:root {
  --ink: #101312;
  --ink-soft: #252a27;
  --paper: #f2f0e9;
  --paper-deep: #e7e2d7;
  --white: #fffef9;
  --amber: #f5a623;
  --amber-light: #ffc55f;
  --sage: #a5b5a5;
  --line: rgba(16, 19, 18, .15);
  --max: 1200px;
  --radius: 28px;
  --shadow: 0 30px 80px rgba(0, 0, 0, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link:focus { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 10px 16px; background: var(--white); border-radius: 8px; }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  color: var(--white);
  transition: background .3s ease, box-shadow .3s ease, color .3s ease;
}
.site-header.is-scrolled { color: var(--ink); background: rgba(242, 240, 233, .88); box-shadow: 0 1px 0 var(--line); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: .78rem; font-weight: 800; letter-spacing: .22em; }
.brand-mark { position: relative; display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid currentColor; transform: rotate(45deg); }
.brand-mark i { width: 9px; height: 9px; background: var(--amber); box-shadow: 0 0 16px var(--amber); }
.site-nav { display: flex; align-items: center; gap: 30px; font-size: .86rem; font-weight: 650; }
.site-nav > a:not(.nav-cta) { position: relative; opacity: .82; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -7px; width: 0; height: 1px; background: currentColor; transition: width .2s ease; }
.site-nav > a:hover::after { width: 100%; }
.nav-cta { padding: 11px 17px; color: var(--ink); background: var(--amber-light); border-radius: 999px; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; }
.menu-toggle span:not(.sr-only) { display: block; width: 23px; height: 1.5px; margin: 6px auto; background: currentColor; transition: transform .2s ease; }

.hero { position: relative; min-height: 810px; padding: 142px 0 74px; overflow: hidden; color: var(--white); background: #090b0a; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(to right, black, transparent 70%); }
.hero-glow { position: absolute; right: 7%; top: 9%; width: 48vw; height: 48vw; border-radius: 50%; opacity: .34; filter: blur(100px); background: radial-gradient(circle, #d58c1d 0, #665b37 28%, transparent 70%); }
.hero-grid { position: relative; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 70px; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin: 0 0 22px; text-transform: uppercase; letter-spacing: .16em; font-size: .71rem; font-weight: 760; }
.eyebrow > span { width: 26px; height: 1px; background: var(--amber); }
.hero h1, .section-heading h2, .mode-copy h2, .spec-intro h2, .final-cta h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.055em; line-height: .91; }
.hero h1 { max-width: 650px; font-size: clamp(4.7rem, 8vw, 8.4rem); }
.hero h1 em { color: var(--amber-light); font-weight: 400; }
.hero-lead { max-width: 570px; margin: 32px 0 0; color: rgba(255,255,255,.67); font-size: 1.08rem; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 39px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 54px; padding: 0 24px; border-radius: 999px; font-size: .9rem; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.button-primary { color: var(--ink); background: var(--amber-light); box-shadow: 0 10px 30px rgba(245,166,35,.16); }
.button-primary:hover { box-shadow: 0 14px 38px rgba(245,166,35,.27); }
.text-link { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.35); font-size: .9rem; }
.text-link span { display: inline-block; margin-left: 8px; }
.hero-points { display: flex; gap: 0; margin-top: 56px; color: rgba(255,255,255,.55); font-size: .72rem; text-transform: uppercase; letter-spacing: .11em; }
.hero-points span { padding: 0 20px; border-left: 1px solid rgba(255,255,255,.16); }
.hero-points span:first-child { padding-left: 0; border-left: 0; }
.hero-points strong { display: block; margin-bottom: 3px; color: var(--white); font-size: 1.12rem; letter-spacing: -.02em; }
.product-stage { position: relative; max-width: 610px; margin-left: auto; padding: 30px; border-radius: 220px 220px 30px 30px; background: linear-gradient(155deg, rgba(255,255,255,.13), rgba(255,255,255,.04)); border: 1px solid rgba(255,255,255,.14); box-shadow: var(--shadow); }
.product-stage::before { content: ""; position: absolute; inset: 12%; border-radius: 50%; background: var(--amber); filter: blur(90px); opacity: .2; }
.product-stage img { position: relative; width: 100%; border-radius: 190px 190px 16px 16px; mix-blend-mode: screen; }
.stage-label { position: absolute; z-index: 2; display: flex; align-items: center; gap: 8px; padding: 9px 13px; color: var(--ink); background: rgba(255,254,249,.92); backdrop-filter: blur(12px); border-radius: 999px; font-size: .72rem; font-weight: 700; box-shadow: 0 8px 30px rgba(0,0,0,.14); }
.stage-label-top { top: 15%; left: -20px; }
.stage-label-top span { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.stage-label-bottom { right: -16px; bottom: 21%; }
.product-caption { margin: 16px 0 0; text-align: center; color: rgba(255,255,255,.46); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }

.proof-strip { color: var(--white); background: #171a18; border-top: 1px solid rgba(255,255,255,.08); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid > div { padding: 28px 30px; border-left: 1px solid rgba(255,255,255,.1); }
.proof-grid > div:first-child { border-left: 0; }
.proof-grid strong { font-family: Georgia, serif; font-size: 2.25rem; font-weight: 400; }
.proof-grid strong span { margin-left: 2px; color: var(--amber-light); font-family: inherit; font-size: .95rem; }
.proof-grid p { margin: 3px 0 0; color: rgba(255,255,255,.5); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }

.section { padding: 128px 0; }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; column-gap: 50px; align-items: end; margin-bottom: 68px; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section-heading h2, .mode-copy h2, .spec-intro h2, .final-cta h2 { font-size: clamp(3.3rem, 6vw, 6.3rem); }
.section-heading > p:last-child { max-width: 440px; margin: 0 0 5px; color: #626762; }
.section-heading.compact { display: block; }
.section-heading.compact h2 { max-width: 780px; }

.feature-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.feature-card { position: relative; min-height: 510px; padding: 40px; overflow: hidden; border-radius: var(--radius); background: var(--white); }
.feature-number { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 46px; border: 1px solid currentColor; border-radius: 50%; opacity: .6; font-size: .72rem; }
.feature-card h3 { margin: 0; font-family: Georgia, serif; font-size: clamp(2rem, 3vw, 3.35rem); font-weight: 400; letter-spacing: -.045em; line-height: 1; }
.feature-card p { max-width: 480px; color: #626762; }
.feature-card-wide { grid-column: 1 / -1; display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; padding: 0; background: #dcd8cd; }
.feature-card-wide .feature-content { padding: 46px; }
.feature-card-wide img { width: 100%; height: auto; aspect-ratio: 1500 / 1489; object-fit: contain; object-position: center; }
.mini-stats { display: flex; gap: 12px; margin-top: 30px; }
.mini-stats span { padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; font-size: .74rem; font-weight: 700; }
.feature-card-dark { color: var(--white); background: #151817; }
.feature-card-dark p { color: rgba(255,255,255,.58); }
.weather-icon { width: 80px; height: 80px; margin-bottom: 20px; color: var(--amber-light); }
.weather-icon svg { fill: none; stroke: currentColor; stroke-width: 2; }
.weather-tags { position: absolute; bottom: 36px; left: 38px; display: flex; flex-wrap: wrap; gap: 8px; }
.weather-tags span { padding: 7px 12px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: rgba(255,255,255,.62); font-size: .72rem; }
.feature-card-light { min-height: 640px; display: flex; flex-direction: column; padding-bottom: 0; }
.feature-card-light img { position: relative; right: auto; bottom: auto; width: min(100%, 560px); margin: 30px auto 0; }
.feature-card-light p { max-width: 400px; }
.feature-card-install { color: var(--white); background: var(--amber); }
.feature-card-install::after { content: ""; position: absolute; right: -15%; bottom: -18%; width: 420px; height: 420px; border: 70px solid rgba(255,255,255,.15); border-radius: 50%; }
.feature-card-install p { position: relative; z-index: 1; max-width: 380px; color: rgba(16,19,18,.7); }
.install-lines { position: absolute; right: 45px; bottom: 45px; display: grid; gap: 10px; transform: rotate(-25deg); }
.install-lines span { width: 180px; height: 1px; background: rgba(16,19,18,.35); }
.install-lines span:nth-child(2) { width: 130px; }
.install-lines span:nth-child(3) { width: 80px; }

.light-modes { color: var(--white); background: #0b0d0c; }
.mode-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; }
.mode-copy > p:not(.eyebrow) { max-width: 500px; margin: 30px 0 42px; color: rgba(255,255,255,.58); }
.mode-selector { display: grid; gap: 8px; max-width: 420px; }
.mode-button { display: flex; align-items: center; gap: 16px; padding: 16px 18px; text-align: left; color: rgba(255,255,255,.52); background: transparent; border: 1px solid rgba(255,255,255,.11); border-radius: 14px; cursor: pointer; transition: .2s ease; }
.mode-button:hover, .mode-button.is-active { color: var(--white); background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.32); }
.mode-button i { flex: 0 0 auto; width: 20px; height: 20px; border-radius: 50%; background: #ffd184; box-shadow: 0 0 22px #ffb02e; }
.mode-button[data-temp="daylight"] i { background: #fff4da; box-shadow: 0 0 22px #fff4da; }
.mode-button[data-temp="cool"] i { background: #d5e8ff; box-shadow: 0 0 22px #8ac1ff; }
.mode-button strong { display: inline-block; min-width: 65px; color: var(--white); }
.mode-visual { position: relative; overflow: hidden; aspect-ratio: 1 / 1; border-radius: var(--radius); background: #161a18; }
.mode-visual img { width: 100%; height: 100%; aspect-ratio: 1 / 1; object-fit: contain; transition: filter .5s ease; }
.mode-visual[data-mode="warm"] img { filter: sepia(.16) saturate(1.08); }
.mode-visual[data-mode="daylight"] img { filter: saturate(.85) brightness(1.02); }
.mode-visual[data-mode="cool"] img { filter: saturate(.75) hue-rotate(7deg) brightness(1.04); }
.mode-wash { position: absolute; inset: 0; pointer-events: none; opacity: .2; mix-blend-mode: color; transition: background .4s ease; background: #ffae36; }
.mode-visual[data-mode="daylight"] .mode-wash { background: #fff4db; opacity: .08; }
.mode-visual[data-mode="cool"] .mode-wash { background: #78b7ff; opacity: .22; }
.mode-readout { position: absolute; right: 24px; bottom: 24px; min-width: 155px; padding: 18px 20px; color: var(--ink); background: rgba(255,254,249,.9); border-radius: 16px; backdrop-filter: blur(10px); }
.mode-readout span { font-family: Georgia, serif; font-size: 1.75rem; }
.mode-readout p { margin: 1px 0 0; color: #686d68; font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; }

.use-cases { background: var(--paper-deep); }
.scene-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.scene { position: relative; aspect-ratio: 1 / 1; margin: 0; overflow: hidden; border-radius: var(--radius); background: #111; }
.scene img { width: 100%; height: 100%; aspect-ratio: 1 / 1; object-fit: contain; }
.scene-large img { object-position: center; }
.scene:not(.scene-large) img { object-position: 48% center; }
.scene figcaption { position: absolute; left: 20px; right: 20px; bottom: 20px; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 17px 20px; color: var(--white); background: rgba(11,13,12,.72); border: 1px solid rgba(255,255,255,.12); border-radius: 14px; backdrop-filter: blur(14px); }
.scene figcaption strong { font-family: Georgia, serif; font-size: 1.3rem; font-weight: 400; }
.scene figcaption span { color: rgba(255,255,255,.6); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }

.specifications { background: var(--white); }
.spec-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; }
.spec-intro > p:not(.eyebrow) { max-width: 520px; color: #646964; }
.spec-intro img { margin-top: 42px; border-radius: 20px; }
.spec-list { margin: 0; border-top: 1px solid var(--line); }
.spec-list > div { display: grid; grid-template-columns: 1fr 1.1fr; gap: 25px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.spec-list dt { color: #777c77; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.spec-list dd { margin: 0; font-size: .95rem; font-weight: 700; }

.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; align-items: start; }
.accordion { border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding: 26px 0; list-style: none; cursor: pointer; font-size: 1.08rem; font-weight: 700; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { position: relative; flex: 0 0 auto; width: 26px; height: 26px; border: 1px solid var(--line); border-radius: 50%; }
.accordion summary span::before, .accordion summary span::after { content: ""; position: absolute; top: 50%; left: 50%; width: 10px; height: 1px; background: var(--ink); transform: translate(-50%, -50%); transition: transform .2s ease; }
.accordion summary span::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion details[open] summary span::after { transform: translate(-50%, -50%) rotate(0); }
.accordion details p { max-width: 680px; margin: -4px 50px 26px 0; color: #636863; }

.final-cta { padding: 110px 0; color: var(--white); background: #0b0d0c; }
.cta-inner { display: flex; justify-content: space-between; align-items: end; gap: 60px; }
.cta-action { text-align: right; }
.cta-action p { margin: 0 0 18px; color: rgba(255,255,255,.5); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; }
.site-footer { padding: 34px 0; color: rgba(255,255,255,.5); background: #0b0d0c; border-top: 1px solid rgba(255,255,255,.1); font-size: .75rem; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; }
.footer-grid .brand { color: var(--white); }
.footer-grid > p:nth-child(2) { text-align: center; }
.copyright { text-align: right; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal-delay-1 { transition-delay: .12s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .site-nav { gap: 18px; }
  .hero { min-height: auto; }
  .hero-grid, .mode-grid, .spec-grid, .faq-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 60px; }
  .hero-copy { max-width: 740px; }
  .hero-visual { width: min(100%, 680px); margin: auto; }
  .section-heading { display: block; }
  .section-heading > p:last-child { margin-top: 26px; }
  .feature-card-wide { grid-template-columns: 1fr; }
  .feature-card-wide img { max-height: none; }
  .mode-grid, .spec-grid, .faq-grid { gap: 60px; }
  .scene-grid { grid-template-columns: 1fr; }
  .scene { min-height: 0; }
  .cta-inner { align-items: start; flex-direction: column; }
  .cta-action { text-align: left; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 32px), var(--max)); }
  .nav-wrap { min-height: 70px; }
  .menu-toggle { display: block; z-index: 2; }
  .menu-toggle[aria-expanded="true"] span:not(.sr-only):nth-last-child(2) { transform: translateY(3.75px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 28px; padding: 80px 24px; color: var(--white); background: rgba(10,12,11,.98); visibility: hidden; opacity: 0; transform: translateY(-12px); transition: .25s ease; }
  .site-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .site-nav > a { font-size: 1.25rem; }
  .hero { padding-top: 120px; }
  .hero h1 { font-size: clamp(4rem, 19vw, 6rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 16px; }
  .hero-points { flex-wrap: wrap; gap: 18px 0; }
  .hero-points span { min-width: 50%; }
  .hero-points span:nth-child(3) { padding-left: 0; border-left: 0; }
  .product-stage { padding: 16px; border-radius: 120px 120px 24px 24px; }
  .product-stage img { border-radius: 105px 105px 14px 14px; }
  .stage-label-top { left: -8px; }
  .stage-label-bottom { right: -7px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-grid > div:nth-child(3) { border-left: 0; border-top: 1px solid rgba(255,255,255,.1); }
  .proof-grid > div:nth-child(4) { border-top: 1px solid rgba(255,255,255,.1); }
  .proof-grid > div { padding: 22px 14px; }
  .proof-grid strong { font-size: 1.8rem; }
  .section { padding: 88px 0; }
  .section-heading { margin-bottom: 45px; }
  .section-heading h2, .mode-copy h2, .spec-intro h2, .final-cta h2 { font-size: clamp(3rem, 14vw, 4.6rem); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card, .feature-card-light { min-height: 520px; padding: 28px; }
  .feature-card-wide { grid-column: auto; padding: 0; }
  .feature-card-wide .feature-content { padding: 30px; }
  .feature-card-wide img { min-height: 0; height: auto; object-position: center; }
  .feature-number { margin-bottom: 30px; }
  .feature-card-light img { width: 100%; margin-top: 24px; }
  .weather-tags { left: 28px; bottom: 28px; }
  .mode-visual, .mode-visual img { min-height: 0; }
  .mode-visual img { object-position: center; }
  .scene { min-height: 0; }
  .scene figcaption { align-items: flex-start; flex-direction: column; gap: 3px; }
  .spec-list > div { grid-template-columns: 1fr; gap: 5px; }
  .cta-inner { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 18px; text-align: center; }
  .footer-grid .brand { justify-self: center; }
  .footer-grid > p:nth-child(2), .copyright { margin: 0; text-align: center; }
}

/* Portrait-first phone layout. Kept separate so tablet and desktop composition stays intact. */
@media (max-width: 600px) and (orientation: portrait) {
  html { scroll-padding-top: 72px; }
  body { overflow-x: hidden; }
  .container { width: min(calc(100% - 28px), var(--max)); }

  .site-header:not(.is-scrolled) { background: linear-gradient(to bottom, rgba(9,11,10,.78), transparent); }
  .nav-wrap { min-height: 66px; }
  .brand { gap: 9px; font-size: .7rem; letter-spacing: .18em; }
  .brand-mark { width: 24px; height: 24px; }
  .menu-toggle { width: 48px; height: 48px; margin-right: -9px; touch-action: manipulation; }
  .site-nav {
    min-height: 100svh;
    justify-content: flex-start;
    align-items: stretch;
    gap: 0;
    padding: calc(102px + env(safe-area-inset-top)) 24px calc(34px + env(safe-area-inset-bottom));
  }
  .site-nav > a { padding: 17px 4px; border-bottom: 1px solid rgba(255,255,255,.12); font-family: Georgia, serif; font-size: 1.8rem; font-weight: 400; }
  .site-nav .nav-cta { margin-top: auto; padding: 17px 22px; text-align: center; border: 0; border-radius: 999px; font-family: inherit; font-size: .95rem; font-weight: 760; }

  .hero { padding: 104px 0 50px; }
  .hero::before { background-size: 52px 52px; }
  .hero-glow { top: 48%; right: -28%; width: 90vw; height: 90vw; }
  .hero-grid { gap: 38px; }
  .eyebrow { gap: 9px; margin-bottom: 17px; font-size: .64rem; line-height: 1.45; letter-spacing: .13em; }
  .eyebrow > span { width: 20px; }
  .hero h1 { font-size: clamp(3.65rem, 17vw, 4.8rem); line-height: .88; }
  .hero-lead { margin-top: 24px; font-size: .96rem; line-height: 1.65; }
  .hero-actions { width: 100%; margin-top: 30px; }
  .hero-actions .button, .cta-action .button { width: 100%; min-height: 56px; }
  .hero-actions .text-link { width: 100%; text-align: center; }
  .hero-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 34px; }
  .hero-points span, .hero-points span:first-child, .hero-points span:nth-child(3) { min-width: 0; padding: 13px 12px; border: 1px solid rgba(255,255,255,.11); border-radius: 12px; background: rgba(255,255,255,.035); }
  .hero-points span:nth-child(3) { grid-column: 1 / -1; }
  .hero-points strong { font-size: 1rem; }
  .hero-visual { width: 100%; }
  .product-stage { width: 100%; padding: 12px; border-radius: 96px 96px 20px 20px; }
  .product-stage img { border-radius: 84px 84px 12px 12px; }
  .stage-label { padding: 8px 10px; font-size: .65rem; }
  .stage-label-top { top: 15px; left: 15px; }
  .stage-label-bottom { right: 15px; bottom: 15px; }
  .product-caption { margin-top: 13px; font-size: .62rem; line-height: 1.5; }

  .proof-grid > div { min-width: 0; padding: 20px 10px; }
  .proof-grid strong { font-size: 1.65rem; }
  .proof-grid p { font-size: .61rem; line-height: 1.4; letter-spacing: .07em; }

  .section { padding: 72px 0; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .mode-copy h2, .spec-intro h2, .final-cta h2 { font-size: clamp(2.85rem, 13.5vw, 4rem); line-height: .94; }
  .section-heading > p:last-child, .mode-copy > p:not(.eyebrow), .spec-intro > p:not(.eyebrow) { margin-top: 22px; font-size: .94rem; line-height: 1.65; }

  .feature-grid { gap: 14px; }
  .feature-card, .feature-card-light { min-height: 0; padding: 24px; border-radius: 22px; }
  .feature-card-wide { padding: 0; }
  .feature-card-wide .feature-content { padding: 24px; }
  .feature-card h3 { font-size: clamp(2rem, 10vw, 2.7rem); }
  .feature-card p { font-size: .92rem; line-height: 1.65; }
  .feature-number { width: 38px; height: 38px; margin-bottom: 24px; }
  .mini-stats { flex-wrap: wrap; margin-top: 24px; }
  .feature-card-wide img { width: 100%; }
  .feature-card-dark { display: flex; flex-direction: column; }
  .weather-icon { width: 64px; height: 64px; margin-bottom: 16px; }
  .weather-tags { position: static; margin-top: 20px; }
  .feature-card-light { padding-bottom: 0; }
  .feature-card-light img { width: calc(100% + 48px); max-width: none; margin: 22px -24px 0; border-radius: 0 0 22px 22px; }
  .feature-card-install { min-height: 390px; }
  .feature-card-install::after { right: -42%; bottom: -26%; width: 350px; height: 350px; }
  .install-lines { right: 24px; bottom: 32px; }
  .install-lines span { width: 130px; }
  .install-lines span:nth-child(2) { width: 95px; }
  .install-lines span:nth-child(3) { width: 60px; }

  .mode-grid { gap: 34px; }
  .mode-copy > p:not(.eyebrow) { margin-bottom: 30px; }
  .mode-selector { gap: 9px; }
  .mode-button { min-height: 58px; padding: 13px 14px; touch-action: manipulation; }
  .mode-button i { width: 18px; height: 18px; }
  .mode-button span { font-size: .86rem; }
  .mode-button strong { min-width: 60px; }
  .mode-visual { border-radius: 22px; }
  .mode-readout { right: 12px; bottom: 12px; min-width: 128px; padding: 12px 14px; border-radius: 12px; }
  .mode-readout span { font-size: 1.4rem; }
  .mode-readout p { font-size: .63rem; }

  .scene-grid { gap: 14px; }
  .scene { aspect-ratio: auto; border-radius: 22px; }
  .scene img { aspect-ratio: 1 / 1; }
  .scene figcaption { position: static; align-items: flex-start; flex-direction: column; gap: 3px; padding: 15px 17px; border: 0; border-top: 1px solid rgba(255,255,255,.12); border-radius: 0; backdrop-filter: none; }
  .scene figcaption strong { font-size: 1.15rem; }
  .scene figcaption span { font-size: .62rem; line-height: 1.5; }

  .spec-grid, .faq-grid { gap: 42px; }
  .spec-intro img { margin-top: 28px; border-radius: 16px; }
  .spec-list > div { padding: 18px 0; }
  .spec-list dt { font-size: .68rem; }
  .spec-list dd { font-size: .92rem; }
  .accordion summary { min-height: 66px; padding: 18px 0; gap: 18px; font-size: .96rem; line-height: 1.4; }
  .accordion summary span { width: 28px; height: 28px; }
  .accordion details p { margin: -2px 0 22px; font-size: .9rem; line-height: 1.65; }

  .final-cta { padding: 72px 0 calc(72px + env(safe-area-inset-bottom)); }
  .cta-inner { gap: 34px; }
  .cta-action { width: 100%; }
  .cta-action p { text-align: center; }
  .site-footer { padding-bottom: calc(30px + env(safe-area-inset-bottom)); }
}

@media (hover: none) and (pointer: coarse) {
  .button:hover { transform: none; }
  .site-nav > a:not(.nav-cta)::after { display: none; }
}

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