body {
  color-scheme: dark;
  --black: #090909;
  --brand: #ffd600;
  --red: var(--brand);
  --white: #f6f5f2;
  --muted: #959595;
  --line: #363636;
  --display: "Chakra Petch", sans-serif;
  --gutter: clamp(20px, 5vw, 80px);
  font-family: "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--black); color: var(--white); overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
button, a, summary { touch-action: manipulation; }
a:focus-visible, summary:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--red); outline-offset: 4px; }
.skip-link { position: absolute; top: -80px; left: 16px; padding: 12px; background: white; color: black; z-index: 40; }
.skip-link:focus { top: 16px; }
.section-kicker { font: 700 15px var(--display); letter-spacing: .1em; }

/* Header: transparent over the hero, solid once the page scrolls (class set by landing-motion.js). */
.site-header {
  position: fixed; z-index: 20; inset: 0 0 auto;
  height: 72px; padding: 0 clamp(12px, 1.8vw, 28px) 0 clamp(20px, 3vw, 48px);
  display: flex; align-items: center; gap: 36px;
  background: linear-gradient(#050505a8, transparent);
  transition: background .25s, border-color .25s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { background: #090909e6; border-color: #222; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.brand { display: inline-flex; align-items: center; gap: 8px; flex: none; }
.brand-word { width: 126px; }
.brand-icon { width: 36px; height: 36px; border-radius: 9px; flex: none; }
.site-header nav { display: flex; gap: 32px; margin-left: auto; }
.site-header nav a, .footer nav a { font: 600 14px "DM Sans", sans-serif; }
.site-header nav a:hover, .footer nav a:hover { color: var(--red); }
.header-cta { border: 1px solid var(--brand); padding: 12px 18px; white-space: nowrap; font: 700 14px var(--display); letter-spacing: .06em; }
.header-cta span { margin-left: 20px; }
.header-cta:hover { background: var(--brand); color: black; }

/* Hero */
.hero { position: relative; min-height: 700px; height: 100svh; overflow: hidden; background: #101010; }
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 47%; filter: contrast(1.04) saturate(.9); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(ellipse 48% 66% at 83% 48%, rgba(255, 214, 0, .22), transparent 75%); mix-blend-mode: screen; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, #000c 0%, #0008 30%, transparent 72%), linear-gradient(0deg, #000e 0%, transparent 32%, transparent 76%, #0006 100%); }
.hero-copy { position: absolute; z-index: 2; left: clamp(20px, 3vw, 48px); top: 21%; width: min(760px, 68vw); }
/* The promise is the headline; the wordmark already sits in the header (Built For Mars review). */
.hero h1 { margin: 18px 0 0; font: 700 clamp(46px, 5.6vw, 68px)/.92 var(--display); letter-spacing: -.045em; text-transform: uppercase; }
.hero h1 span { color: var(--brand); }
.hero-tag { display: flex; align-items: center; gap: 10px; margin: 0; font: 600 clamp(15px, 1.4vw, 20px) var(--display); letter-spacing: .08em; white-space: nowrap; }
.hero-tag b { color: var(--red); font-size: 1.25em; font-weight: 400; }
.hero-sub { max-width: 470px; margin: 22px 0 0; color: #d6d6d6; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.5; }
.hero-floor { position: absolute; z-index: 2; left: clamp(20px, 3vw, 48px); right: clamp(12px, 1.8vw, 28px); bottom: 36px; display: flex; align-items: end; justify-content: space-between; gap: 32px; }

/* Bracketed stat row, BBC style: ( 0 VIDEO · 1 HP · … ) */
.hero-stats { position: relative; display: flex; gap: clamp(18px, 2.6vw, 44px); margin: 0; padding: 4px 30px; list-style: none; }
.hero-stats::before, .hero-stats::after { position: absolute; top: 50%; transform: translateY(-54%); color: var(--red); font: 300 58px/1 var(--display); }
.hero-stats::before { content: "("; left: 0; }
.hero-stats::after { content: ")"; right: 0; }
.hero-stats li { display: flex; align-items: center; gap: 9px; }
.hero-stats b { font: 700 28px/1 var(--display); letter-spacing: -.03em; }
.hero-stats span { color: #bdbdbd; font: 700 10px/1.25 var(--display); letter-spacing: .08em; }

.hero-open { display: flex; align-items: center; justify-content: space-between; gap: 55px; min-width: 225px; padding: 17px 18px; background: var(--brand); color: #0a0a0a; font: 700 15px var(--display); letter-spacing: .04em; white-space: nowrap; }
.hero-open b { font-size: 25px; font-weight: 400; line-height: .6; }
.hero-qr { display: none; align-items: center; gap: 16px; width: 360px; padding: 12px; border: 1px solid #ffffff2e; background: #0a0a0acc; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.hero-qr img { width: 96px; height: 96px; flex: none; }
.hero-qr strong { display: block; color: var(--red); font: 700 14px var(--display); letter-spacing: .08em; }
.hero-qr p { margin: 6px 0 8px; color: #bbb; font-size: 13px; line-height: 1.4; }
.hero-qr p b { color: #fff; font-weight: 600; }
.hero-qr a { font: 700 12px var(--display); letter-spacing: .06em; border-bottom: 1px solid #777; }
/* Laptop/desktop visitors can't work out there (the phone camera counts reps), so they get a QR code. */
@media (hover: hover) and (pointer: fine) and (min-width: 901px) {
  .hero-open { display: none; }
  .hero-qr { display: flex; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: hero-enter .65s cubic-bezier(.2,.75,.2,1) both; }
  .hero-floor { animation: hero-enter .65s .12s cubic-bezier(.2,.75,.2,1) both; }
  .phone-device.is-active { animation: phone-arrive .8s cubic-bezier(.2,.75,.2,1) both; }
  .hero-open b, .header-cta span, .red-intro-copy a span, .habit-cta span, .signal a span, .footer-cta a span { display: inline-block; transition: transform .2s ease; }
  :is(.hero-open, .header-cta, .red-intro-copy a, .habit-cta, .signal a, .footer-cta a):hover span,
  .hero-open:hover b { transform: translate(3px, -3px); }
}
@keyframes hero-enter { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes phone-arrive { from { opacity: .5; transform: translateY(24px) rotate(-9deg); } to { opacity: 1; transform: translateY(0) rotate(-5deg); } }

/* Ticker band (BBC's "featured on" strip, but with our own words) */
.ticker { overflow: hidden; background: var(--red); color: #0b0b0b; border-bottom: 1px solid #0003; }
.ticker-track { display: flex; align-items: center; gap: 28px; width: max-content; padding: 17px 0; font: 700 clamp(16px, 1.6vw, 22px) var(--display); letter-spacing: .06em; white-space: nowrap; }
/* CTA arrows are an SVG: the ↗ character turns into a blue emoji tile on iPhones. */
svg.arrow { display: inline-block; width: .9em; height: .9em; vertical-align: -.08em; }
.ticker-track .tk-ic { width: 1.6em; height: 1.6em; flex: none; }
.phone-device .ic, .rm-add .ic { width: 1em; height: 1em; }
.phone-sys { display: flex; align-items: center; gap: 5px; }
.phone-sys .ic:first-child { width: 15px; height: 10px; }
.phone-sys .ic:last-child { width: 22px; height: 10px; }
@media (prefers-reduced-motion: no-preference) {
  .ticker-track { animation: ticker 32s linear infinite; }
}
@keyframes ticker { to { transform: translateX(calc(-50% - 14px)); } }

/* 01 — How it works (yellow) */
.red-intro { position: relative; min-height: 760px; overflow: hidden; background: var(--red); color: #111; display: grid; grid-template-columns: 47% 53%; }
.red-intro-copy { position: relative; z-index: 2; padding: clamp(80px, 9vw, 140px) 0 110px var(--gutter); }
.red-intro h2 { margin: 30px 0 34px; font: 700 clamp(76px, 10vw, 155px)/.83 var(--display); letter-spacing: -.065em; white-space: nowrap; }
.red-intro h2 span { color: #fff; }
.steps { margin: 0 0 38px; padding: 0; list-style: none; max-width: 480px; border-top: 1px solid #0005; }
.steps li { display: flex; gap: 20px; padding: 17px 0; border-bottom: 1px solid #0005; }
.steps li > b { font: 700 15px/1.5 var(--display); letter-spacing: .06em; }
.steps strong { display: block; font: 700 clamp(19px, 1.7vw, 24px)/1.2 var(--display); }
.steps p { margin: 4px 0 0; font-size: 16px; line-height: 1.45; color: #2a2a2a; }
.red-intro-copy > a { display: inline-flex; gap: 50px; align-items: center; border-bottom: 2px solid #111; padding-bottom: 8px; font: 700 16px var(--display); letter-spacing: .05em; }
.red-intro-copy > a span { font-size: 23px; font-weight: 400; }
.red-intro-art { position: relative; min-width: 0; }
.red-intro-art img { position: absolute; width: 92%; right: 0; top: 50%; transform: translateY(-40%); filter: drop-shadow(24px 32px 20px #0004); }

/* 02 — Features: phone on the left, BBC-style list on the right */
.product { min-height: 830px; padding: clamp(90px, 11vw, 145px) clamp(20px, 6vw, 92px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(55px, 7vw, 120px); max-width: 1600px; margin: auto; }
.product-visual { min-width: 0; min-height: 640px; position: relative; display: grid; place-items: center; background: #151515; border: 1px solid #252525; overflow: hidden; }
.product-visual::before { content: ""; position: absolute; width: 75%; height: 45%; bottom: -20%; background: var(--red); filter: blur(90px); opacity: .3; }
.preview-label { position: absolute; top: 22px; left: 24px; z-index: 1; color: #c2c2c2; font: 700 12px var(--display); letter-spacing: .1em; }
.preview-label span { color: #777; }
.phone-device { position: relative; z-index: 1; width: min(326px, 82%); height: 618px; margin-top: 65px; padding: 9px; border-radius: 46px; background: linear-gradient(135deg, #777, #161616 18%, #050505 70%, #666); border: 2px solid #777; box-shadow: 0 35px 70px #000c, inset 0 0 0 2px #080808, 0 0 85px #ffd60022; transform: rotate(-5deg); }
.phone-device::before { content: ""; position: absolute; right: -5px; top: 142px; width: 3px; height: 63px; background: #777; border-radius: 0 4px 4px 0; }
.phone-screen { position: relative; height: 100%; overflow: hidden; border-radius: 37px; background: #0d0d0d; color: #f8f7f3; }
.phone-status { position: relative; z-index: 2; height: 40px; display: flex; align-items: center; justify-content: space-between; font: 700 11px "DM Sans", sans-serif; padding: 0 22px; }
.phone-island { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 76px; height: 19px; border-radius: 20px; background: #030303; }
.phone-home-indicator { position: absolute; z-index: 2; bottom: 6px; left: 50%; transform: translateX(-50%); width: 96px; height: 4px; border-radius: 5px; background: #e6e6e6; }
/* Screens slide like a carousel: the next one comes in from the right, the old one leaves left. */
.screen { position: absolute; inset: 40px 0 0; padding: 0 15px; opacity: 0; visibility: hidden; transform: translateX(60%); transition: opacity .45s, transform .55s cubic-bezier(.2,.75,.2,1), visibility 0s .55s; }
.screen.is-on { opacity: 1; visibility: visible; transform: none; transition: opacity .45s, transform .55s cubic-bezier(.2,.75,.2,1); }
.screen.is-past { transform: translateX(-60%); }
/* Without JS the first screen is the one shown. */
.product-visual:not(.js) .screen[data-screen="count"] { opacity: 1; visibility: visible; transform: none; }

/* Screen: workout counter = a video of the real iPhone test recording (fills the screen). */
.screen[data-screen="count"] { padding: 0; }
.ws-video { display: block; width: 100%; height: 100%; object-fit: cover; background: #0d0d0d; }

/* Screen: home / progress */
.phone-app-top { display: flex; align-items: center; gap: 7px; height: 49px; font: 700 18px var(--display); }
.phone-app-top img { border-radius: 7px; }
.phone-app-top small { margin-left: auto; background: #282828; color: #bbb; border-radius: 20px; padding: 4px 8px; font: 700 9px "DM Sans", sans-serif; }
.phone-today { position: relative; margin-top: 9px; padding: 19px 16px 16px; border-radius: 19px; overflow: hidden; background: #ffd600; color: #0a0a0a; }
.phone-today::after { content: ""; position: absolute; right: -48px; top: -55px; width: 135px; height: 135px; border: 21px solid #10101016; border-radius: 50%; }
.phone-today > span { font: 700 10px var(--display); letter-spacing: .15em; }
.phone-today > div:not(.phone-stats) { display: flex; align-items: end; gap: 12px; margin-top: 17px; }
.phone-today strong { font: 700 88px/.76 var(--display); letter-spacing: -.09em; }
.phone-today div > b { font: 700 15px/1.05 var(--display); }
.phone-today p { margin: 14px 0 22px; font-size: 11px; }
.phone-stats { border-top: 1px solid #1115; padding-top: 13px; display: flex; justify-content: space-between; gap: 5px; }
.phone-stats span { display: grid; gap: 3px; font: 700 8px var(--display); letter-spacing: .04em; }
.phone-stats b { font-size: 19px; letter-spacing: -.04em; }
.phone-week { margin-top: 10px; padding: 15px; background: #242424; border-radius: 17px; }
.phone-week > div { display: flex; justify-content: space-between; font: 700 10px var(--display); }
.phone-week > div span { color: #ffd600; font-size: 9px; }
/* Same pills as the app's week card. */
.pw-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; margin: 13px 0 0; }
.pw-days span::before { content: ""; display: block; width: 100%; max-width: 24px; height: 30px; border-radius: 99px; background: #333; grid-area: 1 / 1; }
.pw-days span { display: grid; justify-items: center; gap: 5px; }
.pw-days span.on::before { background: #ffd600; }
.pw-days .ic { grid-area: 1 / 1; align-self: center; width: 12px; height: 12px; color: #0a0a0a; }
.pw-days b { color: #929292; font: 700 8px var(--display); letter-spacing: .07em; }
.phone-streak { display: flex; align-items: center; gap: 12px; margin-top: 10px; padding: 16px; border-radius: 17px; background: #191919; }
.phone-streak strong { display: flex; align-items: center; gap: 6px; font: 700 28px/1 var(--display); }
.phone-streak .flame { width: 24px; height: 24px; color: #ff7a1a; }
.phone-streak span { color: #ffd600; font: 700 10px var(--display); letter-spacing: .12em; }

/* Screen: reminders */
.rm-notif { display: flex; gap: 10px; margin-top: 10px; padding: 12px; border-radius: 18px; background: #2a2a2acc; box-shadow: 0 10px 30px #0008; }
.rm-notif img { border-radius: 7px; flex: none; }
.rm-notif b { display: flex; justify-content: space-between; font-size: 12px; }
.rm-notif small { color: #999; font-weight: 500; }
.rm-notif p { margin: 3px 0 0; color: #ddd; font-size: 11px; line-height: 1.35; }
.rm-title { margin: 30px 4px 16px; font: 700 34px/.9 var(--display); letter-spacing: -.04em; }
.rm-row { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; padding: 14px 16px; border-radius: 16px; background: #1b1b1b; }
.rm-row strong { display: block; font: 700 26px/1 var(--display); letter-spacing: -.03em; }
.rm-row span { color: #8d8d8d; font: 700 9px var(--display); letter-spacing: .12em; }
.rm-row i { position: relative; width: 40px; height: 24px; border-radius: 20px; background: #3a3a3a; }
.rm-row i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #d8d8d8; }
.rm-row i.on { background: var(--brand); }
.rm-row i.on::after { left: 19px; background: #111; }
.rm-add { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 12px; padding: 13px; border: 1px dashed #444; border-radius: 16px; text-align: center; color: #aaa; font: 700 10px var(--display); letter-spacing: .12em; }

.product-content { padding-top: 8px; min-width: 0; }
.product-content .section-kicker { color: var(--red); }
.product-content h2 { margin: 25px 0 35px; font: 700 clamp(65px, 6.6vw, 105px)/.91 var(--display); letter-spacing: -.06em; }
.product-content h2 span { color: #6e6e6e; }
.feature-tabs { border-top: 1px solid var(--line); }
.feature-tabs [role="tab"] { display: flex; gap: 14px; width: 100%; padding: 21px 0; border-bottom: 1px solid var(--line); text-align: left; font: 600 clamp(17px, 1.7vw, 25px) var(--display); letter-spacing: .02em; color: #6c6c6c; transition: color .2s; }
.feature-tabs [role="tab"] span { color: inherit; font-size: .7em; line-height: 1.6; }
.feature-tabs .soon { display: inline-flex; align-items: center; height: 22px; margin-left: 8px; padding: 1px 9px 0; border: 1px solid var(--brand); border-radius: 99px; color: var(--brand); font: 700 10px/1 var(--display); font-style: normal; letter-spacing: .08em; vertical-align: middle; white-space: nowrap; }
.feature-tabs [role="tab"]:hover { color: #bbb; }
.feature-tabs [role="tab"][aria-selected="true"] { color: #fff; border-bottom-color: transparent; padding-bottom: 12px; }
.feature-tabs [role="tab"][aria-selected="true"] span { color: var(--red); }
.feature-panel { position: relative; border-bottom: 1px solid var(--line); }
.feature-panel p { color: #b8b8b8; font-size: 16px; line-height: 1.55; max-width: 540px; margin: 0 0 22px; }
.feature-panel .feature-proof { margin-top: -10px; padding-left: 12px; border-left: 2px solid var(--brand); color: #ddd; font-size: 14px; }
.feature-proof b { color: var(--brand); font: 700 16px var(--display); }
.feature-timer { position: absolute; left: 0; bottom: -1px; height: 2px; width: 0; background: var(--red); }
.feature-tabs.is-rotating .feature-panel:not([hidden]) .feature-timer { animation: feature-timer var(--feature-ms, 5500ms) linear forwards; }
.feature-tabs.is-paused .feature-timer { animation-play-state: paused !important; }
@keyframes feature-timer { to { width: 100%; } }
.outline-link { display: inline-flex; justify-content: space-between; gap: 48px; margin-top: 35px; padding: 13px 0; border-bottom: 1px solid #aaa; font: 700 16px var(--display); }
.outline-link:hover { color: var(--red); border-color: var(--red); }

/* 03 — Habit calculator */
.habit { position: relative; overflow: hidden; padding: clamp(100px, 11vw, 160px) var(--gutter); text-align: center; border-top: 1px solid #222; background: radial-gradient(ellipse 60% 55% at 50% 58%, #ffd6001f, transparent 70%), var(--black); }
.habit-ghost, .signal-ghost { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 0; pointer-events: none; white-space: nowrap; color: transparent; -webkit-text-stroke: 1px #ffffff14; font: 700 clamp(140px, 26vw, 420px)/.8 var(--display); letter-spacing: -.07em; }
.habit > :not(.habit-ghost) { position: relative; z-index: 1; }
.habit .section-kicker { color: var(--red); }
.habit h2 { margin: 24px 0 46px; font: 700 clamp(52px, 7.4vw, 118px)/.9 var(--display); letter-spacing: -.06em; }
.habit h2 span { color: #6e6e6e; }
.habit-card { max-width: 640px; margin: 0 auto; padding: 34px clamp(18px, 4vw, 44px) 26px; border: 1px solid #2c2c2c; background: #111111d9; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.habit-q { display: block; font: 600 clamp(19px, 2vw, 26px)/1.3 var(--display); }
.habit-q output { display: inline-block; min-width: 2.2ch; padding: 0 6px; border-bottom: 2px solid var(--red); color: var(--red); font-weight: 700; }
.habit input[type="range"] { width: 100%; margin: 28px 0 18px; height: 28px; background: transparent; accent-color: var(--brand); -webkit-appearance: none; appearance: none; }
.habit input[type="range"]::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--brand) var(--fill, 9%), #333 var(--fill, 9%)); }
.habit input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px; margin-top: -11px; border-radius: 50%; background: var(--brand); border: 4px solid #111; box-shadow: 0 0 0 1px var(--brand); }
.habit input[type="range"]::-moz-range-track { height: 4px; border-radius: 4px; background: #333; }
.habit input[type="range"]::-moz-range-progress { height: 4px; border-radius: 4px; background: var(--brand); }
.habit input[type="range"]::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--brand); border: 4px solid #111; }
.habit-presets { display: flex; justify-content: center; gap: 8px; }
.habit-presets button { min-width: 56px; padding: 9px 14px; border: 1px solid #3a3a3a; border-radius: 30px; font: 700 14px var(--display); color: #bbb; }
.habit-presets button:hover { border-color: #777; color: #fff; }
.habit-presets button[aria-pressed="true"] { background: #f6f5f2; border-color: #f6f5f2; color: #0a0a0a; }
.habit-result { display: flex; align-items: center; justify-content: center; gap: clamp(10px, 2vw, 24px); margin: 34px 0 10px; }
.habit-bracket { color: var(--red); font: 300 clamp(90px, 11vw, 150px)/1 var(--display); }
.habit-result strong { display: block; font: 700 clamp(64px, 9vw, 124px)/.9 var(--display); letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.habit-result small { display: block; margin-top: 8px; color: #bbb; font: 700 12px var(--display); letter-spacing: .16em; }
.habit-sub { display: flex; justify-content: center; gap: 36px; margin-top: 16px; padding-top: 16px; border-top: 1px solid #2a2a2a; color: #999; font: 700 11px var(--display); letter-spacing: .1em; }
.habit-sub b { margin-right: 6px; color: #fff; font-size: 20px; letter-spacing: -.02em; }
.habit-note { margin: 16px 0 0; color: #777; font-size: 13px; }
.habit-cta { display: inline-flex; gap: 40px; margin-top: 40px; padding: 16px 22px; background: var(--brand); color: #0a0a0a; font: 700 15px var(--display); letter-spacing: .04em; }

/* 04 — Privacy */
.privacy { max-width: 1600px; margin: auto; padding: clamp(100px, 11vw, 150px) clamp(20px, 6vw, 92px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px, 7vw, 120px); align-items: center; border-top: 1px solid #222; }
.privacy .section-kicker { color: var(--red); }
.privacy h2 { margin: 24px 0 40px; font: 700 clamp(58px, 6.8vw, 110px)/.9 var(--display); letter-spacing: -.06em; }
.privacy h2 span { color: #6e6e6e; }
.viewfinder { position: relative; width: min(340px, 100%); aspect-ratio: 4 / 3; background: radial-gradient(circle at 50% 50%, #ffd60014, transparent 65%); }
.viewfinder i { position: absolute; width: 34px; height: 34px; border: 2px solid var(--red); }
.viewfinder i:nth-child(1) { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.viewfinder i:nth-child(2) { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.viewfinder i:nth-child(3) { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.viewfinder i:nth-child(4) { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.vf-face { position: absolute; left: 50%; top: 50%; width: 92px; height: 112px; margin: -56px 0 0 -46px; border: 2px dashed #ffffff55; border-radius: 50% 50% 46% 46%; }
.viewfinder b { position: absolute; left: 14px; bottom: 12px; color: var(--red); font: 700 12px var(--display); letter-spacing: .14em; }
@media (prefers-reduced-motion: no-preference) {
  .vf-face { animation: vf-rep 2.4s ease-in-out infinite; }
}
@keyframes vf-rep { 0%, 100% { transform: scale(.78); } 50% { transform: scale(1.12); border-color: var(--red); } }
.privacy-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.privacy-list li { display: flex; gap: 22px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.privacy-list li > b { color: var(--red); font: 700 15px/1.7 var(--display); letter-spacing: .06em; }
.privacy-list strong { display: block; font: 700 clamp(21px, 2vw, 28px)/1.15 var(--display); }
.privacy-list p { margin: 8px 0 0; max-width: 480px; color: #aaa; font-size: 16px; line-height: 1.55; }

/* Slogan band */
.signal { position: relative; overflow: hidden; padding: clamp(100px, 12vw, 175px) clamp(20px, 6vw, 92px); background: #171717; text-align: center; border-top: 1px solid #313131; border-bottom: 1px solid #313131; }
.signal > :not(.signal-ghost) { position: relative; z-index: 1; }
.signal p { margin: 0 0 26px; color: #b0b0b0; font: 700 14px var(--display); letter-spacing: .1em; }
.signal h2 { margin: 0; font: 700 clamp(80px, 13vw, 200px)/.85 var(--display); letter-spacing: -.08em; }
.signal h2 span { color: var(--red); }
.signal a { display: inline-flex; gap: 50px; margin-top: 45px; padding: 15px 22px; border: 1px solid var(--brand); font: 700 15px var(--display); }
.signal a:hover { background: var(--brand); color: black; }

/* 05 — FAQ */
.faq { max-width: 1600px; margin: auto; padding: 130px clamp(20px, 6vw, 92px); display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.faq .section-kicker { color: var(--red); }
.faq h2 { margin: 24px 0; font: 700 clamp(62px, 7vw, 115px)/.88 var(--display); letter-spacing: -.07em; }
.faq-list { border-top: 1px solid var(--line); align-self: start; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; padding: 24px 0; font: 600 20px var(--display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { color: var(--red); font-size: 25px; font-weight: 400; line-height: .7; transition: transform .2s; }
.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { color: #aaa; font-size: 16px; line-height: 1.55; max-width: 560px; margin: 0 0 25px; }

/* Footer */
.footer { position: relative; overflow: hidden; padding: 0 clamp(20px, 3vw, 48px); border-top: 1px solid var(--line); color: #aaa; font: 700 12px var(--display); letter-spacing: .07em; }
.footer-cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 56px 0; border-bottom: 1px solid var(--line); }
.footer-cta p { margin: 0; color: #fff; font: 700 clamp(30px, 4vw, 58px)/.95 var(--display); letter-spacing: -.04em; }
.footer-cta a { display: inline-flex; gap: 40px; padding: 16px 22px; background: var(--brand); color: #0a0a0a; font: 700 15px var(--display); letter-spacing: .04em; white-space: nowrap; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 34px 0 24px; }
.footer .brand-word { width: 113px; }
.footer nav { display: flex; gap: 28px; flex-wrap: wrap; }
.footer nav a { color: #ddd; letter-spacing: 0; }
.footer-base { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 28px; }
.footer-word { width: 100%; margin-bottom: -2.2%; opacity: .07; }

/* Floating CTA on phones once the hero is gone (Built For Mars: keep the next step in reach). */
.dock-cta { display: none; }
@media (max-width: 700px) {
  .dock-cta { position: fixed; z-index: 25; left: 16px; right: 16px; bottom: max(14px, env(safe-area-inset-bottom)); display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-radius: 40px; background: var(--brand); color: #0a0a0a; font: 700 15px var(--display); letter-spacing: .05em; box-shadow: 0 12px 30px #000a; transform: translateY(140%); transition: transform .3s cubic-bezier(.2,.75,.2,1); }
  .dock-cta b { font-size: 22px; font-weight: 400; line-height: .6; }
  .dock-cta.is-shown { transform: none; }
}

@media (max-width: 900px) {
  .site-header nav { gap: 22px; }
  .red-intro { grid-template-columns: 58% 42%; }
  .red-intro-art img { width: 120%; }
  .product, .privacy { gap: 40px; }
  .product-content h2 { font-size: clamp(56px, 6.5vw, 80px); }
  .hero-stats { padding: 4px 22px; gap: 16px; }
  .hero-stats b { font-size: 22px; }
}
@media (max-width: 760px) {
  .site-header nav { display: none; }
  .header-cta { margin-left: auto; }
}
@media (max-width: 700px) {
  html { scroll-padding-top: 64px; }
  .site-header { height: 64px; padding: 0 12px 0 18px; }
  .brand-word { width: 111px; }
  .header-cta { padding: 10px 12px; font-size: 12px; }
  .header-cta span { margin-left: 8px; }
  .hero { min-height: 720px; }
  /* Keep the face and the phone on the floor in frame: that pair is how berdua works. */
  .hero-photo { object-position: 48% center; }
  .hero-shade { background: linear-gradient(180deg, #0009, #000a 40%, transparent 58%, #000e 88%), linear-gradient(90deg, #0008, transparent 70%); }
  .hero-copy { top: 13%; left: 19px; width: calc(100% - 38px); }
  .hero h1 { margin-top: 12px; font-size: clamp(40px, 12.4vw, 60px); }
  .hero-tag { font-size: clamp(12px, 3.4vw, 15px); gap: 5px; white-space: normal; }
  .hero-sub { font-size: 16px; max-width: 330px; }
  .hero-floor { left: 16px; right: 16px; bottom: 22px; display: block; }
  .hero-stats { justify-content: space-between; gap: 6px; padding: 2px 16px; margin-bottom: 18px; }
  .hero-stats::before, .hero-stats::after { font-size: 44px; }
  .hero-stats li { display: grid; gap: 4px; }
  .hero-stats b { font-size: 20px; }
  .hero-stats span { font-size: 8px; }
  .hero-stats span br { display: none; }
  .hero-open { width: 100%; padding: 16px; }
  .ticker-track { padding: 13px 0; gap: 20px; }
  .red-intro { min-height: 0; display: flex; flex-direction: column; }
  .red-intro-copy { padding: 76px 20px 0; }
  .red-intro h2 { margin-top: 22px; font-size: clamp(72px, 20vw, 115px); }
  .red-intro-art { order: 2; height: 62vw; margin: 0 0 40px; }
  .red-intro-art img { width: 116%; max-width: none; left: -8%; top: 0; transform: none; filter: drop-shadow(12px 18px 14px #0004); }
  .red-intro-copy > a { margin-bottom: 34px; }
  /* Phone sits between the heading and the tabs, so tapping a tab visibly changes the screen. */
  .product { display: flex; flex-direction: column; padding: 75px 19px 90px; gap: 0; }
  .product-content { display: contents; }
  .product-content .section-kicker { order: 1; margin: 0; }
  .product-content h2 { order: 2; }
  .product-visual { order: 3; min-height: 560px; margin-bottom: 28px; }
  .feature-tabs { order: 4; }
  .outline-link { order: 5; align-self: flex-start; }
  .phone-device { width: min(292px, 82%); height: 575px; margin-top: 70px; }
  .product-content h2 { font-size: clamp(64px, 17vw, 105px); }
  .feature-tabs [role="tab"] { font-size: clamp(16px, 4.8vw, 23px); }
  .habit { padding: 90px 16px; }
  .habit h2 { font-size: clamp(46px, 13vw, 80px); margin-bottom: 36px; }
  .habit-card { padding: 28px 18px 22px; }
  .habit-bracket { font-size: 76px; }
  .habit-result strong { font-size: clamp(56px, 17vw, 84px); }
  .habit-sub { gap: 22px; }
  .habit-cta { width: 100%; justify-content: space-between; }
  .privacy { display: flex; flex-direction: column; align-items: stretch; padding: 90px 19px; gap: 10px; }
  .privacy h2 { font-size: clamp(56px, 16vw, 90px); margin-bottom: 30px; }
  .viewfinder { width: 100%; max-width: 280px; margin: 0 auto 34px; }
  .signal { padding: 105px 19px; }
  .signal h2 { font-size: clamp(68px, 17vw, 130px); }
  .signal p { font-size: 11px; }
  .signal a { font-size: 13px; gap: 16px; }
  .faq { display: block; padding: 90px 19px; }
  .faq h2 { font-size: 70px; margin-bottom: 44px; }
  .faq summary { font-size: 17px; }
  .footer { padding: 0 19px 80px; }
  .footer-cta { flex-direction: column; align-items: stretch; padding: 50px 0 40px; }
  .footer-cta a { justify-content: space-between; }
  .footer-row { flex-direction: column; align-items: start; gap: 22px; }
  .footer-base { flex-direction: column; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .screen, .dock-cta, .site-header { transition: none; }
}