/* ------------------------------------------------------------------- fonts */
/* Self-hosted. Inter and Instrument Serif, SIL Open Font License 1.1.
   Licence texts: assets/fonts/OFL-Inter.txt, assets/fonts/OFL-InstrumentSerif.txt.
   The page makes no external requests. */
@font-face {
  font-family: 'Instrument Serif';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/instrument-serif-italic-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/instrument-serif-italic-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/instrument-serif-normal-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/instrument-serif-normal-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('assets/fonts/inter-normal-400700-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('assets/fonts/inter-normal-400700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ------------------------------------------------------------------ tokens */
:root {
  --paper: #f6f5f1;
  --paper-2: #efeee8;
  --surface: #ffffff;
  --ink: #1f1f1d;
  --ink-2: #55544f;
  --ink-3: #8a8983;
  --line: #e3e1da;
  --line-2: #cfcdc5;
  --blue: #5a7eb2;
  --green: #86b080;
  --red: #d3695b;
  --grey: #c6c5c0;
  --blue-soft: #e6edf6;
  --green-soft: #e8f1e6;
  --red-soft: #f9e8e5;
  --grey-soft: #eeeeeb;
  --radius: 18px;
  --radius-s: 10px;
  --shadow: 0 1px 2px rgba(31, 31, 29, .04), 0 12px 32px -12px rgba(31, 31, 29, .12);
  --shadow-lg: 0 2px 4px rgba(31, 31, 29, .05), 0 30px 60px -24px rgba(31, 31, 29, .22);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* subtle paper grain */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .045 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
section[id], #signup { scroll-margin-top: 80px; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.02em; font-weight: 600; }
p { margin: 0; }
a { color: inherit; }
img, svg { display: block; }
::selection { background: var(--blue-soft); }

.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 99; }
.skip:focus { left: 8px; }

/* ---------------------------------------------------------------- shared */
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--grey); }
.dot--blue { background: var(--blue); }
.dot--green { background: var(--green); }
.dot--red { background: var(--red); }
.dot--grey { background: var(--grey); }

.brand__mark { width: 30px; height: auto; }
.mark-page { fill: #fff; stroke: var(--ink-2); stroke-width: 2.5; stroke-linejoin: round; }
.mark-fold { fill: none; stroke: var(--ink-2); stroke-width: 2.5; stroke-linejoin: round; }
.mark-head { fill: var(--green); }
.mark-eye { fill: #fff; }
.mark-ant { stroke: var(--green); stroke-width: 2.4; stroke-linecap: round; }
.mark-line { stroke-width: 3.2; stroke-linecap: round; }
.mark-line--blue { stroke: var(--blue); }
.mark-line--ink { stroke: var(--ink-2); }
.mark-line--red { stroke: var(--red); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px; border: 1.5px solid var(--ink);
  font: 600 15px/1 var(--font); color: var(--ink); text-decoration: none; cursor: pointer;
  background: transparent; position: relative;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .25s, color .25s, border-color .25s, opacity .25s;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--blue-soft); outline-offset: 2px; }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #000; }
.btn--ghost { border-color: var(--line-2); background: var(--surface); }
.btn--small { padding: 10px 16px; font-size: 14px; background: var(--ink); color: #fff; }
.btn--small:hover, .btn--small:focus-visible { background: #000; color: #fff; }
.btn--block { width: 100%; padding: 17px 22px; font-size: 16px; }
.btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; box-shadow: none; }
.btn__spinner { display: none; width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; animation: spin .8s linear infinite; }
.btn.is-loading .btn__spinner { display: inline-block; }
.btn.is-loading .btn__label { opacity: .8; }
@keyframes spin { to { transform: rotate(360deg); } }

.kicker { font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px 8px 12px; margin-bottom: 24px; }
.eyebrow .dot { width: 7px; height: 7px; }
.eyebrow .dot:last-of-type { margin-right: 6px; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ------------------------------------------------------------------- nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  max-width: var(--max); margin: 0 auto; padding: 18px 24px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.nav::before { content: ""; position: absolute; inset: 0; background: rgba(246,245,241,.82); z-index: -1; mask-image: linear-gradient(#000 70%, transparent); -webkit-mask-image: linear-gradient(#000 70%, transparent); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 16px; }
.brand__text strong { font-weight: 600; }
.nav__links { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 500; color: var(--ink-2); }
.nav__links a { text-decoration: none; transition: color .2s; }
.nav__links a:not(.btn):hover { color: var(--ink); }
.nav__yt { display: inline-flex; align-items: center; gap: 6px; }
.nav__yt svg { width: 18px; height: 18px; fill: var(--red); }
@media (max-width: 860px) { .nav__links a:not(.btn):not(.nav__yt) { display: none; } }
@media (max-width: 480px) { .nav__yt { display: none !important; } }

/* ------------------------------------------------------------------ hero */
.hero {
  max-width: var(--max); margin: 0 auto; padding: 56px 24px 24px;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 40px; align-items: center;
}
.hero h1 { font-size: clamp(40px, 6vw, 68px); font-weight: 600; margin-bottom: 22px; }
.hero h1 em { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: 0; font-size: 1.08em; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); max-width: 54ch; margin-bottom: 30px; }
.warn { display: flex; gap: 10px; align-items: flex-start; max-width: 58ch; margin: -8px 0 28px; padding: 12px 14px; border-radius: var(--radius-s); border: 1px solid #ecc9c2; background: var(--red-soft); color: #7d3a30; font-size: 14.5px; line-height: 1.5; }
.warn::before { content: "!"; flex: none; width: 20px; height: 20px; border-radius: 50%; background: var(--red); color: #fff; font-weight: 700; font-size: 13px; display: inline-flex; align-items: center; justify-content: center; margin-top: 1px; }
.warn strong { color: #6a2d24; }
.signup__warn { margin-top: 22px; padding: 12px 14px; border-left: 3px solid var(--red); background: var(--red-soft); color: #7d3a30; font-size: 14.5px; border-radius: 0 var(--radius-s) var(--radius-s) 0; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }
.hero__facts { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 26px; font-size: 14px; color: var(--ink-3); }
.hero__facts strong { color: var(--ink); font-weight: 600; }

.hero__visual { position: relative; display: flex; justify-content: center; padding: 20px 0; }
.hero__glow { position: absolute; inset: 10% 5%; z-index: -1; border-radius: 50%; filter: blur(60px); opacity: .55;
  background: radial-gradient(closest-side, var(--blue-soft), transparent 70%), radial-gradient(closest-side at 70% 70%, var(--green-soft), transparent 70%); }

.device { position: relative; margin: 0; width: min(400px, 90vw); animation: float 7s ease-in-out infinite; }
.device img { width: 100%; height: auto; filter: drop-shadow(0 24px 38px rgba(31, 31, 29, .19)) drop-shadow(0 3px 7px rgba(31, 31, 29, .1)); }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-.5deg); } 50% { transform: translateY(-10px) rotate(.35deg); } }
@keyframes pulse { 0%, 100% { transform: scale(.75); opacity: .45; } 50% { transform: scale(1.1); opacity: 1; } }

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; padding-top: 32px; text-align: center; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero__actions, .hero__facts { justify-content: center; }
  .warn { margin-left: auto; margin-right: auto; text-align: left; }
  .hero__visual { order: -1; }
  .device { width: min(312px, 75vw); }
}

/* ----------------------------------------------------------------- slots */
.slots { max-width: var(--max); margin: 0 auto; padding: 24px 24px 40px; }
.slots__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.slot { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); }
.slot header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; gap: 12px; }
.slot h3 { font-size: 18px; }
.slot__count { font-size: 14px; color: var(--ink-3); white-space: nowrap; }
.slot__count b { color: var(--ink); font-weight: 600; }
.slot__dots { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.slot__dots i { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--line-2); background: transparent; transform: scale(.6); opacity: 0; transition: transform .5s var(--ease), opacity .5s var(--ease), background .4s, border-color .4s; transition-delay: var(--d, 0ms); }
.is-visible .slot__dots i { transform: scale(1); opacity: 1; }
.slot__dots i.is-taken { background: var(--ink); border-color: var(--ink); }
.slot.is-full .slot__dots i.is-taken { background: var(--ink-3); border-color: var(--ink-3); }
.slot__note { font-size: 13px; color: var(--ink-3); }
@media (max-width: 640px) { .slots__inner { grid-template-columns: 1fr; } }

/* -------------------------------------------------------------- sections */
.section { max-width: var(--max); margin: 0 auto; padding: 80px 24px; }
.section--tint { max-width: none; padding-left: 0; padding-right: 0; background: var(--paper-2); }
.section__inner { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section__head { max-width: 640px; margin-bottom: 44px; }
.section__head h2 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 14px; }
.section__head p:not(.kicker) { color: var(--ink-2); font-size: 18px; }
.section__foot { margin-top: 36px; color: var(--ink-2); font-size: 15px; }
.section__foot a { color: var(--blue); text-decoration-color: var(--blue-soft); text-underline-offset: 3px; }

.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px 28px; box-shadow: var(--shadow); transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature__icon { display: inline-flex; width: 44px; height: 44px; border-radius: 12px; align-items: center; justify-content: center; margin-bottom: 18px; }
.feature__icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature__icon--blue { background: var(--blue-soft); color: var(--blue); }
.feature__icon--green { background: var(--green-soft); color: #5f8f5a; }
.feature__icon--red { background: var(--red-soft); color: var(--red); }
.feature__icon--grey { background: var(--grey-soft); color: var(--ink-2); }
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { font-size: 15px; color: var(--ink-2); }
@media (max-width: 960px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

.gates { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; position: relative; }
.gate { padding: 20px 0 24px; border-top: 1px solid var(--line-2); }
.gate__head { display: flex; align-items: center; gap: 16px; }
.gate:last-child { border-bottom: 1px solid var(--line-2); }
.gate__n { flex: none; width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 1.5px solid var(--ink); font: 600 14px/1 var(--font); font-variant-numeric: tabular-nums; background: var(--surface); }
.gate h3 { font-size: 18px; line-height: 1.25; }
.gate p { margin: 9px 0 0 52px; color: var(--ink-2); font-size: 15px; max-width: 68ch; }
@media (max-width: 560px) { .gate__head { gap: 12px; } .gate p { margin-left: 48px; } }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { position: relative; padding: 28px 26px 30px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.step__n { display: block; font-family: var(--serif); font-size: 44px; line-height: 1; color: var(--line-2); margin-bottom: 18px; }
.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { color: var(--ink-2); font-size: 15px; }
.step::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--blue), var(--green), var(--red), var(--grey)); transform: scaleX(0); transform-origin: left; transition: transform .8s var(--ease); }
.step.is-visible::after { transform: scaleX(1); transition-delay: calc(var(--delay, 0ms) + 400ms); }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- signup */
.section--signup { padding-top: 40px; }
.signup { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; align-items: start; }
.signup__intro { position: sticky; top: 90px; }
.signup__intro h2 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 14px; }
.signup__intro > p { color: var(--ink-2); font-size: 17px; margin-bottom: 22px; }
.signup__checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 15px; color: var(--ink-2); }
.signup__checks li { position: relative; padding-left: 28px; }
.signup__checks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--green-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235f8f5a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/10px no-repeat; }
.signup__panel { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 34px; box-shadow: var(--shadow-lg); }
@media (max-width: 900px) { .signup { grid-template-columns: 1fr; gap: 28px; } .signup__intro { position: static; } .signup__panel { padding: 24px; } }

.form fieldset { border: 0; padding: 0; margin: 0 0 22px; }
.form legend { font-size: 14px; font-weight: 600; margin-bottom: 12px; padding: 0; }
.form__devices { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form__devices legend { grid-column: 1 / -1; }
.form__devices .field__error { grid-column: 1 / -1; }
.devpick { position: relative; display: block; cursor: pointer; }
.devpick input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.devpick__body { display: flex; flex-direction: column; gap: 4px; padding: 16px 16px 14px; border: 1.5px solid var(--line-2); border-radius: 14px; background: var(--paper); transition: border-color .25s, background .25s, transform .35s var(--ease), box-shadow .35s var(--ease); }
.devpick:hover .devpick__body { transform: translateY(-2px); box-shadow: var(--shadow); }
.devpick input:checked + .devpick__body { border-color: var(--ink); background: var(--surface); box-shadow: 0 0 0 3px var(--blue-soft); }
.devpick input:focus-visible + .devpick__body { outline: 3px solid var(--blue-soft); outline-offset: 2px; }
.devpick__icon { width: 26px; height: 34px; border-radius: 4px; border: 1.5px solid var(--ink-2); background: #fff; margin-bottom: 6px; }
.devpick__icon--move { width: 20px; }
.devpick__name { font-weight: 600; font-size: 15px; }
.devpick__meta { font-size: 13px; color: var(--ink-3); }
.devpick__meta b { color: var(--ink); font-weight: 600; }
.devpick__full { display: none; position: absolute; top: 12px; right: 12px; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: 4px 8px; border-radius: 999px; background: var(--red-soft); color: var(--red); }
.devpick.is-full { cursor: not-allowed; }
.devpick.is-full input { pointer-events: none; }
.devpick.is-full .devpick__body { opacity: .55; transform: none !important; box-shadow: none !important; }
.devpick.is-full .devpick__full { display: block; }
@media (max-width: 480px) { .form__devices { grid-template-columns: 1fr; } }

.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; gap: 0; } }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.field .optional { font-weight: 400; color: var(--ink-3); margin-left: 4px; }
.field input, .field select, .field textarea {
  width: 100%; font: 500 16px/1.4 var(--font); color: var(--ink);
  padding: 13px 14px; border: 1.5px solid var(--line-2); border-radius: var(--radius-s); background: var(--paper);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field textarea { resize: vertical; min-height: 84px; }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2355544f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 18px; padding-right: 40px; }
.field select:invalid { color: var(--ink-3); }
.field input::placeholder, .field textarea::placeholder { color: #a5a49e; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); background: var(--surface); box-shadow: 0 0 0 3px var(--blue-soft); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--red); }
.field__error { display: none; font-size: 13px; color: var(--red); margin-top: 6px; }
.field__error.is-visible { display: block; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--ink-2); margin: 6px 0 4px; cursor: pointer; }
.check input { flex: none; width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--ink); }
.check a { color: var(--blue); text-underline-offset: 3px; }
.field__error + .check { margin-top: 14px; }
.signup__checks a { color: var(--blue); text-underline-offset: 3px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__error { display: block; margin: 16px 0 0; padding: 12px 14px; border-radius: var(--radius-s); background: var(--red-soft); color: #9d4034; font-size: 14px; }
.form__error[hidden] { display: none; }
.form .btn--block { margin-top: 22px; }
.form__fine { margin-top: 14px; font-size: 13px; color: var(--ink-3); text-align: center; }

.success, .closed, .offline { text-align: center; padding: 14px 6px 8px; animation: fadeup .8s var(--ease) both; }
@keyframes fadeup { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.success h3, .closed h3, .offline h3 { font-size: 28px; margin: 18px 0 10px; }
.success p, .closed p, .offline p { color: var(--ink-2); max-width: 46ch; margin: 0 auto 12px; }
.success .btn, .closed .btn { margin-top: 14px; }
.success__check { width: 84px; height: 84px; margin: 0 auto; }
.success__ring { fill: var(--green-soft); stroke: var(--green); stroke-width: 2; stroke-dasharray: 190; stroke-dashoffset: 190; animation: ring .9s var(--ease) forwards; }
.success__tick { fill: none; stroke: #5f8f5a; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 40; stroke-dashoffset: 40; animation: ring .6s var(--ease) .5s forwards; }
@keyframes ring { to { stroke-dashoffset: 0; } }
.closed__dots { display: flex; justify-content: center; gap: 10px; }
.closed__dots .dot { width: 12px; height: 12px; animation: pulse 2.4s ease-in-out infinite; }
.closed__dots .dot:nth-child(2) { animation-delay: .3s; }
.closed__dots .dot:nth-child(3) { animation-delay: .6s; }
.closed__dots .dot:nth-child(4) { animation-delay: .9s; }

/* ------------------------------------------------------------------- faq */
.faq { max-width: 760px; }
.faq details { border-top: 1px solid var(--line-2); }
.faq details:last-child { border-bottom: 1px solid var(--line-2); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 44px 20px 0; font-weight: 600; font-size: 17px; position: relative; transition: color .2s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 4px; top: 50%; width: 12px; height: 12px; margin-top: -6px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: rotate(45deg) translateY(-3px); transition: transform .4s var(--ease); }
.faq details[open] summary::after { transform: rotate(225deg) translateY(-2px); }
.faq summary:hover { color: var(--blue); }
.faq details p { padding: 0 0 22px; color: var(--ink-2); font-size: 15.5px; max-width: 68ch; animation: fadeup .5s var(--ease) both; }

/* ---------------------------------------------------------------- footer */
.footer { border-top: 1px solid var(--line-2); margin-top: 20px; }
.footer__inner { max-width: var(--max); margin: 0 auto; padding: 44px 24px 56px; display: grid; grid-template-columns: 1fr auto; gap: 24px 40px; align-items: center; }
.footer__brand { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--ink-3); }
.footer__brand strong { color: var(--ink); font-weight: 600; }
.footer__links { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; font-weight: 500; }
.footer__links a { text-decoration: none; color: var(--ink-2); }
.footer__links a:hover { color: var(--ink); }
.footer__legal { grid-column: 1 / -1; font-size: 12.5px; color: var(--ink-3); max-width: 80ch; }
@media (max-width: 640px) { .footer__inner { grid-template-columns: 1fr; } }

/* --------------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .device, .closed__dots .dot { animation: none !important; }
  .slot__dots i { transform: none; opacity: 1; transition: none; }
  .step::after { transform: scaleX(1); transition: none; }
  .btn, .feature, .devpick__body { transition: none; }
}