/* Kurumsal vurgu rengi bu değişkenden güncellenebilir. */
    :root { --red: #d60000; --ink: #181818; --muted: #555; --line: #dedede; --paper: #f5f5f4; }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 24px; }
    body { margin: 0; background: #fff; color: var(--ink); font-family: Arial, Helvetica, sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; }
    a { color: inherit; }
    a:focus-visible { outline: 3px solid var(--red); outline-offset: 5px; }
    .wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
    .skip { position: absolute; top: -100px; left: 16px; padding: 12px 20px; background: #fff; z-index: 5; }
    .skip:focus { top: 12px; }
    .masthead { border-top: 5px solid var(--red); border-bottom: 1px solid var(--line); }
    .masthead .wrap { min-height: 108px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .logo { display: block; width: 186px; height: auto; }
    .header-link { font-size: 14px; font-weight: 700; text-decoration: none; padding: 10px 0; }
    .header-link span { color: var(--red); margin-left: 12px; }
    .intro { padding-block: 68px 50px; }
    .eyebrow { margin: 0 0 18px; color: var(--red); font-size: 12px; font-weight: 700; letter-spacing: .15em; }
    .intro-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
    h1 { margin: 0 0 20px; font-size: clamp(40px, 5vw, 62px); line-height: 1.08; letter-spacing: -.045em; }
    .lead { margin: 0; max-width: 360px; font-size: 23px; line-height: 1.45; color: var(--muted); }
    .intro-copy p { margin: 0 0 18px; font-size: 16px; color: var(--muted); }
    .intro-copy p:last-child { margin-bottom: 0; }
    .intro-copy strong { color: var(--ink); }
    .services-nav { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 38px; padding-top: 22px; border-top: 1px solid var(--line); }
    .services-nav a { font-size: 14px; text-decoration: none; padding: 7px 0; }
    .services-nav a:hover, .header-link:hover { color: var(--red); }
    .services-nav span { color: var(--red); font-size: 11px; margin-right: 8px; font-weight: 700; }
    .services {padding-block: 50px 60px; }
    .section-label { margin: 0 0 24px; font-size: 13px; letter-spacing: .12em; font-weight: 700; }
    .grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
    .service { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--red); padding: 30px 34px 32px; }
    .service-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
    .number { color: var(--red); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
    .icon { width: 32px; height: 32px; color: var(--red); fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
    h3 { margin: 0 0 20px; font-size: 24px; line-height: 1.3; letter-spacing: -.025em; }
    .service ul { list-style: none; margin: 0; padding: 0; }
    .service li { position: relative; padding: 8px 0 8px 18px; color: var(--muted); font-size: 15px; line-height: 1.55; }
    .service li::before { content: ''; position: absolute; width: 5px; height: 5px; background: var(--red); left: 0; top: 17px; }
    .service li + li { border-top: 1px solid #efefef; }
    .scope { margin-top: 26px; padding: 24px 28px; background: var(--ink); color: #fff; display: flex; align-items: baseline; gap: 24px; }
    .scope strong { font-size: 15px; flex-shrink: 0; }
    .scope p { margin: 0; color: #dedede; font-size: 15px; }
    footer { padding-block: 28px; }
    footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
    .footer-brand { font-weight: 700; font-size: 13px; letter-spacing: .04em; }
    .footer-note { margin: 0; color: var(--muted); font-size: 13px; }
    @media (max-width: 800px) {
      .intro-grid { grid-template-columns: 1fr; gap: 28px; }
      .lead { max-width: 540px; }
      .intro { padding-block: 44px 34px; }
      .grid { gap: 18px; }
      .service { padding: 24px; }
      h3 { font-size: 22px; }
      .scope { display: block; }
      .scope p { margin-top: 8px; }
    }
    @media (max-width: 600px) {
      .wrap { width: calc(100% - 36px); }
      .masthead .wrap { min-height: 90px; gap: 12px; }
      .logo { width: 148px; }
      .header-link { font-size: 12px; }
      .header-link span { margin-left: 5px; }
      .lead { font-size: 21px; }
      .services-nav { gap: 6px 20px; margin-top: 28px; }
      .services-nav a { font-size: 13px; }
      .services { padding-block: 32px 36px; }
      .grid { grid-template-columns: 1fr; }
      .scope { padding: 22px 24px; }
      footer .wrap { display: block; }
      .footer-note { margin-top: 6px; }
    }
    @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
    @media print {
      .skip, .header-link, .services-nav { display: none; }
      .wrap { width: 100%; }
      .masthead .wrap { min-height: 80px; }
      .intro { padding-block: 24px; }
      h1 { font-size: 36px; }
      .intro-grid { display: block; }
      .lead { margin-bottom: 18px; }
      .services { padding-block: 20px; background: #fff; }
      .service { break-inside: avoid; padding: 20px; }
      .scope { background: #fff; color: #181818; border: 1px solid #dedede; }
      .scope p { color: #555; }
    }