/* Gardo Health visual system (lane V)
   One shipped stylesheet for site/index.html.
   Tokens, base typography, and component states per .omo/plans/gardo-landing.md
   section 3, styled against the frozen DOM contract in section 4.
   Type scale is rem-based; table values assume the default 16px root. */

/* ---------------------------------------------------------------- font */

@font-face {
  font-family: "Source Sans 3";
  src: url("assets/fonts/source-sans-3-upright.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

/* -------------------------------------------------------------- tokens */

:root {
  color-scheme: light dark;

  --font-sans: "Source Sans 3", "Segoe UI", Arial, sans-serif;

  /* color: light */
  --color-canvas: #f7f6f2;
  --color-surface: #ffffff;
  --color-muted: #e8eee8;
  --color-ink: #172923;
  --color-ink-2: #52615a;
  --color-action: #245847;
  --color-on-action: #ffffff;
  --color-action-hover: #1c4739;
  --color-action-pressed: #15382d;
  --color-border: #69796f;
  --color-divider: #d7ded7;
  --color-focus: #255fcc;
  --color-error: #a12424;
  --color-error-surface: #fff1f0;
  --color-success: #245847;
  --color-success-surface: #e8f1eb;
  --color-link: #245847;
  --shadow-card: 0 12px 32px rgb(23 41 35 / 0.1);
  --card-edge: transparent;

  /* spacing scale: 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 80, 96 px */
  --space-4: 0.25rem;
  --space-8: 0.5rem;
  --space-12: 0.75rem;
  --space-16: 1rem;
  --space-20: 1.25rem;
  --space-24: 1.5rem;
  --space-32: 2rem;
  --space-40: 2.5rem;
  --space-48: 3rem;
  --space-64: 4rem;
  --space-80: 5rem;
  --space-96: 6rem;

  /* shape and size */
  --radius-control: 0.5rem; /* 8px controls */
  --radius-card: 0.75rem;   /* 12px checklist card */
  --size-target: 2.75rem;   /* 44px minimum target */
  --size-control: 3rem;     /* 48px controls */
  --size-field: 3.25rem;    /* 52px email + submit */
  --gutter: 1.25rem;        /* 20px below 600 */
  --header-min: 4rem;       /* 64px mobile/tablet header minimum */
  --header-offset: 5rem;    /* 80px fallback before navigation.js measures */

  /* type roles, mobile (<600px) */
  --text-h1: 2.5rem;        --leading-h1: 2.75rem;      /* 40/44 */
  --text-h2: 1.875rem;      --leading-h2: 2.25rem;      /* 30/36 */
  --text-h3: 1.375rem;      --leading-h3: 1.75rem;      /* 22/28 */
  --text-lead: 1.125rem;    --leading-lead: 1.6875rem;  /* 18/27 */
  --text-body: 1rem;        --leading-body: 1.5rem;     /* 16/24 */
  --text-ui: 1rem;          --leading-ui: 1.5rem;       /* 16/24 */
  --text-stat: 2.25rem;     --leading-stat: 2.5rem;     /* 36/40 */
  --text-wordmark: 1.375rem; --leading-wordmark: 1.75rem; /* 22/28 */
}

@media (min-width: 600px) {
  :root {
    --gutter: 2rem;                                      /* 32px */
    --text-h1: 3.25rem;    --leading-h1: 3.5rem;         /* 52/56 */
    --text-h2: 2.25rem;    --leading-h2: 2.75rem;        /* 36/44 */
    --text-h3: 1.5rem;     --leading-h3: 2rem;           /* 24/32 */
    --text-body: 1.125rem; --leading-body: 1.75rem;      /* 18/28 */
    --text-stat: 2.5rem;   --leading-stat: 2.75rem;      /* 40/44 */
  }
}

@media (min-width: 960px) {
  :root {
    --gutter: 2.5rem;                                    /* 40px */
    --header-min: 4.5rem;                                /* 72px desktop */
    --header-offset: 5.5rem;                             /* 88px fallback */
    --text-h1: 4rem;       --leading-h1: 4.25rem;        /* 64/68 */
    --text-h2: 2.5rem;     --leading-h2: 3rem;           /* 40/48 */
    --text-lead: 1.25rem;  --leading-lead: 1.875rem;     /* 20/30 */
    --text-stat: 3rem;     --leading-stat: 3.25rem;      /* 48/52 */
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-canvas: #121e19;
    --color-surface: #1c2b23;
    --color-muted: #1c2b23;
    --color-ink: #f4f5f0;
    --color-ink-2: #bcc8c0;
    --color-action: #9dd5b5;
    --color-on-action: #10251b;
    --color-action-hover: #b5e2c8;
    --color-action-pressed: #87c6a2;
    --color-border: #82988b;
    --color-divider: #344a3c;
    --color-focus: #9fc2ff;
    --color-error: #ffb8b0;
    --color-error-surface: #382422;
    --color-success: #b5e2c8;
    --color-success-surface: #1c3328;
    --color-link: #9dd5b5;
    --shadow-card: none;            /* dark: surface contrast + divider edge */
    --card-edge: var(--color-divider);
  }
}

/* ---------------------------------------------------------------- base */

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

html {
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: 400;
}

h1,
h2,
h3 {
  margin-block: 0;
  color: var(--color-ink);
  text-wrap: balance;
}

h1 {
  font-size: var(--text-h1);
  line-height: var(--leading-h1);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-block-end: var(--space-24);
}

h2,
.section-heading {
  font-size: var(--text-h2);
  line-height: var(--leading-h2);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-block-end: var(--space-24);
}

h3 {
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-block-end: var(--space-8);
}

p {
  margin-block: 0 var(--space-16);
  text-wrap: pretty;
}

p:last-child {
  margin-block-end: 0;
}

li,
dt,
dd,
figcaption,
label,
summary {
  text-wrap: pretty;
}

main p,
main dd,
main figcaption {
  max-inline-size: 65ch;
}

strong {
  font-weight: 600;
}

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

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

fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  min-inline-size: 0;
}

legend {
  padding: 0;
}

figure,
dl {
  margin: 0;
}

address {
  font-style: normal;
}

[hidden] {
  display: none !important;
}

.container {
  inline-size: 100%;
  max-inline-size: 74rem; /* 1184px */
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ------------------------------------------------------ focus and links */

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

a {
  color: var(--color-link);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

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

/* --------------------------------------------------------------- hidden */

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

/* Honeypot: clipped in place, outside the accessibility tree and tab order
   (markup supplies aria-hidden and tabindex). Absolute positioning inside the
   relative fieldset keeps it from widening the document scroll box. */
.honeypot {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ------------------------------------------------------------ skip link */

.skip-link,
body > a[href="#main"] {
  position: absolute;
  inset-block-start: var(--space-8);
  inset-inline-start: var(--space-8);
  z-index: 100;
  display: inline-flex;
  align-items: center;
  min-block-size: var(--size-target);
  padding: var(--space-8) var(--space-20);
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  font-weight: 600;
}

.skip-link:not(:focus):not(:focus-within),
body > a[href="#main"]:not(:focus):not(:focus-within) {
  inline-size: 1px;
  block-size: 1px;
  min-block-size: 0;
  padding: 0;
  border: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* -------------------------------------------------------------- buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  min-block-size: var(--size-control);
  padding-block: var(--space-8);
  padding-inline: var(--space-24);
  background: var(--color-action);
  color: var(--color-on-action);
  border: 0;
  border-radius: var(--radius-control);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 100ms ease-out;
}

.button:hover {
  background: var(--color-action-hover);
}

.button:active {
  background: var(--color-action-pressed);
  transform: translateY(1px);
}

/* Disabled and pending controls keep the action colors and readable text;
   no opacity reduction. */
.button:disabled {
  cursor: default;
}

.button:disabled:hover,
.button:disabled:active {
  background: var(--color-action);
  transform: none;
}

/* --------------------------------------------------------------- header */

#site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: var(--color-surface);
  border-block-end: 1px solid var(--color-divider);
}

#site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  min-block-size: var(--header-min);
  padding-block: var(--space-8);
}

#site-header a[href="#hero"] {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--size-target);
  font-size: var(--text-wordmark);
  line-height: var(--leading-wordmark);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-ink);
  text-decoration: none;
}

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

#site-header li {
  display: contents;
}

[data-section-link] {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  min-block-size: var(--size-target);
  padding-inline: var(--space-12);
  border-radius: var(--radius-control);
  color: var(--color-ink);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
  font-weight: 600;
  text-decoration: none;
}

[data-section-link]:hover {
  background: var(--color-muted);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.15em;
}

/* Current section: neutral background plus a shape marker, not color alone. */
[data-section-link][aria-current="location"] {
  background: var(--color-muted);
}

[data-section-link][aria-current="location"]::before {
  content: "";
  inline-size: 0.375rem;
  block-size: 0.375rem;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

#desktop-nav {
  display: none;
}

#mobile-nav > summary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  min-block-size: var(--size-target);
  padding-inline: var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

#mobile-nav > summary::-webkit-details-marker {
  display: none;
}

#mobile-nav > summary::after {
  content: "";
  border-inline: 0.3125rem solid transparent;
  border-block-start: 0.375rem solid currentColor;
}

#mobile-nav[open] > summary::after {
  border-block-start: 0;
  border-block-end: 0.375rem solid currentColor;
}

/* Open menu panel: opaque, full width, anchored under the sticky header. */
#mobile-nav[open] > :not(summary) {
  position: absolute;
  inset-inline: 0;
  inset-block-start: 100%;
  display: grid;
  gap: var(--space-8);
  padding: var(--space-8) var(--gutter) var(--space-16);
  background: var(--color-surface);
  border-block-end: 1px solid var(--color-divider);
}

#mobile-nav:not([open]) > :not(summary) {
  display: none;
}

#mobile-nav ul {
  display: grid;
  gap: var(--space-8);
}

#mobile-nav [data-section-link] {
  inline-size: 100%;
  justify-content: flex-start;
  padding-block: var(--space-8);
}

@media (min-width: 960px) {
  #desktop-nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }

  #desktop-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }

  #mobile-nav {
    display: none;
  }
}

/* ----------------------------------------------------------------- hero */

#hero {
  padding-block: var(--space-32) var(--space-48);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-40);
  align-items: start;
}

.hero-copy > p:has(+ h1),
#hero .eyebrow {
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-link);
  margin-block-end: var(--space-16);
}

.hero-copy h1 + p,
#hero .lead {
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
  color: var(--color-ink-2);
  max-inline-size: 48ch;
  margin-block-end: var(--space-32);
}

@media (min-width: 600px) {
  #hero {
    padding-block: var(--space-40) var(--space-64);
  }
}

@media (min-width: 960px) {
  #hero {
    padding-block: var(--space-64) var(--space-80);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--space-64);
  }
}

/* -------------------------------------------------------- waitlist form */

.waitlist {
  max-inline-size: 36rem;
}

[data-waitlist-fields] {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-12);
  min-inline-size: 0;
}

[data-waitlist-fields] label {
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
  font-weight: 600;
}

#email {
  inline-size: 100%;
  min-inline-size: 0;
  min-block-size: var(--size-field);
  padding-inline: var(--space-16);
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  font-size: var(--text-ui);
}

#email::placeholder {
  color: var(--color-ink-2);
  opacity: 1;
}

#email[aria-invalid="true"] {
  border-color: var(--color-error);
  box-shadow: inset 0 0 0 1px var(--color-error);
}

#email:read-only {
  background: var(--color-muted);
}

[data-waitlist-fields] .button {
  min-block-size: var(--size-field);
  min-inline-size: 10rem; /* pending label "Joining..." must not shrink the control */
  inline-size: 100%;
}

@media (min-width: 600px) {
  [data-waitlist-fields] {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  [data-waitlist-fields] > label {
    grid-column: 1 / -1;
  }

  #email {
    grid-column: 1;
    grid-row: 2;
  }

  [data-waitlist-fields] > .button {
    grid-column: 2;
    grid-row: 2;
    inline-size: auto;
  }

  #email-error {
    grid-column: 1 / -1;
  }
}

#email-error {
  margin: 0;
  color: var(--color-error);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
  font-weight: 600;
}

#email-error:empty {
  display: none;
}

#email-help {
  margin-block: var(--space-16) var(--space-8);
  color: var(--color-ink-2);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  column-gap: var(--space-16);
}

.legal-links a {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--size-target);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
}

/* Form status: quiet while loading, persistent panel on terminal states. */
#waitlist-status {
  margin-block: var(--space-16) 0;
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
  color: var(--color-ink-2);
}

#waitlist-status:empty {
  display: none;
}

#waitlist-form[data-state="success"] ~ #waitlist-status,
#waitlist-form[data-state="duplicate"] ~ #waitlist-status {
  background: var(--color-success-surface);
  color: var(--color-success);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-control);
  padding: var(--space-16) var(--space-20);
  font-weight: 600;
}

#waitlist-form[data-state="error"] ~ #waitlist-status {
  background: var(--color-error-surface);
  color: var(--color-error);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-control);
  padding: var(--space-16) var(--space-20);
  font-weight: 600;
}

#waitlist-reset {
  margin-block-start: var(--space-12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: var(--size-control);
  padding-inline: var(--space-24);
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
  font-weight: 600;
  cursor: pointer;
}

#waitlist-reset:hover {
  background: var(--color-muted);
}

[data-waitlist-unavailable] {
  margin-block-start: var(--space-16);
  padding: var(--space-12) var(--space-16);
  background: var(--color-muted);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-control);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
}

/* -------------------------------------------- illustrative checklist */

#support-example {
  padding: var(--space-32);
  background: var(--color-surface);
  border: 1px solid var(--card-edge);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
}

#support-example h2,
#support-example h3 {
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-block-end: var(--space-8);
}

#support-example figcaption {
  color: var(--color-ink-2);
  font-weight: 600;
  padding-block-end: var(--space-16);
  border-block-end: 1px solid var(--color-divider);
  margin-block-end: var(--space-8);
}

#support-example ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: support-step;
}

#support-example ol > li {
  counter-increment: support-step;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: var(--space-12);
  padding-block: var(--space-16);
}

#support-example ol > li + li {
  border-block-start: 1px solid var(--color-divider);
}

#support-example ol > li::before {
  content: counter(support-step) ".";
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-link);
}

#support-example ol > li > * {
  grid-column: 2;
}

#support-example li strong {
  display: block;
  color: var(--color-ink);
  margin-block-end: var(--space-4);
}

#support-example li p {
  color: var(--color-ink-2);
  margin-block-end: 0;
}

/* ---------------------------------------------------------------- scope */

#what {
  padding-block: var(--space-48);
}

.scope-list dt {
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  padding-block-start: var(--space-24);
  border-block-start: 1px solid var(--color-divider);
}

.scope-list dd {
  margin-inline: 0;
  margin-block: var(--space-8) var(--space-24);
  color: var(--color-ink-2);
}

@media (min-width: 960px) {
  #what {
    padding-block: var(--space-64);
  }
}

/* -------------------------------------------------------------- process */

#how {
  padding-block: var(--space-48);
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: process-step;
}

.process-list > li {
  counter-increment: process-step;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: var(--space-24);
  padding-block: var(--space-24);
  border-block-start: 1px solid var(--color-divider);
}

.process-list > li::before {
  content: counter(process-step);
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-2);
  min-inline-size: var(--space-32);
}

.process-list > li > * {
  grid-column: 2;
}

.process-list h3,
.process-list li strong {
  display: block;
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin-block-end: var(--space-8);
}

.process-list li p {
  color: var(--color-ink-2);
}

@media (min-width: 960px) {
  #how {
    padding-block: var(--space-80);
  }
}

/* ------------------------------------------------------------- evidence */

#evidence {
  background: var(--color-muted);
  padding-block: var(--space-48);
}

.evidence-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.evidence-list > li {
  padding-block: var(--space-24);
}

.evidence-list > li + li {
  border-block-start: 1px solid var(--color-divider);
}

.evidence-list li > strong,
.evidence-list .stat {
  display: block;
  font-size: var(--text-stat);
  line-height: var(--leading-stat);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
  margin-block-end: var(--space-8);
}

.citation {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--size-target);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
}

@media (min-width: 960px) {
  #evidence {
    padding-block: var(--space-64);
  }

  #evidence .container {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    column-gap: var(--space-48);
    align-items: start;
  }

  #evidence .container > h2,
  #evidence .container > .section-heading {
    grid-column: 1 / -1;
  }

  #evidence .container > .evidence-list {
    grid-column: 2;
    grid-row: 2 / span 4;
  }
}

/* ------------------------------------------------------------ questions */

#faq {
  padding-block: var(--space-48);
}

#faq .container > * {
  max-inline-size: 50rem; /* 800px reading width */
}

#faq details {
  border-block-start: 1px solid var(--color-divider);
}

#faq details + details {
  margin-block-start: var(--space-8);
}

#faq details:last-of-type {
  border-block-end: 1px solid var(--color-divider);
}

#faq summary,
#footer summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  min-block-size: var(--size-target);
  padding-block: var(--space-16);
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
}

#faq summary::-webkit-details-marker,
#footer summary::-webkit-details-marker {
  display: none;
}

#faq summary::after,
#footer summary::after {
  content: "";
  flex: none;
  border-inline: 0.3125rem solid transparent;
  border-block-start: 0.375rem solid currentColor;
}

#faq details[open] > summary::after,
#footer details[open] > summary::after {
  border-block-start: 0;
  border-block-end: 0.375rem solid currentColor;
}

#faq summary {
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  letter-spacing: -0.01em;
}

#faq details > :not(summary) {
  margin-block-start: 0;
}

#faq details[open] {
  padding-block-end: var(--space-24);
}

@media (min-width: 960px) {
  #faq {
    padding-block: var(--space-80);
  }
}

/* ----------------------------------------------------- final invitation */

#next-step {
  padding-block: var(--space-32);
}

#next-step .button {
  margin-block-start: var(--space-8);
}

@media (min-width: 960px) {
  #next-step {
    padding-block: var(--space-48);
  }
}

/* --------------------------------------------------------------- footer */

#footer {
  border-block-start: 1px solid var(--color-divider);
  padding-block: var(--space-40) var(--space-48);
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
  color: var(--color-ink-2);
}

#footer .container > * + * {
  margin-block-start: var(--space-24);
}

#footer p {
  max-inline-size: 65ch;
}

#footer a {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--size-target);
}

#footer details {
  border-block-start: 1px solid var(--color-divider);
}

#footer summary {
  font-size: var(--text-ui);
  line-height: var(--leading-ui);
}

#footer details[open] {
  padding-block-end: var(--space-16);
}

#footer details p {
  max-inline-size: 65ch;
}

/* -------------------------------------------------------- anchor offset */

#main {
  display: block;
}

#hero,
#join,
#what,
#how,
#evidence,
#faq,
#next-step,
#privacy,
#terms,
#main {
  scroll-margin-block-start: var(--header-offset);
}

/* ------------------------------------------------------- reduced motion */

@media (prefers-reduced-motion: reduce) {
  .button {
    transition: none;
  }

  .button:active {
    transform: none;
  }
}