@layer reset, tokens, base, layout, components, utilities, motion;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body, h1, h2, h3, h4, p, ul, ol { margin: 0; }
  ul, ol { padding: 0; list-style: none; }
  img, svg, canvas { display: block; max-width: 100%; }
  button, input, select, textarea { font: inherit; }
  button { cursor: pointer; }
  a { color: inherit; text-decoration: none; }
}

@layer tokens {
  :root {
    --ink: #0a121a;
    --ink-2: #142433;
    --paper: #f8f7f3;
    --paper-2: #eceae4;
    --white: #ffffff;
    --brand: #365f82;
    --brand-2: #6da8cd;
    --brand-3: #a6d7ee;
    --accent: #e85d3f;
    --success: #2b8a69;
    --muted: #6d7882;
    --line: rgba(12, 28, 41, .13);
    --line-strong: rgba(12, 28, 41, .24);
    --glass: rgba(255,255,255,.78);
    --shadow-sm: 0 12px 30px rgba(6, 18, 29, .07);
    --shadow-md: 0 24px 70px rgba(6, 18, 29, .12);
    --shadow-lg: 0 44px 120px rgba(6, 18, 29, .18);
    --radius-sm: 14px;
    --radius-md: 22px;
    --radius-lg: 34px;
    --container: min(1280px, calc(100% - 40px));
    --header-h: 86px;
    --ease: cubic-bezier(.22,.61,.36,1);
  }
}

@layer base {
  body {
    min-width: 320px;
    color: var(--ink);
    background: var(--paper);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
    overflow-x: hidden;
  }
  body.is-locked { overflow: hidden; }
  ::selection { color: white; background: var(--brand); }
  :focus-visible { outline: 3px solid rgba(109,168,205,.6); outline-offset: 3px; }
  h1, h2, h3 { text-wrap: balance; }
  p { text-wrap: pretty; }
}

@layer layout {
  .container { width: var(--container); margin-inline: auto; }
  .section { position: relative; padding: clamp(86px, 10vw, 150px) 0; }
  .section--dark { color: white; background: var(--ink); }
  .section--soft { background: var(--paper-2); }
  .section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, .62fr);
    gap: 64px;
    align-items: end;
    margin-bottom: 58px;
  }
  .section-heading h2 {
    font-size: clamp(2.45rem, 5.5vw, 5.6rem);
    line-height: .95;
    letter-spacing: -.06em;
    font-weight: 760;
  }
  .section-heading p { color: var(--muted); font-size: 1.08rem; }
  .section--dark .section-heading p { color: rgba(255,255,255,.6); }
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--brand);
    font-size: .72rem;
    line-height: 1;
    letter-spacing: .16em;
    text-transform: uppercase;
    font-weight: 850;
  }
  .eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; }
  .section--dark .eyebrow { color: var(--brand-3); }
}

@layer components {
  .scroll-progress {
    position: fixed; z-index: 120; top: 0; left: 0; width: 100%; height: 3px;
    transform: scaleX(0); transform-origin: left center;
    background: linear-gradient(90deg, var(--brand), var(--brand-3), var(--accent));
  }

  .site-header {
    position: fixed; z-index: 110; inset: 0 0 auto;
    transition: background .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease);
  }
  .site-header.is-scrolled {
    background: rgba(248,247,243,.82);
    backdrop-filter: blur(18px) saturate(140%);
    box-shadow: 0 1px 0 rgba(12,28,41,.08);
  }
  .nav { min-height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
  .brand { position: relative; z-index: 3; display: flex; align-items: center; }
  .brand img { width: clamp(190px, 18vw, 250px); }
  .nav-links { display: flex; align-items: center; gap: 30px; font-size: .9rem; font-weight: 720; }
  .nav-link { position: relative; padding: 12px 0; }
  .nav-link::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 6px; height: 1px; background: var(--ink); transition: right .25s var(--ease); }
  .nav-link:hover::after, .nav-link.is-active::after { right: 0; }
  .nav-actions { display: flex; align-items: center; gap: 10px; }
  .lang-switch { display: inline-grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; font-size: .75rem; font-weight: 850; background: rgba(255,255,255,.5); }
  .menu-toggle { display: none; width: 46px; height: 46px; border: 0; border-radius: 50%; background: var(--ink); }
  .menu-toggle span { display: block; width: 19px; height: 1px; margin: 5px auto; background: white; transition: transform .25s var(--ease), opacity .25s var(--ease); }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .mega-trigger { position: relative; }
  .mega-panel {
    position: fixed; z-index: 105; top: 74px; left: 50%; width: min(1120px, calc(100% - 40px));
    transform: translate(-50%, -10px); opacity: 0; pointer-events: none;
    padding: 30px; border: 1px solid rgba(255,255,255,.58); border-radius: 28px;
    background: rgba(255,255,255,.92); backdrop-filter: blur(24px); box-shadow: var(--shadow-lg);
    transition: opacity .25s var(--ease), transform .25s var(--ease);
  }
  .mega-trigger:hover .mega-panel, .mega-trigger:focus-within .mega-panel { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
  .mega-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 28px; }
  .mega-categories { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .mega-item { padding: 16px; border-radius: 14px; background: rgba(54,95,130,.06); transition: background .2s, transform .2s; }
  .mega-item:hover { background: rgba(54,95,130,.12); transform: translateY(-2px); }
  .mega-item strong { display: block; font-size: .94rem; }
  .mega-item span { color: var(--muted); font-size: .8rem; }
  .mega-feature { position: relative; overflow: hidden; min-height: 230px; padding: 24px; border-radius: 20px; color: white; background: linear-gradient(135deg, #0b1722, #365f82); }
  .mega-feature::after { content: ""; position: absolute; width: 180px; height: 180px; right: -30px; bottom: -50px; border: 1px solid rgba(255,255,255,.28); transform: rotate(32deg); }
  .mega-feature p { color: rgba(255,255,255,.66); margin: 12px 0 20px; }

  .btn {
    --btn-bg: var(--ink); --btn-color: white;
    position: relative; isolation: isolate; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    min-height: 50px; padding: 0 22px; border: 1px solid transparent; border-radius: 999px;
    color: var(--btn-color); background: var(--btn-bg); font-weight: 820; font-size: .9rem;
    overflow: hidden; transition: transform .25s var(--ease), box-shadow .25s var(--ease), color .25s;
  }
  .btn::before { content: ""; position: absolute; z-index: -1; inset: 100% 0 auto; height: 140%; border-radius: 50% 50% 0 0; background: var(--brand); transition: transform .35s var(--ease); }
  .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
  .btn:hover::before { transform: translateY(-100%); }
  .btn--ghost { --btn-bg: transparent; --btn-color: var(--ink); border-color: var(--line-strong); }
  .btn--ghost::before { background: var(--ink); }
  .btn--ghost:hover { color: white; }
  .btn--light { --btn-bg: white; --btn-color: var(--ink); }
  .btn--small { min-height: 42px; padding-inline: 17px; font-size: .78rem; }
  .btn svg { width: 18px; height: 18px; }

  .hero {
    position: relative; min-height: 100svh; display: grid; align-items: center; overflow: hidden;
    padding: calc(var(--header-h) + 74px) 0 72px;
    background: radial-gradient(circle at 80% 20%, rgba(109,168,205,.22), transparent 34%), var(--paper);
  }
  .hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(12,28,41,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(12,28,41,.045) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, black, transparent 82%); }
  .hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, .88fr); gap: 56px; align-items: center; }
  .hero-title { max-width: 880px; font-size: clamp(4.3rem, 8.8vw, 9.2rem); line-height: .82; letter-spacing: -.082em; font-weight: 780; }
  .hero-title .outline { color: transparent; -webkit-text-stroke: 1.5px var(--brand); }
  .hero-lead { max-width: 700px; margin-top: 30px; color: var(--muted); font-size: clamp(1.04rem, 1.6vw, 1.28rem); }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
  .hero-meta { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 42px; }
  .hero-meta span { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: .8rem; font-weight: 720; }
  .hero-meta i { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 7px rgba(54,95,130,.08); }
  .hero-stage { position: relative; min-height: 620px; border-radius: 38px; overflow: hidden; color: white; background: #0a141e; box-shadow: var(--shadow-lg); }
  .hero-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
  .hero-stage::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, transparent 45%, rgba(4,10,15,.75)); }
  .stage-ui { position: absolute; z-index: 3; inset: auto 26px 24px; }
  .stage-kicker { color: rgba(255,255,255,.56); font-size: .68rem; text-transform: uppercase; letter-spacing: .15em; font-weight: 800; }
  .stage-title { margin-top: 7px; font-size: 1.45rem; font-weight: 760; }
  .stage-tabs { display: flex; gap: 8px; margin-top: 18px; overflow-x: auto; scrollbar-width: none; }
  .stage-tab { flex: 0 0 auto; padding: 9px 12px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: rgba(255,255,255,.72); background: rgba(255,255,255,.06); font-size: .72rem; font-weight: 760; }
  .stage-tab.is-active { color: var(--ink); background: white; }
  .stage-corner { position: absolute; z-index: 3; top: 22px; right: 22px; display: grid; place-items: center; width: 62px; height: 62px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: white; background: rgba(255,255,255,.07); backdrop-filter: blur(12px); }
  .stage-corner svg { width: 24px; }

  .trust-strip { position: relative; z-index: 4; margin-top: -35px; }
  .trust-grid { display: grid; grid-template-columns: 1.2fr repeat(3, .8fr); border: 1px solid rgba(255,255,255,.62); border-radius: 24px; background: rgba(255,255,255,.78); backdrop-filter: blur(18px); box-shadow: var(--shadow-md); overflow: hidden; }
  .trust-item { min-height: 126px; padding: 26px; border-left: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; }
  .trust-item:first-child { border-left: 0; }
  .trust-item strong { font-size: clamp(1.3rem, 2vw, 2rem); letter-spacing: -.04em; }
  .trust-item span { color: var(--muted); font-size: .82rem; }
  .trust-item--lead { background: var(--brand); color: white; }
  .trust-item--lead span { color: rgba(255,255,255,.72); }

  .category-explorer { display: grid; grid-template-columns: .6fr 1.4fr; gap: 28px; align-items: stretch; }
  .category-nav { display: grid; gap: 8px; align-content: start; }
  .category-button { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; width: 100%; padding: 18px 0; border: 0; border-bottom: 1px solid var(--line); text-align: left; color: var(--muted); background: transparent; transition: color .25s; }
  .category-button b { color: inherit; font-size: .7rem; }
  .category-button strong { font-size: 1.05rem; }
  .category-button span { font-size: .78rem; }
  .category-button.is-active { color: var(--ink); }
  .category-button.is-active::before { content: ""; position: absolute; left: -22px; width: 5px; height: 44px; border-radius: 999px; background: var(--brand); }
  .category-display { position: relative; overflow: hidden; min-height: 600px; border-radius: var(--radius-lg); color: white; background: linear-gradient(135deg, #0b1722, #233c50); box-shadow: var(--shadow-md); }
  .category-display::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 15%, rgba(109,168,205,.35), transparent 30%), linear-gradient(90deg, transparent, rgba(255,255,255,.03)); }
  .category-display-grid { position: relative; z-index: 2; height: 100%; display: grid; grid-template-columns: .82fr 1.18fr; }
  .category-copy { padding: clamp(38px, 6vw, 74px); display: flex; flex-direction: column; justify-content: flex-end; }
  .category-copy small { color: var(--brand-3); text-transform: uppercase; letter-spacing: .14em; font-weight: 800; }
  .category-copy h3 { margin-top: 14px; font-size: clamp(2.5rem, 5vw, 5rem); line-height: .95; letter-spacing: -.06em; }
  .category-copy p { margin: 22px 0 28px; color: rgba(255,255,255,.63); }
  .category-art { position: relative; overflow: hidden; }
  .category-art svg { position: absolute; inset: 6% -2% 0 0; width: 106%; height: 94%; opacity: .94; filter: drop-shadow(0 28px 50px rgba(0,0,0,.25)); }
  .category-count { position: absolute; top: 28px; right: 30px; font-size: .76rem; color: rgba(255,255,255,.55); }

  .solution-carousel { overflow: hidden; }
  .solution-track { display: flex; gap: 18px; transition: transform .55s var(--ease); will-change: transform; }
  .solution-card { flex: 0 0 min(410px, 80vw); min-height: 470px; padding: 28px; border: 1px solid var(--line); border-radius: 28px; background: var(--white); box-shadow: var(--shadow-sm); display: flex; flex-direction: column; justify-content: space-between; }
  .solution-visual { position: relative; min-height: 240px; border-radius: 20px; overflow: hidden; background: linear-gradient(135deg, rgba(54,95,130,.12), rgba(109,168,205,.28)); }
  .solution-visual::before { content: ""; position: absolute; width: 180px; height: 180px; left: 50%; top: 50%; transform: translate(-50%,-50%) rotate(28deg); border: 1px solid rgba(54,95,130,.34); box-shadow: 36px 36px 0 rgba(54,95,130,.08), -36px -36px 0 rgba(54,95,130,.08); }
  .solution-card h3 { margin-top: 24px; font-size: 1.55rem; letter-spacing: -.035em; }
  .solution-card p { margin-top: 10px; color: var(--muted); }
  .carousel-controls { display: flex; align-items: center; justify-content: space-between; margin-top: 26px; }
  .carousel-buttons { display: flex; gap: 8px; }
  .icon-button { display: inline-grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--line); border-radius: 50%; background: white; transition: transform .2s, background .2s; }
  .icon-button:hover { transform: scale(1.06); background: var(--ink); color: white; }
  .carousel-progress { width: min(260px, 45%); height: 3px; background: rgba(12,28,41,.1); overflow: hidden; }
  .carousel-progress span { display: block; width: 25%; height: 100%; background: var(--brand); transition: transform .45s var(--ease); transform-origin: left; }

  .tacer-story { position: relative; overflow: hidden; border-radius: 38px; background: #0b151f; color: white; }
  .tacer-story-grid { display: grid; grid-template-columns: .85fr 1.15fr; min-height: 650px; }
  .tacer-number { display: flex; flex-direction: column; justify-content: space-between; padding: clamp(40px, 6vw, 78px); background: linear-gradient(145deg, var(--brand), #183148); }
  .tacer-number strong { font-size: clamp(6rem, 14vw, 13rem); line-height: .8; letter-spacing: -.09em; }
  .tacer-number span { color: rgba(255,255,255,.7); max-width: 260px; }
  .tacer-copy { position: relative; padding: clamp(42px, 7vw, 90px); }
  .tacer-copy::after { content: "TACER"; position: absolute; right: -15px; bottom: -36px; color: rgba(255,255,255,.035); font-size: clamp(8rem, 19vw, 18rem); font-weight: 900; letter-spacing: -.08em; }
  .tacer-copy h2 { position: relative; z-index: 2; font-size: clamp(2.5rem, 5vw, 5.2rem); line-height: .95; letter-spacing: -.06em; }
  .tacer-copy p { position: relative; z-index: 2; max-width: 650px; margin-top: 26px; color: rgba(255,255,255,.62); }
  .tacer-features { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 40px; }
  .tacer-feature { padding: 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(255,255,255,.04); }
  .tacer-feature b { display: block; color: var(--brand-3); margin-bottom: 4px; }

  .project-placeholder { position: relative; overflow: hidden; min-height: 460px; border-radius: 34px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(54,95,130,.08), rgba(255,255,255,.8)); }
  .project-placeholder::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(54,95,130,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(54,95,130,.08) 1px, transparent 1px); background-size: 38px 38px; transform: perspective(500px) rotateX(60deg) scale(1.5); transform-origin: bottom; }
  .project-placeholder-content { position: relative; z-index: 2; height: 100%; min-height: 460px; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(32px, 5vw, 64px); }
  .project-placeholder h3 { max-width: 620px; font-size: clamp(2.3rem, 4vw, 4.3rem); line-height: 1; letter-spacing: -.05em; }
  .project-placeholder p { max-width: 650px; margin-top: 18px; color: var(--muted); }

  .contact-shell { overflow: hidden; border-radius: 36px; color: white; background: #0a141e; box-shadow: var(--shadow-lg); }
  .contact-grid { display: grid; grid-template-columns: .78fr 1.22fr; }
  .contact-intro { position: relative; padding: clamp(38px, 6vw, 76px); background: linear-gradient(145deg, var(--brand), #19354c); }
  .contact-intro::after { content: ""; position: absolute; width: 300px; height: 300px; right: -120px; bottom: -120px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; }
  .contact-intro h2 { font-size: clamp(2.5rem, 5vw, 5rem); line-height: .94; letter-spacing: -.06em; }
  .contact-intro p { margin-top: 22px; color: rgba(255,255,255,.65); }
  .contact-list { position: relative; z-index: 2; display: grid; gap: 20px; margin-top: 40px; }
  .contact-list small { display: block; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .12em; font-size: .65rem; }
  .contact-list a, .contact-list span { font-weight: 760; }
  .contact-form { padding: clamp(38px, 6vw, 76px); background: #0a141e; }
  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .field { position: relative; }
  .field--full { grid-column: 1 / -1; }
  .field label { position: absolute; z-index: 1; left: 16px; top: 16px; color: rgba(255,255,255,.45); font-size: .75rem; pointer-events: none; transition: transform .2s, color .2s; }
  .field input, .field select, .field textarea { width: 100%; border: 1px solid rgba(255,255,255,.13); border-radius: 14px; color: white; background: rgba(255,255,255,.045); padding: 34px 16px 12px; outline: none; transition: border .2s, background .2s; }
  .field textarea { min-height: 150px; resize: vertical; }
  .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand-2); background: rgba(255,255,255,.075); }
  .field input:focus + label, .field textarea:focus + label { color: var(--brand-3); }
  .form-status { min-height: 22px; margin-top: 14px; color: rgba(255,255,255,.5); font-size: .78rem; }

  .site-footer { padding: 54px 0 30px; color: white; background: #070d12; }
  .footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 50px; }
  .footer-brand { width: 260px; padding: 10px; border-radius: 12px; background: white; }
  .footer-copy { max-width: 380px; margin-top: 18px; color: rgba(255,255,255,.48); }
  .footer-title { margin-bottom: 16px; color: rgba(255,255,255,.42); text-transform: uppercase; letter-spacing: .14em; font-size: .68rem; }
  .footer-links { display: grid; gap: 10px; color: rgba(255,255,255,.72); }
  .footer-links a:hover { color: white; }
  .footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 44px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.4); font-size: .76rem; }

  /* Catalogue */
  .catalog-hero { position: relative; min-height: 70svh; padding: calc(var(--header-h) + 90px) 0 80px; display: grid; align-items: end; overflow: hidden; color: white; background: #0a141e; }
  .catalog-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(109,168,205,.28), transparent 35%), linear-gradient(145deg, transparent 25%, rgba(54,95,130,.2)); }
  .catalog-hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .72; }
  .catalog-hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; align-items: end; }
  .catalog-hero h1 { font-size: clamp(4rem, 9vw, 9rem); line-height: .82; letter-spacing: -.08em; }
  .catalog-hero p { max-width: 520px; color: rgba(255,255,255,.62); font-size: 1.08rem; }
  .catalog-metrics { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
  .catalog-metric { padding: 12px 15px; border: 1px solid rgba(255,255,255,.13); border-radius: 999px; color: rgba(255,255,255,.72); background: rgba(255,255,255,.05); backdrop-filter: blur(10px); font-size: .76rem; }

  .catalog-toolbar { position: sticky; z-index: 50; top: calc(var(--header-h) - 1px); padding: 14px 0; border-bottom: 1px solid var(--line); background: rgba(248,247,243,.9); backdrop-filter: blur(18px); }
  .toolbar-row { display: grid; grid-template-columns: minmax(220px, 1.4fr) auto auto; gap: 12px; align-items: center; }
  .search-box { position: relative; }
  .search-box svg { position: absolute; left: 16px; top: 50%; width: 18px; transform: translateY(-50%); color: var(--muted); }
  .search-box input { width: 100%; height: 48px; padding: 0 16px 0 46px; border: 1px solid var(--line); border-radius: 999px; background: white; outline: none; }
  .search-box input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(54,95,130,.08); }
  .filter-button, .view-button { height: 48px; padding: 0 17px; border: 1px solid var(--line); border-radius: 999px; background: white; font-weight: 760; font-size: .8rem; }
  .view-toggle { display: flex; gap: 6px; }
  .view-button { width: 48px; padding: 0; display: grid; place-items: center; }
  .view-button.is-active { color: white; background: var(--ink); }

  .catalog-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; padding: 64px 0 120px; }
  .filters-panel { align-self: start; position: sticky; top: 170px; }
  .filter-group { padding: 24px 0; border-bottom: 1px solid var(--line); }
  .filter-group:first-child { padding-top: 0; }
  .filter-title { margin-bottom: 14px; font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; color: var(--muted); font-weight: 850; }
  .filter-options { display: grid; gap: 10px; }
  .check-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: .86rem; }
  .check-row label { display: flex; align-items: center; gap: 10px; cursor: pointer; }
  .check-row input { appearance: none; width: 18px; height: 18px; border: 1px solid var(--line-strong); border-radius: 5px; background: white; }
  .check-row input:checked { border-color: var(--brand); background: var(--brand); box-shadow: inset 0 0 0 4px white; }
  .check-row b { font-size: .7rem; font-weight: 700; }
  .catalog-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 26px; }
  .result-count { color: var(--muted); font-size: .84rem; }
  .sort-select { height: 42px; padding: 0 34px 0 14px; border: 1px solid var(--line); border-radius: 999px; background: white; }
  .product-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
  .product-grid.is-list { grid-template-columns: 1fr; }
  .product-card { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: white; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s; }
  .product-card:hover { transform: translateY(-6px); border-color: rgba(54,95,130,.35); box-shadow: var(--shadow-md); }
  .product-visual { position: relative; min-height: 300px; overflow: hidden; background: linear-gradient(145deg, #e7edf1, #f7f8f8); }
  .product-visual canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
  .product-badges { position: absolute; z-index: 2; top: 16px; left: 16px; display: flex; gap: 7px; flex-wrap: wrap; }
  .product-badge { padding: 7px 10px; border-radius: 999px; color: var(--ink); background: rgba(255,255,255,.82); backdrop-filter: blur(10px); font-size: .66rem; font-weight: 800; }
  .compare-check { position: absolute; z-index: 3; top: 16px; right: 16px; display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid rgba(12,28,41,.12); border-radius: 50%; background: rgba(255,255,255,.84); backdrop-filter: blur(10px); }
  .compare-check input { appearance: none; width: 16px; height: 16px; border: 1px solid var(--line-strong); border-radius: 4px; }
  .compare-check input:checked { background: var(--brand); box-shadow: inset 0 0 0 3px white; }
  .product-content { padding: 24px; }
  .product-id { color: var(--brand); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 820; }
  .product-card h3 { margin-top: 8px; font-size: 1.55rem; letter-spacing: -.045em; }
  .product-original { color: var(--muted); font-size: .78rem; margin-top: 4px; }
  .product-description { margin-top: 16px; color: var(--muted); font-size: .9rem; }
  .product-specs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
  .spec-chip { padding: 7px 9px; border-radius: 8px; background: rgba(54,95,130,.08); color: var(--brand); font-size: .68rem; font-weight: 780; }
  .product-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 24px; }
  .quick-view { border: 0; background: transparent; color: var(--muted); font-size: .78rem; font-weight: 760; }
  .quick-view:hover { color: var(--ink); }
  .product-grid.is-list .product-card { display: grid; grid-template-columns: 300px 1fr; }
  .product-grid.is-list .product-visual { min-height: 100%; }

  .compare-drawer { position: fixed; z-index: 90; left: 50%; bottom: 20px; width: min(780px, calc(100% - 30px)); transform: translate(-50%, 140%); padding: 14px 16px; border: 1px solid rgba(255,255,255,.18); border-radius: 20px; color: white; background: rgba(7,15,22,.92); backdrop-filter: blur(18px); box-shadow: var(--shadow-lg); transition: transform .45s var(--ease); }
  .compare-drawer.is-open { transform: translate(-50%, 0); }
  .compare-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
  .compare-items { display: flex; gap: 8px; overflow: hidden; }
  .compare-pill { padding: 9px 12px; border-radius: 999px; background: rgba(255,255,255,.09); font-size: .72rem; white-space: nowrap; }

  .modal { position: fixed; z-index: 200; inset: 0; display: grid; place-items: center; padding: 24px; background: rgba(5,12,18,.72); backdrop-filter: blur(10px); opacity: 0; pointer-events: none; transition: opacity .25s; }
  .modal.is-open { opacity: 1; pointer-events: auto; }
  .modal-panel { width: min(960px, 100%); max-height: min(82vh, 780px); overflow: auto; border-radius: 28px; background: white; box-shadow: var(--shadow-lg); transform: translateY(18px) scale(.98); transition: transform .3s var(--ease); }
  .modal.is-open .modal-panel { transform: translateY(0) scale(1); }
  .modal-head { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 24px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.92); backdrop-filter: blur(14px); }
  .modal-close { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: white; font-size: 1.3rem; }
  .modal-body { padding: 28px; }
  .modal-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; }
  .modal-visual { min-height: 360px; border-radius: 20px; background: linear-gradient(145deg, #e8eef2, #fbfbfa); overflow: hidden; }
  .modal-visual canvas { width: 100%; height: 100%; }
  .modal-body h3 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: .95; letter-spacing: -.055em; }
  .modal-body p { margin-top: 16px; color: var(--muted); }
  .modal-facts { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin-top: 24px; }
  .modal-fact { padding: 14px; border-radius: 12px; background: var(--paper-2); }
  .modal-fact small { display: block; color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; }
  .modal-fact b { display: block; margin-top: 4px; }
  .compare-table { width: 100%; border-collapse: collapse; }
  .compare-table th, .compare-table td { padding: 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
  .compare-table th:first-child { color: var(--muted); font-size: .75rem; width: 170px; }

  /* Product detail */
  .product-hero { min-height: 86svh; padding: calc(var(--header-h) + 70px) 0 70px; display: grid; align-items: center; background: linear-gradient(135deg, #e9edf0, #f8f7f3); }
  .product-hero-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
  .breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .75rem; }
  .product-hero h1 { margin-top: 24px; font-size: clamp(3.6rem, 7vw, 7.4rem); line-height: .84; letter-spacing: -.075em; }
  .product-hero .original { margin-top: 12px; color: var(--brand); font-size: .82rem; letter-spacing: .11em; text-transform: uppercase; font-weight: 800; }
  .product-hero .lead { margin-top: 26px; color: var(--muted); max-width: 580px; }
  .hero-spec-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
  .system-stage { position: relative; min-height: 620px; overflow: hidden; border-radius: 34px; background: #0a141e; box-shadow: var(--shadow-lg); }
  .system-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
  .stage-control { position: absolute; z-index: 3; left: 24px; right: 24px; bottom: 22px; padding: 18px; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; color: white; background: rgba(255,255,255,.07); backdrop-filter: blur(14px); }
  .stage-control label { display: flex; justify-content: space-between; gap: 12px; font-size: .75rem; color: rgba(255,255,255,.72); }
  .stage-control input { width: 100%; margin-top: 12px; accent-color: var(--brand-2); }
  .product-subnav { position: sticky; z-index: 45; top: var(--header-h); border-bottom: 1px solid var(--line); background: rgba(248,247,243,.9); backdrop-filter: blur(18px); }
  .subnav-row { display: flex; gap: 26px; overflow-x: auto; scrollbar-width: none; }
  .subnav-row a { flex: 0 0 auto; padding: 18px 0; color: var(--muted); font-size: .8rem; font-weight: 760; }
  .subnav-row a:hover { color: var(--ink); }
  .product-section-grid { display: grid; grid-template-columns: 1fr 360px; gap: 54px; align-items: start; }
  .content-card { padding: 32px; border: 1px solid var(--line); border-radius: 22px; background: white; }
  .content-card + .content-card { margin-top: 18px; }
  .content-card h3 { font-size: 1.7rem; letter-spacing: -.035em; }
  .content-card p { margin-top: 12px; color: var(--muted); }
  .spec-table { width: 100%; border-collapse: collapse; margin-top: 22px; }
  .spec-table th, .spec-table td { padding: 14px 0; border-bottom: 1px solid var(--line); text-align: left; }
  .spec-table th { color: var(--muted); font-size: .78rem; font-weight: 650; width: 42%; }
  .sticky-inquiry { position: sticky; top: 150px; padding: 26px; border-radius: 22px; color: white; background: var(--ink); box-shadow: var(--shadow-md); }
  .sticky-inquiry h3 { font-size: 1.65rem; }
  .sticky-inquiry p { margin-top: 12px; color: rgba(255,255,255,.58); }
  .config-group { margin-top: 22px; }
  .config-group small { display: block; margin-bottom: 10px; color: rgba(255,255,255,.48); text-transform: uppercase; letter-spacing: .11em; font-size: .64rem; }
  .config-options { display: flex; flex-wrap: wrap; gap: 8px; }
  .config-option { padding: 9px 11px; border: 1px solid rgba(255,255,255,.14); border-radius: 9px; color: rgba(255,255,255,.72); background: rgba(255,255,255,.04); font-size: .72rem; }
  .config-option.is-active { color: var(--ink); background: white; }
  .config-summary { margin-top: 22px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: .8rem; color: rgba(255,255,255,.65); }
  .accordion { margin-top: 18px; border-top: 1px solid var(--line); }
  .accordion-item { border-bottom: 1px solid var(--line); }
  .accordion-button { width: 100%; padding: 18px 0; border: 0; display: flex; align-items: center; justify-content: space-between; background: transparent; text-align: left; font-weight: 760; }
  .accordion-panel { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
  .accordion-panel-inner { padding: 0 0 18px; color: var(--muted); }
  .doc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 22px; }
  .doc-card { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); }
  .doc-card b { display: block; margin-top: 18px; }
  .doc-card span { color: var(--muted); font-size: .72rem; }
}

@layer utilities {
  .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
  .muted { color: var(--muted); }
  .hide-desktop { display: none; }
}

@layer motion {
  [data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
  [data-reveal="left"] { transform: translateX(-36px); }
  [data-reveal="right"] { transform: translateX(36px); }
  [data-reveal].is-visible { opacity: 1; transform: none; }
  @keyframes pulse-ring { 0%,100% { transform: scale(.9); opacity: .3; } 50% { transform: scale(1.1); opacity: .7; } }
}

@media (max-width: 1080px) {
  :root { --header-h: 78px; }
  .nav-links { position: fixed; inset: var(--header-h) 16px auto; display: none; padding: 24px; flex-direction: column; align-items: stretch; gap: 4px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.96); backdrop-filter: blur(20px); box-shadow: var(--shadow-lg); }
  .nav-links.is-open { display: flex; }
  .nav-link { padding: 14px 6px; font-size: 1rem; }
  .nav-link::after { display: none; }
  .mega-panel { display: none; }
  .menu-toggle { display: block; }
  .nav-actions .btn { display: none; }
  .hero-grid, .catalog-hero-content, .product-hero-grid { grid-template-columns: 1fr; }
  .hero { padding-top: calc(var(--header-h) + 60px); }
  .hero-title { font-size: clamp(4rem, 13vw, 7.5rem); }
  .hero-stage { min-height: 520px; }
  .trust-grid { grid-template-columns: repeat(2,1fr); }
  .trust-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .trust-item:nth-child(4) { border-top: 1px solid var(--line); }
  .category-explorer, .tacer-story-grid, .contact-grid, .product-section-grid { grid-template-columns: 1fr; }
  .category-nav { grid-template-columns: repeat(3,1fr); }
  .category-button { grid-template-columns: auto 1fr; }
  .category-button span { display: none; }
  .category-button.is-active::before { left: 0; bottom: -1px; width: 100%; height: 3px; }
  .catalog-layout { grid-template-columns: 1fr; }
  .filters-panel { display: none; position: fixed; z-index: 80; inset: auto 14px 14px; top: 115px; overflow: auto; padding: 24px; border-radius: 22px; background: white; box-shadow: var(--shadow-lg); }
  .filters-panel.is-open { display: block; }
  .product-grid { grid-template-columns: repeat(2,1fr); }
  .sticky-inquiry { position: static; }
}

@media (max-width: 740px) {
  :root { --container: min(100% - 28px, 1280px); }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .brand img { width: 188px; }
  .lang-switch { width: 38px; height: 38px; }
  .hero { min-height: auto; }
  .hero-title { font-size: clamp(3.7rem, 19vw, 5.8rem); }
  .hero-stage { min-height: 480px; border-radius: 26px; }
  .hero-meta { gap: 14px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item, .trust-item:nth-child(n) { border-left: 0; border-top: 1px solid var(--line); }
  .trust-item:first-child { border-top: 0; }
  .category-nav { grid-template-columns: 1fr 1fr; }
  .category-display-grid { grid-template-columns: 1fr; }
  .category-display { min-height: 670px; }
  .category-art { min-height: 320px; order: -1; }
  .category-copy { padding: 28px; }
  .tacer-features, .form-grid, .footer-grid, .modal-grid, .modal-facts, .doc-grid { grid-template-columns: 1fr; }
  .tacer-number { min-height: 360px; }
  .footer-bottom { flex-direction: column; }
  .toolbar-row { grid-template-columns: 1fr auto; }
  .view-toggle { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  .product-grid.is-list .product-card { display: block; }
  .catalog-hero { min-height: 78svh; }
  .catalog-hero h1 { font-size: clamp(4rem, 18vw, 6.6rem); }
  .compare-items { max-width: 55vw; }
  .product-hero h1 { font-size: clamp(3.8rem, 17vw, 6rem); }
  .system-stage { min-height: 500px; }
}

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

/* Final visual corrections */
@media (min-width: 1081px) {
  .hero-title { font-size: clamp(4.15rem, 7.35vw, 7.45rem); }
}
.site-header--inverse:not(.is-scrolled) .nav-link { color: white; }
.site-header--inverse:not(.is-scrolled) .nav-link::after { background: white; }
.site-header--inverse:not(.is-scrolled) .brand { padding: 8px 12px; border-radius: 13px; background: rgba(255,255,255,.9); box-shadow: 0 8px 22px rgba(0,0,0,.1); }
.site-header--inverse:not(.is-scrolled) .lang-switch { color: white; border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.08); }
.site-header--inverse:not(.is-scrolled) .btn { --btn-bg: white; --btn-color: var(--ink); }