:root {
  --ink: #07131b;
  --paper: #eaf4f2;
  --paper-deep: #d9e8e8;
  --muted: #5f737a;
  --acid: #5cebff;
  --acid-soft: #c9faff;
  --line: rgba(7, 19, 27, .16);
  --white-line: rgba(247, 250, 249, .17);
  --dark: #07131b;
  --dark-alt: #091923;
  --dark-deep: #050f16;
  --text-light: #f7faf9;
  --accent-hover: #8af2ff;
  --accent-rgb: 92, 235, 255;
  --dark-rgb: 7, 19, 27;
  --theme-muted: #4f6872;
  --theme-em: #6d858d;
  --theme-mid: #168fa6;
  --theme-soft: #69828a;
  --theme-outline: #789097;
  --form-line: #9dafb2;
  --hero-filter: none;
}

html[data-theme="amber"] {
  --ink:#11110f; --paper:#f1e9da; --paper-deep:#e7ddca; --muted:#74685a;
  --acid:#ffb84d; --acid-soft:#ffe0ac; --line:rgba(17,17,15,.16); --white-line:rgba(255,249,239,.17);
  --dark:#11110f; --dark-alt:#1b1812; --dark-deep:#0b0b09; --text-light:#fff9ef; --accent-hover:#ffca73;
  --accent-rgb:255,184,77; --dark-rgb:17,17,15; --theme-muted:#685b4e; --theme-em:#8b7967;
  --theme-mid:#b37a24; --theme-soft:#8a7458; --theme-outline:#9b8466; --form-line:#b7a78e;
  --hero-filter:hue-rotate(210deg) saturate(.78) brightness(.92);
}

html[data-theme="forest"] {
  --ink:#091510; --paper:#e8efe9; --paper-deep:#d9e6dd; --muted:#5b7164;
  --acid:#8fffc1; --acid-soft:#c9ffdf; --line:rgba(9,21,16,.16); --white-line:rgba(244,250,246,.17);
  --dark:#091510; --dark-alt:#0d2118; --dark-deep:#06100c; --text-light:#f4faf6; --accent-hover:#b2ffd2;
  --accent-rgb:143,255,193; --dark-rgb:9,21,16; --theme-muted:#526b5c; --theme-em:#6f8779;
  --theme-mid:#3d9c69; --theme-soft:#688273; --theme-outline:#759182; --form-line:#9caf9f;
  --hero-filter:hue-rotate(315deg) saturate(.72) brightness(.88);
}

html[data-theme="plum"] {
  --ink:#120d17; --paper:#f0eaf5; --paper-deep:#e3d9eb; --muted:#71647a;
  --acid:#c8a6ff; --acid-soft:#e4d4ff; --line:rgba(18,13,23,.16); --white-line:rgba(251,248,255,.17);
  --dark:#120d17; --dark-alt:#1d1426; --dark-deep:#0c0810; --text-light:#fbf8ff; --accent-hover:#d9c1ff;
  --accent-rgb:200,166,255; --dark-rgb:18,13,23; --theme-muted:#685b72; --theme-em:#84738e;
  --theme-mid:#8e67c7; --theme-soft:#7d6c88; --theme-outline:#907e9b; --form-line:#b1a2ba;
  --hero-filter:hue-rotate(80deg) saturate(.75) brightness(.9);
}

html[data-theme="coral"] {
  --ink:#241714; --paper:#f3e6d4; --paper-deep:#e9d8c2; --muted:#7b625a;
  --acid:#ff8066; --acid-soft:#ffc3b7; --line:rgba(36,23,20,.16); --white-line:rgba(255,248,240,.17);
  --dark:#241714; --dark-alt:#321f1a; --dark-deep:#180f0d; --text-light:#fff8f0; --accent-hover:#ff9d89;
  --accent-rgb:255,128,102; --dark-rgb:36,23,20; --theme-muted:#755c54; --theme-em:#91766c;
  --theme-mid:#c85e49; --theme-soft:#8d7167; --theme-outline:#9f8176; --form-line:#bea79b;
  --hero-filter:hue-rotate(180deg) saturate(.82) brightness(.93);
}

html[data-theme="silver"] {
  --ink:#0d0e0f; --paper:#c8cece; --paper-deep:#b9c0c1; --muted:#596165;
  --acid:#e8ecec; --acid-soft:#f5f7f7; --line:rgba(13,14,15,.18); --white-line:rgba(245,247,247,.18);
  --dark:#0d0e0f; --dark-alt:#17191a; --dark-deep:#08090a; --text-light:#f5f7f7; --accent-hover:#ffffff;
  --accent-rgb:232,236,236; --dark-rgb:13,14,15; --theme-muted:#5f676b; --theme-em:#747d81;
  --theme-mid:#697377; --theme-soft:#737d81; --theme-outline:#8c9696; --form-line:#8e999b;
  --hero-filter:grayscale(1) contrast(1.05) brightness(.9);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; transition: background .45s ease, color .45s ease; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.noise { position: fixed; inset: 0; z-index: 99; pointer-events: none; opacity: .025; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E"); }

/* Live theme comparison panel */
.theme-picker { position: fixed; right: 22px; bottom: 22px; z-index: 120; color: var(--text-light); }
.theme-toggle { width: 236px; min-height: 62px; padding: 10px 14px; border: 1px solid var(--white-line); border-radius: 16px; background: rgb(var(--dark-rgb) / .9); box-shadow: 0 16px 44px rgb(0 0 0 / .25); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); color: var(--text-light); display: flex; align-items: center; gap: 11px; cursor: pointer; text-align: left; transition: border-color .18s ease, transform .18s ease, background-color .3s ease; }
.theme-toggle:hover { border-color: var(--acid); transform: translateY(-2px); }
.theme-toggle-icon { width: 34px; height: 34px; flex: 0 0 auto; border: 1px solid var(--white-line); border-radius: 50%; position: relative; }
.theme-toggle-icon i { position: absolute; width: 11px; height: 11px; border-radius: 50%; }
.theme-toggle-icon i:nth-child(1) { top: 5px; left: 5px; background: var(--acid); }
.theme-toggle-icon i:nth-child(2) { top: 5px; right: 5px; background: var(--paper); }
.theme-toggle-icon i:nth-child(3) { bottom: 5px; left: 11px; background: var(--theme-mid); }
.theme-toggle-copy { min-width: 0; display: grid; gap: 2px; }
.theme-toggle-copy small { color: rgba(255,255,255,.58); font-size: 9px; font-weight: 700; letter-spacing: .16em; line-height: 1; text-transform: uppercase; }
.theme-toggle-copy strong { overflow: hidden; color: var(--text-light); font-size: 13px; line-height: 1.2; text-overflow: ellipsis; white-space: nowrap; }
.theme-toggle-arrow { margin-left: auto; color: var(--acid); font-size: 13px; transition: transform .2s ease; }
.theme-panel { position: absolute; right: 0; bottom: 74px; width: min(560px, calc(100vw - 32px)); max-height: min(700px, calc(100vh - 112px)); padding: 22px; overflow-y: auto; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); box-shadow: 0 28px 80px rgb(0 0 0 / .3); color: var(--ink); opacity: 0; pointer-events: none; transform: translateY(12px) scale(.98); transform-origin: bottom right; visibility: hidden; transition: opacity .18s ease, transform .18s ease, visibility .18s ease, background-color .3s ease, color .3s ease; }
.theme-picker.open .theme-panel { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); visibility: visible; }
.theme-picker.open .theme-toggle-arrow { transform: rotate(180deg); }
.theme-panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 7px; }
.theme-panel-kicker { display: block; margin-bottom: 5px; color: var(--theme-muted); font-size: 9px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.theme-panel h2 { margin: 0; font-family: Georgia, 'Times New Roman', serif; font-size: 30px; font-weight: 500; letter-spacing: -.04em; line-height: 1; }
.theme-close { width: 34px; height: 34px; flex: 0 0 auto; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink); cursor: pointer; font-size: 20px; line-height: 1; }
.theme-panel-copy { margin: 0 0 16px; color: var(--theme-muted); font-size: 12px; line-height: 1.55; }
.theme-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.theme-option { width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: transparent; color: var(--ink); display: grid; grid-template-columns: 52px minmax(0, 1fr) 24px; align-items: center; gap: 11px; cursor: pointer; text-align: left; transition: background-color .15s ease, border-color .15s ease, transform .15s ease; }
.theme-option:hover { border-color: var(--theme-outline); background: var(--paper-deep); transform: translateX(2px); }
.theme-option[aria-pressed="true"] { border-color: var(--acid); box-shadow: inset 3px 0 0 var(--acid); }
.theme-swatch { width: 52px; height: 40px; overflow: hidden; border: 1px solid rgb(0 0 0 / .08); border-radius: 8px; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.theme-swatch i:nth-child(1) { background: var(--s1); }
.theme-swatch i:nth-child(2) { background: var(--s2); }
.theme-swatch i:nth-child(3) { background: var(--s3); }
.theme-swatch i:nth-child(4) { background: var(--s4); }
.theme-option-copy { min-width: 0; display: grid; gap: 2px; }
.theme-option-copy strong { font-size: 12px; line-height: 1.25; }
.theme-option-copy small { overflow: hidden; color: var(--theme-muted); font-size: 10px; line-height: 1.3; text-overflow: ellipsis; white-space: nowrap; }
.theme-check { width: 21px; height: 21px; border-radius: 50%; background: var(--acid); color: var(--ink); display: grid; place-items: center; font-size: 11px; font-weight: 900; opacity: 0; transform: scale(.75); transition: opacity .15s ease, transform .15s ease; }
.theme-option[aria-pressed="true"] .theme-check { opacity: 1; transform: scale(1); }
.theme-panel-note { margin: 14px 0 0; color: var(--theme-muted); font-size: 10px; line-height: 1.4; text-align: center; }
.site-header { height: 82px; padding: 0 4vw; position: absolute; z-index: 20; top: 0; left: 0; right: 0; display: flex; align-items: center; justify-content: space-between; color: var(--text-light); border-bottom: 1px solid var(--white-line); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 21px; font-weight: 800; letter-spacing: .16em; }
.brand-mark { width: 26px; height: 26px; overflow: visible; }
.brand-mark path { fill: none; stroke: currentColor; stroke-width: 1.6; }
.brand-mark circle { fill: var(--acid); stroke: none; }
nav { display: flex; gap: 38px; font-size: 13px; color: rgba(255,255,255,.72); }
nav a { transition: color .2s; }
nav a:hover { color: var(--text-light); }
.header-cta { padding: 11px 0; font-size: 13px; border-bottom: 1px solid var(--acid); }
.header-cta span { color: var(--acid); margin-left: 8px; }
.menu-button { display: none; background: none; border: 0; width: 36px; height: 36px; padding: 8px; }
.menu-button span { height: 1px; background: var(--text-light); display: block; margin: 7px 0; }

.hero { min-height: 760px; height: 100svh; position: relative; overflow: hidden; color: var(--text-light); background: radial-gradient(circle at 78% 48%, rgba(var(--accent-rgb), .16), transparent 31%), linear-gradient(112deg, var(--dark-deep) 0%, var(--dark) 56%, var(--dark-alt) 100%); transition: background .45s ease; }
.hero-image { position: absolute; inset: 74px 2vw 0 44vw; background-image: url('assets/auxi-touch-transparent-cutout-v12.png'); background-repeat: no-repeat; background-size: contain; background-position: right center; filter: var(--hero-filter); animation: heroIn 1.5s cubic-bezier(.2,.7,.2,1) forwards; transition: filter .55s ease; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(var(--dark-rgb), .98) 0%, rgba(var(--dark-rgb), .9) 30%, rgba(var(--dark-rgb), .38) 52%, transparent 74%), linear-gradient(0deg, rgba(var(--dark-rgb), .48), transparent 42%); transition: background .45s ease; }
.hero-content { position: absolute; z-index: 2; left: 8vw; top: 50%; width: min(610px, 48vw); transform: translateY(-43%); }
.eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 12px; text-transform: uppercase; letter-spacing: .2em; font-size: 11px; font-weight: 700; }
.eyebrow > span { width: 26px; height: 1px; background: var(--acid); }
h1, h2 { margin: 0; font-family: Georgia, 'Times New Roman', serif; font-weight: 400; letter-spacing: -.045em; line-height: .92; }
h1 { font-size: clamp(63px, 7.8vw, 125px); }
h1 em, h2 em { color: var(--acid); font-weight: 400; }
.hero-copy { width: min(510px, 100%); color: rgba(255,255,255,.7); font-size: 17px; line-height: 1.65; margin: 32px 0 34px; }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.button { border: 0; display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; padding: 17px 20px; cursor: pointer; transition: transform .2s, background .2s; font-size: 13px; font-weight: 700; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--acid); min-width: 196px; }
.button-primary:hover { background: var(--accent-hover); }
.text-button { background: none; border: 0; color: var(--text-light); cursor: pointer; padding: 12px 0; font-size: 13px; }
.play-icon { display: inline-grid; place-items: center; margin-right: 9px; width: 28px; height: 28px; border: 1px solid rgba(255,255,255,.4); border-radius: 50%; font-size: 8px; padding-left: 2px; }
.hero-meta { position: absolute; z-index: 2; right: 4vw; top: 110px; display: flex; gap: 12px; align-items: center; color: rgba(255,255,255,.55); font-size: 10px; text-transform: uppercase; letter-spacing: .16em; }
.hero-meta-line { width: 28px; height: 1px; background: rgba(255,255,255,.3); }
.scroll-cue { position: absolute; z-index: 2; left: 4vw; bottom: 29px; text-transform: uppercase; font-size: 9px; letter-spacing: .16em; color: rgba(255,255,255,.45); }
.scroll-cue span { color: var(--acid); margin-left: 12px; }

.section { padding: 120px 8vw; }
.section-kicker { display: flex; align-items: center; gap: 15px; margin-bottom: 74px; color: var(--theme-muted); text-transform: uppercase; font-weight: 700; font-size: 10px; letter-spacing: .19em; }
.section-kicker span { color: var(--ink); border: 1px solid var(--line); border-radius: 50%; width: 29px; height: 29px; display: grid; place-items: center; font-size: 9px; }
.intro-grid { display: grid; grid-template-columns: 1.45fr .65fr; gap: 8vw; align-items: end; }
h2 { font-size: clamp(51px, 6.1vw, 92px); }
.intro h2 em, .details h2 em, .faq h2 em { color: var(--theme-em); }
.intro-copy { max-width: 440px; }
.intro-copy p { font-size: 20px; line-height: 1.55; margin: 0; }
.intro-copy .small-copy { margin-top: 24px; font-size: 13px; color: var(--muted); line-height: 1.7; }
.feature-strip { margin-top: 110px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-card { min-height: 350px; padding: 25px 31px 33px; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.feature-card:first-child { border-left: 1px solid var(--line); }
.card-number { font: italic 12px Georgia, serif; color: var(--theme-em); }
.feature-icon { height: 100px; margin: 40px 0 22px; display: flex; align-items: center; justify-content: center; }
.sound-icon { gap: 7px; }
.sound-icon i { display: block; width: 3px; height: 30px; background: var(--ink); border-radius: 4px; }
.sound-icon i:nth-child(2), .sound-icon i:nth-child(4) { height: 55px; background: var(--theme-soft); }
.sound-icon i:nth-child(3) { height: 83px; background: var(--acid); }
.orbit-icon { position: relative; }
.orbit-icon:before, .orbit-icon:after { content: ''; position: absolute; border: 1px solid var(--theme-outline); border-radius: 50%; width: 74px; height: 38px; transform: rotate(28deg); }
.orbit-icon:after { transform: rotate(-28deg); }
.orbit-icon i:first-child { width: 16px; height: 16px; border-radius: 50%; background: var(--acid); z-index: 1; }
.orbit-icon i:last-child { width: 6px; height: 6px; border-radius: 50%; background: var(--ink); position: absolute; margin: -48px 0 0 47px; }
.privacy-icon i { display: block; position: relative; width: 58px; height: 48px; border: 1.5px solid var(--ink); border-radius: 8px 8px 20px 20px; margin-top: 24px; }
.privacy-icon i:before { content: ''; position: absolute; width: 34px; height: 34px; border: 1.5px solid var(--ink); border-bottom: 0; border-radius: 50% 50% 0 0; left: 10px; top: -27px; }
.privacy-icon i:after { content: ''; width: 8px; height: 8px; background: var(--acid); border-radius: 50%; position: absolute; left: 24px; top: 18px; }
.feature-card h3 { margin: auto 0 11px; font: 400 23px Georgia, serif; }
.feature-card p { margin: 0; max-width: 270px; color: var(--muted); font-size: 12px; line-height: 1.65; }

.day-section { min-height: 850px; padding: 130px 8vw; color: var(--text-light); background: var(--dark); display: grid; grid-template-columns: 1.1fr .75fr; gap: 10vw; align-items: center; position: relative; overflow: hidden; transition: background .45s ease; }
.day-orb { position: absolute; width: 630px; height: 630px; left: -210px; bottom: -200px; border-radius: 50%; background: radial-gradient(circle at 60% 40%, rgb(var(--accent-rgb) / .30), rgb(var(--accent-rgb) / .08) 35%, transparent 68%); filter: blur(3px); }
.day-orb:after, .day-orb:before { content: ''; position: absolute; border-radius: 50%; border: 1px solid rgb(var(--accent-rgb) / .14); inset: 18%; }
.day-orb:after { inset: 31%; }
.section-kicker.light { color: rgba(255,255,255,.5); }
.section-kicker.light span { color: var(--text-light); border-color: var(--white-line); }
.day-content { z-index: 1; }
.day-content h2 { max-width: 700px; }
.prompt-demo { margin-top: 68px; padding-left: 18px; border-left: 1px solid var(--acid); }
.prompt-label { display: block; color: rgba(255,255,255,.4); font-size: 9px; letter-spacing: .18em; margin-bottom: 9px; }
.prompt-demo p { margin: 0; font: italic 20px Georgia, serif; transition: opacity .3s; }
.day-list { position: relative; z-index: 1; border-top: 1px solid var(--white-line); }
.day-list article { padding: 34px 0; border-bottom: 1px solid var(--white-line); display: grid; grid-template-columns: 75px 1fr; gap: 18px; }
.day-list article > span { font-size: 10px; color: var(--acid); letter-spacing: .12em; }
.day-list h3 { font: 400 24px Georgia, serif; margin: 0 0 9px; }
.day-list p { color: rgba(255,255,255,.5); margin: 0; font-size: 12px; line-height: 1.6; }

.details-heading { display: grid; grid-template-columns: 1.4fr .5fr; align-items: end; gap: 8vw; }
.details-heading p { margin: 0 0 5px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.anatomy-stage { position: relative; margin-top: 86px; min-height: 690px; display: grid; grid-template-columns: minmax(210px, 1fr) minmax(360px, 520px) minmax(210px, 1fr); grid-template-rows: 1fr 1fr; column-gap: clamp(35px, 5vw, 90px); align-items: center; }
.anatomy-product { position: relative; grid-column: 2; grid-row: 1 / 3; align-self: stretch; display: grid; place-items: center; isolation: isolate; }
.anatomy-product img { position: relative; z-index: 1; display: block; width: min(100%, 520px); height: auto; filter: drop-shadow(0 34px 42px rgba(7,19,27,.2)); }
.anatomy-halo { position: absolute; z-index: 0; width: 92%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(var(--accent-rgb), .2) 0%, rgba(var(--accent-rgb), .07) 40%, transparent 70%); }
.anatomy-callout { position: relative; max-width: 270px; padding: 20px 0 28px; border-top: 1px solid var(--line); }
.anatomy-callout:nth-of-type(1), .anatomy-callout:nth-of-type(3) { justify-self: end; }
.anatomy-callout:nth-of-type(2), .anatomy-callout:nth-of-type(4) { justify-self: start; }
.anatomy-callout::after { content: ''; position: absolute; top: -1px; width: clamp(35px, 4vw, 70px); height: 1px; background: var(--acid); }
.anatomy-callout:nth-of-type(1)::after, .anatomy-callout:nth-of-type(3)::after { right: 0; }
.anatomy-callout:nth-of-type(2)::after, .anatomy-callout:nth-of-type(4)::after { left: 0; }
.anatomy-number { display: block; margin-bottom: 44px; color: var(--theme-em); font: italic 12px Georgia, serif; }
.anatomy-callout h3 { margin: 0 0 10px; font: 400 25px Georgia, serif; letter-spacing: -.02em; }
.anatomy-callout p { max-width: 235px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.spec-grid { margin-top: 100px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.spec { padding: 30px 28px 10px 0; border-right: 1px solid var(--line); min-height: 220px; }
.spec:not(:first-child) { padding-left: 28px; }
.spec-value { display: block; font: 400 43px Georgia, serif; letter-spacing: -.04em; margin-bottom: 63px; }
.spec:nth-child(2) .spec-value { color: var(--theme-mid); }
.spec h3 { margin: 0 0 9px; font-size: 13px; }
.spec p { color: var(--muted); margin: 0; font-size: 11px; line-height: 1.55; max-width: 185px; }

.preorder { background: var(--dark-alt); color: var(--text-light); position: relative; min-height: 780px; display: grid; grid-template-columns: 1fr 480px; gap: 10vw; align-items: center; overflow: hidden; transition: background .45s ease; }
.preorder-glow { position: absolute; width: 580px; height: 580px; border-radius: 50%; background: radial-gradient(circle, rgb(var(--accent-rgb) / .18), transparent 65%); left: 12%; top: 22%; }
.preorder-copy { position: relative; }
.preorder-copy h2 { font-size: clamp(53px, 5.9vw, 90px); }
.preorder-copy > p:not(.eyebrow) { color: rgba(255,255,255,.58); font-size: 15px; line-height: 1.7; max-width: 510px; margin: 31px 0; }
.launch-note { font-size: 11px; color: rgba(255,255,255,.48); border-top: 1px solid var(--white-line); padding-top: 20px; max-width: 510px; }
.launch-note strong { color: var(--acid); font-weight: 600; }
.preorder-form, .success-card { position: relative; background: var(--paper); color: var(--ink); padding: 36px; box-shadow: 0 30px 100px rgba(0,0,0,.25); }
.form-head { display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); margin-bottom: 32px; padding-bottom: 19px; font-size: 10px; text-transform: uppercase; font-weight: 700; letter-spacing: .13em; }
.form-head span:last-child { color: var(--theme-muted); }
.preorder-form label:not(.check-label) { display: block; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .11em; margin: 20px 0 8px; }
.preorder-form input[type="text"], .preorder-form input[type="email"], .preorder-form select { border: 0; border-bottom: 1px solid var(--form-line); background: transparent; border-radius: 0; width: 100%; padding: 10px 0 12px; outline: none; font-size: 15px; color: var(--ink); }
.preorder-form input:focus, .preorder-form select:focus { border-color: var(--ink); }
.preorder-form input.invalid, .preorder-form select.invalid { border-color: #ad3e37; }
.field-error { display: block; min-height: 13px; color: #ad3e37; font-size: 9px; padding-top: 4px; }
.select-wrap { position: relative; }
.select-wrap:after { content: '⌄'; position: absolute; right: 2px; top: 8px; pointer-events: none; }
.preorder-form select { appearance: none; }
.check-label { display: flex; align-items: center; gap: 9px; margin: 19px 0 24px; cursor: pointer; font-size: 10px; color: var(--muted); }
.check-label input { position: absolute; opacity: 0; }
.custom-check { width: 17px; height: 17px; border: 1px solid var(--theme-outline); display: grid; place-items: center; color: transparent; }
.check-label input:checked + .custom-check { background: var(--ink); border-color: var(--ink); color: var(--acid); }
.form-submit { width: 100%; }
.form-submit:disabled { cursor: wait; opacity: .7; transform: none; }
.form-legal { color: var(--theme-em); text-align: center; font-size: 9px; margin: 14px 0 0; }
.success-card { display: none; text-align: center; min-height: 505px; align-content: center; }
.success-card.visible { display: grid; }
.success-icon { width: 54px; height: 54px; background: var(--acid); border-radius: 50%; display: grid; place-items: center; margin: 0 auto 24px; font-size: 24px; }
.success-card .eyebrow { justify-content: center; margin-bottom: 17px; color: var(--theme-muted); }
.success-card h3 { font: 400 48px/.94 Georgia, serif; margin: 0 0 22px; letter-spacing: -.03em; }
.success-card > p:not(.eyebrow) { color: var(--muted); font-size: 12px; line-height: 1.6; }
.success-card button { border: 0; border-bottom: 1px solid var(--ink); background: none; width: max-content; margin: 20px auto 0; padding: 5px 0; cursor: pointer; font-size: 11px; }

.faq-layout { display: grid; grid-template-columns: .7fr 1fr; gap: 11vw; }
.accordion { border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { list-style: none; cursor: pointer; padding: 26px 0; display: flex; align-items: center; justify-content: space-between; font-size: 14px; font-weight: 700; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { font-size: 22px; font-weight: 400; transition: transform .25s; }
.accordion details[open] summary span { transform: rotate(45deg); }
.accordion details p { color: var(--muted); line-height: 1.7; font-size: 13px; max-width: 600px; margin: -5px 0 26px; }

footer { background: var(--dark-deep); color: var(--text-light); padding: 75px 8vw 28px; transition: background .45s ease; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: start; padding-bottom: 85px; }
.footer-top > p { font: italic 30px/1.1 Georgia, serif; margin: 0; color: rgba(255,255,255,.6); }
.footer-links { justify-self: end; display: grid; grid-template-columns: 1fr 1fr; gap: 15px 50px; font-size: 11px; color: rgba(255,255,255,.6); }
.footer-bottom { border-top: 1px solid var(--white-line); padding-top: 22px; display: flex; justify-content: space-between; color: rgba(255,255,255,.35); font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: none; }
@keyframes heroIn { from { opacity: 0; transform: translateX(4%) scale(.96); } to { opacity: 1; transform: translateX(0) scale(1); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-image { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 900px) {
  .site-header { height: 70px; }
  nav, .header-cta { display: none; }
  nav.open { display: flex; position: fixed; inset: 70px 0 0; background: var(--dark-deep); flex-direction: column; padding: 50px 8vw; font: 400 38px Georgia, serif; gap: 28px; color: var(--text-light); }
  .menu-button { display: block; }
  .hero { min-height: 720px; height: 100svh; }
  .hero-image { inset: 70px -8vw 0 31vw; background-position: right center; opacity: .82; }
  .hero-shade { background: linear-gradient(90deg, rgb(var(--dark-rgb) / .97), rgb(var(--dark-rgb) / .46)), linear-gradient(0deg, rgb(var(--dark-rgb) / .82), transparent 50%); }
  .hero-content { left: 7vw; width: 73vw; top: 52%; }
  .hero-meta { display: none; }
  .section { padding: 90px 7vw; }
  .intro-grid, .details-heading, .faq-layout { grid-template-columns: 1fr; gap: 45px; }
  .intro-copy { margin-left: auto; }
  .feature-strip { grid-template-columns: 1fr; }
  .feature-card { min-height: 280px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .day-section { padding: 100px 7vw; grid-template-columns: 1fr; gap: 80px; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .anatomy-stage { min-height: 590px; grid-template-columns: minmax(170px, 1fr) minmax(280px, 390px) minmax(170px, 1fr); column-gap: 28px; }
  .anatomy-number { margin-bottom: 28px; }
  .anatomy-callout h3 { font-size: 21px; }
  .preorder { padding: 100px 7vw; grid-template-columns: 1fr; gap: 70px; }
  .preorder-form, .success-card { width: min(100%, 520px); justify-self: center; }
}

@media (max-width: 560px) {
  .theme-picker { right: 12px; bottom: 12px; left: 12px; }
  .theme-toggle { width: 220px; margin-left: auto; min-height: 56px; }
  .theme-panel { right: 0; bottom: 68px; width: 100%; max-height: calc(100svh - 96px); padding: 18px; border-radius: 17px; }
  .theme-options { grid-template-columns: 1fr; }
  .theme-panel h2 { font-size: 27px; }
  .theme-option { grid-template-columns: 48px minmax(0, 1fr) 22px; padding: 9px; }
  .theme-swatch { width: 48px; height: 37px; }
  .hero-content { width: 86vw; left: 7vw; }
  h1 { font-size: clamp(57px, 18vw, 80px); }
  .hero-copy { font-size: 14px; max-width: 350px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 10px; }
  .hero-image { inset: 70px -48vw 0 16vw; background-position: center; opacity: .66; }
  .scroll-cue { display: none; }
  .section-kicker { margin-bottom: 45px; }
  .feature-strip { margin-top: 70px; }
  .day-section { min-height: auto; }
  .day-list article { grid-template-columns: 55px 1fr; }
  .spec-grid { grid-template-columns: 1fr; margin-top: 65px; }
  .spec, .spec:not(:first-child) { padding: 26px 0; border-right: 0; border-bottom: 1px solid var(--line); min-height: 0; }
  .spec-value { margin-bottom: 32px; }
  .anatomy-stage { margin-top: 65px; min-height: 0; display: flex; flex-direction: column; gap: 0; }
  .anatomy-product { width: min(100%, 470px); min-height: 430px; order: -1; margin: -35px 0 -10px; }
  .anatomy-callout, .anatomy-callout:nth-of-type(n) { width: 100%; max-width: none; padding: 22px 0 24px; justify-self: stretch; }
  .anatomy-callout:nth-of-type(n)::after { left: 0; right: auto; width: 52px; }
  .anatomy-number { margin-bottom: 22px; }
  .preorder-form, .success-card { padding: 28px 23px; }
  .footer-top { grid-template-columns: 1fr; gap: 42px; }
  .footer-links { justify-self: start; }
  .footer-bottom { gap: 20px; align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}