@layer reset, tokens, base, components, motion, responsive;

@property --meter {
  syntax: "<number>";
  inherits: false;
  initial-value: 0;
}

@property --route {
  syntax: "<percentage>";
  inherits: false;
  initial-value: 0%;
}

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body, h1, h2, h3, p, blockquote, ul { margin: 0; }
  ul { padding: 0; list-style: none; }
  button, a { color: inherit; font: inherit; }
  button { border: 0; background: none; cursor: pointer; }
  a { text-decoration: none; }
  img, svg { display: block; }
}

@layer tokens {
  :root {
    --paper: oklch(98.7% 0.012 87);
    --paper-strong: oklch(100% 0 0);
    --ink: oklch(25% 0.075 252);
    --ink-soft: oklch(43% 0.045 245);
    --blue: oklch(53% 0.19 252);
    --blue-deep: oklch(37% 0.13 251);
    --cyan: oklch(81% 0.12 210);
    --tomato: oklch(65% 0.23 29);
    --sun: oklch(86% 0.17 86);
    --lime: oklch(89% 0.19 124);
    --green: oklch(71% 0.18 144);
    --sand: oklch(92% 0.05 82);
    --line: color-mix(in oklch, var(--ink) 14%, transparent);
    --shadow: 0 24px 60px color-mix(in oklch, var(--ink) 12%, transparent);
    --radius-lg: clamp(28px, 3.4vw, 58px);
    --radius-md: clamp(20px, 2vw, 34px);
    --gutter: clamp(18px, 3.4vw, 54px);
    --max: 1600px;
  }
}

@layer base {
  body {
    background: var(--paper);
    color: var(--ink);
    font-family: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
  }

  ::selection { background: var(--sun); color: var(--ink); }
  :focus-visible { outline: 3px solid var(--tomato); outline-offset: 4px; }
  main { overflow: clip; }
  .section-shell { width: min(calc(100% - var(--gutter) * 2), var(--max)); margin-inline: auto; }

  .section-label {
    align-items: center;
    color: var(--ink-soft);
    display: flex;
    font-size: 12px;
    font-weight: 700;
    gap: 12px;
    letter-spacing: .09em;
    text-transform: uppercase;
  }

  .section-label span {
    align-items: center;
    background: var(--ink);
    border-radius: 999px;
    color: white;
    display: inline-flex;
    height: 28px;
    justify-content: center;
    letter-spacing: 0;
    width: 38px;
  }

  h2 {
    font-size: clamp(54px, 8.2vw, 132px);
    font-weight: 780;
    letter-spacing: -.075em;
    line-height: .82;
    text-wrap: balance;
  }

  h2 em { color: var(--tomato); font-style: normal; }
}

@layer components {
  .scroll-meter {
    background: var(--tomato);
    height: 4px;
    inset: 0 auto auto 0;
    position: fixed;
    transform: scaleX(0);
    transform-origin: left;
    width: 100%;
    z-index: 1000;
  }

  .site-header {
    align-items: center;
    background: color-mix(in oklch, var(--paper) 82%, transparent);
    border: 1px solid color-mix(in oklch, var(--ink) 8%, transparent);
    border-radius: 999px;
    display: grid;
    gap: 24px;
    grid-template-columns: auto 1fr auto;
    left: var(--gutter);
    padding: 8px 8px 8px 18px;
    position: absolute;
    right: var(--gutter);
    top: 20px;
    z-index: 50;
    backdrop-filter: blur(18px) saturate(1.3);
  }

  .brand { align-items: center; display: flex; gap: 10px; }
  .brand > span { font-size: 30px; font-weight: 900; letter-spacing: -.1em; }
  .brand small { border-left: 1px solid var(--line); font-size: 8px; font-weight: 800; letter-spacing: .1em; line-height: 1.05; padding-left: 10px; }
  .nav { display: flex; gap: clamp(20px, 3vw, 46px); justify-content: center; }
  .nav :is(button, a) { font-size: 14px; font-weight: 650; position: relative; }
  .nav :is(button, a)::after { background: var(--tomato); bottom: -7px; content: ""; height: 2px; left: 0; position: absolute; scale: 0 1; transform-origin: right; transition: scale .35s ease; width: 100%; }
  .nav :is(button, a):hover::after { scale: 1; transform-origin: left; }
  .header-actions { align-items: center; display: flex; gap: 8px; }
  .header-cta, .button {
    align-items: center;
    border-radius: 999px;
    display: inline-flex;
    font-weight: 750;
    gap: 20px;
    justify-content: center;
    overflow: hidden;
    position: relative;
  }
  .header-cta { background: var(--blue); color: white; font-size: 14px; min-height: 48px; padding: 0 22px; }
  .header-cta svg, .button svg { transition: translate .3s ease; }
  .header-cta:hover svg, .button:hover svg { translate: 5px 0; }
  .menu-toggle { display: none; height: 46px; place-items: center; width: 46px; }
  .menu-toggle span { background: currentColor; display: block; height: 2px; transition: transform .3s ease; width: 20px; }

  .hero {
    --pointer-x: 50%;
    --pointer-y: 50%;
    --tilt-x: 0px;
    --tilt-y: 0px;
    min-height: min(960px, 100svh);
    padding: clamp(150px, 16vh, 210px) var(--gutter) 54px;
    position: relative;
    isolation: isolate;
  }

  .hero::after {
    background: radial-gradient(circle 240px at var(--pointer-x) var(--pointer-y), color-mix(in oklch, var(--sun) 20%, transparent), transparent 72%);
    content: "";
    inset: 0;
    pointer-events: none;
    position: absolute;
    z-index: -1;
  }

  .hero-art { inset: 0; overflow: hidden; position: absolute; z-index: -2; }
  .hero-art img { height: 100%; inset: 0; object-fit: cover; object-position: center center; position: absolute; scale: 1.015; translate: var(--tilt-x) var(--tilt-y); transition: translate .7s cubic-bezier(.2,.75,.2,1); width: 100%; }
  .sun-disc { background: var(--sun); border-radius: 50% 50% 0 0; height: 220px; position: absolute; right: 25%; top: 8%; width: 220px; z-index: -1; }

  .hero-copy { max-width: min(780px, 55vw); position: relative; z-index: 2; }
  .hero-kicker { align-items: center; display: flex; font-size: 12px; font-weight: 750; gap: 14px; letter-spacing: .07em; margin-bottom: clamp(38px, 6vh, 78px); text-transform: uppercase; }
  .hero-kicker span { background: var(--sun); border-radius: 999px; padding: 9px 13px; }
  .hero h1 { font-size: clamp(64px, 8.15vw, 132px); font-weight: 800; letter-spacing: -.075em; line-height: .8; }
  .line-mask { display: block; overflow: hidden; padding: .05em .08em .08em 0; }
  .line-mask i { display: block; font-style: normal; translate: 0 110%; animation: hero-line .9s cubic-bezier(.2,.8,.2,1) forwards; }
  .line-mask:nth-child(2) i { animation-delay: .1s; }
  .line-mask:nth-child(3) i { animation-delay: .2s; }
  .line-mask.accent { color: var(--tomato); font-style: italic; }
  .line-mask.accent i { rotate: -2deg; transform-origin: left; }
  .hero-lead { font-size: clamp(18px, 1.55vw, 25px); line-height: 1.42; margin-top: 32px; max-width: 580px; text-wrap: pretty; }
  .hero-actions { align-items: center; display: flex; gap: 30px; margin-top: 34px; }
  .button { min-height: 62px; padding: 0 26px; }
  .button-hot { background: var(--tomato); box-shadow: 0 14px 30px color-mix(in oklch, var(--tomato) 28%, transparent); color: white; }
  .button-hot::before { background: var(--sun); border-radius: inherit; content: ""; inset: 100% 0 auto; height: 100%; position: absolute; transition: translate .35s ease; z-index: -1; }
  .button-hot { isolation: isolate; }
  .button-hot > * { position: relative; z-index: 1; }
  .button-hot:hover { color: var(--ink); }
  .button-hot:hover::before { translate: 0 -100%; }
  .text-link { align-items: center; border-bottom: 1px solid var(--ink); display: inline-flex; font-weight: 700; gap: 18px; padding: 0 0 8px; }
  .text-link svg { transition: translate .3s ease; }
  .text-link:hover svg { translate: 5px 0; }

  .status-sticker {
    align-items: center;
    background: color-mix(in oklch, white 88%, transparent);
    border: 1px solid color-mix(in oklch, var(--ink) 8%, transparent);
    border-radius: 999px;
    box-shadow: 0 12px 32px color-mix(in oklch, var(--ink) 13%, transparent);
    display: flex;
    font-size: 13px;
    gap: 9px;
    padding: 12px 15px;
    position: absolute;
    z-index: 3;
    backdrop-filter: blur(14px);
    translate: calc(0px - var(--tilt-x)) calc(0px - var(--tilt-y));
    transition: translate .65s cubic-bezier(.2,.75,.2,1);
  }
  .signal { background: var(--green); border-radius: 50%; box-shadow: 0 0 0 5px color-mix(in oklch, var(--green) 18%, transparent); height: 8px; width: 8px; }
  .sticker-security { right: 9%; top: 29%; }
  .sticker-climate { border-radius: 18px; bottom: 23%; right: 31%; }
  .sticker-climate svg { color: var(--tomato); }
  .sticker-climate strong { font-size: 21px; }
  .sticker-climate span { color: var(--ink-soft); }
  .sticker-light { bottom: 14%; right: 8%; }
  .sticker-light svg { color: oklch(78% .18 82); }

  .hero-index { align-items: center; bottom: 42px; display: flex; font-size: 11px; gap: 8px; left: var(--gutter); position: absolute; }
  .hero-index i { background: var(--line); height: 1px; overflow: hidden; position: relative; width: 74px; }
  .hero-index i::after { background: var(--tomato); content: ""; inset: 0 50% 0 0; position: absolute; }
  .scroll-note { align-items: center; bottom: 32px; display: flex; font-size: 11px; gap: 12px; position: absolute; right: var(--gutter); text-transform: uppercase; writing-mode: vertical-rl; }
  .scroll-note i { align-items: center; border: 1px solid var(--line); border-radius: 50%; display: flex; font-style: normal; height: 36px; justify-content: center; width: 36px; writing-mode: horizontal-tb; }

  .signal-strip {
    align-items: center;
    background: var(--ink);
    color: white;
    display: grid;
    gap: 24px;
    grid-template-columns: auto 1px auto 1px auto 1px minmax(280px, 1fr);
    padding: 34px var(--gutter);
  }
  .signal-strip > div { display: flex; gap: 10px; white-space: nowrap; }
  .signal-strip strong { color: var(--sun); font-size: 18px; }
  .signal-strip span { align-self: center; color: color-mix(in oklch, white 62%, transparent); font-size: 12px; }
  .signal-strip > i { background: color-mix(in oklch, white 20%, transparent); height: 32px; }
  .signal-strip > p { font-size: clamp(24px, 2.6vw, 44px); font-weight: 400; justify-self: end; letter-spacing: -.045em; line-height: .95; }
  .signal-strip b { color: var(--cyan); }

  .products { padding-block: clamp(100px, 14vw, 220px); }
  .section-intro { display: grid; gap: 28px; grid-template-columns: 1fr 2.2fr 1fr; margin-bottom: clamp(64px, 9vw, 140px); }
  .section-intro h2 { grid-column: 2; }
  .section-intro > p:last-child { align-self: end; color: var(--ink-soft); font-size: 17px; line-height: 1.55; max-width: 360px; }
  .product-zone { container: product-zone / inline-size; display: grid; gap: 18px; grid-template-columns: repeat(12, 1fr); }
  .product-card {
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    min-height: 490px;
    overflow: hidden;
    padding: clamp(24px, 2.5vw, 40px);
    position: relative;
    transition: translate .45s cubic-bezier(.2,.75,.2,1), box-shadow .45s ease, filter .45s ease;
  }
  .product-zone:has(.product-card:hover) .product-card:not(:hover) { filter: saturate(.65); }
  .product-card:hover { box-shadow: var(--shadow); translate: 0 -10px; }
  .product-1 { grid-column: span 7; }
  .product-2 { grid-column: span 5; }
  .product-3, .product-4, .product-5 { grid-column: span 4; min-height: 430px; }
  .product-6 { grid-column: span 12; min-height: 380px; }
  .tone-blue { background: var(--blue); color: white; }
  .tone-lime { background: var(--lime); }
  .tone-tomato { background: var(--tomato); color: white; }
  .tone-cyan { background: var(--cyan); }
  .tone-sand { background: var(--sand); }
  .tone-yellow { background: var(--sun); }
  .card-top { align-items: center; display: flex; font-size: 13px; justify-content: space-between; position: relative; z-index: 2; }
  .card-top > i { align-items: center; background: color-mix(in oklch, white 70%, transparent); border-radius: 50%; color: var(--ink); display: flex; height: 52px; justify-content: center; width: 52px; }
  .product-card h3 { font-size: clamp(40px, 5vw, 80px); letter-spacing: -.065em; line-height: .9; margin-top: auto; position: relative; z-index: 2; }
  .product-card > p { font-size: 16px; line-height: 1.45; margin-top: 20px; max-width: 350px; position: relative; z-index: 2; }
  .product-meta { align-items: center; border-top: 1px solid currentColor; display: flex; font-size: 12px; justify-content: space-between; margin-top: 28px; opacity: .78; padding-top: 16px; position: relative; z-index: 2; }
  .device-orbit { aspect-ratio: 1; left: 50%; position: absolute; top: 44%; translate: -50% -50%; width: min(56%, 270px); }
  .device-orbit::before, .device-orbit::after { border: 1px solid color-mix(in oklch, currentColor 30%, transparent); border-radius: 50%; content: ""; inset: 0; position: absolute; }
  .device-orbit::after { inset: 18%; }
  .device-orbit > span { background: color-mix(in oklch, white 72%, transparent); border-radius: 28%; box-shadow: inset 0 0 0 1px color-mix(in oklch, currentColor 12%, transparent), 0 20px 34px color-mix(in oklch, var(--ink) 14%, transparent); height: 42%; left: 29%; position: absolute; rotate: 12deg; top: 29%; width: 42%; }
  .device-orbit > i, .device-orbit > b { background: currentColor; border-radius: 50%; height: 10px; offset-path: circle(50% at 50% 50%); position: absolute; width: 10px; }
  .device-orbit > i { offset-distance: 18%; }
  .device-orbit > b { offset-distance: 68%; }
  .product-6 { display: grid; grid-template-columns: 1fr 1fr; }
  .product-6 .device-orbit { left: auto; right: 9%; top: 50%; translate: 0 -50%; width: 300px; }
  .product-6 h3, .product-6 > p, .product-6 .product-meta { grid-column: 1; }

  .how { background: var(--blue-deep); border-radius: var(--radius-lg); color: white; margin: 0 12px; overflow: hidden; padding-block: clamp(100px, 13vw, 200px); position: relative; }
  .how::before { background: var(--sun); border-radius: 50%; content: ""; height: min(38vw, 620px); position: absolute; right: -12vw; top: -15vw; width: min(38vw, 620px); }
  .how .section-label { color: color-mix(in oklch, white 66%, transparent); }
  .how .section-label span { background: var(--sun); color: var(--ink); }
  .how-title { position: relative; }
  .how-title h2 { margin: 38px 0 100px; }
  .how-title h2 em { color: var(--cyan); }
  .steps { display: grid; gap: clamp(30px, 6vw, 96px); grid-template-columns: repeat(3, 1fr); position: relative; }
  .step { position: relative; z-index: 2; }
  .step-visual { align-items: center; aspect-ratio: 1.25; background: color-mix(in oklch, white 7%, transparent); border: 1px solid color-mix(in oklch, white 15%, transparent); border-radius: var(--radius-md); display: flex; justify-content: center; overflow: hidden; position: relative; }
  .step-visual > span { color: color-mix(in oklch, white 14%, transparent); font-size: clamp(90px, 10vw, 160px); font-weight: 850; left: 10px; letter-spacing: -.08em; position: absolute; top: -24px; }
  .step-glyph { align-items: center; background: var(--paper); border-radius: 28%; box-shadow: 0 18px 38px color-mix(in oklch, black 25%, transparent); display: flex; height: 88px; justify-content: center; position: relative; rotate: -8deg; width: 88px; }
  .step-glyph b { background: var(--blue); border-radius: 50%; height: 12px; position: absolute; width: 12px; }
  .step-glyph b:nth-child(1) { translate: -19px -12px; }
  .step-glyph b:nth-child(2) { translate: 19px -12px; }
  .step-glyph b:nth-child(3) { background: var(--tomato); translate: 0 22px; }
  .glyph-2 { background: var(--lime); rotate: 6deg; }
  .glyph-3 { background: var(--sun); rotate: -3deg; }
  .step h3 { font-size: clamp(28px, 2.7vw, 44px); letter-spacing: -.045em; margin-top: 28px; }
  .step > p { color: color-mix(in oklch, white 66%, transparent); font-size: 15px; line-height: 1.55; margin-top: 14px; max-width: 360px; }
  .step-route { border-top: 1px dashed color-mix(in oklch, white 30%, transparent); left: 16%; position: absolute; right: 16%; top: 33%; }
  .step-route span { background: var(--tomato); border: 6px solid var(--blue-deep); border-radius: 50%; height: 22px; left: var(--route); position: absolute; top: 50%; translate: -50% -50%; width: 22px; }

  .compatibility { background: var(--paper-strong); padding-block: 42px; }
  .compatibility > p { font-size: 12px; font-weight: 700; letter-spacing: .1em; margin-bottom: 32px; text-align: center; text-transform: uppercase; }
  .marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent); }
  .marquee-track { align-items: center; animation: marquee 24s linear infinite; display: flex; gap: clamp(48px, 7vw, 120px); min-width: max-content; }
  .marquee-track span { align-items: center; display: flex; font-size: clamp(22px, 2.4vw, 38px); font-weight: 700; gap: 14px; letter-spacing: -.04em; }
  .marquee-track i { align-items: center; background: var(--ink); border-radius: 12px; color: white; display: flex; font-size: 15px; font-style: normal; height: 38px; justify-content: center; width: 38px; }

  .reviews { padding-block: clamp(110px, 14vw, 220px); }
  .review-label { align-items: center; display: flex; justify-content: space-between; margin-bottom: 34px; }
  .review-label > p:last-child { font-size: 12px; font-weight: 700; letter-spacing: .08em; }
  .review-stage { background: var(--cyan); border-radius: var(--radius-lg); max-width: 100%; min-height: 620px; overflow: hidden; padding: clamp(34px, 6vw, 90px); position: relative; }
  .review-stage blockquote { font-size: clamp(38px, 4.8vw, 76px); font-weight: 720; letter-spacing: -.06em; line-height: .97; max-width: 1120px; min-width: 0; overflow-wrap: break-word; padding-bottom: clamp(150px, 15vw, 210px); position: relative; text-wrap: balance; view-transition-name: review-quote; z-index: 2; }
  .review-sun { background: var(--sun); border-radius: 50%; height: min(30vw, 430px); position: absolute; right: -4%; top: -15%; width: min(30vw, 430px); }
  .review-sun::after { background: var(--tomato); border-radius: 50%; content: ""; height: 22%; left: 12%; position: absolute; top: 54%; width: 22%; }
  .review-person { align-items: center; bottom: clamp(34px, 6vw, 82px); display: flex; gap: 14px; left: clamp(34px, 6vw, 90px); position: absolute; view-transition-name: review-person; z-index: 2; }
  .review-person > span { align-items: center; background: var(--paper); border-radius: 50%; display: flex; font-size: 13px; font-weight: 800; height: 48px; justify-content: center; width: 48px; }
  .review-person p { display: flex; flex-direction: column; font-size: 14px; gap: 3px; }
  .review-person small { color: var(--ink-soft); }
  .review-controls { bottom: clamp(34px, 6vw, 82px); display: flex; gap: 8px; position: absolute; right: clamp(34px, 6vw, 90px); z-index: 3; }
  .review-controls button { align-items: center; background: var(--paper); border-radius: 50%; display: flex; font-size: 22px; height: 56px; justify-content: center; transition: background .25s ease, scale .25s ease; width: 56px; }
  .review-controls button:hover { background: var(--tomato); color: white; scale: 1.08; }

  .plans { padding-bottom: clamp(110px, 14vw, 220px); }
  .plans-intro { margin-bottom: 70px; }
  .plan-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
  .plan-card { border: 1px solid var(--line); border-radius: var(--radius-md); display: flex; flex-direction: column; min-height: 660px; padding: clamp(26px, 3vw, 46px); transition: border-radius .45s ease, translate .45s cubic-bezier(.2,.75,.2,1); }
  .plan-card:hover { border-radius: 70px 20px 70px 20px; translate: 0 -8px; }
  .plan-base { background: var(--paper-strong); }
  .plan-comfort { background: var(--sun); border-color: transparent; }
  .plan-premium { background: var(--ink); color: white; }
  .plan-head { align-items: center; display: flex; font-size: 12px; font-weight: 750; justify-content: space-between; letter-spacing: .07em; text-transform: uppercase; }
  .plan-head i { align-items: center; border: 1px solid currentColor; border-radius: 50%; display: flex; height: 42px; justify-content: center; width: 42px; }
  .plan-card h3 { font-size: clamp(44px, 4vw, 64px); letter-spacing: -.06em; margin-top: 64px; }
  .price { font-size: clamp(28px, 2.6vw, 42px); font-weight: 750; letter-spacing: -.04em; margin-top: 10px; }
  .plan-text { color: color-mix(in oklch, currentColor 62%, transparent); font-size: 15px; line-height: 1.5; margin-top: 18px; max-width: 330px; }
  .plan-card ul { border-top: 1px solid color-mix(in oklch, currentColor 22%, transparent); display: grid; gap: 13px; margin-top: 34px; padding-top: 28px; }
  .plan-card li { align-items: center; display: flex; font-size: 14px; gap: 10px; }
  .plan-card li i { align-items: center; background: color-mix(in oklch, currentColor 12%, transparent); border-radius: 50%; display: flex; height: 23px; justify-content: center; width: 23px; }
  .plan-button { align-items: center; border: 1px solid currentColor; border-radius: 999px; display: flex; font-weight: 750; justify-content: space-between; margin-top: auto; min-height: 58px; padding: 0 20px; transition: background .3s ease, color .3s ease; width: 100%; }
  .plan-button:hover { background: var(--tomato); border-color: var(--tomato); color: white; }
  .plans-note { color: var(--ink-soft); font-size: 12px; margin-top: 20px; text-align: center; }

  .faq { display: grid; gap: clamp(50px, 8vw, 150px); grid-template-columns: .78fr 1.22fr; padding-bottom: clamp(110px, 14vw, 220px); }
  .faq-intro { align-self: start; position: sticky; top: 120px; }
  .faq-intro h2 { font-size: clamp(56px, 7vw, 108px); margin: 42px 0 34px; }
  .faq-intro p:not(.section-label) { color: var(--ink-soft); font-size: 16px; line-height: 1.5; max-width: 350px; }
  .faq-intro > :is(a, button) { align-items: center; border-bottom: 1px solid; display: inline-flex; font-weight: 750; gap: 20px; margin-top: 30px; padding-bottom: 8px; }
  .faq-list { border-top: 1px solid var(--ink); }
  .faq-item { border-bottom: 1px solid var(--line); }
  .faq-item > button { align-items: center; display: grid; gap: 20px; grid-template-columns: 34px 1fr 40px; min-height: 106px; text-align: left; width: 100%; }
  .faq-item button > span { color: var(--tomato); font-size: 11px; font-weight: 750; }
  .faq-item button strong { font-size: clamp(18px, 1.8vw, 27px); letter-spacing: -.025em; }
  .faq-item button > i { align-items: center; background: var(--paper-strong); border-radius: 50%; display: flex; font-size: 23px; font-style: normal; height: 40px; justify-content: center; transition: background .3s ease, rotate .3s ease; width: 40px; }
  .faq-item:is(:hover, .is-open) button > i { background: var(--sun); }
  .faq-answer { display: grid; grid-template-rows: 0fr; opacity: 0; transition: grid-template-rows .45s cubic-bezier(.2,.75,.2,1), opacity .3s ease; }
  .faq-answer > p { color: var(--ink-soft); font-size: 15px; line-height: 1.6; max-width: 620px; overflow: hidden; padding: 0 60px 0 54px; }
  .faq-item.is-open .faq-answer { grid-template-rows: 1fr; opacity: 1; }
  .faq-item.is-open .faq-answer > p { padding-bottom: 34px; }

  .final-cta { align-items: center; background: var(--blue); border-radius: var(--radius-lg); color: white; display: flex; flex-direction: column; margin: 0 12px 12px; min-height: 740px; overflow: hidden; padding: 90px var(--gutter); position: relative; text-align: center; }
  .final-cta > p { font-size: 12px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
  .final-cta h2 { font-size: clamp(64px, 9vw, 145px); margin: auto 0; position: relative; z-index: 2; }
  .final-cta h2 em { color: var(--sun); }
  .final-cta .button { position: relative; z-index: 2; }
  .cta-orbit { aspect-ratio: 1; border: 1px solid color-mix(in oklch, white 22%, transparent); border-radius: 50%; left: 50%; position: absolute; top: 50%; translate: -50% -50%; width: min(68vw, 900px); }
  .cta-orbit::before, .cta-orbit::after { border: 1px solid color-mix(in oklch, white 17%, transparent); border-radius: 50%; content: ""; inset: 13%; position: absolute; }
  .cta-orbit::after { inset: 30%; }
  .cta-orbit > span, .cta-orbit > i, .cta-orbit > b { border-radius: 50%; height: 24px; offset-path: circle(50% at 50% 50%); position: absolute; width: 24px; }
  .cta-orbit > span { background: var(--sun); offset-distance: 8%; }
  .cta-orbit > i { background: var(--tomato); offset-distance: 42%; }
  .cta-orbit > b { background: var(--lime); offset-distance: 78%; }

  .contact-dialog {
    background: transparent;
    border: 0;
    height: 100%;
    max-height: none;
    max-width: none;
    padding: 0;
    width: 100%;
  }
  .contact-dialog::backdrop { background: color-mix(in oklch, var(--ink) 64%, transparent); backdrop-filter: blur(12px) saturate(.75); }
  .contact-dialog:focus-visible { outline: 0; }
  .dialog-card {
    background: var(--paper);
    border: 1px solid color-mix(in oklch, white 55%, transparent);
    border-radius: var(--radius-lg);
    box-shadow: 0 32px 100px color-mix(in oklch, var(--ink) 35%, transparent);
    left: 50%;
    max-height: calc(100dvh - 32px);
    overflow: auto;
    padding: clamp(30px, 5vw, 72px);
    position: absolute;
    text-align: left;
    top: 50%;
    translate: -50% -50%;
    width: min(760px, calc(100% - 32px));
  }
  .contact-dialog[open] .dialog-card { animation: dialog-in .45s cubic-bezier(.2,.8,.2,1) both; }
  .dialog-close { align-items: center; background: var(--paper-strong); border: 1px solid var(--line); border-radius: 50%; display: flex; font-size: 27px; height: 48px; justify-content: center; position: absolute; right: 22px; top: 22px; width: 48px; }
  .dialog-kicker { color: var(--tomato); font-size: 11px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
  .dialog-card h2 { font-size: clamp(46px, 6vw, 76px); line-height: .88; margin: 38px 0 28px; }
  .dialog-card h2 em { color: var(--blue); }
  .dialog-text { color: var(--ink-soft); font-size: 16px; line-height: 1.55; max-width: 570px; text-wrap: pretty; }
  .contact-address { align-items: center; background: var(--sun); border-radius: 22px; display: grid; gap: 8px 16px; grid-template-columns: 1fr auto; margin-top: 34px; padding: 20px; }
  .contact-address > span { font-size: 10px; font-weight: 800; grid-column: 1; letter-spacing: .1em; text-transform: uppercase; }
  .contact-address strong { font-size: clamp(17px, 2.4vw, 24px); grid-column: 1; letter-spacing: -.03em; overflow-wrap: anywhere; }
  .contact-address button { background: var(--ink); border-radius: 999px; color: white; font-size: 12px; font-weight: 750; grid-column: 2; grid-row: 1 / 3; min-height: 46px; padding: 0 18px; }
  .dialog-mail { align-items: center; background: var(--tomato); border-radius: 999px; color: white; display: inline-flex; font-weight: 750; gap: 22px; margin-top: 20px; min-height: 56px; padding: 0 22px; }
  .dialog-card > small { color: var(--ink-soft); display: block; font-size: 11px; line-height: 1.45; margin-top: 14px; }

  footer { background: var(--ink); color: white; padding: clamp(70px, 8vw, 120px) var(--gutter) 30px; }
  .footer-main { align-items: end; border-bottom: 1px solid color-mix(in oklch, white 18%, transparent); display: grid; gap: 40px; grid-template-columns: 1fr 1fr 2fr; padding-bottom: 70px; }
  .footer-logo { font-size: clamp(90px, 12vw, 190px); font-weight: 900; letter-spacing: -.11em; line-height: .65; }
  .footer-main > p { color: color-mix(in oklch, white 62%, transparent); font-size: 15px; line-height: 1.55; }
  .footer-email { font-size: clamp(22px, 3vw, 48px); font-weight: 650; justify-self: end; letter-spacing: -.045em; }
  .footer-links { display: grid; gap: 40px; grid-template-columns: repeat(3, 1fr); margin-left: 50%; padding-block: 64px; }
  .footer-links > div { display: flex; flex-direction: column; gap: 12px; }
  .footer-links span { color: var(--cyan); font-size: 11px; font-weight: 750; letter-spacing: .08em; margin-bottom: 10px; text-transform: uppercase; }
  .footer-links a, .footer-links p { color: color-mix(in oklch, white 72%, transparent); font-size: 14px; line-height: 1.5; }
  .footer-links a:hover { color: var(--sun); }
  .footer-bottom { border-top: 1px solid color-mix(in oklch, white 18%, transparent); color: color-mix(in oklch, white 52%, transparent); display: flex; font-size: 11px; justify-content: space-between; padding-top: 26px; }
  .footer-bottom button { color: white; }
}

@layer motion {
  @keyframes hero-line { to { translate: 0 0; } }
  @keyframes marquee { to { translate: -50% 0; } }
  @keyframes meter { to { transform: scaleX(1); } }
  @keyframes route { to { --route: 100%; } }
  @keyframes view-reveal { from { opacity: 0; translate: 0 48px; } to { opacity: 1; translate: 0 0; } }
  @keyframes orbit { to { offset-distance: 100%; } }
  @keyframes dialog-in { from { opacity: 0; scale: .94; translate: -50% calc(-50% + 28px); } to { opacity: 1; scale: 1; translate: -50% -50%; } }

  .reveal { opacity: 0; translate: 0 34px; transition: opacity .8s ease, translate .8s cubic-bezier(.2,.75,.2,1); }
  .reveal.is-visible { opacity: 1; translate: 0 0; }

  @supports (animation-timeline: scroll()) {
    .scroll-meter { animation: meter linear both; animation-timeline: scroll(root block); }
    .step-route span { animation: route linear both; animation-range: entry 25% cover 75%; animation-timeline: view(block); }
    .cta-orbit > span, .cta-orbit > i, .cta-orbit > b { animation: orbit linear both; animation-timeline: view(block); }
  }

  @supports (animation-timeline: view()) {
    .reveal { animation: view-reveal linear both; animation-range: entry 8% cover 30%; animation-timeline: view(block); opacity: 1; translate: none; transition: none; }
  }

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

@layer responsive {
  @container product-zone (max-width: 900px) {
    .product-card { grid-column: span 6; min-height: 430px; }
    .product-6 { display: flex; }
    .product-6 .device-orbit { left: 50%; right: auto; top: 44%; translate: -50% -50%; width: min(56%, 270px); }
  }

  @media (max-width: 980px) {
    .site-header { grid-template-columns: auto 1fr auto; }
    .nav { background: var(--paper); border: 1px solid var(--line); border-radius: 26px; box-shadow: var(--shadow); display: grid; gap: 0; left: 0; opacity: 0; padding: 16px; pointer-events: none; position: absolute; right: 0; top: calc(100% + 10px); transform: translateY(-10px); transition: opacity .3s ease, transform .3s ease; }
    .nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
    .nav :is(button, a) { font-size: 18px; padding: 15px; text-align: left; }
    .menu-toggle { display: grid; }
    .menu-toggle span { grid-area: 1/1; }
    .menu-toggle span:first-child { translate: 0 -4px; }
    .menu-toggle span:last-child { translate: 0 4px; }
    .menu-toggle.is-open span:first-child { rotate: 45deg; translate: 0 0; }
    .menu-toggle.is-open span:last-child { rotate: -45deg; translate: 0 0; }
    .hero { min-height: 900px; }
    .hero-copy { max-width: 76vw; }
    .hero-art img { object-position: 58% center; opacity: .72; }
    .hero-art::after { background: linear-gradient(90deg, var(--paper) 0 33%, transparent 76%); content: ""; inset: 0; position: absolute; }
    .sticker-security { right: 7%; top: 32%; }
    .sticker-climate { right: 24%; }
    .signal-strip { grid-template-columns: repeat(3, 1fr); }
    .signal-strip > i { display: none; }
    .signal-strip > p { grid-column: 1/-1; justify-self: start; margin-top: 20px; }
    .section-intro { grid-template-columns: 1fr 2.3fr; }
    .section-intro h2 { grid-column: 1/-1; }
    .section-intro > p:last-child { grid-column: 2; }
    .steps { gap: 20px; }
    .step-route { display: none; }
    .review-stage { min-height: 560px; }
    .plan-grid { grid-template-columns: 1fr; }
    .plan-card { min-height: auto; }
    .plan-button { margin-top: 42px; }
    .faq { grid-template-columns: 1fr; }
    .faq-intro { position: static; }
    .footer-main { grid-template-columns: 1fr 1fr; }
    .footer-email { grid-column: 1/-1; justify-self: start; }
    .footer-links { margin-left: 0; }
  }

  @media (max-width: 680px) {
    :root { --gutter: 16px; }
    .site-header { left: 12px; right: 12px; top: 10px; }
    .brand small { display: none; }
    .header-cta { min-height: 44px; padding: 0 14px; }
    .header-cta span { display: none; }
    .hero { min-height: 860px; padding-top: 122px; }
    .hero-copy { max-width: none; }
    .hero-kicker { margin-bottom: 54px; }
    .hero h1 { font-size: clamp(56px, 19.5vw, 88px); line-height: .84; }
    .hero-lead { font-size: 17px; max-width: 88%; }
    .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
    .hero-art img { object-position: 68% bottom; opacity: .55; }
    .hero-art::after { background: linear-gradient(180deg, var(--paper) 0 42%, transparent 72%); }
    .status-sticker { font-size: 11px; padding: 9px 11px; }
    .sticker-security { bottom: 24%; right: 5%; top: auto; }
    .sticker-climate { bottom: 15%; left: 6%; right: auto; }
    .sticker-light { bottom: 7%; }
    .hero-index, .scroll-note { display: none; }
    .signal-strip { gap: 20px 10px; grid-template-columns: 1fr 1fr; padding: 28px 18px; }
    .signal-strip > div { flex-direction: column; gap: 2px; }
    .signal-strip > div:nth-of-type(3) { display: none; }
    .signal-strip > p { font-size: 28px; }
    .section-intro { display: block; }
    .section-intro h2 { margin: 35px 0 25px; }
    .section-intro > p:last-child { margin-left: 16%; }
    .product-zone { display: flex; margin-inline: -16px; overflow-x: auto; padding: 0 16px 24px; scroll-padding-left: 16px; scroll-snap-type: x mandatory; }
    .product-card { flex: 0 0 84vw; min-height: 440px; scroll-snap-align: start; }
    .product-6 { display: flex; }
    .product-6 .device-orbit { left: 50%; right: auto; top: 44%; translate: -50% -50%; width: min(56%, 270px); }
    .how { margin-inline: 6px; }
    .how-title h2 { margin-bottom: 60px; }
    .steps { grid-template-columns: 1fr; }
    .step-visual { aspect-ratio: 1.6; }
    .step { display: grid; gap: 12px; grid-template-columns: 1fr; }
    .compatibility { padding-block: 32px; }
    .review-stage { min-height: 0; padding-bottom: 34px; }
    .review-stage blockquote { font-size: clamp(32px, 10.2vw, 44px); letter-spacing: -.055em; line-height: .98; padding-bottom: 190px; text-wrap: pretty; }
    .review-person { bottom: 100px; left: 34px; }
    .review-controls { bottom: 34px; left: 34px; right: auto; }
    .plan-card { padding: 28px; }
    .faq-item > button { gap: 10px; grid-template-columns: 28px 1fr 40px; min-height: 92px; }
    .faq-answer > p { padding-left: 38px; padding-right: 10px; }
    .final-cta { min-height: 650px; padding-inline: 22px; }
    .dialog-card { border-radius: 30px; padding: 34px 22px 26px; }
    .dialog-close { height: 42px; right: 16px; top: 16px; width: 42px; }
    .dialog-card h2 { font-size: clamp(42px, 13vw, 58px); margin-top: 44px; }
    .contact-address { grid-template-columns: 1fr; }
    .contact-address button { grid-column: 1; grid-row: auto; margin-top: 6px; width: 100%; }
    .footer-main { grid-template-columns: 1fr; }
    .footer-email { overflow-wrap: anywhere; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-links > div:last-child { grid-column: 1/-1; }
    .footer-bottom { flex-wrap: wrap; gap: 20px; }
    .footer-bottom > span:nth-child(2) { display: none; }
  }
}
