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-cards);
  margin-bottom: var(--spacing-32);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-caption);
}

table.data th,
table.data td {
  text-align: left;
  padding: 12px var(--spacing-20);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.data tr:last-child th,
table.data tr:last-child td {
  border-bottom: none;
}

table.data th {
  color: var(--text-muted);
  font-weight: var(--fw-medium);
  width: 34%;
}

table.data td {
  color: var(--text);
}

.inline-cta {
  background: var(--wash);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  margin-block: var(--spacing-48);
  text-align: center;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--spacing-48);
  margin-top: var(--spacing-64);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-32);
}

.footer-col h4 {
  font-size: var(--text-caption);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-caption);
  margin-bottom: var(--spacing-16);
}

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

.footer-col li {
  margin-bottom: var(--spacing-8);
}

.footer-col a {
  font-size: var(--text-caption);
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: var(--tracking-caption);
}

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

.footer-legal {
  margin-top: var(--spacing-32);
  padding-top: var(--spacing-24);
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   App shell — bottom nav, hidden on the marketing web view
   ========================================================================== */

.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--navbar-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: 50;
}

.nav-btn {
  flex: 1;
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 11px;
  font-weight: var(--fw-medium);
  padding: 6px 0;
}

.nav-btn svg {
  width: 22px;
  height: 22px;
}

.nav-btn.active {
  color: var(--accent);
}

.app-screen {
  display: none;
}

.app-screen.active {
  display: block;
}

/* In the browser, every app screen is just part of the page flow. */
body:not(.app-mode) .app-screen {
  display: block;
}

body:not(.app-mode) .app-only {
  display: none;
}

/* App mode: strip the marketing site down to the tool. */
body.app-mode .marketing-only {
  display: none !important;
}

body.app-mode .bottom-nav {
  display: flex;
}

body.app-mode .app-screen {
  display: none;
}

body.app-mode .app-screen.active {
  display: block;
}

body.app-mode {
  padding-bottom: calc(var(--navbar-h) + env(safe-area-inset-bottom));
}

body.app-mode .container {
  max-width: 640px;
}

body.app-mode .hero {
  padding-block: var(--spacing-32) var(--spacing-24);
  text-align: left;
}

body.app-mode .hero h1 {
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  margin-inline: 0;
}

body.app-mode .hero .lede {
  margin-inline: 0;
  font-size: var(--text-body);
  letter-spacing: var(--tracking-body);
}

body.app-mode .trust-row {
  justify-content: flex-start;
}

body.app-mode .section {
  padding-block: var(--spacing-32);
}

@media (display-mode: standalone) {
  .marketing-only {
    display: none !important;
  }
  .bottom-nav {
    display: flex;
  }
}

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

@media (max-width: 960px) {
  :root {
    --text-heading: 40px;
    --tracking-heading: 0.72px;
    --text-display: 44px;
    --tracking-display: 0.79px;
    --section-gap: 48px;
  }

  .split,
  .grid--3,
  .grid--4,
  .price-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split {
    gap: var(--spacing-32);
  }

  .split--reverse .split__media {
    order: 0;
  }

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

@media (max-width: 640px) {
  :root {
    --text-heading: 32px;
    --tracking-heading: 0.512px;
    --text-display: 34px;
    --tracking-display: 0.55px;
    --text-heading-sm: 24px;
    --tracking-heading-sm: 0.38px;
    --card-padding: 20px;
  }

  .container {
    padding-inline: var(--spacing-16);
  }

  .section {
    padding-block: var(--spacing-48);
  }

  .split,
  .grid--2,
  .grid--3,
  .grid--4,
  .price-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .showcase--offset {
    transform: none;
  }

  .score-badge {
    right: -8px;
    top: -16px;
  }

  .site-nav {
    gap: var(--spacing-16);
  }

  .site-nav .nav-hide-sm {
    display: none;
  }

  .hero {
    padding-block: var(--spacing-48) var(--spacing-32);
  }

  .doc-foot .btn {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
  /* Slowed rather than stopped — a frozen spinner reads as a hung request. */
  .spinner {
    animation-duration: 2.4s;
  }
}

@media print {
  .site-header,
  .site-footer,
  .bottom-nav,
  .doc-foot,
  .marketing-only {
    display: none !important;
  }
  .doc-fade {
    display: none !important;
  }
  body {
    background: #fff;
  }
}