:root {
  color: #14243b;
  background: #fff;
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  line-height: 1.5;
}
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
body { margin: 0; }
a { color: inherit; }
img { display: block; }
.shell { width: min(1180px, calc(100% - 72px)); margin-inline: auto; }
.section { padding-block: 48px; }
.section h1 { line-height: 1.1; }
.section p { max-width: 78ch; overflow-wrap: anywhere; }
:focus-visible { outline: 2px solid #429cff; outline-offset: 5px; }
[hidden] { display: none !important; }

.landing {
  --background: #0a1020;
  --surface: #121c30;
  --line: #ffffff24;
  --muted: #abb9d0;
  --accent: #a3f7cd;
  color: #f5f8ff;
  background: var(--background);
}
.landing :is(h1, h2, h3, p, figure, dl) { margin: 0; }
.site-header { position: static; border-bottom: 1px solid var(--line); }
.navigation, .footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.navigation { min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 1.26rem; font-weight: 760; letter-spacing: -.045em; text-decoration: none; }
.nav-links { display: flex; gap: 27px; color: var(--muted); font-size: .9rem; font-weight: 620; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: #fff; }

.button { display: inline-flex; justify-content: center; align-items: center; gap: 10px; min-height: 52px; padding: 0 18px; border: 1px solid transparent; border-radius: 11px; text-decoration: none; white-space: nowrap; font-size: .95rem; font-weight: 740; transition: transform .2s, box-shadow .2s, background .2s; }
.button > span { font-size: 1.08em; transition: transform .2s; }
.button:hover > span { transform: translate(2px, -2px); }
.button:active { transform: translateY(1px); }
.button-primary { color: #102a49; background: #a9d5fa; }
.button-primary:hover { background: #c2e2ff; }
.button-small { min-height: 42px; padding-inline: 14px; font-size: .84rem; }

.hero { border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #0a1020, #111d33); }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; gap: clamp(20px, 3vw, 38px); padding-block: clamp(42px, 9svh, 100px) clamp(40px, 7vw, 88px); }
.hero-copy { width: min(100%, 860px); text-align: center; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; color: #d0dcf5; font-size: .79rem; font-weight: 670; }
.hero h1 { margin-block: 16px 18px; font-size: clamp(3rem, 5.35vw, 5rem); line-height: 1.12; font-weight: 790; letter-spacing: -.072em; }
.title-line { display: block; margin-block-start: .045em; }
.title-accent { color: var(--accent); }
.hero .lead { max-width: 49ch; margin-inline: auto; color: #c2cee3; font-size: clamp(1rem, 1.6vw, 1.18rem); text-wrap: pretty; }
.actions { display: flex; justify-content: center; margin-top: 25px; }
.demo-link { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; margin-top: 18px; color: #e1e9f8; font-weight: 640; font-size: .9rem; text-decoration: none; }
.demo-link span { display: grid; place-items: center; width: 25px; height: 25px; border: 1px solid #b7ccfc55; border-radius: 50%; color: #b4deff; }
.demo-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.hero .note { margin-top: 14px; color: var(--muted); font-size: .82rem; }

.product { width: min(100%, 760px); min-width: 0; padding: 11px; border: 1px solid #b7ccfc43; border-radius: 16px; color: #f5f8ff; background: #192942; box-shadow: 0 14px 38px #03071033; scroll-margin-top: 24px; overflow-anchor: none; }
.product:target { scroll-margin-top: clamp(20px, 13vh, 110px); }
.product-caption, .demo-controls { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding-inline: 4px; }
.product-caption { min-height: 32px; margin-bottom: 7px; font-size: .8rem; }
.demo-tag { color: #c4d2ea; font-size: .75rem; white-space: nowrap; }
.browser { overflow: hidden; color: #14243b; border: 1px solid #fff5; border-radius: 12px; background: #f5f8fc; }
.example-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); align-items: start; gap: 14px; padding: 14px; }
.example-item { min-width: 0; }
.listing-photo { position: relative; overflow: clip; border-radius: 8px; }
.listing-photo::after { position: absolute; inset: 0; content: ""; pointer-events: none; background: linear-gradient(90deg, transparent 34%, #6dd8ff66 49%, #e2faff 50%, transparent 53%); opacity: 0; transform: translateX(-100%); }
.product[data-scan="running"] .listing-photo::after { animation: scan-sweep 840ms ease-in-out both; }
.example-item img { width: 100%; height: auto; aspect-ratio: 1.19; object-fit: contain; border-radius: 8px; background: #e9eef6; }
.example-item p { margin-top: 10px; font-weight: 750; font-size: .94rem; line-height: 1.26; }
.listing-price { display: flex; flex-wrap: wrap; align-items: center; gap: 3px 8px; margin-top: 8px; }
.listing-price strong { font-size: 1.29rem; letter-spacing: -.035em; }
.listing-price span, .listing-condition { color: #4c607d; font-size: .72rem; }
.listing-condition { display: block; }
.scan { min-width: 0; padding: 13px; border: 1px solid #cedcf2; border-radius: 10px; background: #fff; box-shadow: 0 5px 12px #172d5b0d; }
.scan-brand { display: flex; align-items: center; gap: 7px; font-size: .81rem; font-weight: 800; }
.scan .scan-intro { margin-top: 14px; }
.scan-intro p { font-size: 1rem; font-weight: 760; letter-spacing: -.02em; }
.scan-intro span { display: block; margin-top: 3px; color: #4c607d; font-size: .77rem; }
.scan-button { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; margin-top: 12px; padding: 5px 10px; border: 1px solid #9bbce9; border-radius: 7px; background: #e8f3ff; color: #183e73; font: inherit; font-size: .78rem; font-weight: 720; cursor: pointer; transition: background .2s; }
.scan-button:hover { background: #d5e9ff; }
.scan-button[aria-disabled="true"] { cursor: progress; opacity: .7; }
.product[data-scan="done"] .scan-button { margin-top: 8px; }
.product[data-scan="done"] .scan-result { animation: arrive .24s ease-out both; }
.result { margin: 10px 0; padding: 8px 10px; border: 1px solid #bce7cd; border-radius: 8px; background: #e9f9ef; }
.result span { color: #246243; font-size: .71rem; font-weight: 660; }
.result strong { display: block; color: #116740; font-size: clamp(1.75rem, 3vw, 2.55rem); font-weight: 800; line-height: 1.07; letter-spacing: -.055em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.result[data-state="loss"] { border-color: #ebc2c9; background: #fff0f2; }
.result[data-state="loss"] :is(strong, span) { color: #9d3040; }
.resale-row, .costs div { display: flex; justify-content: space-between; align-items: baseline; gap: 5px; font-size: .73rem; }
.resale-row strong, .costs dd { white-space: nowrap; font-variant-numeric: tabular-nums; }
.scan .sale-evidence { margin-top: 4px; color: #4c607d; font-size: .69rem; }
.sale-evidence summary { cursor: pointer; }
.sale-evidence summary:hover { color: #234b83; }
.sale-evidence ul { display: flex; flex-wrap: wrap; gap: 6px 10px; margin: 4px 0 0; padding: 0; list-style: none; font-variant-numeric: tabular-nums; }
.scan .costs { margin-top: 8px; padding-top: 5px; border-top: 1px solid #e0e8f2; }
.costs div { padding-top: 3px; }
.costs dd { margin: 0; font-weight: 700; }
.demo-controls { flex-wrap: wrap; margin-top: 8px; color: #c4d2ea; font-size: .75rem; }
.example-buttons { display: flex; flex-wrap: wrap; gap: 5px; }
.example-buttons button { min-height: 34px; padding: 4px 9px; border: 1px solid var(--line); border-radius: 7px; color: #f2f6ff; background: #ffffff0a; font: inherit; font-weight: 670; cursor: pointer; transition: background .2s, color .2s; }
.example-buttons button:hover { background: #ffffff1b; }
.example-buttons button[aria-pressed="true"] { border-color: #a3f7cd58; color: #c2ffdc; background: #a3f7cd1c; }

.how { padding-block: 40px 29px; }
.landing h2 { font-size: clamp(1.55rem, 3vw, 2.12rem); line-height: 1.13; letter-spacing: -.045em; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 20px 0 0; padding: 0; list-style: none; }
.steps li { display: flex; align-items: start; gap: 11px; padding-top: 13px; border-top: 1px solid var(--line); }
.steps li > span { color: #a9d5fa; font-size: .94rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.steps h3 { font-size: .95rem; }
.steps p, .install-card p { margin-top: 4px; color: var(--muted); font-size: .88rem; }
.faq { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 28px; }
.faq details { padding: 12px 0; border-top: 1px solid var(--line); }
.faq summary { color: #e5edfa; font-size: .88rem; font-weight: 650; cursor: pointer; }
.faq p { margin-top: 7px; color: var(--muted); font-size: .85rem; }
.install-wrap { margin-bottom: 35px; }
.install-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 15px; padding: clamp(16px, 3vw, 27px); border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.install-card h2 { font-size: clamp(1.3rem, 2.8vw, 1.85rem); }
footer { border-top: 1px solid var(--line); }
.footer { padding-block: 16px; }
.footer small { color: var(--muted); font-size: .73rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

@keyframes arrive { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scan-sweep {
  0% { opacity: 0; transform: translateX(-65%); }
  14% { opacity: 1; }
  52% { transform: translateX(65%); }
  86% { opacity: 1; }
  100% { opacity: 0; transform: translateX(-65%); }
}

@media (max-width: 960px) {
  .hero h1 { font-size: clamp(3rem, 8vw, 4.75rem); }
}
@media (max-width: 600px) {
  .shell { width: calc(100% - 32px); }
  .navigation { min-height: 62px; gap: 9px; }
  .nav-links { display: none; }
  .hero-layout { padding-block: 38px 36px; }
  .product:target { scroll-margin-top: 20px; }
  .example-layout { gap: 9px; padding: 9px; }
  .scan { padding: 9px; }
  .steps, .faq { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .install-card { grid-template-columns: auto 1fr; }
  .install-card .button { grid-column: 1 / -1; justify-self: start; }
  .footer { align-items: flex-start; flex-direction: column; gap: 8px; }
}
@media (max-width: 470px) {
  .hero h1 { font-size: clamp(2.58rem, 10.5vw, 3.6rem); }
  .example-layout { grid-template-columns: minmax(0, 1fr); }
  .example-item { display: grid; grid-template-columns: 68px minmax(0, 1fr); align-items: center; column-gap: 10px; }
  .listing-photo { grid-row: span 3; }
  .example-item p { margin: 0; }
  .listing-price { margin-top: 2px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.install-card:has(.waitlist-form:not([hidden])) { grid-template-columns: auto 1fr; }
.waitlist-form { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.waitlist-form input[type="email"] { min-height: 52px; padding: 0 14px; border: 1px solid var(--line); border-radius: 11px; color: #f2f6ff; background: #ffffff0a; font: inherit; }
.waitlist-form input[type="email"]:focus-visible { outline: 2px solid #a9d5fa; outline-offset: 2px; }
.waitlist-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.waitlist-form p, .waitlist-form small { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: .8rem; }
.waitlist-form a { color: inherit; }
@media (max-width: 560px) { .waitlist-form { grid-template-columns: 1fr; } .waitlist-form .button { width: 100%; } }

/* ---- 11 Nov polish: gentle motion in the existing colours ---- */
.site-header { position: sticky; top: 0; z-index: 20; background: #0a1020c4; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: box-shadow .3s, border-color .3s; }
.site-header.scrolled { border-bottom-color: #ffffff30; box-shadow: 0 10px 28px #03071044; }
.how, .faq, .install-wrap { scroll-margin-top: 84px; }
.nav-links a { position: relative; padding-block: 6px; transition: color .2s; }
.nav-links a::after { position: absolute; inset: auto 0 0; height: 1.5px; content: ""; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.nav-links a:hover::after { transform: scaleX(1); }

.button { position: relative; overflow: hidden; isolation: isolate; cursor: pointer; transition: transform .2s ease, box-shadow .25s ease, background .2s ease, opacity .2s; }
.button > .arrow { transition: transform .22s ease; }
.button:hover > .arrow { transform: translateX(4px); }
.button-primary { background: linear-gradient(135deg, #bcdffc 0%, #a9d5fa 48%, #a3f7cd 150%); box-shadow: 0 1px 0 #ffffff70 inset, 0 6px 18px #4aa3f52e; }
.button-primary::before { position: absolute; inset: 0; z-index: -1; content: ""; background: linear-gradient(110deg, transparent 30%, #ffffff8c 50%, transparent 70%); transform: translateX(-120%); transition: transform .65s ease; }
.button-primary:hover { background: linear-gradient(135deg, #cde8ff 0%, #b4dcfb 48%, #b6fadb 150%); box-shadow: 0 1px 0 #ffffff85 inset, 0 12px 28px #4aa3f55e; transform: translateY(-2px); }
.button-primary:hover::before { transform: translateX(120%); }
.button-primary:active { transform: translateY(0) scale(.98); box-shadow: 0 1px 0 #ffffff70 inset, 0 4px 12px #4aa3f538; }
.button:disabled { cursor: default; opacity: .65; transform: none; }
.scan-button { transition: background .2s, transform .2s, box-shadow .2s; }
.scan-button:hover { transform: translateY(-1px); box-shadow: 0 6px 14px #2f6fbf26; }
.scan-button:active { transform: scale(.97); }
.example-buttons button { transition: background .2s, color .2s, transform .2s, border-color .2s; }
.example-buttons button:hover { transform: translateY(-1px); }

.hero { position: relative; overflow: clip; }
.hero::before { position: absolute; top: -360px; left: 50%; width: 760px; height: 760px; margin-left: -380px; content: ""; border-radius: 50%; background: radial-gradient(closest-side, #429cff2b, transparent); pointer-events: none; animation: drift 14s ease-in-out infinite alternate; }
.hero-layout { position: relative; }
.hero-kicker { padding: 6px 14px 6px 12px; border: 1px solid #a3f7cd33; border-radius: 999px; color: #d8f7e8; background: #a3f7cd12; }
.live-dot { position: relative; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.live-dot::after { position: absolute; inset: 0; content: ""; border-radius: 50%; background: var(--accent); animation: pulse 2.2s ease-out infinite; }
.hero-copy > * { animation: rise .75s cubic-bezier(.2, .7, .2, 1) backwards; }
.hero-copy > :nth-child(2) { animation-delay: .07s; }
.hero-copy > :nth-child(3) { animation-delay: .14s; }
.hero-copy > :nth-child(4) { animation-delay: .21s; }
.hero-copy > :nth-child(5) { animation-delay: .27s; }
.hero-copy > :nth-child(6) { animation-delay: .32s; }
.product { transition: transform .3s ease, box-shadow .3s ease; animation: rise .85s .25s cubic-bezier(.2, .7, .2, 1) backwards; }
.product:hover { transform: translateY(-3px); box-shadow: 0 24px 56px #03071066; }

.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.js [data-reveal].in { opacity: 1; transform: none; }
.js [data-reveal] .steps li { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .7, .2, 1), border-color .25s; transition-delay: calc(var(--i, 0) * 90ms + 80ms); }
.js [data-reveal].in .steps li { opacity: 1; transform: none; }
.steps li:nth-child(2) { --i: 1; }
.steps li:nth-child(3) { --i: 2; }
.steps li:hover { border-top-color: var(--accent); }
.steps li > span { transition: color .25s; }
.steps li:hover > span { color: var(--accent); }

.faq summary { position: relative; padding-right: 28px; list-style: none; transition: color .2s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { position: absolute; top: -1px; right: 2px; content: "+"; color: var(--accent); font-size: 1.15rem; font-weight: 500; line-height: 1.3; transition: transform .25s ease; }
.faq summary:hover { color: #fff; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details[open] p { animation: arrive .3s ease-out both; }

.install-card { transition: border-color .3s, box-shadow .3s; }
.install-card:hover { border-color: #a3f7cd44; box-shadow: 0 16px 44px #03071055; }
.waitlist-form input[type="email"] { transition: border-color .2s, box-shadow .2s, background .2s; }
.waitlist-form input[type="email"]:hover { border-color: #ffffff3d; }
.waitlist-form input[type="email"]:focus { border-color: #a9d5fa; background: #ffffff12; box-shadow: 0 0 0 4px #a9d5fa22; }

@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes pulse { from { opacity: .65; transform: scale(1); } to { opacity: 0; transform: scale(3.2); } }
@keyframes drift { from { transform: translateX(-70px) scale(1); } to { transform: translateX(70px) scale(1.1); } }
@media (max-width: 600px) { .hero::before { top: -300px; width: 520px; height: 520px; margin-left: -260px; } .site-header { backdrop-filter: none; background: #0a1020f2; } }
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal], .js [data-reveal] .steps li { opacity: 1; transform: none; }
}

/* ---- headline polish ---- */
.hero h1 { font-weight: 800; letter-spacing: -.058em; text-wrap: balance; background: linear-gradient(180deg, #ffffff 35%, #bccbe8 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; text-shadow: none; }
.title-accent { position: relative; display: inline-block; padding-inline: .02em; background: linear-gradient(100deg, #a3f7cd 8%, #7fe0ff 95%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
/* The gradient fill stops at the line box, which cut the tail off the y in "buy". Extra room below the text, taken back from the margin so spacing doesn't change. */
.hero h1 { padding-bottom: .15em; margin-bottom: calc(18px - .15em); }