:root { color-scheme: dark; --bg: #0b0d12; --panel: #11151b; --panel-2: #181d24; --line: #303840; --text: #f3f4ef; --muted: #a3aaa6; --accent: #83a5ff; --accent-dark: #244bd6; --silver: #c6cdd6; --lime: #c8ff68; --font-head: "Space Grotesk", Arial, sans-serif; --font-body: "DM Sans", Arial, sans-serif; }
      * { box-sizing: border-box; }
      html { scroll-behavior: smooth; }
      body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: 16px; line-height: 1.55; }
      a { color: inherit; }
      button { font: inherit; }
      :focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
      .wrap { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
      .site-header { border-bottom: 1px solid rgba(255,255,255,.11); position: relative; z-index: 10; background: rgba(11,13,18,.94); }
      .nav { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
      .brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-head); font-size: 24px; font-weight: 700; letter-spacing: -.07em; text-decoration: none; }
      .brand-mark { width: 42px; height: 42px; display: block; flex: none; }
      .nav-links { display: flex; align-items: center; gap: clamp(18px, 3vw, 38px); }
      .nav-links a { text-decoration: none; font-size: 14px; font-weight: 700; color: #d7dbd6; }
      .nav-links a:hover { color: var(--accent); }
      .nav-links .nav-contact { color: var(--accent); border: 1px solid rgba(131,165,255,.62); border-radius: 99px; padding: 10px 18px; }
      .nav-links .nav-contact:hover { color: #ffffff; background: var(--accent-dark); }
      .hero { padding: clamp(52px, 7vw, 105px) 0 80px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
      .hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse at 60% 25%, rgba(36,75,214,.16), transparent 55%); }
      .hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(390px, .98fr); align-items: center; gap: clamp(28px, 5vw, 76px); }
      .eyebrow { display: inline-flex; align-items: center; gap: 11px; text-transform: uppercase; color: var(--silver); font-family: var(--font-head); font-size: 12px; line-height: 1.2; font-weight: 700; letter-spacing: .2em; }
      .eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--lime); }
      h1, h2, h3, p { margin-top: 0; }
      h1, h2, h3 { font-family: var(--font-head); letter-spacing: -.06em; }
      h1 { font-size: clamp(58px, 7.1vw, 112px); line-height: .94; font-weight: 600; margin: 22px 0 26px; max-width: 720px; }
      h1 em { font-style: normal; color: var(--accent); }
      .hero-copy { max-width: 560px; }
      .hero-copy p { font-size: clamp(17px, 1.6vw, 20px); color: #b7beb9; line-height: 1.6; max-width: 510px; }
      .hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
      .button { display: inline-flex; justify-content: center; align-items: center; min-height: 52px; border-radius: 3px; padding: 0 23px; text-decoration: none; font-weight: 700; font-size: 14px; transition: transform .2s ease, background-color .2s ease, color .2s ease; }
      .button:hover { transform: translateY(-2px); }
      .button-primary { background: var(--accent-dark); color: #ffffff; border: 1px solid #5279eb; }
      .button-primary:hover { background: #315ce6; }
      .text-link { text-decoration: none; border-bottom: 1px solid #a6aea7; font-size: 14px; font-weight: 700; padding-bottom: 4px; }
      .text-link:hover { color: var(--accent); border-color: var(--accent); }
      .hero-art { position: relative; min-height: 580px; border: 1px solid #495057; border-radius: 4px; overflow: hidden; background: radial-gradient(circle at 65% 35%, #364455 0, #161e29 45%, #0e1219 80%); }
      .hero-art img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; object-position: 60% center; }
      .hero-art::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(11,13,18,.16), transparent 45%), linear-gradient(0deg, rgba(11,13,18,.43), transparent 35%); }
      .art-index { position: absolute; z-index: 1; left: 25px; top: 25px; border: 1px solid rgba(255,255,255,.35); padding: 7px 11px; color: #e4e9df; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; }
      .art-caption { position: absolute; z-index: 1; bottom: 26px; right: 27px; color: #dce3d8; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; writing-mode: vertical-rl; }
      .hero-foot { position: relative; display: flex; justify-content: space-between; gap: 20px; padding-top: 30px; color: #909994; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; }
      section.content { padding: clamp(75px, 8vw, 125px) 0; }
      .section-top { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 42px; }
      .section-top h2 { font-size: clamp(40px, 4.8vw, 70px); line-height: 1.02; font-weight: 600; max-width: 770px; margin: 18px 0 0; }
      .section-top p { color: var(--muted); max-width: 270px; margin-bottom: 4px; }
      .services { background: #10141a; border-bottom: 1px solid var(--line); }
      .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
      .service-card { background: #171c23; border: 1px solid #39414a; padding: clamp(25px, 2.8vw, 38px); min-height: 302px; display: flex; flex-direction: column; transition: border-color .2s ease, transform .2s ease; }
      .service-card:hover { border-color: var(--accent); transform: translateY(-4px); }
      .service-no { color: var(--accent); font-family: var(--font-head); font-size: 14px; letter-spacing: .14em; }
      .service-card h3 { font-size: clamp(27px, 2.4vw, 34px); line-height: 1.08; margin: auto 0 14px; font-weight: 600; }
      .service-card p { color: #b3bbb7; margin: 0; }
      .concept { border-bottom: 1px solid var(--line); }
      .concept-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(35px, 6vw, 85px); align-items: center; }
      .concept-copy h2 { font-size: clamp(42px, 5vw, 72px); line-height: 1.03; margin: 18px 0 22px; }
      .concept-copy p { max-width: 430px; color: var(--muted); font-size: 18px; }
      .concept-note { display: inline-block; border-top: 1px solid var(--line); padding-top: 18px; font-size: 13px !important; letter-spacing: .03em; }
      .demo-shell { border: 1px solid #4b555c; background: #151a21; border-radius: 7px; overflow: hidden; box-shadow: 0 26px 70px rgba(0,0,0,.32); }
      .demo-top { padding: 17px 21px; border-bottom: 1px solid #39434a; display: flex; justify-content: space-between; align-items: center; gap: 18px; }
      .demo-title { color: #e8ede7; font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
      .toggle { display: inline-flex; gap: 4px; background: #252d34; padding: 4px; border-radius: 4px; }
      .toggle button { color: #a9b1ae; border: 0; background: transparent; padding: 6px 11px; border-radius: 2px; font-size: 12px; font-weight: 700; cursor: pointer; }
      .toggle button[aria-pressed="true"] { background: var(--accent-dark); color: #ffffff; }
      .demo-stage { min-height: 390px; padding: clamp(24px, 4vw, 48px); display: flex; align-items: stretch; background: radial-gradient(circle at 100% 0, rgba(36,75,214,.16), transparent 50%); }
      .demo-page { width: 100%; min-height: 292px; background: #f2f3ef; color: #1d2629; padding: clamp(22px, 3vw, 38px); box-shadow: 0 8px 30px rgba(0,0,0,.15); transition: opacity .25s ease, transform .25s ease; }
      .demo-page[hidden] { display: none; }
      .demo-page.before { background: #e8e8e3; color: #4c5354; }
      .demo-meta { font-family: var(--font-head); font-size: 12px; text-transform: uppercase; letter-spacing: .16em; color: #5c6563; }
      .demo-page h3 { font-size: clamp(30px, 3.2vw, 46px); line-height: 1; margin: 18px 0 15px; color: #111b20; }
      .demo-page p { max-width: 490px; color: #485351; }
      .demo-page.before h3 { font-size: 29px; letter-spacing: -.02em; }
      .demo-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 22px 0; }
      .demo-list span { padding: 7px 10px; border: 1px solid #cad1c5; border-radius: 2px; font-size: 12px; font-weight: 700; }
      .demo-cta { display: inline-block; background: #1b2528; color: white; padding: 10px 16px; font-size: 12px; font-weight: 700; }
      .demo-page.before .demo-cta { background: #a6adaa; }
      .steps { background: #10141a; border-bottom: 1px solid var(--line); }
      .step-list { border-top: 1px solid #4a535a; }
      .step { display: grid; grid-template-columns: 86px minmax(230px, .75fr) 1fr; gap: 28px; padding: 25px 0; border-bottom: 1px solid #3c464d; align-items: start; }
      .step span { color: var(--accent); font-family: var(--font-head); font-size: 14px; }
      .step h3 { font-size: clamp(23px, 2.6vw, 33px); line-height: 1.08; margin: 0; }
      .step p { color: var(--muted); margin: 0; max-width: 520px; }
      .contact { padding: clamp(82px, 9vw, 145px) 0; position: relative; overflow: hidden; }
      .contact::before { content: "S"; position: absolute; right: -4vw; bottom: -16vw; font-family: var(--font-head); font-weight: 700; font-size: min(60vw, 740px); line-height: 1; color: rgba(131,165,255,.055); pointer-events: none; }
      .contact .wrap { position: relative; }
      .contact h2 { font-size: clamp(53px, 7.6vw, 110px); line-height: .94; max-width: 900px; margin: 18px 0 30px; font-weight: 600; }
      .contact h2 em { color: var(--accent); font-style: normal; }
      .contact p { color: var(--muted); font-size: 19px; max-width: 590px; }
      .contact .button { margin-top: 20px; }
      footer { border-top: 1px solid var(--line); padding: 28px 0; color: #98a19a; font-size: 13px; }
      footer .wrap { display: flex; justify-content: space-between; gap: 20px; }
      footer a { text-decoration: none; color: #e2e8df; }
      footer a:hover { color: var(--accent); }
      @media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero-art { min-height: 460px; max-width: 760px; } .hero-copy { max-width: 690px; } .section-top { align-items: start; flex-direction: column; } .section-top p { max-width: 580px; } .concept-grid { grid-template-columns: 1fr; } .concept-copy p { max-width: 650px; } .step { grid-template-columns: 50px 1fr; } .step p { grid-column: 2; } }
      @media (max-width: 680px) { .wrap { width: min(100% - 32px, 1180px); } .nav { min-height: 68px; } .brand { font-size: 22px; } .nav-links { gap: 10px; } .nav-links a:not(.nav-contact) { display: none; } .nav-links .nav-contact { padding: 8px 13px; font-size: 12px; } .hero { padding: 58px 0 55px; } h1 { font-size: clamp(56px, 15vw, 82px); } .hero-art { min-height: 375px; } .hero-foot { flex-direction: column; gap: 6px; } .service-grid { grid-template-columns: 1fr; } .service-card { min-height: 220px; } .demo-top { align-items: start; flex-direction: column; } .demo-stage { padding: 18px; } .step { gap: 16px; } footer .wrap { flex-direction: column; } }
      @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }