:root {
  color-scheme: dark;
  --background: #081122;
  --surface: #111c31;
  --surface-raised: #17243d;
  --text: #f4f7fb;
  --muted: #aeb9cb;
  --line: #293754;
  --orange: #ffa000;
  --green: #4caf50;
  --purple: #b878ef;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 85% -10%, rgba(184, 120, 239, 0.16), transparent 34rem),
    radial-gradient(circle at -10% 35%, rgba(255, 160, 0, 0.11), transparent 30rem),
    var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: #d09bff;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #e7c7ff;
}

.site-header,
.site-footer,
main {
  width: min(calc(100% - 3rem), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 3px solid var(--orange);
  border-radius: 50%;
  color: var(--orange);
  font-size: 0.85rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-header nav {
  justify-content: flex-end;
}

nav a {
  align-items: center;
  color: var(--muted);
  display: inline-flex;
  font-size: 0.94rem;
  min-height: 2.75rem;
  padding-inline: 0.2rem;
  text-decoration: none;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text);
}

.language-menu {
  position: relative;
}

.language-menu summary {
  align-items: center;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  font-size: 0.94rem;
  gap: 0.3rem;
  list-style: none;
  min-height: 2.75rem;
  padding-inline: 0.2rem;
}

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

.language-menu summary::after {
  content: "▾";
  font-size: 0.75em;
}

.language-menu[open] summary,
.language-menu summary:hover {
  color: var(--text);
}

.language-options {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  box-shadow: 0 0.8rem 2rem rgb(0 0 0 / 28%);
  display: grid;
  gap: 0.1rem;
  min-width: 7.5rem;
  padding: 0.35rem;
  position: absolute;
  right: 0;
  top: calc(100% + 0.45rem);
  z-index: 10;
}

.language-options a {
  border-radius: 0.4rem;
  color: var(--muted);
  padding: 0.42rem 0.55rem;
  text-decoration: none;
}

.language-options a:hover,
.language-options a[aria-current="true"] {
  background: rgb(255 160 0 / 14%);
  color: var(--text);
}

main {
  padding-block: clamp(2.5rem, 5vw, 4rem) clamp(3rem, 5vw, 4.5rem);
}

main:not(.legal-page) > section + section {
  margin-top: clamp(3rem, 6vw, 4.5rem);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(16rem, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  min-height: 0;
  padding-block: clamp(0.5rem, 2vw, 1.75rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--orange);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.16;
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5.75rem);
  letter-spacing: -0.055em;
}

.legal-page h1 {
  max-width: 19ch;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
}

h2 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 2rem);
}

h3 {
  margin-top: 1.75rem;
  font-size: 1.08rem;
}

.lead {
  max-width: 43rem;
  margin-block: 1.5rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.support-email {
  margin-block: 1.5rem;
  color: var(--text);
  font-size: clamp(1.15rem, 4vw, 1.75rem);
  font-weight: 750;
  overflow-wrap: anywhere;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  border-color: var(--green);
  background: var(--green);
  color: #071309;
}

.focus-ring {
  display: grid;
  width: min(70vw, 19rem);
  aspect-ratio: 1;
  place-items: center;
  justify-self: center;
  border: 1.15rem solid var(--surface-raised);
  border-top-color: var(--green);
  border-right-color: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 5rem rgba(76, 175, 80, 0.12);
  text-align: center;
}

.focus-ring strong {
  display: block;
  font-size: 2rem;
}

.focus-ring span {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.trailer-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 22rem);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding: clamp(1.5rem, 4vw, 2.8rem);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: linear-gradient(135deg, rgba(23, 36, 61, 0.96), rgba(17, 28, 49, 0.86));
}

.trailer-copy p:not(.eyebrow) {
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.trailer-player {
  width: min(100%, 22rem);
  aspect-ratio: 9 / 16;
  justify-self: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: #000;
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.28);
}

.trailer-player iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.quick-start-page section + section {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  border-top: 1px solid var(--line);
}

.story,
.share-section {
  padding: clamp(1.5rem, 4vw, 2.8rem);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: linear-gradient(135deg, rgba(23, 36, 61, 0.96), rgba(17, 28, 49, 0.86));
}

.story-copy {
  max-width: 49rem;
}

.story p:not(.eyebrow),
.share-section p:not(.eyebrow) {
  max-width: 49rem;
  color: var(--muted);
}

.story blockquote {
  max-width: 49rem;
  margin: 1.75rem 0 0;
  padding: 1rem 1.2rem;
  border-left: 0.3rem solid var(--orange);
  border-radius: 0 0.75rem 0.75rem 0;
  background: rgba(8, 17, 34, 0.42);
  color: var(--text);
  font-size: 1.05rem;
  font-style: italic;
}

.section-lead,
.mode-note,
.mode-closing {
  max-width: 49rem;
  color: var(--muted);
}

.section-lead {
  margin: 1rem 0 0;
  font-size: 1.08rem;
}

.mode-note {
  margin: 0.75rem 0 0;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.mode-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  border-top: 0.25rem solid var(--mode-accent);
  background: linear-gradient(155deg, color-mix(in srgb, var(--mode-accent) 10%, var(--surface)), var(--surface));
}

.mode-number,
.mode-subtitle,
.support-level {
  font-weight: 800;
}

.mode-number {
  color: var(--mode-accent);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
}

.mode-card h3 {
  margin: 0.75rem 0 0;
}

.mode-card p {
  margin: 0.9rem 0 0;
}

.mode-subtitle {
  color: var(--text);
}

.support-level {
  margin-top: auto !important;
  padding-top: 1.4rem;
  color: var(--mode-accent) !important;
  font-size: 0.9rem;
}

.mode-private { --mode-accent: #aeb9cb; }
.mode-individual { --mode-accent: var(--purple); }
.mode-social { --mode-accent: var(--orange); }
.mode-partner { --mode-accent: var(--green); }

.mode-closing {
  margin: 1.5rem 0 0;
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.step-card span {
  color: var(--orange);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.step-card h3 {
  margin-top: 0.75rem;
}

.step-card {
  position: relative;
}

.step-icon {
  position: absolute;
  inset-block-start: 1rem;
  inset-inline-end: 1rem;
  width: 2.25rem;
  height: 2.25rem;
  fill: none;
  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.step-notice .step-icon { stroke: #78b8ff; }
.step-nudge .step-icon { stroke: var(--orange); }
.step-build .step-icon { stroke: var(--green); }

.card,
.notice {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(17, 28, 49, 0.88);
}

.card {
  padding: 1.4rem;
}

.card h3 {
  margin-top: 0;
}

.card p,
.muted,
.meta {
  color: var(--muted);
}

.visual-feature-card {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  align-items: start;
  gap: 1rem;
  padding: 1.25rem;
}

.visual-feature-icon {
  display: block;
  width: 3.25rem;
  height: 3.25rem;
  fill: none;
  stroke: var(--orange);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.visual-feature-icon .icon-secondary {
  stroke: #78b8ff;
}

.visual-feature-icon .icon-muted {
  stroke: #52627f;
}

.visual-feature-icon .icon-fill {
  fill: var(--orange);
  stroke: none;
}

.visual-feature-icon .icon-secondary-fill {
  fill: #78b8ff;
  stroke: none;
}

.visual-feature-icon .icon-soft-fill {
  fill: #ffd778;
  stroke: none;
}

.visual-feature-copy {
  min-width: 0;
}

.visual-feature-copy h3,
.visual-feature-copy p {
  margin: 0;
}

.visual-feature-copy p {
  margin-top: 0.55rem;
}

.notice {
  margin-inline: 0;
  padding: 1rem 1.2rem;
  border-left: 0.3rem solid var(--orange);
}

main > .notice {
  margin-top: clamp(3rem, 6vw, 4.5rem);
}

.legal-page {
  max-width: 52rem;
}

.legal-page section {
  padding-block: 2.25rem;
  border-bottom: 1px solid rgba(41, 55, 84, 0.72);
}

.legal-page section > :last-child {
  margin-bottom: 0;
}

.legal-page .notice {
  margin-top: 1.25rem;
}

.legal-page li + li {
  margin-top: 0.55rem;
}

.steps {
  padding-left: 1.4rem;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1000px) and (min-width: 761px) {
  .mode-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header,
  .site-footer,
  main {
    width: min(calc(100% - 2rem), var(--max-width));
  }

  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header {
    gap: 0.85rem;
    padding-block: 1rem;
  }

  .site-header nav {
    width: 100%;
    justify-content: flex-start;
    gap: 0.45rem 0.85rem;
  }

  .site-header nav a {
    font-size: 0.88rem;
  }

  .language-menu summary {
    font-size: 0.88rem;
  }

  /* Keep the selector on its own row after the navigation wraps. The popup is
     then anchored inside the full available header width instead of overflowing
     from whichever edge happened to receive the final wrapped nav item. */
  .language-menu {
    flex-basis: 100%;
    width: 100%;
  }

  .language-options {
    left: 0;
    right: auto;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 1.75rem;
    padding-block: 0;
  }

  .trailer-section {
    grid-template-columns: 1fr;
  }

  .focus-ring {
    grid-row: 1;
    width: min(58vw, 15rem);
  }

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

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

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

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

  main {
    padding-block: 2.25rem 3rem;
  }

  main:not(.legal-page) > section + section {
    margin-top: 3.25rem;
  }

  main > .notice {
    margin-top: 3.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* Shared navigation and content disclosures. */
[id] { scroll-margin-top: 7rem; }
.modern-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(8, 17, 34, 0.97);
  backdrop-filter: blur(16px);
  gap: 1rem;
}
.modern-header .brand { flex-shrink: 0; font-size: 0.9rem; }
.modern-header nav { align-items: center; gap: 0.7rem; }
.modern-header .nav-install { color: var(--orange); font-weight: 750; }
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 0.65rem;
  min-height: 2.75rem;
  padding: 0.5rem 0.8rem;
  font: inherit;
  cursor: pointer;
}
button:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.mode-grid { align-items: start; grid-template-columns: repeat(2, minmax(0, 1fr)); }
details.mode-card { display: block; min-height: 0; padding: 0; overflow-wrap: anywhere; }
.mode-card summary { position: relative; padding: 1.5rem; cursor: pointer; list-style: none; }
.mode-card summary::-webkit-details-marker, .faq-list summary::-webkit-details-marker { display: none; }
.mode-card summary > span { display: block; }
.mode-title { font-size: 1.35rem; font-weight: 750; margin-top: 0.5rem; line-height: 1.3; }
.mode-icon { position: absolute; inset-block-start: 1.25rem; inset-inline-end: 1.4rem; width: 2.5rem; height: 2.5rem; fill: none; stroke: var(--mode-accent); stroke-width: 2.25; stroke-linecap: round; stroke-linejoin: round; }
.mode-card .mode-subtitle { margin-top: 0.4rem; font-weight: 400; color: var(--muted); }
.mode-card .support-level { padding-top: 1rem; }
.expand-label { color: var(--text); font-size: 0.9rem; margin-top: 1.25rem; }
.disclosure-arrow { display: inline-block; margin-inline-start: 0.7rem; transition: transform 160ms ease; }
details[open] > summary .disclosure-arrow { transform: rotate(180deg); }
.mode-content { margin-inline: 1.5rem; padding-block: 0 1.5rem; border-top: 1px solid var(--line); }
.faq-list { margin-top: 1.5rem; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 0; cursor: pointer; font-weight: 650; list-style: none; }
.faq-answer { max-width: 48rem; padding-bottom: 1.5rem; color: var(--muted); }
.faq-answer p { margin-top: 0; }
.story { background: var(--surface); border: 0; }
@media (max-width: 1050px) {
  .modern-header { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .modern-header.navigation-ready .menu-toggle { display: inline-flex; align-items: center; gap: 0.6rem; }
  .modern-header nav { flex-basis: 100%; justify-content: flex-start; }
  .modern-header.navigation-ready nav { display: none; max-height: 65dvh; overflow-y: auto; }
  .modern-header.navigation-ready .menu-toggle[aria-expanded="true"] + nav { display: flex; flex-direction: column; align-items: stretch; }
  .modern-header nav a { padding: 0.55rem; font-size: 1rem; }
  .modern-header .language-menu { width: 100%; }
  .modern-header .language-menu summary { padding: 0.55rem; }
  .modern-header .language-options { position: static; min-width: 0; box-shadow: none; }
}
@media (max-width: 600px) {
  .mode-grid { grid-template-columns: 1fr; }
  .mode-card summary { padding: 1.25rem; }
  .mode-content { margin-inline: 1.25rem; }
  .modern-header .brand { font-size: 0.8rem; gap: 0.5rem; }
}