:root {
      --bg: #f6fbf7;
      --surface: #ffffff;
      --line: #d8eadf;
      --ink: #10201a;
      --muted: #5f7168;
      --green: #008c3a;
      --green-soft: #dff5e7;
      --dark: #07130e;
      --shadow: 0 28px 80px rgba(0, 70, 32, 0.12);
      --radius-xl: 34px;
      --radius-lg: 22px;
      --max: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at top left, rgba(0, 166, 74, .12), transparent 34rem),
        linear-gradient(180deg, #fbfffc 0%, var(--bg) 48%, #ffffff 100%);
      line-height: 1.6;
    }

    a { color: inherit; text-decoration: none; }
    .container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

    .nav {
      position: sticky;
      top: 0;
      z-index: 40;
      border-bottom: 1px solid rgba(216, 234, 223, .82);
      background: rgba(246, 251, 247, .82);
      backdrop-filter: blur(18px);
    }

    .nav-inner {
      height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -0.04em;
    }

    .brand-logo {
      width: 42px;
      height: 42px;
      object-fit: contain;
    }

    .brand-text strong { display: block; line-height: 1; font-size: 1.05rem; }
    .brand-text span { display: block; color: var(--muted); font-size: .74rem; letter-spacing: .01em; margin-top: 3px; }

    .nav-links {
      display: flex;
      gap: 24px;
      align-items: center;
      color: var(--muted);
      font-size: .94rem;
      font-weight: 700;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      line-height: 1;
    }

    .nav-links a:hover,
    .nav-links a.active { color: var(--green); }

    .nav-art {
      display: block;
      width: 80px;
      height: 80px;
      object-fit: contain;
      flex: 0 0 80px;
    }

    .nav-item {
      position: relative;
      display: inline-flex;
      align-items: center;
    }

    .submenu {
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      display: none;
      min-width: 104px;
      padding: 8px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--surface);
      box-shadow: 0 14px 32px rgba(0,0,0,.08);
      z-index: 60;
    }

    .nav-item:hover .submenu,
    .nav-item:focus-within .submenu {
      display: grid;
      gap: 4px;
    }

    .submenu a {
      padding: 8px 10px;
      border-radius: 10px;
      white-space: nowrap;
    }

    .submenu a:hover {
      background: var(--green-soft);
      text-decoration: none;
    }

    header {
      padding: 92px 0 58px;
    }

    .kicker {
      color: var(--green);
      font-size: .76rem;
      font-weight: 950;
      text-transform: uppercase;
      letter-spacing: .14em;
    }

    h1 {
      max-width: 1040px;
      margin: 16px 0 18px;
      color: var(--dark);
      font-size: clamp(3rem, 6vw, 6rem);
      line-height: .95;
      letter-spacing: 0;
    }

    .lead {
      width: 100%;
      max-width: none;
      margin: 0;
      color: var(--muted);
      font-size: clamp(1.05rem, 1.5vw, 1.22rem);
    }

    .theme-section {
      scroll-margin-top: 96px;
      padding: 78px 0;
      border-top: 1px solid var(--line);
    }

    .theme-block {
      display: grid;
      gap: 28px;
    }

    .theme-block h2 {
      margin: 8px 0 18px;
      color: var(--dark);
      font-size: clamp(2.2rem, 4vw, 4.2rem);
      line-height: 1;
      letter-spacing: 0;
    }

    .theme-block p {
      width: 100%;
      max-width: none;
      margin: 0;
      color: var(--muted);
      font-size: 1.12rem;
    }

    .theme-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: contain;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: white;
      box-shadow: var(--shadow);
      -webkit-user-drag: none;
      user-select: none;
    }

    .theme-caption {
      border-top: 1px solid var(--line);
      padding-top: 18px;
    }

    .theme-caption h3 {
      margin: 0 0 10px;
      color: var(--dark);
      font-size: 1rem;
      line-height: 1.25;
    }

    .theme-caption ul {
      display: grid;
      gap: 8px;
      margin: 0;
      padding-left: 18px;
      color: var(--muted);
      font-size: .9rem;
      line-height: 1.45;
    }

    .theme-caption em {
      color: var(--dark);
      font-style: italic;
    }

    footer {
      border-top: 1px solid var(--line);
      padding: 42px 0;
      color: var(--muted);
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 22px;
      flex-wrap: wrap;
    }

    @media (max-width: 920px) {
      .theme-block { gap: 24px; }
    }

    @media (max-width: 640px) {
      .container { width: min(100% - 28px, var(--max)); }
      header { padding: 58px 0 42px; }
      .theme-section { padding: 54px 0; }
      .brand-text span { display: none; }
    }