/* ==========================================================================
   Larkin — 2026 site. One light design system taken straight from the app:
   DM Sans, white canvas, #151515 ink and feature cards, #F0F0F0 cards, lime
   #DEFA55 for the one thing to press. The old styles.css still serves the
   audience pages until they move over.
   ========================================================================== */

/* DM Sans (SIL Open Font License), variable weight and optical size, self-hosted. */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("fonts/dm-sans-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: "DM Sans";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("fonts/dm-sans-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;
}

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  --bg: #FFFFFF;
  --ink: #151515;
  --ink-2: #61615C;
  --ink-3: #8E8E88;
  --card: #F0F0F0;
  --card-2: #E6E6E3;
  --feature: #151515;
  --on-feature: #FFFFFF;
  --on-feature-2: #A3A39D;
  --chip-dark: rgba(255, 255, 255, 0.12);
  --lime: #DEFA55;
  --lime-deep: #CBE83E;
  --on-lime: #151515;
  --hair: rgba(21, 21, 21, 0.10);
  --hair-dark: rgba(255, 255, 255, 0.12);
  --ring: #46E26A;

  --clarity: #3B8F7B;
  --listening: #00A6D8;
  --assert: #D9486B;

  --r-xl: clamp(24px, 2.4vw, 34px);
  --r-lg: clamp(20px, 2vw, 28px);
  --r-md: 18px;

  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --header-h: 64px;
  --section: clamp(72px, 10vw, 144px);

  --font: "DM Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}
@media (min-width: 900px) { :root { --header-h: 76px; } }

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2.5px solid var(--listening); outline-offset: 3px; border-radius: 6px; }
section[id], [id^="app-"] { scroll-margin-top: var(--header-h); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 12px; top: -60px; z-index: 100;
  padding: 10px 16px; border-radius: 999px;
  background: var(--ink); color: #fff; font-weight: 700;
}
.skip-link:focus { top: 12px; }

.shell {
  width: 100%;
  max-width: calc(var(--shell) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section); }

/* --------------------------------------------------------------------------
   3. Type
   -------------------------------------------------------------------------- */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.eyebrow--lime { color: var(--lime); }
.h2 {
  font-size: clamp(2.125rem, 4.6vw, 4rem);                 /* 34 → 64 */
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.h2__soft { color: var(--ink-3); }
.lead {
  font-size: clamp(1.0625rem, 1.35vw, 1.25rem);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 38ch;
}
.section-head { display: grid; gap: 16px; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head--center { justify-items: center; text-align: center; }
.section-head--center .lead { margin-inline: auto; }

/* --------------------------------------------------------------------------
   4. Buttons and pills
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 28px;
  border: 0;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease), color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn--lime { background: var(--lime); color: var(--on-lime); }
.btn--lime:hover { background: var(--lime-deep); box-shadow: 0 10px 30px -12px rgba(160, 190, 20, 0.7); }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: #000; }
.btn--ghost {
  background: transparent;
  color: inherit;
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, currentColor 32%, transparent);
}
.btn--ghost:hover { background: color-mix(in srgb, currentColor 8%, transparent); }
.btn--sm { min-height: 42px; padding: 0 18px; font-size: 0.9375rem; }
.btn--block { width: 100%; }

.spark { width: 18px; height: 18px; flex: none; fill: currentColor; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  white-space: nowrap;
}
.pill .spark { width: 15px; height: 15px; }
.pill--lime { background: var(--lime); color: var(--on-lime); }
.pill--skill { background: var(--c); color: #FAF8F5; font-weight: 600; }
.pill--dark { background: #2A2A2A; color: #fff; font-weight: 500; }
.pill--dark b { color: var(--lime); font-weight: 700; }
.pill--white { background: #fff; color: var(--ink); }
.pill--link { padding: 0 4px; color: #fff; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--card);
  cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

/* --------------------------------------------------------------------------
   5. Header
   -------------------------------------------------------------------------- */
/* Solid by default, so a page without JS always has a readable bar. larkin.js
   adds .over-hero while the hero sits under it; on wide screens that makes it
   clear, and .on-dark frosts it while the film is dark. */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: saturate(1.4) blur(18px);
  backdrop-filter: saturate(1.4) blur(18px);
  box-shadow: 0 1px 0 var(--hair);
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}
.brand {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-right: auto;
}
.nav { display: none; gap: 32px; }
.nav a {
  font-size: 0.9375rem;
  font-weight: 600;
  opacity: 0.72;
  transition: opacity 0.2s var(--ease);
}
.nav a:hover { opacity: 1; }
.header-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle { gap: 3.5px; grid-auto-flow: column; }
.nav-toggle span { width: 4.5px; height: 4.5px; border-radius: 50%; background: currentColor; }
.nav-toggle[aria-expanded="true"] { background: var(--ink); color: #fff; }

.mobile-nav {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease);
}
.mobile-nav.is-open { grid-template-rows: 1fr; }
.mobile-nav__inner { overflow: hidden; }
.mobile-nav .shell { padding-bottom: 14px; }
.mobile-nav a {
  display: block;
  padding: 15px 0;
  font-size: 1.125rem;
  font-weight: 600;
  border-top: 1px solid var(--hair);
}

@media (min-width: 900px) {
  .nav { display: flex; }
  .nav-toggle, .mobile-nav { display: none; }
}

/* The hero is a full-bleed film only where the frame is wide enough to keep a
   clean wall beside the wrist; everywhere else it's the phone composition. */
@media (min-width: 900px) and (min-aspect-ratio: 5/4) {
  .site-header.over-hero {
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    box-shadow: none;
  }
  .site-header.over-hero .nav a { opacity: 0.9; }
  /* The bar keeps its ink. While the film is dark it gains frosted glass
     instead: measured on the footage, the wordmark side and the nav side of
     the top strip go dark at different moments, so no single text colour
     would hold across the whole film. */
  .site-header::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: rgba(255, 255, 255, 0.7);
    -webkit-backdrop-filter: saturate(1.4) blur(18px);
    backdrop-filter: saturate(1.4) blur(18px);
    opacity: 0;
    transition: opacity 0.35s var(--ease);
    pointer-events: none;
  }
  .site-header.over-hero.on-dark::before { opacity: 1; }
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: max(600px, 100svh);
  overflow: hidden;
  background: #E8E8E6;
  color: #fff;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img,
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% 50%;
}
/* Short fade: the film must be fully up before its first dark frame at 0.7 s. */
.hero__video { opacity: 0; transition: opacity 0.45s var(--ease); }
.hero.is-playing .hero__video { opacity: 1; }

/* Phones and narrow frames: copy sits low over a soft ink scrim. */
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 72%;
  z-index: -1;
  background: linear-gradient(to top, rgba(12, 12, 12, 0.78) 0%, rgba(12, 12, 12, 0.5) 45%, rgba(12, 12, 12, 0) 100%);
  pointer-events: none;
}
.hero__inner {
  display: flex;
  align-items: flex-end;
  padding-top: calc(var(--header-h) + 32px);
  padding-bottom: clamp(36px, 7vh, 72px);
}
.hero__copy { display: grid; gap: 18px; max-width: 36rem; }
.hero__title {
  font-size: clamp(3rem, 13vw, 4.25rem);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.045em;
}
.hero__lead {
  font-size: clamp(1.0625rem, 1.35vw, 1.3125rem);
  line-height: 1.5;
  max-width: 36ch;
  text-wrap: pretty;
  opacity: 0.88;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.hero__fine { font-size: 0.875rem; font-weight: 600; opacity: 0.7; }

.hero__toggle {
  position: absolute;
  right: var(--gutter);
  top: calc(var(--header-h) + 16px);
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(20, 20, 20, 0.38);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease);
}
.hero__toggle[hidden] { display: none; }
.hero__toggle svg { width: 20px; height: 20px; fill: currentColor; display: none; }
.hero__toggle[data-state="playing"] .i-pause,
.hero__toggle[data-state="paused"] .i-play,
.hero__toggle[data-state="ended"] .i-replay { display: block; }
.hero__toggle[data-state="ended"] .i-replay { fill: none; }

/* Portrait screens load a portrait crop of the film and poster, already
   framed on the wrist. */
@media (max-aspect-ratio: 4/5) {
  .hero__media img, .hero__video { object-position: 50% 50%; }
}

@media (min-width: 900px) and (min-aspect-ratio: 5/4) {
  .hero { color: var(--ink); transition: color 0.3s var(--ease); }
  .hero.is-dark { color: #fff; }
  .hero::after { display: none; }
  .hero__media img, .hero__video { object-position: 50% 50%; }
  .hero__inner { align-items: center; padding-top: var(--header-h); padding-bottom: 0; }
  .hero__copy { gap: 22px; max-width: 40rem; transform: translateY(6vh); }
  .hero__title { font-size: clamp(4rem, 7.4vw, 7.25rem); }
  .hero.is-dark .hero__copy { text-shadow: 0 1px 30px rgba(0, 0, 0, 0.35); }
  .hero__toggle {
    top: auto;
    bottom: 32px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.6);
  }
  .hero.is-dark .hero__toggle { color: #fff; background: rgba(20, 20, 20, 0.38); }
}

/* --------------------------------------------------------------------------
   7. Statement — read-along
   -------------------------------------------------------------------------- */
.statement {
  display: grid;
  place-items: center;
  padding-block: clamp(96px, 15vw, 200px);
  text-align: center;
}
.statement p {
  max-width: 24ch;
  margin-inline: auto;
  font-size: clamp(1.625rem, 3.5vw, 3.25rem);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.statement p + p { margin-top: 0.6em; }
.statement p:first-child { color: var(--ink-2); }
.statement .w { transition: opacity 0.12s linear; }

/* The key phrase gets a lime highlighter. Inline backgrounds are painted as
   one strip across line breaks, so growing the strip's width sweeps the
   marker along the phrase in reading order, line after line. It rests fully
   drawn; the read-along (larkin.js) starts it at zero and sweeps it in when
   the reading reaches the phrase. */
.marker {
  --mark: 100%;
  color: inherit;
  background-color: transparent;
  background-image: linear-gradient(100deg, rgba(222, 250, 85, 0.35) 0, var(--lime) 0.3em, var(--lime) calc(100% - 0.3em), rgba(222, 250, 85, 0.55) 100%);
  background-repeat: no-repeat;
  background-position: 0 72%;
  background-size: var(--mark) 0.82em;
  padding-inline: 0.08em;
  margin-inline: -0.08em;
  border-radius: 0.14em;
  transition: background-size 1.5s cubic-bezier(0.55, 0.05, 0.3, 1);
}
.stmt-scrub .marker { --mark: 0%; }
.stmt-scrub .marker.is-on { --mark: 100%; }
/* Each marked word comes up to full ink as the marker passes over it
   (--d is its place along the sweep, set by larkin.js). */
.stmt-scrub .marker.is-on .w { opacity: 1 !important; transition: opacity 0.25s linear var(--d, 0s); }

.stmt-scrub .statement-pin { height: 220vh; }
.stmt-scrub .statement-pin .statement {
  position: sticky;
  top: 0;
  min-height: 100vh;
  min-height: 100svh;
  padding-block: calc(var(--header-h) + 24px) 24px;
}

/* --------------------------------------------------------------------------
   8. How it works
   -------------------------------------------------------------------------- */
.how { padding-top: 0; }
.how__grid { display: grid; gap: 16px; }
.how-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--r-xl);
  background: var(--card);
}
.how-card__media { aspect-ratio: 4 / 3; overflow: hidden; }
.how-card__media img { width: 100%; height: 100%; object-fit: cover; object-position: 40% 50%; }
.how-card--dark { background: var(--feature); color: var(--on-feature); }
.how-card--dark .how-card__media img { object-position: 62% 50%; }
.how-card--dark p { color: var(--on-feature-2); }
.how-card--lime { background: var(--lime); }
.how-card--lime p { color: rgba(21, 21, 21, 0.72); }
.how-card__media--phone { display: flex; justify-content: center; padding-top: 28px; }
.how-card__body { display: grid; gap: 10px; padding: clamp(24px, 2.6vw, 34px); }
.how-card__n {
  justify-self: start;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(21, 21, 21, 0.07);
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.how-card--dark .how-card__n { background: var(--chip-dark); }
.how-card h3 { font-size: clamp(1.5rem, 2vw, 1.75rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.how-card p { color: var(--ink-2); font-size: 1.0625rem; }
@media (min-width: 900px) { .how__grid { grid-template-columns: repeat(3, 1fr); } }

/* --------------------------------------------------------------------------
   9. Phone frame
   -------------------------------------------------------------------------- */
.phone {
  --w: 260px;
  width: max-content;
  padding: calc(var(--w) * 0.034);
  border-radius: calc(var(--w) * 0.165);
  background: #0B0B0B;
  box-shadow: inset 0 0 0 1.5px #2C2C2C, 0 40px 80px -30px rgba(0, 0, 0, 0.45);
}
.phone__screen {
  position: relative;
  width: var(--w);
  aspect-ratio: 720 / 1560;
  overflow: hidden;
  border-radius: calc(var(--w) * 0.13);
  background: #fff;
}
.phone__screen img { width: 100%; height: 100%; object-fit: cover; }
.phone--peek { --w: min(56vw, 230px); box-shadow: inset 0 0 0 1.5px #2C2C2C, 0 30px 60px -20px rgba(0, 0, 0, 0.35); }

/* --------------------------------------------------------------------------
   10. The app — sticky showcase
   -------------------------------------------------------------------------- */
.app {
  background: var(--feature);
  color: var(--on-feature);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
}
.app + .section { position: relative; }
.app .lead { color: var(--on-feature-2); }
.app { margin-bottom: calc(var(--r-xl) * -1); padding-bottom: calc(var(--section) + var(--r-xl)); }
#use-cases { position: relative; z-index: 1; background: var(--bg); border-radius: var(--r-xl) var(--r-xl) 0 0; }

.show__stage { display: none; }
.show__text { display: grid; gap: 14px; align-content: start; }
.show__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-feature-2);
}
.show__label span { color: var(--lime); font-variant-numeric: tabular-nums; }
.show__text h3 {
  font-size: clamp(1.75rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.show__text > p:not(.show__label) { color: var(--on-feature-2); font-size: clamp(1.0625rem, 1.3vw, 1.1875rem); max-width: 34ch; }
.show__extra { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 6px; }
.metric { font-size: 1rem; color: var(--on-feature-2); }
.metric b { color: #fff; font-weight: 700; }
.fact {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: #232323;
  font-weight: 600;
}
.fact i { font-style: normal; color: var(--on-feature-2); }

/* Phones: a swipeable row, one screen at a time. */
.show__list {
  display: flex;
  gap: 16px;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
  scrollbar-width: none;
}
.show__list::-webkit-scrollbar { display: none; }
.show__item {
  flex: 0 0 min(84vw, 360px);
  display: grid;
  gap: 28px;
  align-content: start;
  scroll-snap-align: start;
}
.phone--inline { --w: min(62vw, 250px); justify-self: center; }
.show__dots { display: flex; justify-content: center; gap: 8px; margin-top: 32px; }
.show__dots i { width: 7px; height: 7px; border-radius: 999px; background: #3A3A3A; transition: width 0.3s var(--ease), background-color 0.3s var(--ease); }
.show__dots i.is-active { width: 22px; background: var(--lime); }

/* No JS on a wide screen: plain rows of copy beside their phone. */
@media (min-width: 960px) {
  html:not(.js) .show__list { display: grid; gap: 96px; margin: 0; padding: 0; overflow: visible; }
  html:not(.js) .show__item { grid-template-columns: auto 1fr; align-items: center; gap: 64px; }
  html:not(.js) .show__dots { display: none; }
}

/* Wide screens with JS: the phone holds still while the copy scrolls past. */
@media (min-width: 960px) {
  html.js .show {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: clamp(48px, 7vw, 120px);
  }
  html.js .show__list {
    display: block;
    grid-column: 1;
    grid-row: 1;
    margin: 0;
    padding: 0;
    overflow: visible;
  }
  html.js .show__item {
    display: flex;
    align-items: center;
    min-height: 86vh;
  }
  html.js .show__item:first-child { min-height: 70vh; align-items: flex-start; padding-top: 10vh; }
  html.js .show__item:last-child { min-height: 76vh; }
  html.js .phone--inline, html.js .show__dots { display: none; }
  html.js .show__stage {
    --w: clamp(240px, calc((100vh - 190px) * 0.44), 310px);
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: max(calc(var(--header-h) + 12px), calc(50vh - var(--w) * 1.12));
    align-self: start;
    display: flex;
    align-items: center;
    gap: 36px;
  }
  .phone--stage { --w: inherit; }
  .phone--stage .phone__screen img {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(1.015);
    transition: opacity 0.5s var(--ease), transform 0.6s var(--ease);
  }
  .phone--stage .phone__screen img.is-active { opacity: 1; transform: none; }
  .show__tabs { display: grid; gap: 4px; }
  .show__tabs a {
    position: relative;
    padding: 8px 0 8px 22px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #6E6E69;
    transition: color 0.3s var(--ease);
  }
  .show__tabs a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 8px;
    margin-top: -4px;
    border-radius: 50%;
    background: #3A3A3A;
    transition: background-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  }
  .show__tabs a:hover { color: #C9C9C3; }
  .show__tabs a.is-active { color: #fff; }
  .show__tabs a.is-active::before { background: var(--lime); box-shadow: 0 0 0 4px rgba(222, 250, 85, 0.18); }
}

/* --------------------------------------------------------------------------
   11. Use cases
   -------------------------------------------------------------------------- */
.uc-grid { display: grid; gap: 16px; }
.uc {
  position: relative;
  isolation: isolate;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--r-xl);
  background: var(--card);
  color: #fff;
}
.uc picture, .uc img { position: absolute; inset: 0; width: 100%; height: 100%; }
.uc img { object-fit: cover; object-position: 50% 30%; z-index: -2; }
.uc::after {
  content: "";
  position: absolute;
  inset: 40% 0 0;
  z-index: -1;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.72), rgba(10, 10, 10, 0));
}
.uc__chip { position: absolute; top: 20px; left: 20px; box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.35); }
.uc__copy { position: absolute; left: 24px; right: 24px; bottom: 24px; display: grid; gap: 6px; }
.uc__eyebrow { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.8; }
.uc__title { font-size: clamp(1.375rem, 2.2vw, 1.875rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.025em; text-wrap: balance; }
@media (min-width: 800px) {
  .uc-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .uc { aspect-ratio: 16 / 11; }
  .uc__copy { left: 32px; right: 32px; bottom: 32px; }
  .uc__chip { top: 24px; left: 24px; }
}

/* --------------------------------------------------------------------------
   12. Privacy
   -------------------------------------------------------------------------- */
.privacy { padding-top: 0; }
.section-head--split { align-items: end; }
.section-head--split .lead { max-width: 30ch; text-wrap: balance; }
@media (min-width: 900px) {
  .section-head--split { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); column-gap: 48px; }
  .section-head--split .lead { justify-self: end; text-align: right; }
}
.privacy__grid { display: grid; gap: 16px; }
.pcard {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(24px, 2.6vw, 34px);
  border-radius: var(--r-lg);
  background: var(--card);
}
.pcard h3 { font-size: 1.25rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.015em; text-wrap: balance; }
.pcard p { color: var(--ink-2); }
.pcard__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--lime);
}
@media (min-width: 700px) { .privacy__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .privacy__grid { grid-template-columns: repeat(3, 1fr); } }

/* --------------------------------------------------------------------------
   13. Reserve
   -------------------------------------------------------------------------- */
.reserve { padding-top: 0; }
.preorder {
  display: grid;
  gap: clamp(20px, 3vw, 48px);
  padding: clamp(12px, 1.6vw, 20px);
  border-radius: var(--r-xl);
  background: var(--feature);
  color: #fff;
}
.pgal { display: grid; gap: 12px; }
.pgal__main {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: calc(var(--r-xl) - 8px);
  background: #222;
}
.pgal__frame { position: absolute; inset: 0; opacity: 0; transition: opacity 0.6s var(--ease); }
.pgal__frame.is-active { opacity: 1; }
.pgal__frame img { width: 100%; height: 100%; object-fit: cover; object-position: var(--pos, 50% 50%); }
.pgal__thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.pgal__thumbs button {
  aspect-ratio: 1 / 1;
  padding: 0;
  border: 0;
  border-radius: 14px;
  overflow: hidden;
  background: #222;
  cursor: pointer;
  opacity: 0.55;
  box-shadow: inset 0 0 0 2px transparent;
  transition: opacity 0.25s var(--ease);
}
.pgal__thumbs button img { width: 100%; height: 100%; object-fit: cover; object-position: var(--pos, 50% 50%); }
.pgal__thumbs button:hover { opacity: 0.85; }
.pgal__thumbs button.is-active { opacity: 1; outline: 2px solid var(--lime); outline-offset: 2px; }

.preorder__copy { display: grid; gap: 18px; align-content: center; padding: clamp(12px, 3vw, 40px); }
.preorder__eyebrow { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--lime); }
.preorder__title { font-size: clamp(2.25rem, 4vw, 3.5rem); font-weight: 700; line-height: 1; letter-spacing: -0.04em; }
.preorder__price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; }
.preorder__was { font-size: 1.5rem; color: var(--on-feature-2); text-decoration: line-through; }
.preorder__amount { font-size: clamp(3rem, 5vw, 4.25rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.preorder__label {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--chip-dark);
  font-size: 0.8125rem;
  font-weight: 700;
}
.preorder__deposit { color: var(--on-feature-2); font-size: 1.0625rem; }
.preorder__points { display: grid; gap: 10px; margin-block: 4px 8px; }
.preorder__points li { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.preorder__points li::before {
  content: "";
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.5 12.5l3.5 3.5 7.5-8' fill='none' stroke='%23151515' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 15px no-repeat;
}
.preorder__note { font-size: 0.875rem; color: var(--on-feature-2); text-align: center; }
@media (min-width: 900px) {
  .preorder { grid-template-columns: 1.05fr 1fr; }
}

/* --------------------------------------------------------------------------
   14. Compare
   -------------------------------------------------------------------------- */
.compare-sec { padding-top: 0; }
.compare-hint { font-size: 0.875rem; color: var(--ink-3); text-align: center; margin-bottom: 12px; }
.compare-scroll {
  overflow-x: auto;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
}
.compare {
  width: 100%;
  min-width: 780px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 1rem;
}
.compare th, .compare td { padding: 18px 16px; text-align: center; border-bottom: 1px solid var(--hair); }
.compare tbody th { text-align: left; font-weight: 600; padding-left: 0; width: 30%; }
.compare thead th { vertical-align: bottom; border-bottom: 0; padding-bottom: 20px; }
.col-name { display: block; font-size: 1.0625rem; font-weight: 700; }
.col-note { display: block; margin-top: 4px; font-size: 0.8125rem; font-weight: 500; color: var(--ink-3); line-height: 1.35; }
.compare .col-us { background: var(--feature); color: #fff; border-bottom-color: var(--hair-dark); }
.compare thead .col-us { border-radius: 22px 22px 0 0; padding-top: 24px; }
.compare thead .col-us .col-note { color: var(--on-feature-2); }
.compare tbody tr:last-child .col-us { border-radius: 0 0 22px 22px; border-bottom: 0; }
.yes, .half {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.9375rem;
}
.yes { background: var(--lime); color: var(--ink); }
.half { background: var(--card); color: var(--ink-2); }
.no { color: #C4C4BF; font-weight: 700; }
.qual { font-size: 0.875rem; color: var(--ink-2); font-weight: 500; }
.compare__foot { margin-top: 20px; font-size: 0.8125rem; color: var(--ink-3); text-align: center; }
@media (min-width: 840px) { .compare-hint { display: none; } }

/* --------------------------------------------------------------------------
   15. Device + specs
   -------------------------------------------------------------------------- */
.device { padding-top: 0; }
.device__hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  background: #EEEDEB;
}
.device__hero img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: 26% 50%; }
.device__line { display: grid; gap: 12px; padding: 28px 24px 32px; }
.device__line p:last-child { color: var(--ink-2); font-size: 1.0625rem; max-width: 32ch; }
@media (min-width: 900px) {
  .device__hero img { aspect-ratio: 16 / 8.2; object-position: 50% 50%; }
  .device__line {
    position: absolute;
    top: 50%;
    right: clamp(32px, 6vw, 96px);
    width: min(40%, 30rem);
    padding: 0;
    transform: translateY(-50%);
  }
}

.specs { display: grid; gap: 16px; margin-top: 16px; }
.specs__media { overflow: hidden; border-radius: var(--r-xl); background: var(--card); }
.specs__media img { width: 100%; height: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 58%; }
.specs__sheet {
  display: grid;
  align-content: center;
  gap: 28px;
  padding: clamp(28px, 4vw, 56px);
  border-radius: var(--r-xl);
  background: var(--card);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 14px;
  border-top: 1px solid var(--hair);
}
.spec-row dt { color: var(--ink-2); }
.spec-row dd { font-weight: 600; text-align: right; }
@media (min-width: 900px) {
  .specs { grid-template-columns: 0.85fr 1fr; }
  .specs__media img { aspect-ratio: auto; min-height: 100%; }
}

/* --------------------------------------------------------------------------
   16. FAQ
   -------------------------------------------------------------------------- */
.faq-sec { padding-top: 0; }
.faq { display: grid; gap: 10px; max-width: 820px; margin-inline: auto; }
.faq__item { border-radius: var(--r-md); background: var(--card); }
.faq__item summary {
  position: relative;
  display: block;
  padding: 22px 72px 22px 26px;
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::before,
.faq__item summary::after {
  content: "";
  position: absolute;
  right: 30px;
  top: 50%;
  width: 14px;
  height: 2px;
  margin-top: -1px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.3s var(--ease);
}
.faq__item summary::after { transform: rotate(90deg); }
.faq__item[open] summary::after { transform: rotate(0deg); }
.faq__item p { padding: 0 26px 24px; color: var(--ink-2); max-width: 62ch; }

/* --------------------------------------------------------------------------
   17. Closing
   -------------------------------------------------------------------------- */
.closing { padding-top: 0; }
.closing__card {
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: clamp(56px, 8vw, 112px) 24px;
  border-radius: var(--r-xl);
  background: var(--lime);
  text-align: center;
}
.closing__card p:not(.h2) { font-size: 1.125rem; color: rgba(21, 21, 21, 0.72); max-width: 34ch; }
.closing__card .btn { margin-top: 8px; }

/* --------------------------------------------------------------------------
   18. Footer
   -------------------------------------------------------------------------- */
.site-footer { background: var(--feature); color: #fff; padding-block: 56px; }
.site-footer__inner { display: grid; gap: 28px; }
.site-footer__mark { font-size: 0.9375rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; }
.site-footer__links { display: flex; flex-wrap: wrap; gap: 14px 28px; }
.site-footer__links a { color: var(--on-feature-2); font-weight: 500; transition: color 0.2s var(--ease); }
.site-footer__links a:hover { color: #fff; }
.site-footer__copy { font-size: 0.875rem; color: #6E6E69; }
@media (min-width: 900px) {
  .site-footer__inner { grid-template-columns: auto 1fr auto; align-items: center; gap: 48px; }
  .site-footer__links { justify-content: center; }
}

/* --------------------------------------------------------------------------
   19. Motion
   -------------------------------------------------------------------------- */
/* Hidden states exist only under .js-anim, which larkin.js adds itself: if the
   script never runs, nothing is ever hidden. */
@media (prefers-reduced-motion: no-preference) {
  .js-anim .rv {
    opacity: 0;
    translate: 0 28px;
    transition: opacity 0.8s var(--ease) var(--rv-d, 0ms), translate 0.8s var(--ease) var(--rv-d, 0ms);
  }
  .js-anim .rv.in { opacity: 1; translate: none; }

  .hero__copy > * { animation: rise 0.9s var(--ease) backwards; }
  .hero__copy > :nth-child(2) { animation-delay: 80ms; }
  .hero__copy > :nth-child(3) { animation-delay: 160ms; }
  .hero__copy > :nth-child(4) { animation-delay: 240ms; }
  .hero__copy > :nth-child(5) { animation-delay: 300ms; }
}
@media (prefers-reduced-motion: no-preference) and (min-width: 700px) {
  :is(.how__grid, .uc-grid, .privacy__grid) > .rv:nth-child(2) { --rv-d: 90ms; }
  :is(.how__grid, .uc-grid, .privacy__grid) > .rv:nth-child(3) { --rv-d: 180ms; }
  .uc-grid > .rv:nth-child(4) { --rv-d: 120ms; }
  .privacy__grid > .rv:nth-child(4) { --rv-d: 0ms; }
  .privacy__grid > .rv:nth-child(5) { --rv-d: 90ms; }
  .privacy__grid > .rv:nth-child(6) { --rv-d: 180ms; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}