:root {
      --color-primary: #2d3f63;
      --color-primary-strong: #1d2d4a;
      --color-accent: #6f88b3;
      --color-surface: #f5f7fb;
      --color-surface-strong: #e6ebf5;
      --color-text: #162033;
      --color-text-muted: #52617d;
      --color-border: #d8dfeb;
      --color-white: #ffffff;
      --shadow-soft: 0 18px 45px rgba(22, 32, 51, 0.12);
      --max-width: 1120px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 12px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Inter", sans-serif;
      color: var(--color-text);
      background: linear-gradient(180deg, #eef2f8 0%, #ffffff 22%, #f8fafe 100%);
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .container {
      width: min(calc(100% - 2rem), var(--max-width));
      margin: 0 auto;
    }

    .section {
      padding: 5.5rem 0;
    }

    .section-title {
      margin: 0 0 0.75rem;
      font-size: clamp(2rem, 4vw, 3rem);
      line-height: 1.1;
      letter-spacing: -0.04em;
    }

    .section-copy {
      margin: 0;
      max-width: 42rem;
      color: var(--color-text-muted);
      font-size: 1.05rem;
      line-height: 1.7;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(216, 223, 235, 0.75);
    }

    .nav-shell {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 1rem 0;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 0.85rem;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: var(--color-primary-strong);
    }

    .brand-logo {
      width: 6rem;
      height: auto;
      flex-shrink: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }

    .nav-links a {
      color: var(--color-text-muted);
      font-weight: 600;
      font-size: 0.96rem;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--color-primary);
    }

    .nav-toggle {
      display: none;
      border: 0;
      background: transparent;
      padding: 0.35rem;
      cursor: pointer;
    }

    .nav-toggle-bar {
      display: block;
      width: 1.5rem;
      height: 2px;
      margin: 0.3rem 0;
      border-radius: 999px;
      background: var(--color-primary-strong);
    }

    .hero {
      padding: 5rem 0 3.5rem;
    }

    .contact-grid {
      display: grid;
      gap: 2rem;
      align-items: stretch;
    }

    .hero-panel {
      background: #faf5ec;
      border: 1px solid var(--color-border);
      border-radius: 30px;
      overflow: hidden;
    }

    .hero-copy {
      padding: clamp(1.5rem, 4vw, 3rem);
    }

    .hero h1 {
      margin: 0;
      font-size: clamp(2.25rem, 5vw, 4rem);
      line-height: 1.06;
      letter-spacing: -0.04em;
    }

    .hero p {
      margin: 1.5rem 0 0;
      max-width: none;
      color: var(--color-text-muted);
      font-size: 1.1rem;
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-top: 2rem;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 3rem;
      padding: 0.85rem 1.35rem;
      border-radius: 999px;
      border: 1px solid var(--color-border);
      background: var(--color-white);
      color: var(--color-primary);
      font-weight: 700;
      transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    }

    .button:hover,
    .button:focus-visible {
      background: var(--color-surface-strong);
      border-color: var(--color-primary);
    }

    .hero-card,
    .service-card,
    .audience-card,
    .contact-card {
      background: rgba(255, 255, 255, 0.92);
      border: 1px solid rgba(216, 223, 235, 0.9);
      box-shadow: var(--shadow-soft);
    }

    .hero-card {
      padding: 1rem;
      border-radius: 30px;
    }

    .hero-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 22px;
      min-height: 420px;
    }

    .hero-card .hero-illustration {
      height: auto;
      min-height: 0;
      object-fit: contain;
      border-radius: 0;
    }

    .hero-panel .hero-card {
      padding: 0;
      background: transparent;
      border: 0;
      border-radius: 0;
      box-shadow: none;
    }

    .stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1rem;
      margin-top: 1.5rem;
    }

    .stat {
      padding: 1rem;
      border-top: 1px solid var(--color-border);
    }

    .stat strong {
      display: block;
      font-size: 1.5rem;
      color: var(--color-primary-strong);
    }

    .stat span {
      color: var(--color-text-muted);
      font-size: 0.9rem;
    }

    .services-grid,
    .audience-grid {
      display: grid;
      gap: 1.4rem;
      margin-top: 2.4rem;
    }

    .services-grid {
      grid-template-columns: repeat(6, minmax(0, 1fr));
    }

    .services-grid .service-card {
      grid-column: span 2;
    }

    .services-grid .service-card:nth-child(n + 4) {
      grid-column: span 3;
    }

    .service-card,
    .audience-card,
    .contact-card {
      border-radius: var(--radius-lg);
      padding: 1.5rem;
    }

    .icon-chip {
      width: 3rem;
      height: 3rem;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1rem;
      background: rgba(45, 63, 99, 0.1);
      color: var(--color-primary);
    }

    .service-card h3,
    .audience-card h3,
    .contact-card h3 {
      margin: 0 0 0.8rem;
      font-size: 1.15rem;
    }

    .service-card p,
    .contact-card p,
    .about-copy p,
    .audience-card p {
      margin: 0;
      color: var(--color-text-muted);
      line-height: 1.7;
    }

    .about-copy > p + p {
      margin-top: 1rem;
    }

    .about-points {
      display: grid;
      gap: 1rem;
      margin-top: 2rem;
    }

    .about-point {
      padding: 1rem 1.15rem;
      border-left: 4px solid var(--color-accent);
      background: rgba(111, 136, 179, 0.08);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }

    .audience-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .audience-card {
      min-height: 140px;
      display: grid;
      place-items: center;
      text-align: center;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 247, 251, 0.96));
    }

    .contact-grid {
      grid-template-columns: 1.2fr 1fr;
    }

    .contact-panel {
      padding: 2rem;
      border-radius: 30px;
      color: var(--color-white);
      background: linear-gradient(135deg, var(--color-primary-strong), var(--color-primary));
      box-shadow: var(--shadow-soft);
    }

    .contact-panel p {
      color: rgba(255, 255, 255, 0.82);
      line-height: 1.8;
    }

    .contact-list {
      display: grid;
      gap: 1rem;
    }

    .contact-card a {
      color: var(--color-primary);
      font-weight: 700;
    }

    .site-footer {
      padding: 1.5rem 0 2.5rem;
      color: var(--color-text-muted);
    }

    .footer-shell {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding-top: 1.25rem;
      border-top: 1px solid var(--color-border);
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      font-weight: 600;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .footer-logo {
      width: 4.5rem;
      height: auto;
    }

    @media (max-width: 960px) {
      .services-grid,
      .audience-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .services-grid .service-card:nth-child(n) {
        grid-column: auto;
      }

      .contact-grid {
        grid-template-columns: 1fr;
      }

      .contact-list {
        margin-top: 1.75rem;
      }

    }

    @media (max-width: 720px) {
      .section {
        padding: 4rem 0;
      }

      .hero {
        padding-top: 3.5rem;
      }

      .nav-toggle {
        display: inline-block;
      }

      .nav-links {
        position: absolute;
        top: calc(100% + 0.5rem);
        left: 1rem;
        right: 1rem;
        display: none;
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem;
        border-radius: var(--radius-md);
        background: var(--color-white);
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-soft);
      }

      .nav-links.is-open {
        display: flex;
      }

      .stats,
      .services-grid,
      .audience-grid {
        grid-template-columns: 1fr;
      }

      .footer-shell {
        flex-direction: column;
        align-items: flex-start;
      }
    }