:root {
  --paper: #f7f6f1;
  --white: #fff;
  --ink: #17231e;
  --muted: #637069;
  --sage: #5f7a66;
  --sage-dark: #365442;
  --sage-pale: #dde8df;
  --orange: #f28c52;
  --orange-dark: #c65e28;
  --line: #d9ddd7;
  --night: #17241e;
  --radius: 1.25rem;
  --shadow: 0 24px 70px rgba(23, 35, 30, .11);
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
button, input, select { font: inherit; }

.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 100; padding: .75rem 1rem; background: var(--ink); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.shell { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }

.site-header { position: sticky; top: 0; z-index: 50; min-height: 76px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; padding: 0 max(1rem, calc((100vw - 1180px) / 2)); background: rgba(247, 246, 241, .9); border-bottom: 1px solid rgba(95, 122, 102, .16); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: .65rem; width: max-content; font-size: 1.06rem; font-weight: 800; letter-spacing: -.03em; }
.brand > span:last-child > span { color: var(--sage); }
.brand-mark { position: relative; display: grid; place-items: center; width: 35px; height: 35px; border: 2px solid var(--ink); border-radius: 50%; }
.brand-mark::before { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--orange); top: 5px; right: 5px; }
.brand-mark span { width: 13px; height: 5px; border: 2px solid var(--ink); border-top: 0; border-radius: 0 0 10px 10px; }
.desktop-nav { display: flex; gap: 1.9rem; font-size: .92rem; font-weight: 650; }
.desktop-nav a, .text-link { position: relative; }
.desktop-nav a::after, .text-link::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.25rem; height: 2px; background: var(--orange); transition: right .2s ease; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after, .text-link:hover::after, .text-link:focus-visible::after { right: 0; }
.header-cta { justify-self: end; padding: .65rem 1rem; border: 1px solid var(--ink); border-radius: 999px; font-size: .88rem; font-weight: 750; }
.header-cta:hover { background: var(--ink); color: white; }
.mobile-menu { display: none; justify-self: end; }

.hero { min-height: 720px; display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(2rem, 6vw, 5.5rem); align-items: center; padding-block: clamp(4rem, 8vw, 7.5rem); }
.eyebrow { margin: 0 0 1rem; color: var(--sage-dark); font-size: .77rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow > span { display: inline-block; width: 20px; height: 2px; margin: 0 .5rem .2rem 0; background: var(--orange); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 1.35rem; font-size: clamp(3.2rem, 6.8vw, 6.2rem); line-height: .94; letter-spacing: -.072em; }
h1 em { color: var(--sage); font-family: Georgia, "Times New Roman", serif; font-weight: 500; }
.hero-intro { max-width: 640px; margin-bottom: 2rem; color: var(--muted); font-size: clamp(1.06rem, 1.8vw, 1.26rem); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1rem; padding: .95rem 1.2rem; border-radius: 999px; font-weight: 800; }
.button-primary { background: var(--orange); color: #2d1b10; box-shadow: 0 12px 28px rgba(198, 94, 40, .2); }
.button-primary:hover { background: #f6a170; transform: translateY(-1px); }
.text-link { font-weight: 750; }
.trust-list { display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; margin: 2.2rem 0 0; padding: 0; color: var(--muted); font-size: .82rem; list-style: none; }
.trust-list li::before { content: "✓"; margin-right: .38rem; color: var(--sage); font-weight: 900; }

.hero-visual { overflow: hidden; border: 1px solid rgba(23, 35, 30, .15); border-radius: calc(var(--radius) + .4rem); background: var(--white); box-shadow: var(--shadow); transform: rotate(1.2deg); }
.visual-topline, .visual-footer { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 1.2rem; font-size: .74rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.live-dot::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: .45rem; border-radius: 50%; background: #63a471; box-shadow: 0 0 0 5px rgba(99, 164, 113, .14); }
.floor-scene { position: relative; min-height: 490px; overflow: hidden; background: repeating-linear-gradient(92deg, #cfa777 0, #cfa777 62px, #c29565 63px, #c29565 65px, #d8b486 66px, #d8b486 130px); }
.floor-scene::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,.35), transparent 38%, rgba(67, 41, 22, .16)); }
.rug { position: absolute; z-index: 1; right: -45px; top: 55px; width: 59%; height: 68%; background: #ede8dc; border-radius: 46% 0 0 46%; box-shadow: inset 0 0 0 9px rgba(255,255,255,.5); }
.rug span { position: absolute; left: 20%; width: 70%; height: 2px; background: rgba(95, 122, 102, .22); transform: rotate(-17deg); }
.rug span:nth-child(1) { top: 30%; }.rug span:nth-child(2) { top: 50%; }.rug span:nth-child(3) { top: 70%; }
.plant { position: absolute; z-index: 3; left: 42px; top: 45px; width: 72px; height: 96px; border-radius: 4px 4px 34px 34px; background: #8d684a; box-shadow: 0 12px 24px rgba(30, 24, 18, .2); }
.plant i { position: absolute; bottom: 74px; left: 26px; width: 30px; height: 76px; border-radius: 100% 0 100% 0; background: var(--sage-dark); transform-origin: bottom; }
.plant i:nth-child(1) { transform: rotate(-42deg); }.plant i:nth-child(2) { transform: rotate(10deg) scale(.85); }.plant i:nth-child(3) { transform: rotate(55deg) scale(.8); }
.robot { position: absolute; z-index: 5; left: 32%; top: 48%; width: 174px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 42% 32%, #6b756f 0 4%, #26332d 5% 9%, #121a16 10% 60%, #050806 61% 69%, #26332d 70% 73%, #0a0f0c 74%); box-shadow: 0 26px 35px rgba(20, 28, 24, .42); }
.robot::after { content: ""; position: absolute; left: 27%; right: 27%; bottom: 14%; height: 5px; border-radius: 5px; background: #3a4c43; }
.robot-sensor { position: absolute; top: 30px; left: 66px; width: 42px; height: 42px; border-radius: 50%; background: #202d27; border: 5px solid #0b110e; box-shadow: inset 0 2px 3px rgba(255,255,255,.14); }
.robot-light { position: absolute; left: 79px; bottom: 33px; width: 16px; height: 4px; border-radius: 4px; background: #78c891; box-shadow: 0 0 10px #78c891; }
.route { position: absolute; z-index: 2; border: 2px dashed rgba(255,255,255,.72); border-radius: 50%; }
.route-one { width: 280px; height: 180px; left: 16%; top: 29%; transform: rotate(15deg); }
.route-two { width: 420px; height: 260px; left: 7%; top: 18%; transform: rotate(-15deg); }
.scene-note { position: absolute; z-index: 6; display: grid; padding: .7rem .85rem; border: 1px solid rgba(255,255,255,.55); border-radius: .75rem; background: rgba(247,246,241,.88); box-shadow: 0 10px 25px rgba(34, 31, 25, .15); backdrop-filter: blur(8px); }
.scene-note strong { font-size: .8rem; }.scene-note span { color: var(--muted); font-size: .67rem; }
.note-one { left: 18px; bottom: 25px; }.note-two { right: 22px; top: 22px; }
.visual-footer { align-items: flex-start; background: var(--white); }
.visual-footer span { color: var(--muted); }.visual-footer strong { text-align: right; color: var(--sage-dark); }

.need-strip { display: flex; justify-content: center; flex-wrap: wrap; gap: .5rem; padding: 1rem; border-block: 1px solid var(--line); background: var(--white); }
.need-strip span, .need-strip a { padding: .48rem .84rem; border-radius: 999px; font-size: .8rem; }
.need-strip span { color: var(--muted); font-weight: 750; }.need-strip a { border: 1px solid var(--line); font-weight: 700; }.need-strip a:hover { border-color: var(--sage); background: var(--sage-pale); }

.section { padding-block: clamp(5rem, 9vw, 8rem); }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 3rem; align-items: end; margin-bottom: 2.8rem; }
.section-heading h2, .method-grid h2, .closing h2 { margin-bottom: 0; font-size: clamp(2.4rem, 4.6vw, 4.5rem); line-height: 1; letter-spacing: -.055em; }
.section-heading > p { max-width: 480px; margin-bottom: .35rem; color: var(--muted); }
.path-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; }
.path-card { position: relative; min-height: 310px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; padding: 1.6rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.path-card-large { grid-row: span 2; min-height: 636px; background: #e8eee8; }
.card-number { position: absolute; top: 1.25rem; right: 1.35rem; color: var(--muted); font-size: .72rem; font-weight: 900; }
.card-kicker { margin-bottom: .4rem; color: var(--sage-dark); font-size: .73rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.path-card h3 { max-width: 500px; margin-bottom: .65rem; font-size: clamp(1.7rem, 3vw, 2.7rem); line-height: 1.02; letter-spacing: -.045em; }
.path-card p:not(.card-kicker) { max-width: 540px; margin-bottom: 1rem; color: var(--muted); }
.path-card a { width: max-content; font-size: .88rem; font-weight: 800; }
.path-card a:hover { color: var(--orange-dark); }
.pet-art { position: absolute; inset: 0; overflow: hidden; }
.pet-art::before { content: ""; position: absolute; width: 420px; aspect-ratio: 1; right: -80px; top: 35px; border-radius: 50%; background: #c5d8c8; }
.pet-art::after { content: ""; position: absolute; width: 210px; aspect-ratio: 1; right: 78px; top: 130px; border-radius: 50%; background: radial-gradient(circle at 39% 30%, #7b8580 0 5%, #2b3832 6% 10%, #18211d 11% 67%, #0c120f 68%); box-shadow: 0 25px 35px rgba(23,35,30,.28); }
.pet-art span { position: absolute; z-index: 1; width: 4px; height: 42px; border-radius: 50%; background: rgba(110, 80, 58, .45); transform: rotate(58deg); }
.pet-art span:nth-child(1) { right: 315px; top: 135px; }.pet-art span:nth-child(2) { right: 270px; top: 95px; transform: rotate(-35deg); }.pet-art span:nth-child(3) { right: 350px; top: 210px; transform: rotate(20deg); }
.card-copy { position: relative; z-index: 2; }
.mini-robot { position: absolute; right: 3.5rem; top: 2rem; width: 122px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 50% 25%, #87918c 0 7%, #17231e 8% 68%, #5f7a66 69% 71%, #0b110e 72%); box-shadow: 0 20px 28px rgba(23,35,30,.25); }
.path-card-dark { color: #f3f4ef; background: var(--night); border-color: var(--night); }
.path-card-dark .card-kicker, .path-card-dark a { color: #9ec9a9; }.path-card-dark p:not(.card-kicker) { color: #b7c1bb; }
.clearance-gauge { position: absolute; right: 2rem; top: 2rem; display: grid; place-items: center; width: 122px; aspect-ratio: 1; border-radius: 50%; background: conic-gradient(var(--orange) 0 72%, #314139 72%); }
.clearance-gauge::before { content: ""; position: absolute; inset: 9px; border-radius: 50%; background: var(--night); }
.clearance-gauge span { position: relative; z-index: 1; font-size: 1.3rem; font-weight: 850; }

.compare-section { color: white; background: var(--night); }
.light-heading .eyebrow { color: #a7cdb0; }.light-heading > p { color: #acb7b1; }
.compare-board { overflow: hidden; border: 1px solid #3d4c44; border-radius: var(--radius); background: #1f2d26; }
.compare-row { display: grid; grid-template-columns: 1.3fr 1fr 1fr; }
.compare-row > div { min-height: 112px; display: flex; flex-direction: column; justify-content: center; padding: 1.15rem 1.35rem; border-right: 1px solid #3d4c44; border-bottom: 1px solid #3d4c44; }
.compare-row > div:last-child { border-right: 0; }.compare-row:last-child > div { border-bottom: 0; }
.compare-head > div { min-height: 76px; flex-direction: row; justify-content: flex-start; align-items: center; gap: .6rem; color: #d9e0db; font-size: .76rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.compare-row span:not(.rating) { color: #aab6af; font-size: .78rem; }.compare-row small { margin-top: .2rem; color: #aab6af; }
.model-dot { width: 12px; height: 12px; border-radius: 50%; }.model-a { background: var(--orange); }.model-b { background: #80b58d; }
.rating { width: max-content; padding: .25rem .55rem; border-radius: 999px; font-size: .72rem; font-weight: 850; }.rating.good { color: #c7ecd0; background: #345541; }.rating.best { color: #17231e; background: #9fcca9; }.rating.fair { color: #f6d8c7; background: #69442f; }
.compare-note { margin: 1rem 0 0; color: #95a39b; font-size: .78rem; }

.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.guide-card { display: flex; flex-direction: column; min-height: 340px; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
.guide-card:hover { transform: translateY(-4px); box-shadow: 0 16px 35px rgba(23,35,30,.08); }
.guide-label { color: var(--sage-dark); font-size: .72rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.guide-card h3 { margin: auto 0 .8rem; font-size: 1.55rem; line-height: 1.12; letter-spacing: -.035em; }
.guide-card p { color: var(--muted); font-size: .92rem; }.status { width: max-content; margin-top: .5rem; padding: .25rem .55rem; border-radius: 999px; color: var(--sage-dark); background: var(--sage-pale); font-size: .68rem; font-weight: 800; }

.method-section { padding-block: clamp(5rem, 9vw, 8rem); background: #e6ebe5; }
.method-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem, 8vw, 7rem); align-items: start; }
.method-intro { max-width: 520px; margin-top: 1.4rem; color: var(--muted); }
.evidence-list { overflow: hidden; border: 1px solid #c8d1c9; border-radius: var(--radius); background: rgba(255,255,255,.55); }
.evidence-list article { display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; padding: 1.35rem; border-bottom: 1px solid #c8d1c9; }.evidence-list article:last-child { border-bottom: 0; }
.evidence-list h3 { margin-bottom: .25rem; font-size: 1.05rem; }.evidence-list p { margin: 0; color: var(--muted); font-size: .87rem; }
.evidence-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; font-weight: 900; }.evidence-tested { color: white; background: var(--sage-dark); }.evidence-researched { color: #2d1b10; background: var(--orange); }.evidence-specs { border: 1px solid var(--sage); color: var(--sage-dark); background: white; }

.closing { display: flex; justify-content: space-between; align-items: end; gap: 3rem; padding-block: clamp(5rem, 9vw, 8rem); }
.closing > div { max-width: 720px; }.closing p:not(.eyebrow) { max-width: 650px; margin: 1.2rem 0 0; color: var(--muted); }

.site-footer { padding: 4rem 0 1.2rem; color: #d9e2dd; background: #111a16; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .7fr .7fr; gap: 3rem; }
.footer-brand { color: white; }.footer-grid > div:first-child > p { max-width: 420px; margin-top: 1rem; color: #9eaaa3; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; gap: .55rem; }.footer-grid strong { margin-bottom: .5rem; color: white; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }.footer-grid a:not(.brand) { color: #aeb9b3; font-size: .88rem; }.footer-grid a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1rem; border-top: 1px solid #2d3933; color: #87938c; font-size: .72rem; }

.legal-page { min-height: 70vh; padding-block: 5rem; }.legal-page article { max-width: 780px; }.legal-page h1 { font-size: clamp(2.8rem, 6vw, 5rem); }.legal-page h2 { margin-top: 2.4rem; font-size: 1.35rem; }.legal-page p, .legal-page li { color: var(--muted); }
.error-page { min-height: 100vh; display: grid; place-items: center; padding: 2rem; text-align: center; }.error-page h1 { margin-bottom: .7rem; font-size: clamp(5rem, 18vw, 10rem); }.error-page p { color: var(--muted); }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }.desktop-nav, .header-cta { display: none; }.mobile-menu { display: block; position: relative; }.mobile-menu summary { cursor: pointer; padding: .55rem .8rem; border: 1px solid var(--ink); border-radius: 999px; font-size: .82rem; font-weight: 800; list-style: none; }.mobile-menu summary::-webkit-details-marker { display: none; }.mobile-menu nav { position: absolute; right: 0; top: calc(100% + .7rem); min-width: 210px; display: grid; padding: .55rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--white); box-shadow: var(--shadow); }.mobile-menu nav a { padding: .65rem .75rem; border-radius: .6rem; }.mobile-menu nav a:hover { background: var(--sage-pale); }
  .hero { grid-template-columns: 1fr; min-height: auto; }.hero-copy { max-width: 760px; }.hero-visual { width: min(650px, 100%); margin-inline: auto; transform: none; }
  .section-heading, .method-grid { grid-template-columns: 1fr; gap: 1.2rem; }.path-grid { grid-template-columns: 1fr; }.path-card-large { grid-row: auto; min-height: 520px; }.guide-grid { grid-template-columns: 1fr 1fr; }.guide-card:last-child { grid-column: 1 / -1; }.closing { align-items: flex-start; flex-direction: column; }.footer-grid { grid-template-columns: 1fr 1fr; }.footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .site-header { min-height: 66px; }.brand { font-size: .98rem; }.brand-mark { width: 31px; height: 31px; }
  .hero { padding-block: 3.5rem; }.hero-actions { align-items: flex-start; flex-direction: column; }.floor-scene { min-height: 390px; }.robot { left: 25%; top: 50%; width: 140px; }.plant { transform: scale(.78); transform-origin: top left; }.scene-note { padding: .55rem .65rem; }.visual-footer { flex-direction: column; }.visual-footer strong { text-align: left; }
  .section { padding-block: 4.5rem; }.path-card, .path-card-large { min-height: 400px; }.pet-art::before { width: 310px; right: -100px; }.pet-art::after { width: 160px; right: 35px; top: 105px; }.mini-robot, .clearance-gauge { width: 96px; right: 1.5rem; }
  .compare-board { overflow-x: auto; }.compare-row { min-width: 660px; }.guide-grid { grid-template-columns: 1fr; }.guide-card:last-child { grid-column: auto; }.footer-grid { grid-template-columns: 1fr; }.footer-grid > div:first-child { grid-column: auto; }.footer-bottom { flex-direction: column; }
}

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