@layer reset, base, components, sections, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 92px; }
  body, h1, h2, h3, p, figure, dl, dd, ol, ul { margin: 0; }
  button, input, textarea { font: inherit; }
  img, svg { display: block; max-width: 100%; }
  a { color: inherit; }
}

@layer base {
  :root {
    --black: #080b09;
    --ink: #111512;
    --muted: #666e69;
    --line: #d9ddd7;
    --paper: #f3f2ed;
    --white: #fff;
    --amber: #f2bc35;
    --amber-soft: #ffe6a0;
    --green: #15342a;
    --shell: min(1440px, calc(100vw - 80px));
    --sans: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  }

  body {
    min-width: 320px;
    overflow-x: clip;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
  }

  body.menu-open { overflow: hidden; }
  h1, h2, h3 { font-weight: 530; letter-spacing: -.06em; line-height: .94; }
  :where(h1, h2, h3, p, li, dt, dd, a, summary, strong, span) { overflow-wrap: anywhere; }
  h1 { font-size: clamp(4rem, 8.2vw, 9.2rem); }
  h2 { font-size: clamp(3.2rem, 6.5vw, 7.3rem); }
  h3 { font-size: clamp(1.55rem, 2.4vw, 2.6rem); }
  .section { padding: clamp(6.5rem, 10vw, 11rem) 0; }
  .section-dark { color: var(--white); background: radial-gradient(ellipse at 12% 0%, rgba(35, 77, 62, .55), transparent 42%), var(--black); }
  .eyebrow {
    color: #68706a;
    font-size: .7rem;
    font-weight: 850;
    letter-spacing: .17em;
    text-transform: uppercase;
  }
  .eyebrow.amber { color: var(--amber); }
  .section-head { width: var(--shell); margin-inline: auto; }
  .section-head.centered { text-align: center; }
  .section-head h2 { margin-top: 1.3rem; }
  .section-head > p:last-child { max-width: 680px; margin: 1.8rem auto 0; color: var(--muted); font-size: 1.05rem; }
  .light-head > p:last-child { color: #9da6a1; }

  :focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }
  .skip-link {
    position: fixed;
    z-index: 100;
    top: .7rem;
    left: .7rem;
    padding: .8rem 1rem;
    color: #fff;
    background: #000;
    transform: translateY(-160%);
    transition: transform .2s;
  }
  .skip-link:focus { transform: none; }
}

@layer components {
  .site-header {
    position: fixed;
    z-index: 50;
    top: 0;
    left: 0;
    width: 100%;
    height: 76px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    padding: 0 max(24px, calc((100vw - 1440px) / 2));
    color: #fff;
    background: rgba(8, 11, 9, .96);
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: color .3s, background .3s, border-color .3s, backdrop-filter .3s;
  }
  .site-header.scrolled,
  .site-header.menu-open { background: rgba(8, 11, 9, .985); }
  .brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; }
  .brand svg { width: 31px; height: 31px; fill: none; stroke: currentColor; stroke-width: 1.8; }
  .brand > span { display: grid; font-size: .72rem; font-weight: 900; letter-spacing: .17em; line-height: 1.15; }
  .brand small { color: var(--amber); font-size: .46rem; letter-spacing: .24em; }
  .site-header nav { min-width: 0; display: flex; justify-content: center; gap: clamp(1rem, 2.3vw, 2.5rem); }
  .site-header nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; transition: color .2s; }
  html[lang="fi"] .site-header nav { gap: clamp(.8rem, 1.65vw, 1.8rem); }
  html[lang="fi"] .site-header nav a { font-size: .62rem; letter-spacing: .065em; }
  .site-header nav a:hover { color: var(--amber); }
  .button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: 0 1.6rem;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    font-size: .68rem;
    font-weight: 850;
    letter-spacing: .09em;
    text-decoration: none;
    text-transform: uppercase;
    transition: transform .2s, color .2s, background .2s, border-color .2s;
  }
  .header-tools { display: flex; align-items: center; gap: .75rem; }
  .language-switcher { display: inline-flex; align-items: center; padding: 3px; border: 1px solid rgba(255, 255, 255, .2); border-radius: 999px; background: rgba(255, 255, 255, .06); }
  .language-switcher a,
  .language-switcher button { width: 33px; height: 30px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 999px; color: #c7d0cb; background: transparent; font-size: .58rem; font-weight: 850; letter-spacing: .08em; text-decoration: none; }
  .language-switcher .is-active { color: var(--black); background: #fff; }
  .language-switcher button:disabled { cursor: not-allowed; opacity: .52; }
  .language-dropdown { position: relative; }
  .language-dropdown summary { display: flex; align-items: center; gap: .6rem; min-height: 44px; padding: .5rem .8rem; border: 1px solid rgba(255, 255, 255, .2); border-radius: 999px; cursor: pointer; list-style: none; font-size: .72rem; font-weight: 750; }
  .language-dropdown summary::-webkit-details-marker { display: none; }
  .language-dropdown summary::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); }
  .language-dropdown[open] summary::after { transform: translateY(2px) rotate(225deg); }
  .language-options { position: absolute; top: calc(100% + .5rem); right: 0; min-width: 140px; padding: .4rem; border: 1px solid #465a50; border-radius: 14px; color: #fff; background: #111b15; box-shadow: 0 12px 28px rgba(0, 0, 0, .25); }
  .language-options a { display: flex; align-items: center; gap: .6rem; min-height: 44px; padding: .5rem .8rem; border-radius: 9px; font-size: .8rem; text-decoration: none; }
  .language-dropdown [aria-hidden="true"] { flex: 0 0 auto; font-size: 1rem; line-height: 1; }
  .language-options a:hover { background: #263c30; }
  .language-options a[aria-current="page"] { color: var(--black); background: var(--amber); }
  .button:hover { transform: translateY(-2px); }
  .button:disabled { cursor: not-allowed; transform: none; }
  .button-dark { color: #fff; background: var(--black); }
  .button-light { border-color: #a9aea9; background: rgba(255, 255, 255, .28); }
  .button-amber { color: var(--black); background: var(--amber); }
  .menu-toggle { display: none; width: 46px; height: 46px; border: 0; color: inherit; background: transparent; }
  .menu-toggle span { display: block; width: 23px; height: 1.5px; margin: 6px auto; background: currentColor; transition: transform .25s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .actions { display: flex; flex-wrap: wrap; gap: .7rem; }
  .text-link { display: inline-flex; align-items: center; gap: .7rem; font-size: .78rem; font-weight: 850; text-decoration: none; }
  .text-link span { font-size: 1.15rem; transition: transform .2s; }
  .text-link:hover span { transform: translate(3px, 3px); }
}

@layer sections {
  .hero {
    position: relative;
    isolation: isolate;
    min-height: 100svh;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 9rem max(40px, calc((100vw - 1440px) / 2)) 5rem;
    background: linear-gradient(122deg, #f1d77f 0%, #f7f4e9 30%, #eef2eb 60%, #cbd8cf 100%);
  }
  .hero::before {
    content: "";
    position: absolute;
    z-index: -1;
    top: -20%;
    left: -18%;
    width: 82vw;
    height: 52vw;
    border-radius: 50%;
    background: linear-gradient(125deg, rgba(21, 52, 42, .3), rgba(242, 188, 53, .22), rgba(255, 255, 255, .04));
    filter: blur(95px);
    transform: rotate(14deg);
  }
  .hero::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 0;
    background: radial-gradient(circle at 78% 48%, rgba(255, 255, 255, .94), transparent 26%), linear-gradient(90deg, transparent 0 73%, rgba(255, 255, 255, .3));
  }
  .hero-light {
    position: absolute;
    z-index: -1;
    top: -20%;
    right: -10%;
    width: 58vw;
    height: 58vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 235, 161, .92) 0%, rgba(242, 188, 53, .18) 36%, transparent 66%);
    filter: blur(10px);
  }
  .hero-copy { position: relative; z-index: 2; min-width: 0; max-width: 760px; }
  .hero-copy > .eyebrow { margin-bottom: 1.15rem; color: #344b41; }
  .hero-copy h1 { margin-top: 0; }
  html[lang="fi"] .hero-copy h1 { font-size: clamp(3.6rem, 6vw, 7.4rem); }
  .hero-intro { max-width: 660px; margin: 1.25rem 0 0; color: #424b45; font-size: clamp(1.02rem, 1.32vw, 1.26rem); }
  .hero-wordplay { max-width: 610px; margin: .7rem 0 .35rem; color: #946500; font-size: clamp(1.18rem, 1.5vw, 1.42rem); font-weight: 740; letter-spacing: -.025em; line-height: 1.35; }
  .hero-wordplay span { color: var(--black); font-weight: 860; }
  .hero-benefits { display: grid; gap: .62rem; margin: 1.35rem 0 0; padding: 0; list-style: none; }
  .hero-benefits li { display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: .85rem; align-items: center; color: #111512; font-size: clamp(1.12rem, 1.55vw, 1.48rem); font-weight: 680; letter-spacing: -.03em; line-height: 1.15; }
  .benefit-icon { position: relative; width: 50px; height: 50px; display: grid; place-items: center; color: var(--green); }
  .benefit-icon svg { width: 42px; height: 42px; fill: none; stroke: currentColor; stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; }
  .benefit-icon .icon-accent { stroke: #946500; stroke-width: 1.9; }
  .hero-product { position: relative; align-self: stretch; min-height: 660px; display: grid; place-items: center; padding: 1rem 0; }
  .hero-product img {
    position: static;
    width: min(48vw, 650px);
    height: auto;
    max-height: 610px;
    align-self: center;
    object-fit: contain;
    filter: drop-shadow(35px 45px 35px rgba(0, 0, 0, .18));
  }
  .scroll-cue { position: absolute; left: 50%; bottom: 2rem; display: grid; justify-items: center; gap: .6rem; color: var(--black); font-size: .62rem; font-weight: 900; letter-spacing: .15em; text-decoration: none; text-transform: uppercase; }
  .scroll-cue span { animation: discover-pulse 3.2s ease-in-out infinite; }
  .scroll-cue i { display: block; width: 2px; height: 32px; background: #786018; transform-origin: top; animation: discover-line 3.2s ease-in-out infinite; }
  @keyframes discover-pulse { 0%, 100% { opacity: .58; } 50% { opacity: 1; } }
  @keyframes discover-line { 0%, 100% { opacity: .42; transform: scaleY(.7); } 50% { opacity: 1; transform: scaleY(1); } }

  .fact-rail { --line: rgba(255, 255, 255, .16); display: grid; grid-template-columns: .8fr 1.25fr .65fr .8fr .65fr 1.35fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: #fff; background: #10271f; }
  .fact-rail div { min-width: 0; display: grid; gap: .45rem; padding: 1.7rem clamp(1rem, 2.4vw, 2.6rem); border-right: 1px solid var(--line); }
  .fact-rail div:last-child { border: 0; }
  .fact-rail span { color: #c2d3cb; font-size: .6rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
  .fact-rail strong { color: #fff; font-size: clamp(.92rem, 1.35vw, 1.35rem); font-weight: 580; letter-spacing: -.035em; line-height: 1.2; }

  .northern-seasons { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 2rem clamp(2rem, 6vw, 6rem); align-items: center; padding: clamp(3rem, 5vw, 5rem) max(20px, calc((100vw - 1440px) / 2)); background: #eeede7; }
  .northern-seasons h2 { margin: 1rem 0 0; font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1.05; }
  .seasons-snowflake { display: block; width: clamp(140px, 14vw, 200px); max-width: 100%; height: auto; margin: 0 0 1.5rem; color: #6fa8cc; fill: none; stroke: currentColor; stroke-width: .65; stroke-linecap: round; stroke-linejoin: round; }
  .seasons-copy { min-width: 0; max-width: 680px; color: #424b45; font-size: .95rem; line-height: 1.7; }
  .seasons-copy p { margin: 0; }
  .seasons-copy p + p { margin-top: .85rem; }
  .seasons-copy strong { color: var(--green); }
  .seasons-copy .seasons-output { padding-top: .85rem; border-top: 1px solid #bfc4bd; font-size: .78rem; }

  .technology { display: grid; grid-template-columns: .9fr 1.1fr; min-height: 900px; }
  .technology-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(5rem, 8vw, 10rem) max(40px, calc((100vw - 1440px) / 2)); padding-right: clamp(3rem, 7vw, 8rem); }
  .technology-copy h2 { margin: 1.3rem 0 1.8rem; }
  .technology-copy > p:not(.eyebrow) { color: #a4ada8; font-size: 1rem; }
  .process-list { margin-top: 3rem; padding: 0; list-style: none; }
  .process-list li { display: grid; grid-template-columns: 54px 1fr; gap: 1rem; padding: 1.3rem 0; border-top: 1px solid rgba(255, 255, 255, .16); }
  .process-list li > span { color: var(--amber); font-size: .66rem; font-weight: 850; letter-spacing: .12em; }
  .process-list strong { font-size: .92rem; }
  .process-list p { margin-top: .3rem; color: #8d9792; font-size: .76rem; }
  .airflow-card { position: relative; min-height: 900px; overflow: hidden; color: var(--ink); background: linear-gradient(145deg, #f5f4ef, #d8dbd5); }
  .airflow-card::before { content: ""; position: absolute; top: -18%; left: -24%; width: 82%; aspect-ratio: 1; border-radius: 50%; background: linear-gradient(135deg, rgba(242, 188, 53, .48), rgba(21, 52, 42, .18), transparent 66%); filter: blur(70px); }
  .sun-disc { position: absolute; top: 11%; left: 11%; width: 120px; aspect-ratio: 1; border-radius: 50%; background: #f7cc5e; box-shadow: 0 0 85px 30px rgba(242, 188, 53, .32); }
  .space-label { position: absolute; z-index: 5; top: 2rem; color: #6f7671; font-size: .58rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
  .space-label-out { left: 2rem; }
  .space-label-in { right: 2rem; }
  .diagram-wall { position: absolute; z-index: 1; left: 53%; top: 0; bottom: 0; width: 14%; border-left: 1px solid #b8bdb7; border-right: 1px solid #c9cdc8; background: linear-gradient(90deg, #c8cbc5, #e3e4df 45%, #cfd2cc); box-shadow: -20px 0 45px rgba(15, 20, 17, .12); }
  .diagram-wall i { position: absolute; left: 50%; width: 64px; height: 64px; border: 8px solid #a8ada7; border-radius: 50%; background: #f5f4ef; box-shadow: inset 0 0 0 1px #777e79; transform: translate(-50%, -50%); }
  .diagram-wall i:first-child { top: 40%; }
  .diagram-wall i:last-child { top: 62%; }
  .diagram-panel { position: absolute; z-index: 3; left: 14%; top: 25%; width: 31%; height: 54%; animation: panel-drift 7s ease-in-out infinite; }
  .diagram-panel img { width: 100%; height: 100%; object-fit: contain; filter: grayscale(1) contrast(1.18) drop-shadow(14px 20px 15px rgba(0, 0, 0, .24)); }
  .air-path { position: absolute; z-index: 4; left: 42%; width: 43%; height: 1px; background: var(--amber); animation: air-flow 2.8s ease-in-out infinite; }
  .air-path::after { content: ""; position: absolute; right: 0; top: -4px; width: 9px; height: 9px; border-top: 2px solid var(--amber); border-right: 2px solid var(--amber); transform: rotate(45deg); }
  .air-path span { position: absolute; top: -26px; color: #3e4641; font-size: .58rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
  .air-in { top: 62%; transform: scaleX(-1); animation-delay: .6s; }
  .air-in span { right: 0; transform: scaleX(-1); }
  .air-out { top: 40%; }
  .air-out span { left: 18%; }
  @keyframes air-flow { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
  @keyframes panel-drift { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
  .airflow-card > p { position: absolute; z-index: 5; right: 1.4rem; bottom: 1.4rem; padding: .7rem .9rem; color: #fff; background: rgba(8, 11, 9, .84); font-size: .58rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
  .airflow-preview-main { padding-top: 76px; }
  .block-workspace-note { width: var(--shell); margin: 0 auto; padding: 2rem 0; }
  .block-workspace-note > p:last-child { max-width: 720px; margin-top: .6rem; color: var(--muted); font-size: .82rem; }
  .airflow-preview-page .technology-copy h1 { margin: 1.3rem 0 1.8rem; font-size: clamp(3.2rem, 6.5vw, 7.3rem); }

  .calculator { background: #e8e9e5; }
  .calculator-head { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 5rem; }
  .calculator-head > p { margin: 0 0 .5rem !important; }
  .calculator-shell { width: var(--shell); margin: 4rem auto 0; padding: clamp(1.25rem, 3vw, 2.6rem); border-radius: 28px; color: #f5f6f3; background: #0d110e; box-shadow: 0 35px 80px rgba(0, 0, 0, .16); }
  .calculator-form { padding: 1rem; }
  .field-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; }
  .field-grid label { display: grid; gap: .55rem; }
  .field-grid label > span:first-child { color: #919b95; font-size: .63rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
  .input-wrap { display: grid; grid-template-columns: 1fr auto; align-items: center; border: 1px solid #303732; border-radius: 12px; background: #171c18; }
  .input-wrap input { width: 100%; min-width: 0; padding: .95rem; border: 0; color: #fff; background: transparent; font-size: 1.15rem; }
  .input-wrap input:focus { outline: 0; }
  .input-wrap:focus-within { outline: 3px solid var(--amber); outline-offset: 2px; }
  .input-wrap i { padding-right: .8rem; color: #8e9892; font-size: .67rem; font-style: normal; }
  .calculator-form .button { margin-top: 1rem; color: #111; background: var(--amber); }
  .calculator-results { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 1rem; border-top: 1px solid #29302b; border-bottom: 1px solid #29302b; }
  .calculator-results article { display: grid; gap: .55rem; padding: 1.6rem 1.3rem; border-right: 1px solid #29302b; }
  .calculator-results article:last-child { border: 0; }
  .calculator-results .result-highlight { background: linear-gradient(145deg, rgba(242, 188, 53, .18), transparent); }
  .calculator-results span { color: #8e9892; font-size: .62rem; text-transform: uppercase; }
  .calculator-results strong { font-size: clamp(1.7rem, 3vw, 3.2rem); font-weight: 470; letter-spacing: -.05em; }
  .calculator-details { margin-top: 1rem; border: 1px solid #29302b; }
  .calculator-details summary { display: flex; justify-content: space-between; align-items: center; min-height: 54px; padding: 0 1rem; cursor: pointer; color: #dce3df; font-size: .65rem; font-weight: 850; letter-spacing: .09em; list-style: none; text-transform: uppercase; }
  .calculator-details summary::-webkit-details-marker { display: none; }
  .calculator-details summary span { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid #4a5750; border-radius: 50%; color: var(--amber); font-size: 1rem; transition: transform .2s, color .2s, background .2s; }
  .calculator-details[open] summary { border-bottom: 1px solid #29302b; }
  .calculator-details[open] summary span { color: var(--black); background: var(--amber); transform: rotate(45deg); }
  .calculator-details-content { padding: 1rem; }
  .calculator-explainer { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; border: 1px solid #29302b; }
  .calculator-explainer article { padding: 1.2rem; border-right: 1px solid #29302b; }
  .calculator-explainer article:last-child { border: 0; }
  .calculator-explainer strong { display: block; color: #e4e9e5; font-size: .7rem; }
  .calculator-explainer p { margin: .55rem 0 0; color: #89948d; font-size: .65rem; line-height: 1.55; }
  .formula-block { display: grid; grid-template-columns: auto auto 1fr; gap: 1.3rem; align-items: center; padding: 1.3rem 1rem .4rem; color: #8f9993; font-size: .68rem; }
  .formula-block code { padding: .55rem .75rem; border-radius: 7px; color: var(--amber-soft); background: #181d19; white-space: nowrap; }
  .calculator-formula { margin-top: 1rem; padding: 1.3rem 1rem; border-top: 1px solid #29302b; }
  .calculator-formula strong { color: #d6ddd8; }
  .formula-expression { min-width: 0; }
  .formula-expression code { display: inline-block; }
  .airflow-conversion { margin: .65rem 0 0; color: #b8c2bb; line-height: 1.6; }
  .calculator-temperature-note { margin: .8rem 1rem 0; padding-top: 1rem; border-top: 1px solid #29302b; color: #89948d; font-size: .67rem; line-height: 1.6; }
  .calculator-temperature-note strong { color: #d6ddd8; }
  .calculator-notes { display: grid; grid-template-columns: repeat(4, 1fr); width: var(--shell); margin: 1rem auto 0; }
  .calculator-notes article { padding: 2.3rem; border-right: 1px solid #cfd3cd; background: #f8f7f3; }
  .calculator-notes article:last-child { border: 0; }
  .calculator-notes span { color: #8c928e; font-size: .63rem; font-weight: 850; }
  .calculator-notes h3 { margin: 1.4rem 0 .8rem; font-size: 1.55rem; }
  .calculator-notes p { color: var(--muted); font-size: .78rem; }

  .applications { padding: clamp(6rem, 10vw, 10rem) 0; }
  .application-grid { display: grid; grid-template-columns: repeat(4, 1fr); width: var(--shell); margin: 4rem auto 0; border: 1px solid #242a26; }
  .application-grid article { min-height: 310px; padding: clamp(2rem, 4vw, 4rem); border-right: 1px solid #242a26; background: linear-gradient(145deg, #111713, #0b0f0c); }
  .application-grid article:last-child { border: 0; }
  .application-grid span { color: var(--amber); font-size: .63rem; font-weight: 850; letter-spacing: .1em; }
  .application-grid h3 { margin: 3rem 0 1rem; }
  .application-grid p { color: #949e98; font-size: .85rem; }

  .installations {
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 8% 16%, rgba(242, 188, 53, .18), transparent 22%),
      linear-gradient(180deg, #ebeae4 0%, #f8f7f2 48%, #e2e7e2 100%);
  }
  .mosaic-frame {
    width: min(1382px, var(--shell));
    aspect-ratio: 1382 / 766;
    margin: 3.5rem auto 0;
    overflow: hidden;
    border-radius: clamp(12px, 2vw, 28px);
    background: var(--black);
    box-shadow: 0 42px 100px rgba(11, 14, 12, .2);
  }
  .mosaic-frame img { width: 100%; height: 100%; object-fit: cover; filter: contrast(1.06); }
  .mosaic-note { width: min(900px, var(--shell)); margin: 1rem auto 0; color: #626b65; font-size: .7rem; line-height: 1.55; text-align: center; }
  .review-heading { display: grid; justify-items: center; width: var(--shell); margin: clamp(5rem, 9vw, 8rem) auto 2rem; text-align: center; }
  .review-heading h3 { margin-top: .55rem; font-size: clamp(2.8rem, 5.3vw, 5.8rem); letter-spacing: -.065em; }
  .review-carousel { position: relative; width: min(900px, var(--shell)); margin-inline: auto; overflow: hidden; border: 1px solid rgba(30, 39, 33, .16); border-radius: clamp(18px, 2.2vw, 30px); color: var(--black); background: rgba(255, 255, 255, .68); box-shadow: 0 32px 80px rgba(15, 24, 18, .11); }
  .review-carousel::before { content: ""; position: absolute; top: -210px; left: 50%; width: 540px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(242, 188, 53, .25), transparent 68%); filter: blur(12px); transform: translateX(-50%); pointer-events: none; }
  .review-viewport { position: relative; z-index: 1; min-height: 430px; outline: 0; touch-action: pan-y; }
  .review-viewport:focus-visible { outline: 3px solid var(--amber); outline-offset: -5px; }
  .review-track { min-height: inherit; }
  .review-card { min-height: 430px; display: none; flex-direction: column; align-items: center; justify-content: center; padding: clamp(3rem, 7vw, 5.5rem); text-align: center; }
  .review-card.is-active { display: flex; animation: review-in .35s ease both; }
  .review-card > span { color: #63726a; font-size: .58rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
  .review-card blockquote { position: relative; width: 100%; max-width: 720px; margin: 2rem auto; }
  .review-card blockquote::before { content: "“"; display: block; height: .55em; color: var(--amber); font-family: Georgia, serif; font-size: 4.6rem; line-height: .8; }
  .review-card blockquote p { font-size: clamp(1.25rem, 2.25vw, 2.05rem); font-weight: 500; letter-spacing: -.035em; line-height: 1.3; text-wrap: balance; }
  .review-attribution { display: grid; justify-items: center; gap: .28rem; }
  .review-attribution strong { font-size: .78rem; }
  .review-attribution small { color: #727a75; font-size: .64rem; }
  .review-navigation { position: relative; z-index: 1; display: flex; justify-content: center; align-items: center; gap: 1.2rem; min-height: 62px; padding: .8rem 1rem; border-top: 1px solid rgba(30, 39, 33, .12); }
  .review-dots { display: flex; flex-wrap: wrap; justify-content: center; gap: .08rem; }
  .review-dots button { position: relative; width: 28px; height: 28px; padding: 0; border: 0; border-radius: 50%; cursor: pointer; background: transparent; }
  .review-dots button::after { content: ""; position: absolute; top: 50%; left: 50%; width: 9px; height: 9px; border-radius: 50%; background: #bcc3be; transform: translate(-50%, -50%); transition: background .2s, transform .2s; }
  .review-dots button:hover::after { background: #77847c; transform: translate(-50%, -50%) scale(1.18); }
  .review-dots button.is-active::after { background: #a87608; transform: translate(-50%, -50%) scale(1.22); }
  .review-dots button:focus-visible,
  .review-toggle:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
  .review-toggle { min-width: 54px; padding: .35rem .55rem; border: 0; cursor: pointer; color: #68716b; background: transparent; font-size: .57rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
  .review-toggle:hover { color: var(--black); }
  .review-toggle:disabled { cursor: default; opacity: .68; }
  .review-note { width: min(900px, var(--shell)); margin: 1rem auto 0; color: #737b76; font-size: .62rem; text-align: center; }
  @keyframes review-in { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: translateY(0); } }

  .faq { background: #eeede7; }
  .faq-list { width: min(1100px, var(--shell)); margin: 4rem auto 0; border-top: 1px solid #bfc4bd; }
  .faq-list details { border-bottom: 1px solid #bfc4bd; }
  .faq-list summary { position: relative; padding: 1.7rem 4rem 1.7rem 0; cursor: pointer; font-size: clamp(1.1rem, 2vw, 1.65rem); font-weight: 650; letter-spacing: -.035em; list-style: none; }
  .faq-list summary::-webkit-details-marker { display: none; }
  .faq-highlight-star { position: absolute; top: 50%; left: -2.6rem; width: 22px; height: 22px; fill: var(--amber); stroke: #9a710a; stroke-width: .65; transform: translateY(-50%); filter: drop-shadow(0 4px 8px rgba(154, 113, 10, .18)); }
  .faq-list summary::after { content: "+"; position: absolute; top: 50%; right: .5rem; width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid #8f9690; border-radius: 50%; font-size: 1.1rem; font-weight: 400; transform: translateY(-50%); transition: transform .2s, color .2s, background .2s; }
  .faq-list details[open] summary::after { color: #fff; background: var(--black); transform: translateY(-50%) rotate(45deg); }
  .faq-list details p { max-width: 850px; padding: 0 4rem 1.8rem 0; color: #626a65; font-size: .9rem; }
  .faq-more { padding-top: 1.2rem; }
  .faq-more-button { display: inline-flex; align-items: center; gap: .8rem; min-height: 50px; padding: 0 1.2rem; border: 1px solid var(--black); border-radius: 999px; cursor: pointer; color: #fff; background: var(--black); font-size: .65rem; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
  .faq-more-button span { font-size: 1.1rem; transition: transform .2s; }
  .faq-more-button[aria-expanded="true"] span { transform: rotate(45deg); }
  .faq-more-content { margin-top: 1.2rem; border-top: 1px solid #bfc4bd; }
  .faq-more-content[hidden] { display: none; }

  .contact { position: relative; overflow: hidden; display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(4rem, 8vw, 9rem); align-items: center; padding: clamp(7rem, 11vw, 12rem) max(40px, calc((100vw - 1440px) / 2)); }
  .contact-intro h2 { margin: 1.3rem 0 0; }
  .contact-intro h2 span { color: var(--amber); }
  .contact-intro > .eyebrow { color: var(--amber); }
  .contact-details { display: grid; gap: 1.6rem; }
  .contact-lead { max-width: 610px; margin: 0; color: #b0bab4; font-size: 1.05rem; line-height: 1.65; }
  .contact-message { max-width: 610px; padding-left: 1.4rem; border-left: 3px solid var(--amber); }
  .contact-message blockquote { margin: 0; color: #f1f4f2; font-size: clamp(1.3rem, 2.1vw, 2rem); line-height: 1.5; }
  .contact-message figcaption { display: flex; flex-wrap: wrap; align-items: baseline; gap: .6rem; margin-top: 1rem; font-size: .85rem; }
  .contact-message figcaption strong { color: var(--amber); }
  .contact-message figcaption span { color: #b0bab4; font-size: .7rem; letter-spacing: .08em; }
  .contact::before { content: ""; position: absolute; right: -15%; bottom: -55%; width: min(75vw, 980px); aspect-ratio: 1; border-radius: 50%; background: linear-gradient(140deg, rgba(21, 52, 42, .75), rgba(242, 188, 53, .24), transparent 64%); filter: blur(85px); pointer-events: none; }
  .contact > * { position: relative; z-index: 1; }
  .contact-languages { display: grid; gap: .35rem; }
  .contact-languages span { font-size: 1.4rem; letter-spacing: .14em; }
  .contact-languages strong { color: #d7ddd9; font-size: .68rem; letter-spacing: .09em; text-transform: uppercase; }
  .contact-panel { padding: clamp(1rem, 2.5vw, 2rem); border: 1px solid #272d29; border-radius: 24px; background: #111612; }
  .contact-panel-simple { display: grid; gap: .8rem; padding: 0; border: 0; border-radius: 0; background: transparent; }
  .contact-primary { display: grid; grid-template-columns: auto 1fr auto; gap: 1.2rem; align-items: center; min-height: 108px; padding: 1.4rem 1.6rem; border-radius: 18px; color: var(--black); background: var(--amber); text-decoration: none; transition: transform .2s, background .2s; }
  .contact-primary:hover { transform: translateY(-3px); background: #ffd464; }
  .contact-primary > span { display: inline-flex; gap: .5rem; align-items: center; font-size: .6rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
  .contact-primary > span .contact-icon { width: 17px; height: 17px; }
  .contact-primary strong { font-size: clamp(1.4rem, 2.6vw, 2.5rem); letter-spacing: -.05em; }
  .contact-primary small { color: #625322; font-size: .62rem; }
  .contact-links { display: grid; grid-template-columns: 1.4fr 1fr; border: 1px solid #303732; border-radius: 16px; overflow: hidden; }
  .contact-links a { min-height: 58px; display: flex; align-items: center; justify-content: center; gap: .5rem; padding: .8rem; border-right: 1px solid #303732; color: #d8ded9; font-size: .67rem; font-weight: 800; text-decoration: none; }
  .contact-links a:last-child { border: 0; }
  .contact-links a:hover { color: var(--amber); background: #151b17; }
  .contact-icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

  footer { display: grid; grid-template-columns: auto 1fr; gap: 3rem; align-items: center; padding: 2.5rem max(28px, calc((100vw - 1440px) / 2)); color: #7f8782; background: #050706; }
  footer > div { display: flex; justify-content: flex-end; gap: 1rem; align-items: center; font-size: .62rem; }
  footer > div a { text-decoration: none; }
  .footer-brand { color: #fff; }

  .asset-review-page { color: #1a1d1a; background: #efeee9; }
  .asset-review-header { display: flex; justify-content: space-between; align-items: center; min-height: 76px; padding: 0 max(28px, calc((100vw - 1440px) / 2)); border-bottom: 1px solid #d5d3cc; }
  .asset-review-main { padding: clamp(4rem, 8vw, 8rem) 0; }
  .asset-review-main h1 { font-size: clamp(3.5rem, 8vw, 8rem); }
  .asset-review-section { width: var(--shell); margin: clamp(4rem, 9vw, 9rem) auto 0; }
  .asset-review-title { max-width: 760px; margin-bottom: 2rem; }
  .asset-review-title h2 { margin: .5rem 0 1rem; font-size: clamp(2.3rem, 5vw, 5rem); }
  .asset-review-title p:last-child { color: var(--muted); }
  .asset-compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .asset-compare-grid figure { overflow: hidden; border: 1px solid #cbc9c2; border-radius: 18px; background: #fff; }
  .asset-compare-grid figure > img { display: block; width: 100%; height: auto; }
  .asset-stage { display: grid; min-height: 620px; place-items: center; padding: 2rem; background: linear-gradient(145deg, #f8f7f2, #dfe3de); }
  .asset-stage img { width: auto; max-width: 88%; height: 560px; object-fit: contain; filter: drop-shadow(22px 28px 25px rgba(0, 0, 0, .2)); }
  .asset-compare-grid figcaption { padding: 1rem 1.2rem; border-top: 1px solid #dedcd5; font-size: .72rem; font-weight: 850; text-transform: uppercase; }

  .shop-page { color: var(--ink); background: #f4f3ed; }
  .shop-page .site-header { color: #fff; background: rgba(8, 11, 9, .96); border-color: rgba(255, 255, 255, .1); }
  .shop-page .brand small { color: var(--amber); }
  .shop-main { padding-top: 76px; }
  .shop-hero { min-height: calc(100svh - 76px); display: grid; grid-template-columns: 1.05fr .95fr; align-items: start; }
  .shop-gallery { position: sticky; top: 76px; min-width: 0; height: calc(100svh - 76px); display: grid; grid-template-rows: minmax(0, 1fr) auto; background: #e1e4df; }
  .shop-product-stage { position: relative; width: 100%; min-height: 0; display: grid; place-items: center; overflow: hidden; border: 0; cursor: zoom-in; color: var(--ink); background: linear-gradient(145deg, #dfe3de, #faf9f5); }
  .shop-product-stage::before { content: ""; position: absolute; width: 52%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, #ffe49a 0%, rgba(242, 188, 53, .2) 42%, transparent 72%); }
  .shop-product-stage img { position: relative; z-index: 1; width: min(42%, 360px); max-height: 560px; object-fit: contain; filter: drop-shadow(28px 34px 26px rgba(0, 0, 0, .2)); transform: translateY(-3%); }
  .gallery-hint { position: absolute; z-index: 2; right: 1.2rem; bottom: 1.2rem; padding: .55rem .75rem; border-radius: 99px; color: #fff; background: rgba(8, 11, 9, .82); font-size: .58rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
  .mobile-shop-action { display: none; border: 0; border-radius: 0; cursor: not-allowed; opacity: 1; -webkit-text-fill-color: currentColor; }
  .product-thumbnails { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: #bec4be; }
  .product-thumbnails button { position: relative; min-width: 0; height: 112px; overflow: hidden; padding: 0; border: 0; cursor: zoom-in; background: #f2f1ec; }
  .product-thumbnails img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); transition: transform .3s, opacity .3s; }
  .product-thumbnails span { position: absolute; right: .45rem; bottom: .4rem; padding: .25rem .38rem; color: #fff; background: rgba(8, 11, 9, .78); font-size: .48rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
  .product-thumbnails button:hover img { opacity: .82; transform: scale(1.04); }
  .gallery-dialog { width: min(1180px, calc(100vw - 40px)); max-width: none; height: min(88vh, 900px); max-height: none; padding: 0; border: 0; border-radius: 20px; overflow: hidden; color: #fff; background: #0a0d0b; box-shadow: 0 40px 120px rgba(0, 0, 0, .45); }
  .gallery-dialog::backdrop { background: rgba(3, 5, 4, .78); backdrop-filter: blur(8px); }
  .gallery-dialog figure { width: 100%; height: 100%; display: grid; grid-template-rows: 1fr auto; }
  .gallery-dialog img { width: 100%; height: 100%; min-height: 0; padding: 2rem; object-fit: contain; background: #e7e7e2; }
  .gallery-dialog figcaption { padding: 1rem 1.4rem; color: #c7cdc9; font-size: .68rem; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; }
  .gallery-close { position: absolute; z-index: 2; top: 1rem; right: 1rem; width: 46px; height: 46px; border: 0; border-radius: 50%; cursor: pointer; color: #fff; background: rgba(8, 11, 9, .88); font-size: 1.7rem; line-height: 1; }
  .gallery-close:hover { color: var(--black); background: var(--amber); }
  .shop-product-copy { min-width: 0; display: flex; flex-direction: column; justify-content: center; padding: clamp(3rem, 7vw, 8rem); color: #fff; background: radial-gradient(ellipse at 92% 8%, rgba(242, 188, 53, .13), transparent 27%), radial-gradient(ellipse at 7% 96%, rgba(45, 111, 84, .5), transparent 38%), linear-gradient(142deg, #080b09, #10231c 58%, #16382c); }
  .shop-product-copy > .eyebrow { color: var(--amber); }
  .shop-product-copy h1 { margin: 1.3rem 0 1.5rem; color: #fff; font-size: clamp(4rem, 7vw, 8rem); }
  .shop-product-copy h1 span { display: block; color: var(--amber); font-size: .32em; letter-spacing: -.035em; line-height: 1.25; }
  .shop-lead { max-width: 660px; color: #bdc7c1; font-size: clamp(1.05rem, 1.4vw, 1.28rem); }
  .shop-origin { display: grid; gap: .35rem; margin: 2rem 0; padding: 1.1rem 0; border-top: 1px solid #465a50; border-bottom: 1px solid #465a50; }
  .shop-origin span { color: var(--amber); font-size: .62rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
  .shop-origin strong { color: #f1f4f2; font-size: .92rem; }
  .shop-price { max-width: 660px; margin: .15rem 0 1.6rem; padding: 1.35rem 0; border-bottom: 1px solid #465a50; }
  .shop-price > div { display: flex; align-items: baseline; gap: .8rem; }
  .shop-price strong { color: #fff; font-size: clamp(2.7rem, 4.5vw, 4.7rem); font-weight: 520; letter-spacing: -.06em; line-height: 1; }
  .shop-price span { color: #d5ddd8; font-size: .64rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
  .shop-price p { max-width: 620px; margin-top: .9rem; color: #d7dfda; font-size: .72rem; font-weight: 650; line-height: 1.55; }
  .shop-purchase-action .button { min-width: min(100%, 260px); color: var(--black); background: var(--amber); }
  .shop-purchase-action .button:hover:not(:disabled) { background: #ffd464; }
  .shop-purchase-action .button:disabled { opacity: 1; -webkit-text-fill-color: currentColor; }
  .invoice-request { max-width: 660px; margin-top: 1.4rem; border-top: 1px solid #465a50; border-bottom: 1px solid #465a50; }
  .invoice-request summary { position: relative; padding: 1.15rem 2.5rem 1.15rem 0; cursor: pointer; color: #d9e0dc; font-size: .68rem; font-weight: 850; letter-spacing: .08em; line-height: 1.4; list-style: none; text-transform: uppercase; }
  .invoice-request summary::-webkit-details-marker { display: none; }
  .invoice-request summary::after { content: ""; position: absolute; top: 50%; right: .35rem; width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
  .invoice-request[open] summary::after { transform: translateY(-25%) rotate(225deg); }
  .invoice-request-panel { padding: 0 0 1.25rem; border-top: 1px solid #465a50; }
  .invoice-request-panel p { max-width: 620px; margin-top: .75rem; color: #aebbb4; font-size: .7rem; line-height: 1.6; }
  .invoice-request-panel .invoice-payment-terms { color: #c7d1cb; }
  .invoice-request a { color: var(--amber); text-underline-offset: .18em; }
  .shop-payment-note { max-width: 660px; margin-top: 1rem; color: #94a39b; font-size: .61rem; line-height: 1.55; }
  .shop-details { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem, 8vw, 9rem); width: var(--shell); margin-inline: auto; }
  .shop-details h2 { margin-top: 1.2rem; }
  .shop-detail-copy > p:not(.eyebrow) { max-width: 640px; margin-top: 1.8rem; color: var(--muted); }
  .shop-detail-copy .installation-summary strong { color: var(--green); font-weight: 850; }
  .shop-specifications { align-self: center; }
  .shop-specifications div { display: grid; grid-template-columns: 1fr 1.2fr; gap: 1.5rem; padding: 1.2rem 0; border-top: 1px solid #c9cdc7; }
  .shop-specifications dt { color: #747b76; font-size: .68rem; }
  .shop-specifications dd { font-size: .76rem; font-weight: 800; }
  .shop-strengths { padding: clamp(6rem, 10vw, 10rem) max(40px, calc((100vw - 1440px) / 2)); color: #fff; background: radial-gradient(ellipse at 88% 14%, rgba(242, 188, 53, .13), transparent 26%), radial-gradient(ellipse at 8% 100%, rgba(48, 116, 88, .55), transparent 38%), linear-gradient(142deg, #080b09, #10261e 58%, #173a2e); }
  .shop-strengths header { display: grid; grid-template-columns: .88fr 1.12fr; gap: 1rem clamp(3rem, 8vw, 9rem); align-items: end; }
  .shop-strengths header .eyebrow { grid-column: 1 / -1; }
  .shop-strengths h2 { margin: .8rem 0 0; font-size: clamp(4rem, 7vw, 8rem); line-height: .86; }
  .shop-strengths header > p:last-child { max-width: 650px; margin: 0 0 .4rem; color: #bdc8c1; font-size: 1rem; line-height: 1.75; }
  .strengths-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 4rem; border-top: 1px solid #52665c; border-bottom: 1px solid #52665c; }
  .strengths-grid article { min-height: 300px; padding: clamp(1.8rem, 3vw, 3rem); border-right: 1px solid #44574e; }
  .strengths-grid article:last-child { border-right: 0; }
  .strengths-grid span { color: var(--amber); font-size: .58rem; font-weight: 850; letter-spacing: .14em; }
  .strengths-grid h3 { margin: 3.2rem 0 1rem; color: #fff; font-size: clamp(1.7rem, 2.4vw, 2.6rem); }
  .strengths-grid p { color: #aebbb4; font-size: .78rem; line-height: 1.7; }
  .shop-performance { padding: clamp(6.5rem, 10vw, 11rem) max(40px, calc((100vw - 1440px) / 2)); }
  .shop-performance header { max-width: 900px; }
  .shop-performance h2 { margin-top: 1rem; }
  .performance-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 4rem; border-top: 1px solid #303732; border-bottom: 1px solid #303732; }
  .performance-grid article { min-height: 310px; padding: 2.4rem 2rem; border-right: 1px solid #303732; }
  .performance-grid article:last-child { border: 0; }
  .performance-grid strong { display: block; color: var(--amber); font-size: clamp(2.2rem, 3.5vw, 4rem); font-weight: 500; letter-spacing: -.06em; line-height: 1; }
  .performance-grid p { margin-top: 2.2rem; color: #aab3ad; font-size: .77rem; }
  .performance-note { max-width: 850px; margin-top: 1.3rem; color: #828d87; font-size: .65rem; }
  .founder-story { width: var(--shell); margin-inline: auto; }
  .founder-story h2 { max-width: 1100px; margin-top: 1.2rem; }
  .founder-story > p:last-child { max-width: 720px; margin: 2rem 0 0 auto; color: var(--muted); font-size: 1.03rem; }
  .shop-callout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; align-items: center; padding: clamp(6rem, 10vw, 10rem) max(40px, calc((100vw - 1440px) / 2)); color: #fff; background: var(--green); }
  .shop-callout h2 { margin-top: 1rem; }
  .shop-callout-copy p { max-width: 600px; color: #b5c2bb; }
  .shop-callout-copy .actions { margin-top: 2rem; }

  .article-page { color: #1a1d1a; background: #f2efe7; }
  .article-page .site-header { position: fixed; color: #fff; background: rgba(8, 11, 9, .96); border-color: rgba(255, 255, 255, .1); }
  .article-page .brand small { color: #aeb6b1; }
  .article-main { padding-top: 76px; }
  .article-masthead { width: min(1120px, calc(100vw - 40px)); margin: 0 auto; padding: clamp(5rem, 9vw, 9rem) 0 4rem; border-bottom: 2px solid var(--black); text-align: center; }
  .article-series { display: flex; justify-content: center; gap: 1rem; margin-bottom: 2.2rem; color: #59605b; font-size: .64rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
  .article-masthead h1 { max-width: 980px; margin-inline: auto; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3.6rem, 8vw, 8.7rem); font-weight: 500; line-height: .9; text-wrap: balance; }
  .article-deck { max-width: 760px; margin: 2rem auto 0; color: #555d57; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.1rem, 2vw, 1.45rem); line-height: 1.55; }
  .article-byline { display: flex; flex-wrap: wrap; justify-content: center; gap: .7rem 1.5rem; margin-top: 2rem; color: #6f756f; font-size: .63rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
  .article-layout { display: grid; grid-template-columns: 190px minmax(0, 720px) 260px; justify-content: center; gap: clamp(2rem, 5vw, 5rem); width: min(1220px, calc(100vw - 40px)); margin: 0 auto; padding: 4rem 0 7rem; }
  .article-index { align-self: start; position: sticky; top: 110px; display: grid; gap: .8rem; padding-top: .4rem; }
  .article-index span { font-size: .6rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
  .article-index a { color: #626964; font-size: .72rem; text-decoration: none; }
  .article-index a:hover { color: var(--black); }
  .article-body { font-family: Georgia, "Times New Roman", serif; font-size: 1.06rem; line-height: 1.82; }
  .article-body > p:first-child::first-letter { float: left; margin: .12em .12em 0 0; font-size: 4.8rem; font-weight: 700; line-height: .72; }
  .article-body h2 { margin: 3.5rem 0 1.2rem; font-family: var(--sans); font-size: clamp(2.2rem, 4vw, 4rem); }
  .article-body h3 { margin: 2.4rem 0 .7rem; font-family: var(--sans); font-size: 1.35rem; }
  .article-body ul { padding-left: 1.2rem; }
  .article-body li { margin-block: .55rem; }
  .equation-card { margin: 2.5rem 0; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid #b9b6ad; background: #fbf9f3; font-family: var(--sans); }
  .equation-card code { display: block; margin-bottom: 1.2rem; font-size: clamp(1.6rem, 3.2vw, 3rem); }
  .equation-card dl { display: grid; gap: .65rem; }
  .equation-card div { display: grid; grid-template-columns: 64px 1fr; border-top: 1px solid #d6d2c8; padding-top: .65rem; }
  .equation-card dt { font-weight: 850; }
  .equation-card dd { color: #646b66; }
  .worked-example { margin: 3rem 0; padding: 2.4rem; color: #fff; background: var(--green); font-family: var(--sans); }
  .worked-example > span { color: var(--amber); font-size: .62rem; font-weight: 850; letter-spacing: .12em; }
  .worked-example strong { display: block; margin: .7rem 0; color: var(--amber); font-size: clamp(3rem, 7vw, 6.5rem); font-weight: 480; letter-spacing: -.07em; line-height: 1; }
  .worked-example p { color: #bcc7c1; font-size: .78rem; }
  .article-aside { align-self: start; position: sticky; top: 110px; padding: 1.5rem; border-top: 3px solid var(--amber); color: #fff; background: var(--black); }
  .article-aside span { color: var(--amber); font-size: .6rem; font-weight: 850; letter-spacing: .12em; }
  .article-aside h2 { margin: .8rem 0; font-size: 1.65rem; }
  .article-aside p { color: #aeb6b1; font-size: .72rem; }
  .article-aside a { display: inline-flex; margin-top: 1rem; color: #fff; font-size: .7rem; font-weight: 850; text-decoration: none; }
  .article-disclaimer { margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid #bdbab1; color: #666d68; font-family: var(--sans); font-size: .7rem; }
}

@layer responsive {
  @media (max-width: 1100px) {
    :root { --shell: calc(100vw - 40px); }
    .site-header { grid-template-columns: 1fr auto auto; }
    .site-header nav {
      position: fixed;
      inset: 76px 0 auto;
      display: none;
      padding: 1rem 20px 2rem;
      color: #fff;
      background: rgba(8, 11, 9, .97);
    }
    .site-header nav.open { display: grid; }
    .site-header nav a,
    html[lang="fi"] .site-header nav a { padding: 1rem 0; border-bottom: 1px solid rgba(255, 255, 255, .1); font-size: .8rem; }
    .header-tools { gap: 0; }
    .menu-toggle { display: block; }
    .shop-gallery { position: static; top: auto; height: calc(100svh - 76px); min-height: 540px; }
    .shop-product-stage { min-height: 0; }
    .hero { grid-template-columns: 1fr .8fr; }
    .hero-product { min-height: 560px; }
    .technology,
    .contact,
    .shop-hero,
    .shop-details,
    .shop-callout { grid-template-columns: minmax(0, 1fr); }
    .contact > *,
    .shop-hero > *,
    .shop-details > *,
    .shop-callout > *,
    .calculator-head > * { min-width: 0; }
    .fact-rail { grid-template-columns: repeat(3, 1fr); }
    .fact-rail div:nth-child(3n) { border-right: 0; }
    .fact-rail div:nth-child(-n + 3) { border-bottom: 1px solid var(--line); }
    .technology-copy { min-height: 760px; }
    .airflow-card { min-height: 760px; }
    .calculator-head { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
    .calculator-head > p { margin: 0 !important; }
    .calculator-notes { grid-template-columns: repeat(2, 1fr); }
    .field-grid { grid-template-columns: repeat(3, 1fr); }
    .application-grid { grid-template-columns: repeat(2, 1fr); }
    .formula-block { grid-template-columns: 1fr; }
    .article-layout { grid-template-columns: minmax(0, 720px); }
    .asset-compare-grid { grid-template-columns: 1fr; }
    .shop-strengths header { grid-template-columns: 1fr; }
    .strengths-grid { grid-template-columns: 1fr; }
    .strengths-grid article { min-height: auto; border-right: 0; border-bottom: 1px solid #44574e; }
    .strengths-grid article:last-child { border-bottom: 0; }
    .performance-grid { grid-template-columns: 1fr 1fr; }
    .performance-grid article:nth-child(2) { border-right: 0; }
    .performance-grid article:nth-child(-n + 2) { border-bottom: 1px solid #303732; }
    .shop-callout { gap: 2.5rem; }
    .article-index { display: none; }
    .article-aside { position: static; }
    footer { grid-template-columns: 1fr; }
    footer > div { justify-content: flex-start; }
  }

  @media (min-width: 761px) and (max-height: 820px) {
    .hero { padding-top: 4.75rem; padding-bottom: 2rem; }
    .hero-benefits { gap: .2rem; margin-top: 1rem; }
    .hero-benefits li { grid-template-columns: 46px minmax(0, 1fr); }
    .benefit-icon { width: 42px; height: 44px; }
    .benefit-icon svg { width: 38px; height: 38px; }
    .hero-product { min-height: 500px; }
    .hero-product img { max-height: 475px; }
    .hero-intro { margin-top: .75rem; }
    .hero-wordplay { margin-top: .4rem; }
  }

  @media (max-width: 760px) {
    :root { --shell: calc(100vw - 28px); }
    h1 { font-size: clamp(3.1rem, 14vw, 5.2rem); }
    html[lang="fi"] .hero-copy h1 { font-size: clamp(2.55rem, 11vw, 4.7rem); }
    h2 { font-size: clamp(3rem, 13vw, 5.5rem); }
    .section { padding: 5.5rem 0; }
    .site-header { height: 68px; padding-inline: 16px; }
    .site-header nav { inset-block-start: 68px; }
    .brand svg { width: 27px; height: 27px; }
    .hero { min-height: auto; grid-template-columns: minmax(0, 1fr); padding: 5.75rem 20px 3.5rem; }
    .hero-copy { z-index: 3; order: -1; }
    .hero-benefits { gap: .45rem; margin-top: 1rem; }
    .hero-benefits li { grid-template-columns: 46px minmax(0, 1fr); gap: .7rem; font-size: 1rem; line-height: 1.22; }
    .benefit-icon { width: 42px; height: 44px; }
    .benefit-icon svg { width: 38px; height: 38px; }
    .hero-intro { margin-top: 1rem; font-size: .94rem; line-height: 1.5; }
    .hero-wordplay { margin: .5rem 0 .3rem; font-size: 1.04rem; line-height: 1.3; }
    .northern-seasons { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
    .seasons-snowflake { width: 120px; margin-bottom: 1.25rem; }
    .seasons-copy { font-size: .9rem; }
    .hero-copy .button { min-height: 46px; }
    .hero-product { min-height: 340px; margin-top: 2.5rem; padding: 0; }
    .hero-product img { width: min(60vw, 270px); height: auto; max-height: 330px; align-self: center; transform: none; }
    .fact-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .fact-rail div { padding: 1.2rem 1rem; }
    .fact-rail div:nth-child(3n) { border-right: 1px solid var(--line); }
    .fact-rail div:nth-child(2n) { border-right: 0; }
    .fact-rail div:nth-child(-n + 4) { border-bottom: 1px solid var(--line); }
    .scroll-cue { display: none; }
    .actions { display: grid; }
    .button { width: 100%; }
    .technology-copy { min-height: auto; padding: 5.5rem 20px; }
    .airflow-card { min-height: 570px; }
    .sun-disc { width: 86px; }
    .diagram-wall { left: 50%; width: 16%; }
    .diagram-wall i { width: 46px; height: 46px; border-width: 6px; }
    .diagram-panel { left: 7%; right: auto; top: 24%; width: 34%; }
    .air-path { left: 38%; width: 52%; }
    .air-path span { font-size: .48rem; }
    .calculator-shell { padding: .7rem; border-radius: 18px; }
    .calculator-form { padding: .6rem; }
    .field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .field-grid label:last-child { grid-column: 1 / -1; }
    .calculator-results { grid-template-columns: minmax(0, 1fr); }
    .calculator-results article { border-right: 0; border-bottom: 1px solid #29302b; }
    .calculator-results article:last-child { border-bottom: 0; }
    .calculator-explainer { grid-template-columns: 1fr; }
    .calculator-explainer article { border-right: 0; border-bottom: 1px solid #29302b; }
    .calculator-explainer article:last-child { border-bottom: 0; }
    .calculator-notes,
    .application-grid { grid-template-columns: minmax(0, 1fr); }
    .article-main { padding-top: 68px; }
    .asset-review-header { padding-inline: 16px; }
    .asset-review-header .button { width: auto; min-height: 42px; padding-inline: .9rem; }
    .asset-stage { min-height: 450px; padding: 1rem; }
    .asset-stage img { height: 410px; }
    .article-masthead { width: var(--shell); padding-top: 4rem; }
    .article-masthead h1 { font-size: clamp(3.3rem, 15vw, 5.8rem); }
    .article-layout { width: var(--shell); padding-top: 2.5rem; }
    .article-body { font-size: 1rem; }
    .worked-example { padding: 1.5rem; }
    .calculator-notes article,
    .application-grid article { border-right: 0; border-bottom: 1px solid var(--line); }
    .application-grid article { min-height: 250px; }
    .contact { padding: 5.5rem 20px; }
    .contact { gap: 3rem; }
    .review-heading { align-items: center; }
    .review-viewport,
    .review-card { min-height: 400px; }
    .review-card { padding: 2.8rem 1.35rem; }
    .review-card blockquote p { font-size: clamp(1.15rem, 5.8vw, 1.7rem); }
    .review-navigation { flex-direction: column; gap: .2rem; padding-inline: .7rem; }
    .review-dots { gap: 0; }
    .review-note { padding-inline: 12px; }
    .faq-highlight summary { padding-left: 2.25rem; }
    .faq-highlight-star { left: 0; width: 18px; height: 18px; }
    .contact-panel { padding: .7rem; }
    .contact-primary { grid-template-columns: 1fr; gap: .35rem; }
    .contact-links { grid-template-columns: 1fr; }
    .contact-links a { border-right: 0; border-bottom: 1px solid #303732; }
    .faq-list summary { padding-right: 3.3rem; }
    .faq-list details p { padding-right: 0; }
    .shop-main { padding-top: 68px; }
    .shop-hero { min-height: auto; }
    .shop-gallery { position: relative; height: min(66svh, 600px); min-height: 420px; }
    .shop-product-stage { min-height: 0; }
    .gallery-hint { display: none; }
    .mobile-shop-action { position: absolute; z-index: 4; right: 16px; bottom: 102px; left: 16px; display: flex; min-height: 52px; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 1rem; color: var(--black); background: var(--amber); box-shadow: 0 16px 34px rgba(0, 0, 0, .2); font-size: .75rem; font-weight: 900; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
    .mobile-shop-action > * { min-width: 0; }
    .mobile-shop-action small { font-size: .62rem; font-weight: 850; letter-spacing: .04em; text-align: right; }
    .shop-product-stage img { width: min(56%, 260px); max-height: min(340px, calc(66svh - 150px)); }
    .product-thumbnails { grid-template-columns: repeat(6, minmax(74px, 1fr)); overflow-x: auto; }
    .product-thumbnails button { height: 86px; }
    .gallery-dialog { width: calc(100vw - 20px); height: 84vh; border-radius: 14px; }
    .gallery-dialog img { padding: .8rem; }
    .shop-product-copy { padding: 3.2rem 20px 4.5rem; }
    .shop-price > div { align-items: flex-start; flex-direction: column; }
    .shop-details { gap: 3rem; }
    .shop-strengths { padding: 5.5rem 20px; }
    .shop-strengths h2 { font-size: clamp(3.6rem, 14vw, 5.8rem); }
    .strengths-grid { margin-top: 3rem; }
    .strengths-grid h3 { margin-top: 2rem; }
    .performance-grid { grid-template-columns: 1fr; }
    .performance-grid article { min-height: 240px; border-right: 0; border-bottom: 1px solid #303732; }
    .performance-grid article:last-child { border-bottom: 0; }
    .shop-performance { padding: 5.5rem 20px; }
    .founder-story { width: calc(100vw - 40px); }
    .shop-callout { padding: 5rem 20px; }
    footer { gap: 1.5rem; padding: 2.2rem 20px; }
    footer > div { flex-wrap: wrap; }
  }

  @media (prefers-reduced-motion: reduce) {
    html,
    .review-viewport { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  }
}