:root {
  --ink:        #101418;
  --ink-2:      #3D4650;
  --ink-3:      #616A75;
  --paper:      #FCFBF9;
  --surface:    #FFFFFF;
  --surface-2:  #F5F3EF;
  --line:       #E6E2DA;
  --line-2:     #D6D1C7;

  --brand:      #0D6E5F;
  --brand-ink:  #0A564A;
  --brand-soft: #E6F1EE;

  --spell:      #D6455C;
  --gram:       #DC8A2E;
  --style:      #3B7BD6;

  --font: "Beiruti", "Segoe UI", system-ui, sans-serif;
  --t-xs:  .8125rem;
  --t-sm:  .9375rem;
  --t-md:  1.0625rem;
  --t-lg:  1.25rem;
  --t-xl:  clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem);
  --t-2xl: clamp(2rem, 1.3rem + 3vw, 3.4rem);

  --gut: clamp(1.25rem, 4vw, 2.5rem);
  --max: 1180px;
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;

  --sh-1: 0 1px 2px rgba(16,20,24,.05), 0 2px 8px rgba(16,20,24,.04);
  --sh-2: 0 4px 12px rgba(16,20,24,.07), 0 18px 40px rgba(16,20,24,.07);
  --sh-3: 0 8px 24px rgba(16,20,24,.10), 0 32px 70px rgba(16,20,24,.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink:        #F2F0EC;
    --ink-2:      #B4BBC3;
    --ink-3:      #87929C;
    --paper:      #0C1013;
    --surface:    #141A1E;
    --surface-2:  #1A2126;
    --line:       #242D33;
    --line-2:     #303B42;

    --brand:      #2FA894;
    --brand-ink:  #4FC4AF;
    --brand-soft: #122A28;

    --sh-1: 0 1px 2px rgba(0,0,0,.4);
    --sh-2: 0 4px 12px rgba(0,0,0,.45), 0 18px 40px rgba(0,0,0,.35);
    --sh-3: 0 8px 24px rgba(0,0,0,.5), 0 32px 70px rgba(0,0,0,.45);
  }
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font);
  font-size: var(--t-md);
  font-weight: 400;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-inline-size: 100%; }
ul, ol { list-style: none; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

h1, h2, h3, h4 { line-height: 1.28; font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: var(--t-xl); }
h3 { font-size: var(--t-lg); }

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

.skip {
  position: absolute; inset-block-start: -100px; inset-inline-start: 1rem;
  z-index: 200; padding: .7rem 1.1rem; border-radius: var(--r-sm);
  background: var(--brand); color: #fff;
}
.skip:focus { inset-block-start: 1rem; }

.wrap { inline-size: 100%; max-inline-size: var(--max); margin-inline: auto; padding-inline: var(--gut); }

.brand { display: inline-flex; align-items: center; gap: .55rem; }
.brand__mark {
  inline-size: 26px; block-size: 26px; border-radius: 8px;
  background: var(--brand); position: relative; flex: none;
}
.brand__mark::after {
  content: ""; position: absolute; inset-block-start: 50%; inset-inline-start: 50%;
  translate: 50% -50%;
  inline-size: 8px; block-size: 8px; border-radius: 50%; background: var(--paper);
}
.brand__word { font-size: 1.4rem; font-weight: 800; letter-spacing: -.02em; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .62rem 1.25rem; border-radius: 999px;
  font-size: var(--t-sm); font-weight: 600; white-space: nowrap;
  border: 1px solid transparent;
  transition: background-color .18s, color .18s, border-color .18s, transform .18s, box-shadow .18s;
}
.btn:active { transform: translateY(1px); }

.btn--solid { background: var(--brand); color: #fff; box-shadow: var(--sh-1); }
.btn--solid:hover { background: var(--brand-ink); box-shadow: var(--sh-2); }

.btn--ghost { border-color: var(--line-2); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink-3); background: var(--surface-2); }

.btn--quiet { color: var(--ink-2); }
.btn--quiet:hover { background: var(--surface-2); color: var(--ink); }

.btn--lg { padding: .85rem 1.75rem; font-size: var(--t-md); }
.btn--sm { padding: .34rem .8rem; font-size: var(--t-xs); }
.btn--block { display: flex; inline-size: 100%; }
.is-disabled { opacity: .45; pointer-events: none; }

.kbd {
  font-family: ui-monospace, "Cascadia Mono", Menlo, monospace;
  font-size: .78em; padding: .18em .5em; border-radius: 6px;
  background: var(--surface-2); border: 1px solid var(--line);
  color: var(--ink-2); white-space: nowrap;
}

.nav {
  position: sticky; inset-block-start: 0; z-index: 100;

  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
  border-block-end: 1px solid transparent;
  transition: border-color .2s, background-color .2s;
}
.nav.is-stuck { border-block-end-color: var(--line); }

.nav__inner { display: flex; align-items: center; gap: 2rem; block-size: 72px; }
.nav__links { display: flex; gap: 1.75rem; margin-inline-end: auto; font-size: var(--t-sm); }
.nav__links a { color: var(--ink-2); font-weight: 500; transition: color .16s; }
.nav__links a:hover { color: var(--ink); }
.nav__actions { display: flex; align-items: center; gap: .6rem; }

.nav__login-m { display: none; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: .5rem; }
.nav__toggle span { display: block; inline-size: 22px; block-size: 2px; border-radius: 2px; background: var(--ink); transition: .22s; }

.sec { padding-block: clamp(4rem, 9vw, 7.5rem); }
.sec--alt { background: var(--surface-2); }

.sec__head { max-inline-size: 62ch; margin-block-end: clamp(2.5rem, 5vw, 4rem); }
.sec__sub { margin-block-start: .9rem; color: var(--ink-2); font-size: var(--t-md); }

.eyebrow {
  font-size: var(--t-xs); font-weight: 700; letter-spacing: .06em;
  color: var(--brand); margin-block-end: .7rem;
}

.grid { display: grid; gap: clamp(1rem, 2.2vw, 1.5rem); }

.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); }

.hero { padding-block: clamp(3rem, 7vw, 6rem) clamp(4rem, 9vw, 7rem); overflow: clip; }
.hero__inner {
  display: grid; gap: clamp(3rem, 6vw, 4.5rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 940px) { .hero__inner { grid-template-columns: 1.05fr .95fr; } }

.hero__title { font-size: var(--t-2xl); font-weight: 800; letter-spacing: -.03em; }
.hero__title em {
  font-style: normal; color: var(--brand);
  background: linear-gradient(transparent 68%, var(--brand-soft) 68%);
}
.hero__sub { margin-block-start: 1.4rem; max-inline-size: 52ch; color: var(--ink-2); font-size: var(--t-lg); }
.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-block-start: 2.2rem; }
.hero__note { margin-block-start: 1.1rem; font-size: var(--t-sm); color: var(--ink-3); }

.demo {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--sh-3); overflow: hidden;
  rotate: -.6deg;
}
.demo__bar {
  display: flex; align-items: center; gap: .4rem;
  padding: .8rem 1.1rem; border-block-end: 1px solid var(--line); background: var(--surface-2);
}
.dot { inline-size: 9px; block-size: 9px; border-radius: 50%; background: var(--line-2); }
.demo__title { margin-inline-start: auto; font-size: var(--t-xs); color: var(--ink-3); font-weight: 600; }

.demo__body { padding: 1.6rem 1.4rem 1.2rem; }
.demo__text { font-size: 1.15rem; line-height: 2.1; color: var(--ink); }

.mark { padding-block-end: 2px; background-repeat: repeat-x; background-position: 0 100%; background-size: 6px 3px; }
.mark--spell { background-image: linear-gradient(90deg, var(--spell) 60%, transparent 60%); }
.mark--gram  { background-image: linear-gradient(90deg, var(--gram) 60%, transparent 60%); }
.mark--style { background-image: linear-gradient(90deg, var(--style) 60%, transparent 60%); }

.card {
  margin-block-start: 1.4rem; padding: 1.1rem 1.2rem;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); box-shadow: var(--sh-2);
}
.card__head { display: flex; align-items: center; gap: .6rem; margin-block-end: .8rem; }
.chip {
  font-size: var(--t-xs); font-weight: 700; padding: .12rem .6rem; border-radius: 999px;
  color: #fff;
}

.chip--spell { background: var(--spell); }
.chip--gram  { background: var(--gram); }
.chip--style { background: var(--style); }
.card__rule { font-size: var(--t-xs); color: var(--ink-3); font-weight: 600; }

.card__swap { display: flex; align-items: center; gap: .6rem; font-size: 1.15rem; flex-wrap: wrap; }
.card__swap s { color: var(--ink-3); text-decoration-color: var(--spell); }
.card__swap strong { color: var(--brand); font-weight: 700; }
.arrow { color: var(--ink-3); }

.card__why { margin-block-start: .5rem; font-size: var(--t-sm); color: var(--ink-2); }
.card__act { display: flex; gap: .5rem; margin-block-start: 1rem; }

.demo__foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1.4rem; border-block-start: 1px solid var(--line); background: var(--surface-2);
}
.badge {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: var(--t-xs); font-weight: 700; color: var(--brand);
}
.badge__mark {
  inline-size: 16px; block-size: 16px; border-radius: 5px; background: var(--brand);
  position: relative;
}
.badge__mark::after {
  content: ""; position: absolute; inset-block-start: 50%; inset-inline-start: 50%;
  translate: 50% -50%; inline-size: 5px; block-size: 5px; border-radius: 50%; background: var(--surface);
}
.demo__auto { font-size: var(--t-xs); color: var(--ink-3); font-weight: 600; }

.surface {
  padding: 1.6rem 1.4rem; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.surface:hover { border-color: var(--line-2); box-shadow: var(--sh-2); transform: translateY(-3px); }
.surface__ico {
  display: grid; place-items: center;
  inline-size: 40px; block-size: 40px; border-radius: 12px;
  background: var(--brand-soft); color: var(--brand); font-size: 1.1rem;
  margin-block-end: 1rem;
}
.surface p { margin-block-start: .5rem; color: var(--ink-2); font-size: var(--t-sm); }

.step { padding-block-start: 1.4rem; border-block-start: 2px solid var(--line-2); }
.step__n {
  display: block; font-size: 2rem; font-weight: 800;
  color: var(--brand); line-height: 1; margin-block-end: .7rem;
}
.step p { margin-block-start: .5rem; color: var(--ink-2); font-size: var(--t-sm); }

.ex {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--sh-2);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.ex:hover { transform: translateY(-3px); box-shadow: var(--sh-3); }

.ex__bar {
  display: flex; align-items: center; gap: .4rem;
  padding: .6rem .9rem;
  background: var(--surface-2);
  border-block-end: 1px solid var(--line);
}
.ex__app {
  margin-inline-start: auto;
  font-size: var(--t-xs); font-weight: 600; color: var(--ink-3);
}

.ex__body { padding: 1.1rem 1.1rem 1.3rem; display: flex; flex-direction: column; flex: 1; }

.ex__text {
  font-size: 1.02rem; line-height: 2.05; color: var(--ink);
  padding-block-end: 1rem;
  border-block-end: 1px solid var(--line);
  margin-block-end: 1rem;
}

.ex__fix { display: flex; align-items: center; gap: .5rem; margin-block-end: .6rem; }
.ex__rule { font-size: var(--t-xs); font-weight: 600; color: var(--ink-3); }

.ex__swap {
  display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
  font-size: 1.02rem; overflow-wrap: anywhere;
}
.ex__swap s { color: var(--ink-3); text-decoration-color: var(--spell); }
.ex__swap strong { color: var(--brand); font-weight: 700; }

.ex__why {
  margin-block-start: .55rem; margin-block-end: 0;
  font-size: var(--t-sm); line-height: 1.7; color: var(--ink-2);
}

.plan {
  max-inline-size: 760px; margin-inline: auto;
  display: grid; grid-template-columns: 1fr;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--sh-2); overflow: hidden;
}
@media (min-width: 760px) { .plan { grid-template-columns: 1fr 1fr; } }

.plan__top { padding: clamp(1.75rem, 4vw, 2.5rem); border-block-end: 1px solid var(--line); }
@media (min-width: 760px) {
  .plan__top { border-block-end: 0; border-inline-end: 1px solid var(--line); }
}
.plan__name { color: var(--ink-2); font-size: var(--t-md); font-weight: 600; }
.plan__price { display: flex; align-items: baseline; gap: .4rem; margin-block: .6rem .4rem; }
.plan__price .amount { font-size: 3rem; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.plan__price .per { color: var(--ink-3); font-size: var(--t-sm); }
.plan__note { font-size: var(--t-xs); color: var(--ink-3); margin-block-end: 1.5rem; }

.plan__list { padding: clamp(1.75rem, 4vw, 2.5rem); display: grid; gap: .7rem; align-content: start; }
.plan__list li {
  position: relative; padding-inline-start: 1.7rem;
  font-size: var(--t-sm); color: var(--ink-2);
}
.plan__list li::before {
  content: "✓"; position: absolute; inset-inline-start: 0;
  color: var(--brand); font-weight: 700;
}

.app {
  padding: 1.6rem 1.4rem; text-align: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
}
.app__state { margin-block: .4rem 1.2rem; font-size: var(--t-sm); color: var(--ink-3); }
.app__state--ready { color: var(--brand); font-weight: 600; }

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

.push-end { margin-inline-start: auto; }
.mt-1 { margin-block-start: 1rem; }

.form { text-align: start; margin-block-start: 1.6rem; }

.field { margin-block-end: 1.1rem; }
.field__label {
  display: block; font-size: var(--t-sm); font-weight: 600;
  color: var(--ink); margin-block-end: .45rem;
}
.field__input {
  inline-size: 100%; display: block;
  padding: .78rem 1rem;
  font-family: inherit; font-size: var(--t-md);
  color: var(--ink); background: var(--paper);
  border: 1px solid var(--line-2); border-radius: var(--r-sm);
}
.field__input::placeholder { color: var(--ink-3); opacity: 1; }
.field__input:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.field__input:disabled { opacity: .6; cursor: not-allowed; }
.field__input[aria-invalid="true"] { border-color: var(--spell); }
.field__area { min-block-size: 8rem; line-height: 1.75; resize: vertical; }

.field__input--ltr { direction: ltr; text-align: start; }

.field__hint { margin-block-start: .4rem; font-size: var(--t-xs); color: var(--ink-3); line-height: 1.6; }

.field__wrap { position: relative; }
.field__toggle {
  position: absolute; inset-block-start: 50%; inset-inline-end: .6rem;
  transform: translateY(-50%);
  font-size: var(--t-xs); font-weight: 600; color: var(--ink-3);
  padding: .3rem .5rem; border-radius: 6px;
}
.field__toggle:hover { color: var(--brand); background: var(--surface-2); }

.form__msg {
  margin-block: 1rem 0; padding: .75rem .9rem;
  font-size: var(--t-sm); line-height: 1.7;
  border-radius: var(--r-sm); display: none;
}
.form__msg[data-state="error"] {
  display: block; color: #8A2233;
  background: #FDECEF; border-inline-start: 3px solid var(--spell);
}
.form__msg[data-state="ok"] {
  display: block; color: var(--brand-ink);
  background: var(--brand-soft); border-inline-start: 3px solid var(--brand);
}

.form__alt {
  margin-block-start: 1.3rem; text-align: center;
  font-size: var(--t-sm); color: var(--ink-2);
}
.form__alt a { color: var(--brand); font-weight: 600; }
.form__alt a:hover { text-decoration: underline; text-underline-offset: 3px; }

.step-panel { display: none; }
.step-panel.is-active { display: block; }

@media (prefers-color-scheme: dark) {
  .form__msg[data-state="error"] {
    color: #FFC9D2; background: #2A1418;
  }
}

.btn--danger { background: var(--spell); color: #fff; }
.btn--danger:hover { background: #B8384C; }
.btn--danger:disabled { opacity: .45; pointer-events: none; }

.dash { padding-block: clamp(2rem, 5vw, 3.5rem); min-block-size: calc(100vh - 72px); }
.dash__inner { display: grid; gap: clamp(1.5rem, 4vw, 2.5rem); grid-template-columns: 1fr; }
@media (min-width: 860px) { .dash__inner { grid-template-columns: 260px 1fr; align-items: start; } }

.dash__side {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 1.2rem;
}
.dash__user { display: flex; align-items: center; gap: .75rem; margin-block-end: 1.2rem; }
.dash__avatar {
  inline-size: 42px; block-size: 42px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand);
  font-size: 1.2rem; font-weight: 800;
}
.dash__email { font-size: var(--t-sm); font-weight: 600; word-break: break-all; }
.dash__badge { font-size: var(--t-xs); color: var(--ink-3); margin-block-start: .15rem; }

.dash__tabs { display: flex; flex-direction: column; gap: .25rem; }
.dash__tab {
  text-align: start; padding: .65rem .8rem; border-radius: var(--r-sm);
  font-size: var(--t-sm); font-weight: 600; color: var(--ink-2);
  transition: background-color .16s, color .16s;
}
.dash__tab:hover { background: var(--surface-2); color: var(--ink); }
.dash__tab.is-active { background: var(--brand-soft); color: var(--brand-ink); }

.dash__main {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: clamp(1.4rem, 4vw, 2.2rem);
}
.dash__panel { display: none; }
.dash__panel.is-active { display: block; }
.dash__panel h1 { font-size: var(--t-xl); margin-block-end: 1.2rem; }
.dash__panel h2 { font-size: var(--t-lg); margin-block: 2rem .8rem; }
.dash__panel > p { color: var(--ink-2); font-size: var(--t-sm); }
.dash__empty {
  padding: 1.4rem; text-align: center; color: var(--ink-3);
  font-size: var(--t-sm); background: var(--surface-2); border-radius: var(--r-sm);
}

.card-row {
  display: grid; gap: .8rem; margin-block-end: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr));
}
.stat { padding: .9rem 1rem; background: var(--surface-2); border-radius: var(--r-sm); }
.stat__label { font-size: var(--t-xs); color: var(--ink-3); margin-block-end: .25rem; }
.stat__value { font-size: var(--t-md); font-weight: 700; }

.notice {
  padding: .9rem 1.1rem; border-radius: var(--r-sm);
  background: var(--brand-soft); border-inline-start: 3px solid var(--brand);
  font-size: var(--t-sm); line-height: 1.8; color: var(--ink-2);
}

.dl-list { display: grid; gap: .7rem; margin-block-start: 1.2rem; }
.dl {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: var(--r-sm);
}
.dl h3 { font-size: var(--t-md); }
.dl p { font-size: var(--t-xs); color: var(--ink-3); margin-block-start: .2rem; }
.dl__state {
  margin-inline-start: auto; font-size: var(--t-xs); font-weight: 600;
  color: var(--ink-3); white-space: nowrap;
}

.cta { padding-block: clamp(4rem, 8vw, 6.5rem); background: var(--brand); color: #fff; }
.cta__inner { text-align: center; max-inline-size: 60ch; margin-inline: auto; }
.cta h2 { font-size: var(--t-xl); }
.cta p { margin-block: .9rem 2rem; opacity: .9; }
.cta .btn--solid { background: #fff; color: var(--brand-ink); }
.cta .btn--solid:hover { background: var(--paper); }

.foot { background: var(--surface-2); border-block-start: 1px solid var(--line); }
.foot__inner {
  display: grid; gap: 2.5rem; padding-block: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .foot__inner { grid-template-columns: 1fr 1.4fr; } }

.foot__brand p { margin-block-start: .7rem; color: var(--ink-3); font-size: var(--t-sm); }
.foot__cols { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(min(140px, 100%), 1fr)); }
.foot__cols h4 { font-size: var(--t-sm); margin-block-end: .8rem; }
.foot__cols a {
  display: block; font-size: var(--t-sm); color: var(--ink-2);
  padding-block: .28rem; transition: color .16s;
}
.foot__cols a:hover { color: var(--brand); }

.foot__bar {
  display: flex; flex-wrap: wrap; gap: .5rem;
  justify-content: space-between; align-items: center;
  padding-block: 1.2rem; border-block-start: 1px solid var(--line);
  font-size: var(--t-xs); color: var(--ink-3);
}

.page {
  min-block-size: calc(100vh - 72px);
  display: grid; place-items: center;
  padding: clamp(3rem, 8vw, 6rem) var(--gut);
}
.panel {
  inline-size: 100%; max-inline-size: 440px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--sh-2);
  padding: clamp(2rem, 5vw, 3rem);
  text-align: center;
}
.panel .brand__mark { margin-inline: auto; margin-block-end: 1.2rem; inline-size: 40px; block-size: 40px; border-radius: 12px; }
.panel .brand__mark::after { inline-size: 12px; block-size: 12px; }
.panel h1 { font-size: var(--t-xl); margin-block-end: .8rem; }
.panel p { color: var(--ink-2); font-size: var(--t-sm); margin-block-end: 1.8rem; }
.panel .btn + .btn { margin-block-start: .6rem; }

.prose {
  max-inline-size: 72ch; margin-inline: auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--gut);
}
.prose h1 { font-size: var(--t-xl); margin-block-end: .4rem; }
.prose__meta { color: var(--ink-3); font-size: var(--t-xs); margin-block-end: 2.2rem; }
.prose h2 { margin-block: 1.8rem .5rem; font-size: var(--t-lg); }
.prose p, .prose li { color: var(--ink-2); font-size: var(--t-sm); }
.prose ul { list-style: disc; padding-inline-start: 1.4rem; }
.prose li { margin-block-end: .3rem; }
.prose__note {
  margin-block-start: 2.5rem; padding: .9rem 1.1rem;
  background: var(--surface-2); border-inline-start: 3px solid var(--brand);
  border-radius: var(--r-sm); font-size: var(--t-xs); color: var(--ink-2);
}

.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 880px) {
  .nav__toggle { display: flex; }
  .nav__actions { margin-inline-start: auto; }

  .nav__actions .btn--ghost { display: none; }
  .nav__login-m { display: block; }

  .nav__links {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; gap: 0;
    padding: 1rem var(--gut) 1.6rem;
    background: var(--paper); border-block-end: 1px solid var(--line);
    box-shadow: var(--sh-2);
    max-block-size: calc(100vh - 72px); overflow-y: auto;
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { padding-block: .8rem; font-size: var(--t-md); border-block-end: 1px solid var(--line); }
  .nav__links a:last-child { border-block-end: 0; }

  .nav__toggle[aria-expanded="true"] span:nth-child(1) { translate: 0 7px; rotate: 45deg; }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) { translate: 0 -7px; rotate: -45deg; }

  .demo { rotate: 0deg; }
}