:root {
  color-scheme: light dark;
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-soft: #eeece6;
  --ink: #1e1d1a;
  --muted: #6d6b65;
  --line: rgba(30, 29, 26, 0.13);
  --accent: #ff9418;
  --accent-strong: #f47c00;
  --accent-soft: #fff0d9;
  --blue: #0a7aff;
  --shadow: 0 28px 80px rgba(50, 40, 20, 0.13);
  --header-height: 70px;
  --radius-lg: 32px;
  --radius-md: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-snap-type: y proximity; }
body { margin: 0; background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 100;
  padding: 12px 16px; border-radius: 12px; background: var(--ink); color: var(--bg);
}
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed; z-index: 50; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(920px, calc(100% - 32px)); height: 56px; padding: 7px 8px 7px 10px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  border: 1px solid rgba(255, 255, 255, .62); border-radius: 18px;
  background: rgba(247, 246, 242, .78); box-shadow: 0 12px 40px rgba(35, 30, 20, .08);
  backdrop-filter: saturate(170%) blur(22px); -webkit-backdrop-filter: saturate(170%) blur(22px);
}
.brand { display: inline-flex; align-items: center; gap: 9px; width: fit-content; font-weight: 720; letter-spacing: -.02em; }
.brand img { border-radius: 8px; box-shadow: 0 2px 8px rgba(39, 28, 11, .14); }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; color: var(--muted); }
.nav-links a { min-height: 42px; display: inline-flex; align-items: center; transition: color .2s ease; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { justify-self: end; min-height: 42px; padding: 0 16px; border: 0; border-radius: 12px; background: var(--ink); color: var(--bg); font-weight: 650; cursor: pointer; }

.screen {
  position: relative; min-height: 100svh; padding: calc(var(--header-height) + 48px) max(6vw, 28px) 54px;
  scroll-snap-align: start; overflow: hidden;
}
.eyebrow { margin: 0 0 18px; color: var(--muted); font-size: 14px; font-weight: 650; letter-spacing: .04em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 8px; height: 8px; margin-right: 9px; border-radius: 50%; background: #30c45b; box-shadow: 0 0 0 5px rgba(48, 196, 91, .12); }
h1, h2 { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", sans-serif; letter-spacing: -.055em; line-height: .98; }
h1 { font-size: clamp(62px, 5.8vw, 104px); font-weight: 730; }
h2 { font-size: clamp(48px, 5.5vw, 82px); font-weight: 720; }
.button {
  min-height: 50px; padding: 0 21px; display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  border: 1px solid transparent; border-radius: 15px; font-weight: 660; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: scale(.98); }
.button-primary { background: var(--ink); color: var(--bg); box-shadow: 0 12px 28px rgba(29, 28, 25, .16); }
.button-secondary { border-color: var(--line); background: rgba(255, 255, 255, .45); }
button:focus-visible, a:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent), transparent 30%); outline-offset: 3px; }

.hero { display: grid; grid-template-columns: minmax(400px, .9fr) minmax(480px, 1.1fr); align-items: center; gap: clamp(40px, 5vw, 100px); }
.hero::before {
  content: ""; position: absolute; inset: auto auto -28% -10%; width: 48vw; height: 48vw; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 148, 24, .13), transparent 66%); pointer-events: none;
}
.hero-copy { position: relative; z-index: 2; max-width: 680px; }
.hero-lede { max-width: 610px; margin: 30px 0 0; color: var(--muted); font-size: clamp(18px, 1.45vw, 23px); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.trust-line { display: flex; flex-wrap: wrap; gap: 24px; margin: 36px 0 0; padding: 0; color: var(--muted); font-size: 13px; list-style: none; }
.trust-line li { position: relative; }
.trust-line li:not(:first-child)::before { content: "·"; position: absolute; left: -15px; }

.hero-stage { position: relative; min-height: calc(100svh - 172px); display: flex; flex-direction: column; align-items: center; justify-content: center; }
.shortcut-key { position: absolute; top: 6%; right: 2%; display: flex; gap: 5px; z-index: 3; }
.shortcut-key span { min-width: 34px; height: 30px; padding: 0 8px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--muted); font-size: 12px; box-shadow: 0 3px 10px rgba(30, 29, 26, .07); }
.shortcut-key em { align-self: center; margin-left: 3px; color: var(--muted); font-size: 11px; font-style: normal; white-space: nowrap; }
.wheel-shell { --wheel-size: min(41vw, 61svh, 550px); position: relative; width: var(--wheel-size); aspect-ratio: 1; flex: 0 0 auto; display: grid; place-items: center; }
.wheel-glow { position: absolute; inset: 12%; border-radius: 50%; background: rgba(255, 148, 24, .18); filter: blur(70px); }
.wheel {
  --radius: calc(var(--wheel-size) * .37); position: relative; width: 86%; aspect-ratio: 1; border-radius: 50%;
  background: #2d2c29; box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, .12);
  color: #fff; isolation: isolate; transition: transform .32s cubic-bezier(.2,.8,.2,1);
}
.wheel:hover { transform: scale(1.012); }
.wheel-grid, .wheel-selection { position: absolute; inset: 0; border-radius: inherit; pointer-events: none; }
.wheel-grid { background: repeating-conic-gradient(from -22.5deg, rgba(255,255,255,.18) 0 1px, transparent 1px 45deg); }
.wheel-selection {
  z-index: -1; background: conic-gradient(from calc(var(--selected) * 45deg - 22.5deg), var(--accent) 0 45deg, transparent 45deg 360deg);
  transition: background .22s ease;
}
.wheel-item {
  position: absolute; z-index: 2; left: 50%; top: 50%; width: 128px; min-height: 62px; margin: -31px 0 0 -64px;
  padding: 4px; border: 0; background: transparent; color: rgba(255,255,255,.72); cursor: pointer;
  transform: rotate(calc(var(--i) * 45deg)) translateY(calc(-1 * var(--radius))) rotate(calc(var(--i) * -45deg));
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; text-align: center;
  transition: color .18s ease, transform .22s ease;
}
.wheel-item span { font-size: clamp(12px, 1.12vw, 17px); line-height: 1.2; font-weight: 680; }
.wheel-item small { order: -1; font-size: 11px; opacity: .7; }
.wheel-item:hover, .wheel-item.is-selected { color: #fff; }
.wheel-item:focus-visible { outline: none; }
.wheel-item:focus-visible span { padding: 4px 7px; border-radius: 8px; outline: 2px solid color-mix(in srgb, var(--accent), #fff 24%); outline-offset: 2px; }
.wheel-item.is-selected { transform: rotate(calc(var(--i) * 45deg)) translateY(calc(-1 * var(--radius) - 4px)) rotate(calc(var(--i) * -45deg)); }
.wheel-center {
  position: absolute; z-index: 4; inset: 35%; border: 1px solid rgba(255,255,255,.15); border-radius: 50%;
  background: #191918; color: #fff; cursor: pointer; box-shadow: 0 0 0 7px rgba(25,25,24,.65);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
}
.wheel-center:active { transform: scale(.96); }
.wheel-center strong { font-size: clamp(24px, 2.4vw, 38px); letter-spacing: -.04em; }
.wheel-center span { font-size: 11px; color: rgba(255,255,255,.55); }
.scene-picker {
  position: absolute; z-index: 10; inset: 7%; padding: clamp(18px, 2.2vw, 28px); display: grid; grid-template-rows: auto 1fr; gap: 16px;
  border: 1px solid rgba(255,255,255,.11); border-radius: clamp(25px, 3vw, 38px); background: rgba(18,18,17,.97); color: #fff;
  box-shadow: 0 30px 90px rgba(0,0,0,.38); opacity: 0; pointer-events: none; transform: scale(.9); transform-origin: center;
  transition: opacity .2s ease, transform .3s cubic-bezier(.2,.8,.2,1); backdrop-filter: blur(24px) saturate(130%);
}
.scene-picker.is-open { opacity: 1; pointer-events: auto; transform: scale(1); }
.scene-picker-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.scene-picker-header > div { display: flex; flex-direction: column; gap: 3px; }
.scene-picker-header small { color: rgba(255,255,255,.43); font-size: 9px; }
.scene-picker-header strong { font-size: clamp(19px, 2vw, 26px); }
.scene-picker-header button { width: 36px; height: 36px; border: 0; border-radius: 50%; background: rgba(255,255,255,.08); color: #fff; cursor: pointer; font-size: 20px; }
.scene-picker-grid { min-height: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.scene-picker-grid button { min-height: 0; padding: 14px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 4px; border: 1px solid rgba(255,255,255,.05); border-radius: 20px; background: #2a2a28; color: #fff; cursor: pointer; text-align: left; transition: background-color .18s ease, transform .18s ease; }
.scene-picker-grid button:last-child:nth-child(odd) { grid-column: 1 / -1; }
.scene-picker-grid button:hover { background: #353532; transform: translateY(-2px); }
.scene-picker-grid button[aria-pressed="true"] { border-color: color-mix(in srgb, var(--blue), #fff 12%); background: linear-gradient(145deg, #0a7aff, #0870e7); }
.scene-picker-grid button span { font-size: 12px; opacity: .58; }
.scene-picker-grid button strong { font-size: clamp(15px, 1.4vw, 20px); }
.scene-picker-grid button small { color: rgba(255,255,255,.5); font-size: 9px; }
.scene-picker-grid button[aria-pressed="true"] small { color: rgba(255,255,255,.75); }
.experience-dock { position: relative; z-index: 7; width: min(520px, 96%); margin-top: 10px; }
.experience-capsule {
  width: 100%; min-height: 52px; padding: 7px 10px 7px 9px; display: grid; grid-template-columns: 38px 1fr 28px; align-items: center; gap: 9px;
  border: 1px solid rgba(255,255,255,.72); border-radius: 999px; background: rgba(255,255,255,.82); color: #23211d; cursor: pointer;
  box-shadow: 0 12px 36px rgba(38,29,16,.12); backdrop-filter: blur(20px) saturate(150%); text-align: left;
}
.experience-capsule:active { transform: scale(.985); }
.experience-capsule-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: #1c170f; font-size: 20px; font-weight: 800; }
.experience-capsule > span:nth-child(2) { min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.experience-capsule small { color: #817c73; font-size: 9px; }
.experience-capsule strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.experience-capsule i { color: #88837a; font-size: 17px; font-style: normal; text-align: center; transition: transform .22s ease; }
.experience-dock.is-open .experience-capsule i { transform: rotate(180deg); }
.experience-panel {
  overflow: hidden; max-height: 0; padding: 0 14px; margin-top: 0; border: 1px solid transparent; border-radius: 22px; background: rgba(255,255,255,.9); color: #23211d;
  box-shadow: 0 20px 55px rgba(38,29,16,.16); opacity: 0; transform: translateY(-8px); backdrop-filter: blur(22px) saturate(150%);
  transition: max-height .34s cubic-bezier(.2,.8,.2,1), padding .26s ease, margin .26s ease, opacity .18s ease, transform .26s ease, border-color .2s ease;
}
.experience-dock.is-open .experience-panel { max-height: 320px; padding: 14px; margin-top: 8px; border-color: rgba(255,255,255,.72); opacity: 1; transform: none; }
.sandbox-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 10px; }
.sandbox-header div { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.sandbox-header small { color: #79756d; font-size: 10px; }
.sandbox-header strong { overflow: hidden; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.sandbox-header > span { flex: 0 0 auto; padding: 5px 8px; border-radius: 999px; background: #ece9e2; color: #716e67; font-size: 10px; }
.sandbox-header > span[data-state="typing"] { background: var(--accent-soft); color: var(--accent-strong); }
.sandbox-header > span[data-state="done"] { background: #e4f6e8; color: #237a37; }
.experience-panel textarea {
  width: 100%; height: 116px; min-height: 92px; max-height: 190px; padding: 12px 13px; resize: vertical;
  border: 1px solid rgba(33,31,27,.11); border-radius: 13px; background: rgba(250,249,246,.9); color: #27251f;
  font: 13px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif; outline: none;
  transition: border-color .16s ease, box-shadow .16s ease, background-color .16s ease;
}
.experience-panel textarea:focus { border-color: color-mix(in srgb, var(--accent), #fff 30%); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent), transparent 82%); background: #fff; }
.experience-panel textarea.is-typing { caret-color: var(--accent); }
.sandbox-actions { min-height: 32px; margin-top: 8px; display: flex; align-items: center; gap: 6px; }
.sandbox-actions > span { margin-right: auto; color: #858078; font-size: 9px; }
.sandbox-actions button { min-width: 48px; min-height: 32px; padding: 0 9px; border: 0; border-radius: 9px; background: #eae7e0; color: #4e4a43; cursor: pointer; font-size: 11px; font-weight: 650; }
.sandbox-actions button:hover { background: #dedad1; }
.sandbox-actions button:active { transform: scale(.96); }
.interaction-hint { margin: 9px 0 0; color: var(--muted); font-size: 10px; text-align: center; }

.how { background: var(--ink); color: var(--bg); display: grid; grid-template-rows: auto 1fr; }
.how .eyebrow { color: var(--accent); }
.section-heading { max-width: 760px; }
.section-heading > p:last-child { max-width: 650px; margin: 24px 0 0; color: var(--muted); font-size: clamp(17px, 1.5vw, 22px); line-height: 1.6; }
.how .section-heading > p:last-child { color: rgba(247,246,242,.58); }
.gesture-demo { align-self: center; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(42px, 7vw, 110px); align-items: center; width: min(1180px, 100%); margin: 38px auto 0; }
.gesture-visual { min-width: 0; }
.demo-window { overflow: hidden; position: relative; aspect-ratio: 1.48; border: 1px solid rgba(255,255,255,.11); border-radius: 26px; background: #f5f3ed; box-shadow: 0 36px 90px rgba(0,0,0,.38); }
.demo-toolbar { height: 44px; padding-left: 16px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid #dedbd3; }
.demo-toolbar span { width: 10px; height: 10px; border-radius: 50%; background: #d4d0c7; }
.demo-content { position: relative; height: calc(100% - 44px); padding: 9% 8%; }
.text-line { width: 62%; height: 10px; margin-bottom: 15px; border-radius: 10px; background: #d9d6cf; }
.text-line-long { width: 78%; }
.text-caret { display: block; width: 2px; height: 23px; margin-top: 24px; background: #2c2b28; animation: caret 1s steps(1) infinite; }
.mini-wheel {
  opacity: 0; transform: scale(.76); position: absolute; left: 50%; top: 55%; width: 210px; aspect-ratio: 1; margin: -105px;
  border-radius: 50%; background: conic-gradient(from -22.5deg, var(--accent) 0 45deg, #31302d 45deg 360deg);
  box-shadow: 0 24px 60px rgba(0,0,0,.26); transition: opacity .35s ease, transform .35s cubic-bezier(.2,.8,.2,1);
}
.mini-wheel::after { content: ""; position: absolute; inset: 35%; border-radius: 50%; background: #171716; }
.mini-center, .mini-target { position: absolute; z-index: 2; color: white; font-weight: 700; }
.mini-center { inset: 0; display: grid; place-items: center; }
.mini-target { left: 50%; top: 12%; transform: translateX(-50%); font-size: 12px; white-space: nowrap; }
.demo-cursor { opacity: 0; position: absolute; left: 49%; top: 57%; width: 17px; height: 24px; background: #1d1c1a; clip-path: polygon(0 0, 0 100%, 29% 70%, 48% 100%, 62% 92%, 44% 64%, 80% 64%); transition: opacity .2s ease, transform .6s cubic-bezier(.2,.8,.2,1); }
.inserted-copy { opacity: 0; position: absolute; left: 8%; top: 37%; color: #22211e; font-weight: 600; transform: translateY(6px); transition: opacity .25s ease, transform .25s ease; }
.gesture-demo[data-active="0"] .mini-wheel, .gesture-demo[data-active="1"] .mini-wheel { opacity: 1; transform: scale(1); }
.gesture-demo[data-active="0"] .demo-cursor { opacity: 1; }
.gesture-demo[data-active="1"] .demo-cursor { opacity: 1; transform: translateY(-68px); }
.gesture-demo[data-active="2"] .inserted-copy { opacity: 1; transform: none; }
.gesture-steps { margin: 0; padding: 0; list-style: none; }
.gesture-steps button { width: 100%; min-height: 112px; padding: 20px 8px; display: grid; grid-template-columns: 45px 110px 1fr; align-items: center; gap: 10px; border: 0; border-bottom: 1px solid rgba(255,255,255,.12); background: transparent; color: rgba(247,246,242,.42); text-align: left; cursor: pointer; transition: color .2s ease; }
.gesture-steps button span { font-variant-numeric: tabular-nums; color: inherit; font-size: 13px; }
.gesture-steps button strong { font-size: 25px; }
.gesture-steps button small { font-size: 14px; line-height: 1.55; }
.gesture-steps button:hover, .gesture-steps button.is-active { color: var(--bg); }
.gesture-steps button.is-active span { color: var(--accent); }
@keyframes caret { 50% { opacity: 0; } }

.scenes { display: grid; align-items: center; background: #edeae3; }
.scenes::after { content: ""; position: absolute; width: 60vw; height: 60vw; right: -28vw; top: -35vw; border-radius: 50%; background: rgba(255,148,24,.12); }
.scenes-layout { position: relative; z-index: 2; display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: clamp(60px, 7vw, 120px); }
.scene-tabs { display: flex; width: fit-content; padding: 5px; margin-top: 34px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.55); }
.scene-tabs button { min-width: 88px; min-height: 42px; padding: 0 14px; border: 0; border-radius: 10px; background: transparent; color: var(--muted); cursor: pointer; font-weight: 650; }
.scene-tabs button[aria-selected="true"] { background: var(--ink); color: var(--bg); box-shadow: 0 6px 18px rgba(31,29,24,.14); }
.context-stage { min-width: 0; padding: 18px; border: 1px solid rgba(255,255,255,.65); border-radius: var(--radius-lg); background: rgba(255,255,255,.58); box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.context-bar { min-height: 52px; padding: 0 4px 14px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.context-app { display: flex; align-items: center; gap: 10px; }
.context-app > span { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 9px; background: var(--ink); color: var(--bg); }
.context-rule { color: var(--muted); font-size: 12px; }
.context-wheel { --context-size: min(48vw, 570px); --radius: calc(var(--context-size) * .38); position: relative; width: var(--context-size); aspect-ratio: 1; margin: 14px auto; border-radius: 50%; background: #2b2a28; color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); }
.context-ring { position: absolute; inset: 0; border-radius: 50%; background: repeating-conic-gradient(from -22.5deg, rgba(255,255,255,.15) 0 1px, transparent 1px 45deg); }
.context-label { position: absolute; left: 50%; top: 50%; width: 126px; margin: -12px 0 0 -63px; text-align: center; font-size: clamp(11px, 1vw, 15px); font-weight: 660; transform: rotate(calc(var(--i) * 45deg)) translateY(calc(-1 * var(--radius))) rotate(calc(var(--i) * -45deg)); transition: opacity .15s ease, transform .35s cubic-bezier(.2,.8,.2,1); }
.context-center { position: absolute; inset: 34%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 6px solid #3b3936; border-radius: 50%; background: var(--accent); color: #171612; }
.context-center strong { font-size: clamp(23px, 2.5vw, 38px); letter-spacing: -.05em; }
.context-center small { font-size: 11px; opacity: .68; }
.scene-priority { margin: 12px 0 2px; color: var(--muted); text-align: center; font-size: 12px; }
.scene-priority span { margin-right: 10px; color: var(--ink); font-weight: 650; }
.source-note { max-width: 620px; margin: 9px auto 0; color: var(--muted); font-size: 10px; line-height: 1.5; text-align: center; }
.source-note a { color: var(--ink); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--ink), transparent 70%); text-underline-offset: 2px; }

.privacy { display: grid; align-items: center; background: var(--surface); }
.privacy-layout { display: grid; grid-template-columns: 1.16fr .84fr; align-items: center; gap: clamp(55px, 8vw, 130px); }
.product-shot { position: relative; min-width: 0; }
.product-shot::before { content: ""; position: absolute; inset: 7% -8% -5% 12%; border-radius: 42px; background: var(--accent-soft); transform: rotate(-3deg); }
.shot-caption { position: absolute; z-index: 4; left: 24px; top: 24px; padding: 9px 12px; display: flex; align-items: center; gap: 7px; border-radius: 999px; background: rgba(20,20,18,.74); color: white; font-size: 11px; backdrop-filter: blur(10px); }
.shot-caption span { width: 7px; height: 7px; border-radius: 50%; background: #31c35b; }
.settings-mock { position: relative; z-index: 2; overflow: hidden; width: 100%; aspect-ratio: 1.16; border-radius: 30px; background: #f8f8f7; color: #282724; box-shadow: 0 28px 80px rgba(37,30,18,.2); }
.settings-titlebar { height: 45px; padding: 0 16px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid #deddd9; background: #f4f3f1; }
.settings-titlebar i { width: 10px; height: 10px; border-radius: 50%; background: #d1cec7; }
.settings-titlebar strong { margin-left: 8px; font-size: 12px; }
.settings-body { display: grid; grid-template-columns: 33% 67%; height: calc(100% - 45px); }
.settings-sidebar { padding: 36px 15px 16px; border-right: 1px solid #dddcd8; background: #efefed; }
.settings-sidebar h3 { margin: 0; font-size: clamp(24px, 2.5vw, 36px); letter-spacing: -.05em; }
.settings-sidebar p { margin: 5px 0 20px; color: #8a8882; font-size: 9px; line-height: 1.5; }
.settings-sidebar button { width: 100%; min-height: 38px; padding: 0 10px; display: flex; align-items: center; justify-content: space-between; border: 0; border-radius: 10px; background: transparent; color: #77746e; font-size: 10px; text-align: left; }
.settings-sidebar button.is-active { background: #dcdad5; color: #26241f; font-weight: 700; }
.settings-sidebar button span { font-variant-numeric: tabular-nums; }
.settings-content { min-width: 0; padding: 28px 8% 20px; display: flex; flex-direction: column; align-items: center; }
.settings-content > div:first-child { align-self: stretch; display: flex; flex-direction: column; gap: 3px; }
.settings-content > div:first-child small { color: #89867e; font-size: 9px; }
.settings-content > div:first-child strong { font-size: 20px; letter-spacing: -.03em; }
.settings-wheel { --settings-size: min(29vw, 335px); --radius: calc(var(--settings-size) * .37); position: relative; width: var(--settings-size); max-width: 100%; aspect-ratio: 1; margin-top: 10px; border: 1px solid #d8d6d0; border-radius: 50%; background: repeating-conic-gradient(from -22.5deg, #d8d6d0 0 1px, #fff 1px 45deg); }
.settings-wheel span { position: absolute; left: 50%; top: 50%; width: 76px; margin: -7px 0 0 -38px; color: #46433c; font-size: 8px; font-weight: 650; text-align: center; transform: rotate(calc(var(--i) * 45deg)) translateY(calc(-1 * var(--radius))) rotate(calc(var(--i) * -45deg)); }
.settings-wheel > strong { position: absolute; inset: 35%; display: grid; place-items: center; border: 4px solid #eeeae2; border-radius: 50%; background: var(--accent); font-size: 16px; }
.privacy-lede { max-width: 620px; margin: 26px 0 0; color: var(--muted); font-size: 19px; line-height: 1.65; }
.privacy-list { margin: 38px 0 0; padding: 0; list-style: none; }
.privacy-list li { display: grid; grid-template-columns: 46px 1fr; gap: 12px; padding: 19px 0; border-top: 1px solid var(--line); }
.privacy-list li > span { color: var(--accent-strong); font-size: 12px; font-variant-numeric: tabular-nums; }
.privacy-list div { display: flex; flex-direction: column; gap: 6px; }
.privacy-list strong { font-size: 17px; }
.privacy-list small { color: var(--muted); font-size: 13px; line-height: 1.5; }

.closing { padding-bottom: 0; display: grid; grid-template-rows: 1fr auto; align-items: center; background: #11110f; color: #f7f6f2; text-align: center; }
.closing::before { content: ""; position: absolute; left: 50%; top: 43%; transform: translate(-50%, -50%); width: min(900px, 80vw); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(255,148,24,.2), transparent 66%); }
.closing-inner { position: relative; z-index: 2; max-width: 900px; margin: auto; }
.closing-icon { margin: 0 auto 26px; border-radius: 24px; box-shadow: 0 20px 50px rgba(0,0,0,.35); }
.closing .eyebrow { color: var(--accent); }
.closing-inner > p:not(.eyebrow) { margin: 26px auto 0; color: rgba(247,246,242,.58); font-size: 19px; }
.closing-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.closing .button-primary { background: #f7f6f2; color: #171613; }
.closing .button-secondary { border-color: rgba(255,255,255,.17); background: rgba(255,255,255,.06); color: #f7f6f2; }
.release-summary { width: min(980px, 92vw); margin: 32px auto 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; text-align: left; }
.release-summary > div { min-height: 112px; padding: 16px; display: flex; flex-direction: column; gap: 6px; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; background: rgba(255,255,255,.05); }
.release-summary small { color: rgba(247,246,242,.4); font-size: 10px; }
.release-summary strong { font-size: 16px; }
.release-summary span { color: rgba(247,246,242,.53); font-size: 11px; line-height: 1.5; }
.release-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 24px; margin: 30px 0 0; padding: 0; color: rgba(247,246,242,.43); font-size: 12px; list-style: none; }
.release-meta li { position: relative; }
.release-meta li:not(:first-child)::before { content: "·"; position: absolute; left: -15px; }
footer { position: relative; z-index: 2; min-height: 78px; width: 100%; padding: 18px max(6vw,28px); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-top: 1px solid rgba(255,255,255,.09); color: rgba(247,246,242,.46); font-size: 12px; text-align: left; }
.footer-brand { color: #f7f6f2; }
footer p { margin: 0; }
footer p:last-child { justify-self: end; }

.download-dialog { width: min(520px, calc(100% - 28px)); padding: 0; border: 1px solid rgba(255,255,255,.16); border-radius: 28px; background: rgba(247,246,242,.96); color: #22211d; box-shadow: 0 38px 110px rgba(0,0,0,.35); backdrop-filter: blur(28px) saturate(150%); }
.download-dialog::backdrop { background: rgba(15,14,12,.48); backdrop-filter: blur(8px); }
.download-form { padding: 24px; display: flex; flex-direction: column; gap: 13px; }
.download-dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.download-dialog-header > div { display: flex; flex-direction: column; gap: 3px; }
.download-dialog-header small { color: var(--accent-strong); font-size: 11px; font-weight: 700; }
.download-dialog-header h2 { margin: 0; font-size: 36px; letter-spacing: -.05em; }
.download-dialog-header button { width: 40px; height: 40px; border: 0; border-radius: 50%; background: #e8e5de; color: #605c54; cursor: pointer; font-size: 22px; }
.download-form > p { margin: 0 0 4px; color: #6f6b63; font-size: 14px; line-height: 1.6; }
.download-form label { font-size: 12px; font-weight: 700; }
.download-form input { width: 100%; height: 52px; padding: 0 15px; border: 1px solid rgba(32,30,26,.16); border-radius: 14px; background: #fff; color: #23211d; font: 650 16px/1 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif; letter-spacing: .05em; outline: none; text-transform: uppercase; }
.download-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(255,148,24,.14); }
.download-status { min-height: 34px; color: #7e7970; font-size: 11px; line-height: 1.5; }
.download-status[data-state="typing"] { color: var(--accent-strong); }
.download-status[data-state="done"] { color: #24783a; }
.download-status[data-state="error"] { color: #c43b31; }
.download-form .button { width: 100%; }
.download-fineprint { color: #8c877d; font-size: 10px; line-height: 1.55; text-align: center; }

.toast { position: fixed; z-index: 90; left: 50%; bottom: 24px; width: min(480px, calc(100% - 32px)); min-height: 72px; padding: 14px 12px 14px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; background: rgba(25,24,22,.93); color: white; box-shadow: 0 20px 60px rgba(0,0,0,.22); backdrop-filter: blur(20px); transform: translate(-50%, calc(100% + 50px)); opacity: 0; transition: transform .32s cubic-bezier(.2,.8,.2,1), opacity .25s ease; }
.toast.is-visible { transform: translate(-50%, 0); opacity: 1; }
.toast div { display: flex; flex-direction: column; gap: 4px; }
.toast strong { font-size: 14px; }
.toast span { color: rgba(255,255,255,.62); font-size: 12px; line-height: 1.45; }
.toast button { flex: 0 0 auto; width: 44px; height: 44px; border: 0; border-radius: 12px; background: rgba(255,255,255,.1); color: white; cursor: pointer; font-size: 22px; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-color-scheme: dark) {
  :root { --bg: #11110f; --surface: #181816; --surface-soft: #22211e; --ink: #f5f3ed; --muted: #aaa69d; --line: rgba(255,255,255,.13); --accent-soft: #3a2814; --shadow: 0 28px 80px rgba(0,0,0,.34); }
  .site-header { background: rgba(18,18,16,.78); border-color: rgba(255,255,255,.1); }
  .nav-cta, .button-primary { background: #f5f3ed; color: #191816; }
  .button-secondary { background: rgba(255,255,255,.05); }
  .shortcut-key span { background: #24231f; }
  .experience-capsule, .experience-panel { border-color: rgba(255,255,255,.12); background: rgba(34,33,29,.92); color: #f5f3ed; }
  .experience-capsule small, .sandbox-header small, .sandbox-actions > span { color: #aaa69d; }
  .experience-capsule i { color: #aaa69d; }
  .sandbox-header small, .sandbox-actions > span { color: #aaa69d; }
  .sandbox-header > span { background: #44413a; color: #c9c5bc; }
  .experience-panel textarea { border-color: rgba(255,255,255,.1); background: #24231f; color: #f5f3ed; }
  .experience-panel textarea:focus { background: #2b2924; }
  .sandbox-actions button { background: #3b3933; color: #e8e4dc; }
  .scenes { background: #1c1b18; }
  .scene-tabs { background: rgba(255,255,255,.04); }
  .scene-tabs button[aria-selected="true"] { background: #f5f3ed; color: #1b1a17; }
  .context-stage { background: rgba(255,255,255,.045); border-color: rgba(255,255,255,.08); }
  .context-app > span { background: #f5f3ed; color: #181715; }
  .privacy { background: #171715; }
  .product-shot::before { background: #382814; }
  .settings-mock { background: #20201d; color: #f2efe8; }
  .download-dialog { background: rgba(31,30,27,.97); color: #f5f3ed; }
  .download-dialog-header button { background: #3b3934; color: #f0ece4; }
  .download-form > p, .download-status, .download-fineprint { color: #aaa69d; }
  .download-form input { border-color: rgba(255,255,255,.12); background: #24231f; color: #f5f3ed; }
}

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr 1fr; gap: 26px; }
  .hero-stage { min-height: 540px; }
  .wheel-shell { --wheel-size: min(52vw, 500px); }
  .gesture-demo { gap: 36px; }
  .gesture-steps button { grid-template-columns: 36px 90px 1fr; }
  .scenes-layout { grid-template-columns: .8fr 1.2fr; gap: 36px; }
  .context-wheel { --context-size: min(53vw, 520px); }
  .privacy-layout { gap: 44px; }
  .release-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-height: 800px) and (min-width: 761px) {
  .screen { padding-top: 96px; padding-bottom: 30px; }
  h2 { font-size: clamp(50px, 5vw, 66px); }
  .section-heading > p:last-child { margin-top: 16px; font-size: 17px; }
  .gesture-demo { margin-top: 20px; }
  .demo-window { aspect-ratio: 1.66; }
  .gesture-steps button { min-height: 94px; padding-top: 14px; padding-bottom: 14px; }
  .gesture-steps button strong { font-size: 22px; }
  .scenes-layout { grid-template-columns: .9fr 1.1fr; }
  .context-stage { padding: 13px; }
  .context-wheel { --context-size: min(37vw, 58svh, 440px); margin-top: 8px; margin-bottom: 8px; }
  .context-bar { min-height: 44px; padding-bottom: 9px; }
  .scene-priority { margin-top: 8px; }
  .privacy-layout { grid-template-columns: 1.02fr .98fr; gap: clamp(50px, 6vw, 86px); }
  .settings-mock { height: min(69svh, 500px); aspect-ratio: auto; }
  .privacy-lede { margin-top: 18px; font-size: 17px; }
  .privacy-list { margin-top: 23px; }
  .privacy-list li { padding: 12px 0; }
  .closing-icon { width: 88px; height: 88px; margin-bottom: 18px; border-radius: 20px; }
  .closing-inner > p:not(.eyebrow) { margin-top: 18px; font-size: 17px; }
  .closing-actions { margin-top: 24px; }
  .release-summary { margin-top: 22px; }
  .release-summary > div { min-height: 94px; padding: 13px; }
  .release-meta { margin-top: 22px; }
}

@media (max-width: 760px) {
  :root { --header-height: 64px; }
  html { scroll-snap-type: none; }
  .site-header { top: 10px; width: calc(100% - 20px); }
  .screen { min-height: 100svh; padding: 100px 20px 48px; }
  h1 { font-size: clamp(52px, 15vw, 74px); }
  h2 { font-size: clamp(43px, 12vw, 62px); }
  .hero { grid-template-columns: 1fr; align-content: start; gap: 20px; }
  .hero-copy { padding-top: 14px; }
  .hero-lede { margin-top: 22px; font-size: 17px; }
  .hero-actions { margin-top: 25px; }
  .trust-line { margin-top: 24px; gap: 20px; }
  .hero-stage { min-height: min(105vw, 480px); }
  .shortcut-key { display: none; }
  .wheel-shell { --wheel-size: min(96vw, 440px); }
  .wheel { --radius: calc(var(--wheel-size) * .355); }
  .wheel-item { width: 94px; margin-left: -47px; }
  .wheel-item span { font-size: 11px; }
  .hero-stage { min-height: 0; display: flex; flex-direction: column; padding-bottom: 10px; }
  .wheel-shell { flex: 0 0 auto; transform: none; }
  .experience-dock { width: min(100%, 430px); margin-top: 8px; }
  .scene-picker { inset: 5%; padding: 16px; border-radius: 26px; }
  .scene-picker-grid { gap: 8px; }
  .scene-picker-grid button { padding: 10px; border-radius: 15px; }
  .scene-picker-grid button strong { font-size: 14px; }
  .interaction-hint { position: static; margin-top: 10px; text-align: center; }
  .how { grid-template-rows: auto auto; }
  .gesture-demo { grid-template-columns: 1fr; margin-top: 34px; }
  .gesture-visual { max-width: 570px; width: 100%; margin: auto; }
  .gesture-steps { display: grid; grid-template-columns: repeat(3, 1fr); }
  .gesture-steps button { min-height: 140px; padding: 14px 8px; grid-template-columns: 1fr; grid-template-rows: auto auto 1fr; align-content: start; border-right: 1px solid rgba(255,255,255,.1); text-align: center; }
  .gesture-steps button strong { font-size: 21px; }
  .gesture-steps button small { font-size: 11px; }
  .scenes-layout, .privacy-layout { grid-template-columns: 1fr; }
  .scenes-layout { gap: 34px; }
  .context-stage { padding: 12px; }
  .context-wheel { --context-size: min(88vw, 500px); }
  .context-label { width: 96px; margin-left: -48px; font-size: 10px; }
  .scene-priority { line-height: 1.6; }
  .privacy-layout { gap: 48px; }
  .privacy-copy { order: -1; }
  .privacy-lede { font-size: 17px; }
  .settings-mock { min-height: 430px; border-radius: 22px; }
  .settings-body { grid-template-columns: 36% 64%; }
  .settings-content { padding-left: 5%; padding-right: 5%; }
  .settings-wheel { --settings-size: min(57vw, 300px); }
  .closing-icon { width: 92px; height: 92px; border-radius: 20px; }
  .release-summary { width: 100%; }
  footer { grid-template-columns: 1fr auto; }
  footer p:first-of-type { display: none; }
}

@media (max-width: 430px) {
  .nav-cta { padding: 0 13px; }
  .hero-actions .button { flex: 1; padding: 0 14px; font-size: 14px; }
  .trust-line { font-size: 11px; }
  .wheel-shell { --wheel-size: calc(100vw - 26px); }
  .wheel-item { width: 82px; margin-left: -41px; }
  .wheel-item span { font-size: 10px; }
  .wheel-item small { font-size: 9px; }
  .experience-panel textarea { height: 104px; }
  .experience-dock.is-open .experience-panel { padding: 12px; }
  .scene-tabs { width: 100%; }
  .scene-tabs button { flex: 1; min-width: 0; }
  .context-wheel { --context-size: calc(100vw - 64px); }
  .context-label { width: 78px; margin-left: -39px; font-size: 9px; }
  .release-summary { grid-template-columns: 1fr; }
  .download-form { padding: 20px; }
  .download-dialog-header h2 { font-size: 31px; }
  .release-meta { gap: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header, .experience-capsule, .experience-panel, .scene-picker, .context-stage, .download-dialog, .toast { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .site-header { background: var(--bg); }
}
