/* fonts (self-hosted, SIL OFL; licenses in /assets/fonts) */
@font-face { font-family: "Hanken Grotesk"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Hanken Grotesk"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Hanken Grotesk"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Martian Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/martian-mono-latin-500-normal.woff2") format("woff2"); }

:root {
  --bg: #F2F5F4;
  --surface: #FFFFFF;
  --surface-raised: #FFFFFF;
  --border: #DDE5E2;
  --text: #0F1F1C;
  --muted: #55665F;
  --primary: #0F5C55;
  --on-primary: #FFFFFF;
  --code: #087F62;
  --code-glow: rgb(8 135 106 / .18);
  --accent: #34E89A;
  --on-accent: #06120F;
  --code-end: #087F62;
  --btn-fill: linear-gradient(135deg, #34E89A, #B5F23D);
  --btn-glow: none;
  --danger: #C8331F;
  --paused: #8A9792;
  --tint: color-mix(in srgb, var(--primary) 7%, var(--surface));
  --elevation: 0 1px 2px rgb(22 20 46 / .06), 0 8px 24px -8px rgb(22 20 46 / .18);
  --raised-outline: transparent;
  --sans: "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Martian Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --standard: 220ms cubic-bezier(.2, 0, 0, 1);
  --ease-standard: cubic-bezier(.2, 0, 0, 1);
  --r-card: 16px;
  --r-ctl: 10px;
  --wrap: 72rem;
  --hero-inset: clamp(8px, 1.1vw, 16px);
  --glass-fill: rgb(255 255 255 / .55); --glass-sheen: rgb(255 255 255 / .75); --glass-line: rgb(15 31 28 / .08);
  --glass-top: rgb(255 255 255 / .6); --glass-shadow: 0 24px 60px -20px rgb(15 31 28 / .25); --glass-shadow-sm: 0 12px 32px -18px rgb(15 31 28 / .2);
  --stage-glow: rgb(52 232 154 / .22);
  --h1-fill: linear-gradient(135deg, #0B1A16, #0F7A5C);
  --fill: linear-gradient(135deg, #34E89A, #B5F23D); --tile-glow: 0 6px 18px -6px rgb(15 122 92 / .35); --code-shadow: none;
  --page-fog-1: rgb(52 232 154 / .07); --page-fog-2: rgb(181 242 61 / .06);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #070A12;
    --surface: #0E1320;
    --surface-raised: #151B2A;
    --border: #232B3B;
    --text: #EEF2F8;
    --muted: #A2A9B6;
    --primary: #5CFFB5;
    --on-primary: #06120F;
    --code: #5CFFB5;
    --code-glow: rgb(92 255 181 / .22);
    --accent: #5CFFB5;
    --on-accent: #06120F;
    --code-end: #C6FF4D;
    --btn-fill: linear-gradient(135deg, #5CFFB5, #C6FF4D);
    --btn-glow: 0 8px 30px -8px rgb(92 255 181 / .55);
    --danger: #FF7B6B;
    --paused: #6B7280;
    --tint: color-mix(in srgb, var(--primary) 9%, var(--surface));
    --elevation: none;
    --raised-outline: var(--border);
    --glass-fill: rgb(220 235 255 / .06); --glass-sheen: rgb(220 235 255 / .1); --glass-line: rgb(255 255 255 / .14);
    --glass-top: rgb(255 255 255 / .22); --glass-shadow: 0 30px 60px -20px rgb(0 0 0 / .7); --glass-shadow-sm: 0 16px 40px -24px rgb(0 0 0 / .6);
    --stage-glow: rgb(92 255 181 / .16);
    --h1-fill: linear-gradient(135deg, #FFFFFF, #5CFFB5);
    --fill: linear-gradient(135deg, #5CFFB5, #C6FF4D); --tile-glow: 0 8px 30px -8px rgb(92 255 181 / .55), 0 0 18px rgb(92 255 181 / .45); --code-shadow: 0 0 18px rgb(92 255 181 / .45);
    --page-fog-1: rgb(76 102 178 / .14); --page-fog-2: rgb(58 76 140 / .12);
  }
}

* { box-sizing: border-box; }
html { scroll-padding-top: 1rem; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  position: relative; isolation: isolate; min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-kerning: normal;
}
/* page fog: two soft blobs fixed behind the content, quieter than the hero stage */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60rem 40rem at 8% 18%, var(--page-fog-1), transparent 70%),
    radial-gradient(56rem 44rem at 96% 82%, var(--page-fog-2), transparent 70%);
}
img, svg { max-width: 100%; display: block; }
a {
  color: var(--primary);
  text-decoration-color: color-mix(in srgb, currentColor 40%, transparent);
  text-underline-offset: 0.2em;
  transition: color var(--standard), text-decoration-color var(--standard);
}
a:hover { text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.4rem); letter-spacing: -0.015em; }
h3 { font-size: 1.2rem; }
p { margin: 0; text-wrap: pretty; }
code, .mono { font-family: var(--mono); font-weight: 500; font-size: 0.86em; }
.wrap { width: min(100% - 2rem, var(--wrap)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: var(--primary); color: var(--on-primary); padding: .5rem 1rem; z-index: 10; border-radius: var(--r-ctl); }
.skip:focus { left: 1rem; top: 1rem; }

/* header */
.site-header { padding-block: 1.1rem; }
.site-header .wrap { display: flex; align-items: center; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .55rem; color: var(--text); text-decoration: none; font-weight: 600; font-size: 1.2rem; letter-spacing: -0.01em; }
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-mark .mk-box { stroke: var(--text); }
.brand-mark .mk-dot { fill: var(--primary); }
.brand-mark .mk-a { stop-color: var(--primary); }
.brand-mark .mk-b { stop-color: var(--code-end); }
.nav { display: flex; gap: 1.5rem; margin-left: auto; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: .98rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
@media (max-width: 720px) { .nav .nav-extra { display: none; } .nav { gap: 1rem; } }

/* buttons: accent pills; tap = 120 ms to scale .97 and back */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 2.9rem; padding: .55rem 1.4rem; border-radius: 999px;
  font: 600 1rem/1.2 var(--sans); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; background: var(--btn-fill) border-box; color: var(--on-accent); box-shadow: var(--btn-glow);
  transition: transform 120ms var(--ease-standard), filter var(--standard), color var(--standard), box-shadow var(--standard);
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { filter: brightness(1.06) saturate(1.05); text-decoration: none; }
.btn.ghost {
  background: linear-gradient(150deg, var(--glass-sheen), var(--glass-fill) 42%); border-color: color-mix(in srgb, var(--text) 18%, var(--glass-line)); color: var(--text);
  box-shadow: inset 0 1px 0 var(--glass-top);
  -webkit-backdrop-filter: blur(24px) saturate(140%); backdrop-filter: blur(24px) saturate(140%);
}
.btn.ghost:hover { background: color-mix(in srgb, var(--text) 9%, var(--glass-fill)); }
.btn.small { min-height: 2.4rem; padding: .35rem 1.05rem; font-size: .95rem; }
.btn[data-todo] { border-style: dashed; }
.btn:active, .btn.is-pressed, .copy:active, .copy.is-pressed { transform: scale(.97); }
.nav a.btn, .nav a.btn:hover { color: var(--on-accent); }

/* hero: a fog stage with glass objects floating in CSS 3D. Light: pale fog and white glass. Dark: ink navy. */
.hero {
  --text: #0F1F1C; --muted: #55665F; --code: #087F62; --accent: #34E89A; --on-accent: #06120F;
  --code-glow: rgb(52 232 154 / .3); --code-shadow: none;
  --stage-bg: linear-gradient(180deg, #E9F1EE, #F6FAF8);
  --stage-line: rgb(15 31 28 / .06);
  --stage-glow: rgb(52 232 154 / .22);
  --fog-1: rgb(52 232 154 / .08); --fog-2: rgb(181 242 61 / .1); --fog-3: rgb(52 232 154 / .12);
  --glass-fill: rgb(255 255 255 / .55); --glass-sheen: rgb(255 255 255 / .75); --glass-line: rgb(15 31 28 / .08);
  --glass-top: rgb(255 255 255 / .6); --glass-shadow: 0 24px 60px -20px rgb(15 31 28 / .25);
  --inner: rgb(255 255 255 / .6); --inner-line: rgb(15 31 28 / .08);
  --island: rgb(15 31 28 / .85); --shade: rgb(15 31 28 / .16);
  --h1-fill: linear-gradient(135deg, #0B1A16, #0F7A5C);
  --fill: linear-gradient(135deg, #34E89A, #B5F23D); --tile-glow: 0 6px 18px -6px rgb(15 122 92 / .35);
  --trail-a: 52 232 154; --trail-b: 158 217 42; --trail-halo: rgb(15 122 92 / .35);
  position: relative; isolation: isolate; overflow: clip;
  margin-inline: var(--hero-inset); border-radius: clamp(24px, 2.4vw, 36px);
  background: var(--stage-bg); box-shadow: inset 0 0 0 1px var(--stage-line);
  color: var(--text);
  padding-block: clamp(2.25rem, 5vw, 4.5rem) clamp(2.5rem, 5vw, 4.5rem);
}
@media (prefers-color-scheme: dark) {
  .hero {
    --text: #EEF2F8; --muted: rgb(238 242 248 / .62); --code: #5CFFB5; --accent: #5CFFB5; --on-accent: #06120F;
    --code-glow: rgb(92 255 181 / .3); --code-shadow: 0 0 18px rgb(92 255 181 / .45);
    --stage-bg: linear-gradient(160deg, #121827, #070A12 60%);
    --stage-line: rgb(255 255 255 / .06);
    --stage-glow: rgb(92 255 181 / .24);
    --fog-1: rgb(76 102 178 / .26); --fog-2: rgb(58 76 140 / .22); --fog-3: rgb(92 255 181 / .07);
    --glass-fill: rgb(220 235 255 / .06); --glass-sheen: rgb(220 235 255 / .1); --glass-line: rgb(255 255 255 / .14);
    --glass-top: rgb(255 255 255 / .22); --glass-shadow: 0 30px 60px -20px rgb(0 0 0 / .7);
    --inner: rgb(220 235 255 / .06); --inner-line: rgb(255 255 255 / .1);
    --island: rgb(0 0 0 / .55); --shade: rgb(0 0 0 / .55);
    --h1-fill: linear-gradient(135deg, #FFFFFF, #5CFFB5);
    --fill: linear-gradient(135deg, #5CFFB5, #C6FF4D); --tile-glow: 0 8px 30px -8px rgb(92 255 181 / .55), 0 0 18px rgb(92 255 181 / .45);
    --trail-a: 92 255 181; --trail-b: 198 255 77; --trail-halo: rgb(92 255 181 / .55);
    color-scheme: dark;
  }
}
.hero :focus-visible { outline-color: var(--accent); }
.fog { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.fog i { position: absolute; border-radius: 50%; }
.fog-a { width: 72rem; height: 52rem; left: -24rem; top: -20rem; background: radial-gradient(closest-side, var(--fog-1), transparent); }
.fog-b { width: 64rem; height: 46rem; right: -22rem; bottom: -24rem; background: radial-gradient(closest-side, var(--fog-2), transparent); }
.fog-c { width: 44rem; height: 32rem; right: 4%; top: 6%; background: radial-gradient(closest-side, var(--fog-3), transparent); }
@keyframes drift-a { to { transform: translate3d(16rem, 7rem, 0) scale(1.12); } }
@keyframes drift-b { to { transform: translate3d(-14rem, -9rem, 0) scale(1.18); } }
@keyframes drift-c { to { transform: translate3d(-18rem, 10rem, 0) scale(.9); } }
@media (prefers-reduced-motion: no-preference) {
  .fog-a { animation: drift-a 72s ease-in-out infinite alternate; }
  .fog-b { animation: drift-b 90s ease-in-out infinite alternate; }
  .fog-c { animation: drift-c 64s ease-in-out infinite alternate; }
  .hero.is-paused .fog i { animation-play-state: paused; }
}

.hero-grid { display: grid; grid-template-areas: "title" "stage" "body"; row-gap: 1.5rem; }
.hero h1 {
  grid-area: title; font-size: clamp(48px, 8.5vw, 112px); font-weight: 600;
  letter-spacing: -0.035em; line-height: .95; color: var(--text); max-width: 12ch;
  background: var(--h1-fill); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  padding-bottom: .08em;
}
.hero-body { grid-area: body; }
.hero .lede { color: var(--muted); font-size: 1.2rem; max-width: 34rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.hero .fine { margin-top: 1.1rem; color: var(--muted); font-size: .95rem; }
@media (min-width: 60rem) {
  .hero-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); grid-template-areas: "title stage" "body stage"; grid-template-rows: auto 1fr; column-gap: 1.5rem; row-gap: 2.2rem; }
  .hero h1 { padding-top: 1.5rem; }
}
/* the home header lines up with the content inside the inset stage */
body:has(.hero) .site-header .wrap { width: min(100% - 2rem - 2 * var(--hero-inset), var(--wrap)); }
@media (min-width: 80rem) {
  .hero .wrap { width: min(100% - 3rem, 84rem); }
  body:has(.hero) .site-header .wrap { width: min(100% - 3rem - 2 * var(--hero-inset), 84rem); }
  .hero-grid { grid-template-columns: minmax(0, 7.3fr) minmax(0, 4.7fr); row-gap: 2.4rem; }
  .hero h1 { max-width: none; padding-top: 2.5rem; }
}

/* stage: a perspective camera over one 600 x 600 rig; every object sits in rig space */
.stage { grid-area: stage; position: relative; height: 640px; perspective: 1500px; perspective-origin: 50% 35%; }
.stage::before {
  content: ""; position: absolute; left: 50%; top: 52%; width: 640px; height: 520px; margin: -260px 0 0 -320px;
  border-radius: 50%; background: radial-gradient(closest-side, var(--stage-glow), transparent); pointer-events: none;
}
.rig {
  --s: 1;
  position: absolute; left: calc(50% - var(--shift-x, 0px)); top: calc(50% + var(--shift-y, 0px)); width: 600px; height: 600px; margin: -300px 0 0 -300px;
  transform-style: preserve-3d; transform: scale(var(--s));
}
.obj {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%) translate3d(var(--x, 0px), var(--y, 0px), var(--z, 0px)) rotateY(var(--ry, 0deg)) rotateX(var(--rx, 0deg)) translateZ(var(--dz, 0px));
}
.glass {
  background: linear-gradient(150deg, var(--glass-sheen), var(--glass-fill) 42%);
  border: 1px solid var(--glass-line);
  box-shadow: inset 0 1px 0 var(--glass-top), var(--glass-shadow);
  -webkit-backdrop-filter: blur(24px) saturate(140%); backdrop-filter: blur(24px) saturate(140%);
}

/* composition (wide) */
.phone, .slab-back { --x: -140px; --y: -30px; --z: -40px; --ry: 24deg; --rx: 5deg; width: 248px; height: 470px; border-radius: 40px; }
.slab-back { --dz: -18px; background: linear-gradient(165deg, rgb(var(--trail-a) / .16), var(--inner) 60%); border: 1px solid var(--inner-line); }
.tile, .toast { --ry: -16deg; --rx: 7deg; }
.tile { --x: 84px; --y: 64px; --z: 120px; width: 360px; padding: 20px 22px 24px; border-radius: 24px; }
.toast { --x: 92px; --y: 206px; --z: 200px; }
.shade { width: 300px; height: 150px; border-radius: 50%; --rx: 90deg; }
.shade-phone { --x: -140px; --y: 268px; --z: -30px; background: radial-gradient(closest-side, var(--shade), transparent); }
.shade-tile { --x: 90px; --y: 268px; --z: 140px; width: 340px; background: radial-gradient(closest-side, var(--stage-glow), transparent); }

/* phone slab */
.phone { padding: 16px 14px; display: flex; flex-direction: column; overflow: hidden; }
.phone-island { position: absolute; left: 50%; top: 17px; width: 70px; height: 20px; margin-left: -35px; border-radius: 12px; background: var(--island); }
.phone-status { display: flex; justify-content: space-between; align-items: center; padding: 3px 12px 0; height: 22px; font: 600 12px/1 var(--sans); color: var(--text); }
.phone-status svg { width: 30px; height: 10px; }
.phone-title { display: grid; justify-items: center; gap: 2px; margin: 26px 6px 0; padding-bottom: 12px; border-bottom: 1px solid var(--glass-line); }
.phone-title b { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.phone-title span { font-size: 12px; color: var(--muted); }
.thread { margin-top: 18px; }
.compose { display: flex; align-items: center; gap: 8px; margin: auto 2px 8px; }
.compose::before { content: ""; flex: 1; height: 38px; border-radius: 999px; background: var(--inner); border: 1px solid var(--inner-line); }
.compose::after { content: ""; width: 38px; height: 38px; border-radius: 50%; background: var(--fill); opacity: .85; }
.bubble {
  background: var(--inner); border: 1px solid var(--inner-line); border-radius: 20px 20px 20px 6px;
  padding: 12px 14px; font-size: 15px; line-height: 1.45; color: var(--text);
}
.sms-code { display: block; width: max-content; margin-block: 1px 6px; font: 500 18px/1.2 var(--mono); letter-spacing: .08em; color: var(--code); white-space: nowrap; text-shadow: var(--code-shadow); }
.sms-code span { display: inline-block; }
.sms-time { margin: 6px 8px 0; font-size: 12px; color: var(--muted); }

/* OTP tile: empty boxes are glass, a box that holds a character fills with the accent gradient */
.url { display: inline-block; max-width: 100%; padding: 4px 12px; border-radius: 999px; background: var(--inner); border: 1px solid var(--inner-line); font-size: 12.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile-title { margin: 20px 0 10px; font-size: 22px; font-weight: 600; letter-spacing: -0.015em; }
.otp { --box-w: 44px; --box-h: 56px; --box-gap: 8px; --box-font: 24px; position: relative; display: flex; gap: var(--box-gap); width: max-content; }
.otp .glow { position: absolute; inset: -14px; border-radius: 22px; background: radial-gradient(closest-side, var(--code-glow), transparent); opacity: 0; }
.box {
  position: relative; isolation: isolate; width: var(--box-w); height: var(--box-h); display: grid; place-items: center;
  background: var(--inner); border: 1px solid var(--glass-line); border-radius: 12px;
  font: 500 var(--box-font)/1 var(--mono); color: var(--code); text-shadow: var(--code-shadow);
  transition: color var(--standard), border-color var(--standard), box-shadow var(--standard);
}
.box::before { content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: inherit; background: var(--fill); opacity: 0; transition: opacity var(--standard); }
.box.is-on { color: var(--on-accent); text-shadow: none; border-color: transparent; box-shadow: var(--tile-glow); }
.box.is-on::before { opacity: 1; }
.box .ch { display: block; }
.otp.is-listening .glow + .box { border-color: var(--accent); box-shadow: 0 0 0 3px rgb(var(--trail-a) / .2); }
.listen { position: absolute; left: 0; top: 0; width: var(--box-w); height: 100%; display: grid; place-items: center; pointer-events: none; opacity: 0; transition: opacity var(--standard); }
.listen::before, .listen::after { content: ""; grid-area: 1 / 1; border-radius: 50%; }
.listen::before { width: 8px; height: 8px; background: var(--code); }
.listen::after { width: 18px; height: 18px; border: 1.5px solid var(--code); opacity: .45; }
.otp.is-listening .listen { opacity: 1; }

/* toast pill */
.toast { display: flex; align-items: center; gap: 10px; padding: 10px 18px 10px 10px; border-radius: 999px; font-size: 15px; line-height: 1.3; white-space: nowrap; color: var(--text); }
.toast b { font: 500 13.5px/1 var(--mono); letter-spacing: .08em; color: var(--code); }
.toast svg { width: 24px; height: 24px; flex: none; color: var(--on-accent); }
.toast .tk-ring { fill: var(--accent); }
.toast .tk-check { fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* flying characters and the trail, placed by hero.js in rig space */
.flyers { position: absolute; inset: 0; transform-style: preserve-3d; pointer-events: none; }
.flyer {
  position: absolute; left: 50%; top: 50%; width: 44px; height: 56px; display: grid; place-items: center;
  font: 500 24px/1 var(--mono); color: var(--code); text-shadow: var(--code-shadow); will-change: transform, opacity;
}
.spark { position: absolute; left: 50%; top: 50%; width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px 1px var(--trail-halo); opacity: 0; will-change: opacity; }

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: .45; }
  50% { transform: scale(1.35); opacity: 1; }
}
@media (prefers-reduced-motion: no-preference) {
  .otp.is-listening .listen::after { animation: breathe 2.4s ease-in-out infinite; }
  .hero.is-paused .listen::after { animation-play-state: paused; }
}
/* before the script takes over, show frame 0: the field listens, the message and the toast are hidden */
.hero-motion .stage:not(.is-live) .toast,
.hero-motion .stage:not(.is-live) .box .ch,
.hero-motion .stage:not(.is-live) .sms.new { opacity: 0; }
.hero-motion .stage:not(.is-live) .box.is-on { color: var(--code); text-shadow: var(--code-shadow); border-color: var(--glass-line); box-shadow: none; }
.hero-motion .stage:not(.is-live) .box.is-on::before { opacity: 0; }
.hero-motion .stage:not(.is-live) .otp .glow + .box { border-color: var(--accent); box-shadow: 0 0 0 3px rgb(var(--trail-a) / .2); }
.hero-motion .stage:not(.is-live) .listen { opacity: 1; }

/* narrower screens: the scene sits between the headline and the copy, scaled down */
@media (min-width: 80rem) {
  .rig { --s: .9; --shift-x: 30px; --shift-y: 30px; }
}
@media (min-width: 60rem) and (max-width: 79.99rem) {
  .stage { height: 600px; }
  .rig { --s: .72; --shift-x: 14px; }
}
@media (max-width: 59.99rem) {
  .stage { height: 540px; }
  .rig { --s: .84; }
}
@media (max-width: 40rem) {
  .stage { height: 340px; margin-inline: -1rem; }
  .stage::before { width: 420px; height: 340px; margin: -170px 0 0 -210px; }
  .rig { --s: .58; }
  .phone, .slab-back { --x: -128px; --y: -24px; }
  .tile { --x: 92px; --y: 70px; }
  .toast { --x: 70px; --y: 210px; }
  .shade-phone { --x: -128px; --y: 250px; }
  .shade-tile { --x: 92px; --y: 250px; }
  .bubble { font-size: 17px; }
  .toast { font-size: 17px; }
  .toast b { font-size: 15.5px; }
}

/* sections below the hero sit on a quiet page fog; cards use the glass recipe at three levels:
   1 = panel (pricing, download, legal page), 2 = card (steps, security points), 3 = inset (FAQ items, code, tables) */
section { padding-block: clamp(3rem, 7vw, 5.5rem); overflow-x: clip; }
.section-head { max-width: 40rem; }
.section-head p { margin-top: 1rem; color: var(--muted); font-size: 1.15rem; }
.rule { border-top: 0; }

.steps li, .ledger, .card, .dl-panel, .page .prose, .faq details, .hash, pre, .prose .callout, .prose .table-scroll {
  background: linear-gradient(150deg, var(--glass-sheen), var(--glass-fill) 42%);
  border: 1px solid var(--glass-line);
  -webkit-backdrop-filter: blur(24px) saturate(140%); backdrop-filter: blur(24px) saturate(140%);
}
/* level 1: panels */
.card, .dl-panel, .page .prose { border-radius: 28px; box-shadow: inset 0 1px 0 var(--glass-top), var(--glass-shadow); }
/* level 2: cards */
.steps li, .ledger { border-radius: 20px; box-shadow: inset 0 1px 0 var(--glass-top), var(--glass-shadow-sm); }
/* level 3: insets */
.faq details, .hash, pre, .prose .callout, .prose .table-scroll { border-radius: 14px; box-shadow: inset 0 1px 0 var(--glass-top); }

/* steps */
.steps { list-style: none; margin: 3rem 0 0; padding: 0; display: grid; gap: 1.25rem; counter-reset: s; }
@media (min-width: 52rem) { .steps { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } }
.steps li { position: relative; padding: 1.6rem 1.6rem 1.7rem; counter-increment: s; }
.steps li::before {
  content: "0" counter(s); display: inline-grid; place-items: center; min-width: 2.6rem; height: 2rem; padding-inline: .6rem; margin-bottom: 1.1rem;
  font: 500 .82rem/1 var(--mono); letter-spacing: .08em; color: var(--code); text-shadow: var(--code-shadow);
  border: 1px solid var(--glass-line); border-radius: 999px; background: var(--glass-fill); box-shadow: inset 0 1px 0 var(--glass-top);
}
.steps h3 { margin-bottom: .5rem; }
.steps p { color: var(--muted); }

/* code tiles: an OTP example; a filled tile uses the accent gradient */
.tiles { display: flex; gap: .4rem; margin-top: 1.3rem; }
.tiles span {
  display: grid; place-items: center; width: 2.1rem; height: 2.7rem; border-radius: 10px; position: relative; isolation: isolate;
  font: 500 1.1rem/1 var(--mono); color: var(--on-accent); box-shadow: var(--tile-glow);
}
.tiles span::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; background: var(--fill); }
.tiles.big span { width: clamp(3.2rem, 11vw, 4.6rem); height: clamp(4.1rem, 14vw, 5.9rem); border-radius: 16px; font-size: clamp(1.8rem, 6vw, 2.6rem); }
.tiles.big { gap: clamp(.5rem, 1.4vw, .8rem); margin: 0 0 2rem; }

/* privacy */
.split { display: grid; gap: 1.25rem; margin-top: 2.5rem; }
@media (min-width: 52rem) { .split { grid-template-columns: 1fr 1fr; gap: 1.5rem; } }
.ledger { padding: 1.7rem 1.7rem 1.6rem; }
.ledger h3 { font-size: 1.05rem; margin-bottom: .9rem; }
.ledger ul { margin: 0; padding: 0; list-style: none; display: grid; gap: .6rem; }
.ledger li { padding-left: 1.5rem; position: relative; }
.ledger li::before { content: ""; position: absolute; left: 0; top: .62em; width: .7rem; height: 2px; border-radius: 1px; background: var(--code); }
.ledger.never li::before { background: var(--danger); }
.more { margin-top: 2rem; }

/* pricing: the one panel with the green glow behind it */
.price-wrap { display: grid; gap: 2.5rem; align-items: start; }
@media (min-width: 52rem) { .price-wrap { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.price-wrap > .card { position: relative; isolation: isolate; }
.price-wrap > .card::after { content: ""; position: absolute; inset: -18% -12%; z-index: -2; pointer-events: none; background: radial-gradient(closest-side, var(--stage-glow), transparent); }
.card { padding: clamp(1.6rem, 4vw, 2.4rem); }
.price { font-size: 3.4rem; font-weight: 600; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.price small { display: block; margin: .5rem 0 0; font-size: 1.05rem; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.ticks { list-style: none; margin: 1.4rem 0 1.6rem; padding: 0; display: grid; gap: .5rem; }
.ticks li { padding-left: 1.6rem; position: relative; }
.ticks li::before { content: ""; position: absolute; left: .1rem; top: .45em; width: .7rem; height: .4rem; border-left: 2px solid var(--code); border-bottom: 2px solid var(--code); transform: rotate(-45deg); }
.card .btn { width: 100%; }
.notice { margin-top: 1rem; font-size: .93rem; color: var(--muted); }

/* faq: each item is an inset glass row; details animate height where the browser supports it */
.faq { margin-top: 2.5rem; max-width: 46rem; display: grid; gap: .6rem; interpolate-size: allow-keywords; }
.faq details { transition: transform var(--standard), border-color var(--standard), box-shadow var(--standard); }
.faq details:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 35%, var(--glass-line)); box-shadow: inset 0 1px 0 var(--glass-top), var(--glass-shadow-sm); }
.faq details[open] { border-color: color-mix(in srgb, var(--accent) 28%, var(--glass-line)); }
.faq summary {
  cursor: pointer; padding: 1.05rem 3rem 1.05rem 1.25rem; font-weight: 600; list-style: none; position: relative;
  border-radius: 14px; transition: color var(--standard); -webkit-tap-highlight-color: transparent;
}
.faq summary:hover { color: var(--primary); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before, .faq summary::after {
  content: ""; position: absolute; right: 1.25rem; top: 50%; width: 12px; height: 1.5px; margin-top: -.75px;
  border-radius: 1px; background: var(--primary); transition: transform var(--standard);
}
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0deg); }
.faq details p { padding: 0 1.25rem 1.2rem; color: var(--muted); }
.faq details::details-content {
  block-size: 0; overflow: hidden;
  transition: block-size var(--standard), content-visibility var(--standard) allow-discrete;
}
.faq details[open]::details-content { block-size: auto; }

/* download: the APK side is a panel, the install steps sit on the page */
.dl { display: grid; gap: 2.5rem; margin-top: 2.5rem; align-items: start; }
@media (min-width: 60rem) { .dl { grid-template-columns: 1.15fr 1fr; gap: 3rem; } }
.dl-panel { padding: clamp(1.4rem, 4vw, 2.2rem); }
.dl h3 { margin-bottom: .8rem; }
.dl ol { padding-left: 1.3rem; margin: 0; display: grid; gap: .5rem; }
.dl > div:not(.dl-panel) { padding-top: clamp(0rem, 2vw, 1.4rem); }
.hashes { display: grid; gap: 1.1rem; margin-top: 1.3rem; }
.hash-label { font-size: .93rem; color: var(--muted); margin-bottom: .3rem; }
.hash-row { display: flex; gap: .6rem; align-items: stretch; }
.hash { flex: 1; min-width: 0; font: 500 .78rem/1.6 var(--mono); overflow-wrap: anywhere; padding: .6rem .8rem; color: var(--text); }
.copy {
  font: 600 .85rem var(--sans); color: var(--text); cursor: pointer;
  border: 1px solid var(--glass-line); border-radius: 999px; padding: .5rem 1rem;
  background: linear-gradient(150deg, var(--glass-sheen), var(--glass-fill) 42%); box-shadow: inset 0 1px 0 var(--glass-top);
  -webkit-backdrop-filter: blur(24px) saturate(140%); backdrop-filter: blur(24px) saturate(140%);
  transition: transform 120ms var(--ease-standard), border-color var(--standard), color var(--standard);
}
.copy:hover { border-color: var(--primary); }
pre { margin: .6rem 0 0; padding: .9rem 1.1rem; overflow-x: auto; font: 500 .78rem/1.7 var(--mono); color: var(--text); }
.dl-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 1.4rem; }
.meta { color: var(--muted); font-size: .93rem; }

/* footer */
.site-footer { border-top: 1px solid var(--glass-line); padding-block: 3rem 3.5rem; color: var(--muted); font-size: .95rem; }
.site-footer .wrap { display: grid; gap: 2rem; }
@media (min-width: 52rem) { .site-footer .wrap { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-footer h2 { font-size: .98rem; color: var(--text); letter-spacing: 0; margin-bottom: .6rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.site-footer p + p { margin-top: .6rem; }

/* page h1: the only heading with the gradient fill */
.prose h1 { background: var(--h1-fill); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: var(--text); padding-bottom: .08em; }

/* prose (legal + security): the article is one glass panel */
.page { padding-block: clamp(1.5rem, 4vw, 3rem) clamp(3rem, 7vw, 5rem); }
.prose { max-width: 48rem; }
.page .prose { padding: clamp(1.4rem, 5vw, 3.4rem); }
.prose h1 { font-size: clamp(2.2rem, 5.5vw, 3.4rem); letter-spacing: -0.03em; line-height: 1.05; }
.prose .updated { color: var(--muted); margin-top: .6rem; }
.prose h2 { font-size: 1.45rem; margin-top: 2.6rem; letter-spacing: -0.01em; }
.prose p, .prose ul, .prose ol { margin-top: 1rem; }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li + li { margin-top: .4rem; }
.prose li::marker { color: var(--muted); }
.prose .lede { color: var(--muted); font-size: 1.2rem; margin-top: 1.2rem; }
.prose table { width: 100%; border-collapse: collapse; font-size: .98rem; }
.prose th, .prose td { text-align: left; padding: .7rem 1rem; border-bottom: 1px solid var(--glass-line); vertical-align: top; }
.prose tr:last-child td { border-bottom: 0; }
.prose th { font-weight: 600; }
.prose .callout { margin-top: 1.4rem; padding: 1rem 1.2rem; }
.prose .table-scroll { margin-top: 1rem; }
.table-scroll { overflow-x: auto; }

.notfound { text-align: left; padding-block: clamp(3rem, 10vw, 6rem); }
.mt { margin-top: 1.2rem; }
.dl > *, .split > *, .price-wrap > *, .hero .wrap > * { min-width: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 150ms !important; }
  .btn:active, .btn.is-pressed, .copy:active, .copy.is-pressed { transform: none; }
  .faq summary::before, .faq summary::after { transition-property: opacity !important; }
  .faq details::details-content { transition: none; }
  .faq details:hover { transform: none; }
}

/* download: store badge, icon button, release facts */
.dl-sub { margin-top: 2rem; }
.cws { display: inline-block; margin: 1rem 0 0; padding: .25rem 0; line-height: 0; border-radius: 8px; }
.cws img { display: block; width: 200px; height: auto; }
.btn-icon { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.facts { display: flex; flex-wrap: wrap; gap: .6rem 2rem; margin: 0; }
.facts dt { font-size: .93rem; color: var(--muted); }
.facts dd { margin: .15rem 0 0; font-weight: 600; }
.hash[data-pairs] { overflow-wrap: normal; word-break: normal; }