/* Sivio website: shared styles.
   Mobile first. System fonts only. No external files, scripts or trackers.
   Colours are a neutral placeholder with one dark teal accent; they will follow the app's design decision. */

:root {
  color-scheme: light dark;

  --bg: #f7f7f4;
  --surface: #ffffff;
  --surface-2: #f0f1ed;
  --text: #1a1f1e;
  --muted: #4a5452;
  --border: #dde1dc;
  --accent: #0b5c63;
  --accent-strong: #074247;
  --accent-soft: #e3efee;
  --on-accent: #ffffff;

  --draft-bg: #fff1c7;
  --draft-text: #4d3800;
  --draft-border: #e3c35f;

  /* The app's Led / Did / Helped colours, darkened for text on white. */
  --led: #3d3a9c;
  --did: #00666f;
  --helped: #9a4800;
  --bad: #a3261d;
  --ok: #1d6a39;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgb(16 24 22 / 0.05), 0 6px 20px rgb(16 24 22 / 0.05);
  --measure: 44rem;
  --wide: 70rem;
  --gutter: 1rem;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Noto Sans", "Noto Sans Arabic", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1312;
    --surface: #161b1a;
    --surface-2: #1d2322;
    --text: #e7ecea;
    --muted: #a9b3b0;
    --border: #2b3332;
    --accent: #71cfcf;
    --accent-strong: #9adede;
    --accent-soft: #143331;
    --on-accent: #062b2e;

    --draft-bg: #3a2d05;
    --draft-text: #f6dc8c;
    --draft-border: #6e5717;

    --led: #b0adff;
    --did: #72d1d7;
    --helped: #f2a862;
    --bad: #ff8f85;
    --ok: #82d69d;

    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 6px 20px rgb(0 0 0 / 0.25);
  }
}

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

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

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

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

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2rem, 1.4rem + 3.4vw, 3.4rem);
  letter-spacing: -0.025em;
  line-height: 1.08;
}

h2 {
  font-size: clamp(1.4rem, 1.2rem + 1vw, 1.9rem);
}

h3 {
  font-size: 1.125rem;
}

p,
ul,
ol,
dl {
  margin: 0 0 1em;
}

p,
li {
  text-wrap: pretty;
}

ul,
ol {
  padding-inline-start: 1.25em;
}

li + li {
  margin-top: 0.35em;
}

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

a:hover {
  color: var(--accent-strong);
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

strong {
  font-weight: 650;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--surface-2);
  padding: 0.1em 0.35em;
  border-radius: 5px;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.container {
  width: min(100% - 2 * var(--gutter), var(--wide));
  margin-inline: auto;
}

.narrow {
  width: min(100% - 2 * var(--gutter), var(--measure));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 10;
  background: var(--surface);
  color: var(--text);
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.skip-link:focus {
  top: 0.75rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- draft banner and notes ---------- */

.draft-banner {
  background: var(--draft-bg);
  color: var(--draft-text);
  border-bottom: 1px solid var(--draft-border);
  font-size: 0.9375rem;
  line-height: 1.4;
  padding: 0.55rem var(--gutter);
  text-align: center;
}

.draft-banner strong {
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 750;
}

.draft-note {
  border: 1px dashed var(--draft-border);
  background: var(--draft-bg);
  color: var(--draft-text);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.draft-note::before {
  content: "Draft note for the owner: ";
  font-weight: 700;
}

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

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  padding-block: 0.8rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--text);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 0.55rem;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: 0;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav li + li {
  margin: 0;
}

.site-nav a {
  display: inline-block;
  padding: 0.35rem 0;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 550;
}

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

.site-nav a[aria-current="page"] {
  color: var(--text);
  box-shadow: inset 0 -2px 0 var(--accent);
}

/* ---------- home: hero ---------- */

.hero {
  padding-block: 2.75rem 2.5rem;
}

.hero-grid {
  display: grid;
  gap: 2.25rem;
  align-items: center;
}

.eyebrow {
  display: block;
  font-size: 0.8125rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.lead {
  font-size: clamp(1.1rem, 1rem + 0.45vw, 1.3rem);
  color: var(--muted);
  max-width: 36rem;
}

.lead strong {
  color: var(--text);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 1.5rem;
}

.soon {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.1rem;
  border-radius: 1.6rem;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 650;
}

.soon-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.75;
}

.small-facts {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- example cards (CSS only, no images) ---------- */

.example {
  display: grid;
  gap: 0.9rem;
}

.example-label {
  font-size: 0.8125rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
}

.card h3 {
  margin-bottom: 0.25rem;
}

.card p:last-child,
.card ul:last-child {
  margin-bottom: 0;
}

.role-line {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.fact {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.fact p {
  margin: 0;
}

.tag {
  flex: none;
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  padding: 0.35rem 0.5rem;
  border-radius: 999px;
  margin-top: 0.2rem;
}

.tag-led {
  color: var(--led);
  background: color-mix(in srgb, var(--led) 13%, transparent);
}

.tag-did {
  color: var(--did);
  background: color-mix(in srgb, var(--did) 13%, transparent);
}

.tag-helped {
  color: var(--helped);
  background: color-mix(in srgb, var(--helped) 13%, transparent);
}

.line-new {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border-radius: 3px;
  padding: 0 0.12em;
}

.source {
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--muted);
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin: 0.7rem 0 0;
}

.checks li {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--ok);
}

.checks li::before {
  content: "\2713\00a0";
}

.card-rejected {
  border-style: dashed;
}

.card-rejected .verdict {
  color: var(--bad);
  font-weight: 650;
  font-size: 0.875rem;
  margin: 0 0 0.3rem;
}

.card-rejected .struck {
  text-decoration: line-through;
  text-decoration-color: var(--bad);
  text-decoration-thickness: 2px;
  color: var(--muted);
}

/* ---------- home: sections ---------- */

.section {
  padding-block: 2.75rem;
  border-top: 1px solid var(--border);
}

.section-intro {
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.0625rem;
}

.steps {
  display: grid;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  counter-reset: step;
}

.steps li {
  margin: 0;
  counter-increment: step;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem 1.15rem;
}

.steps li::before {
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 750;
  font-size: 0.95rem;
  margin-bottom: 0.6rem;
}

.steps h3 {
  margin-bottom: 0.35rem;
}

.steps p {
  margin: 0;
  color: var(--muted);
}

.levels {
  display: grid;
  gap: 0.6rem;
  margin: 1.25rem 0 0;
}

.levels div {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
}

.levels dt {
  flex: none;
  width: 4.6rem;
}

.levels dd {
  margin: 0;
  color: var(--muted);
}

.split {
  display: grid;
  gap: 1.75rem;
}

.ticks {
  list-style: none;
  padding: 0;
}

.ticks li {
  position: relative;
  padding-left: 1.6rem;
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.55em;
  width: 0.7rem;
  height: 0.38rem;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.callout {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

.callout-spaced {
  margin-top: 1.5rem;
}

/* plans */

.plans {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.plan {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.2rem;
  display: flex;
  flex-direction: column;
}

.plan h3 {
  margin-bottom: 0.15rem;
}

.plan .plan-sub {
  color: var(--muted);
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
}

.plan ul {
  margin-bottom: 0;
}

.plan-free {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: inset 0 3px 0 var(--accent);
}

.fine {
  color: var(--muted);
  font-size: 0.9375rem;
  margin-top: 1.25rem;
  max-width: 46rem;
}

/* ---------- legal and support pages ---------- */

.page-head {
  padding-block: 2.25rem 1rem;
}

.page-head h1 {
  font-size: clamp(1.9rem, 1.5rem + 2vw, 2.6rem);
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

.summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem 0.4rem;
  margin: 1.25rem 0 2rem;
}

.summary h2 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.toc {
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.15rem 0.5rem;
  margin: 0 0 2.25rem;
  font-size: 0.975rem;
}

.toc h2 {
  font-size: 0.875rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.toc ol {
  margin-bottom: 0.5rem;
}

.toc li + li {
  margin-top: 0.15rem;
}

.doc section {
  scroll-margin-top: 1rem;
  margin-bottom: 2.25rem;
}

.doc section > h2 {
  font-size: clamp(1.3rem, 1.15rem + 0.6vw, 1.55rem);
  padding-top: 0.25rem;
}

.contact-card h2 {
  font-size: 1.25rem;
}

.doc h3 {
  margin-top: 1.4rem;
}

.doc blockquote {
  margin: 0 0 1em;
  padding: 0.5rem 1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}

.doc blockquote p {
  margin: 0;
}

.doc blockquote cite {
  display: block;
  font-style: normal;
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.data-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 1.25rem;
}

.data-list > div {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
}

.data-list dt {
  font-weight: 650;
  margin-bottom: 0.2rem;
}

.data-list dd {
  margin: 0;
  color: var(--muted);
}

.path {
  font-weight: 600;
  color: var(--text);
}

/* FAQ: native disclosure, works without scripts */

.faq {
  margin: 1rem 0 2rem;
  border-top: 1px solid var(--border);
}

.faq details {
  border-bottom: 1px solid var(--border);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 2rem 1rem 0;
  position: relative;
  font-weight: 650;
  font-size: 1.05rem;
}

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

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  top: 0.85rem;
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--accent);
}

.faq details[open] summary::after {
  content: "\2212";
}

.faq .answer {
  padding: 0 0 1rem;
}

.faq .answer > :last-child {
  margin-bottom: 0;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  margin: 1.25rem 0 2rem;
}

.contact-card .email {
  font-size: 1.2rem;
  font-weight: 650;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  margin-top: 3rem;
  padding-block: 1.75rem 2.25rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

.site-footer nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.site-footer nav li + li {
  margin: 0;
}

.site-footer a {
  color: var(--text);
}

.site-footer p {
  margin-bottom: 0.4rem;
}

/* ---------- wider screens ---------- */

@media (min-width: 40rem) {
  :root {
    --gutter: 1.5rem;
  }

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

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

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

@media (min-width: 60rem) {
  .hero {
    padding-block: 4.5rem 4rem;
  }

  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
  }

  .section {
    padding-block: 4rem;
  }

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

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

  .split {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }
}

/* ---------- print ---------- */

@media print {
  .site-header,
  .site-footer,
  .skip-link,
  .toc {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }
}

/* Invite page (/i/<CODE>, made by worker.js) */
.invite .invite-code { font-size: 2.2rem; letter-spacing: .18em; font-weight: 700; margin: .4em 0 .6em }
.invite ol { padding-left: 1.2em; display: grid; gap: .4em }
.invite .button { display: inline-block; padding: .8em 1.6em; border-radius: 14px; background: #7443B8; color: #fff; font-weight: 700; text-decoration: none }