:root {
  --fn-bg: #f4f7f9;
  --fn-surface: #ffffff;
  --fn-text: #14212b;
  --fn-muted: #52616d;
  --fn-line: #cbd5dc;
  --fn-accent: #087f5b;
  --fn-accent-dark: #046247;
  --fn-dark: #13252b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.fortop-net-site { margin: 0; background: var(--fn-bg); color: var(--fn-text); font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif; }
.fortop-net-site a { color: inherit; }
.fn-header { min-height: 72px; max-width: 1440px; margin: 0 auto; padding: 14px clamp(20px, 4vw, 64px); display: flex; align-items: center; justify-content: space-between; gap: 32px; background: var(--fn-bg); }
.fn-brand img { display: block; width: 190px; height: auto; }
.fn-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); font-size: 14px; font-weight: 650; white-space: nowrap; }
.fn-nav a { text-decoration: none; }
.fn-nav a:hover, .fn-nav a:focus-visible { color: var(--fn-accent); }
.fn-nav-cta { padding: 10px 18px; border: 1px solid var(--fn-text); border-radius: 12px; }
#main-content { overflow: hidden; }
.fn-hero { min-height: min(760px, calc(100dvh - 72px)); max-width: 1440px; margin: 0 auto; padding: clamp(36px, 6vw, 82px) clamp(20px, 4vw, 64px) clamp(56px, 8vw, 110px); display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr); align-items: center; gap: clamp(40px, 7vw, 104px); }
.fn-hero-copy { max-width: 620px; }
.fn-kicker { margin: 0 0 22px; color: var(--fn-accent); font-size: 12px; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.fn-hero h1 { margin: 0; max-width: 11ch; font-size: clamp(48px, 6.3vw, 88px); line-height: .98; letter-spacing: -.055em; font-weight: 720; }
.fn-lead { max-width: 550px; margin: 28px 0 0; color: var(--fn-muted); font-size: clamp(17px, 1.7vw, 21px); line-height: 1.55; }
.fn-actions { margin-top: 34px; display: flex; align-items: center; gap: 24px; }
.fn-button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 12px; background: var(--fn-accent); color: #f8fffc !important; font-weight: 750; text-decoration: none; white-space: nowrap; transition: transform .18s ease, background .18s ease; }
.fn-button:hover, .fn-button:focus-visible { background: var(--fn-accent-dark); }
.fn-button:active { transform: translateY(1px); }
.fn-text-link { font-weight: 700; text-underline-offset: 5px; }
.fn-hero-visual { position: relative; min-height: 500px; border-radius: 16px; overflow: hidden; background: var(--fn-dark); }
.fn-hero-visual img { width: 100%; height: 100%; min-height: 500px; object-fit: cover; opacity: .82; }
.fn-services { max-width: 1440px; margin: 0 auto; padding: clamp(72px, 10vw, 144px) clamp(20px, 4vw, 64px); }
.fn-section-heading { max-width: 680px; }
.fn-section-heading h2, .fn-domain h2, .fn-reasons h2, .fn-contact h2 { margin: 0; font-size: clamp(36px, 4.8vw, 64px); line-height: 1.04; letter-spacing: -.045em; }
.fn-section-heading p { margin: 20px 0 0; color: var(--fn-muted); font-size: 18px; }
.fn-service-grid { margin-top: 52px; display: grid; grid-template-columns: 1.35fr .85fr; grid-template-rows: repeat(2, minmax(230px, auto)); gap: 20px; }
.fn-service { position: relative; min-height: 230px; padding: clamp(24px, 3vw, 42px); border: 1px solid var(--fn-line); border-radius: 16px; background: var(--fn-surface); display: flex; flex-direction: column; align-items: flex-start; text-decoration: none; overflow: hidden; }
.fn-service-featured { grid-row: 1 / span 2; justify-content: flex-end; background: var(--fn-dark); color: #eff8f5 !important; }
.fn-service img { position: absolute; right: 18px; bottom: 10px; width: 43%; max-height: 78%; object-fit: contain; opacity: .88; }
.fn-service span { position: relative; color: var(--fn-accent); font-size: 13px; font-weight: 750; }
.fn-service strong { position: relative; max-width: 17ch; margin-top: 14px; font-size: clamp(24px, 2.6vw, 38px); line-height: 1.08; letter-spacing: -.035em; }
.fn-service em { position: relative; margin-top: 26px; font-style: normal; font-weight: 700; text-decoration: underline; text-underline-offset: 5px; }
.fn-domain { max-width: 1312px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 64px) clamp(90px, 12vw, 170px); display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: clamp(44px, 8vw, 120px); }
.fn-domain-copy p { margin: 24px 0 30px; color: var(--fn-muted); font-size: 18px; line-height: 1.65; }
.fn-domain img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 16px; }
.fn-reasons { padding: clamp(80px, 10vw, 150px) max(20px, calc((100vw - 1312px) / 2)); background: var(--fn-surface); }
.fn-reasons > h2 { max-width: 720px; }
.fn-reason-list { margin-top: 54px; display: grid; grid-template-columns: 1.25fr .9fr .9fr; gap: clamp(28px, 5vw, 78px); }
.fn-reason-list article { padding-top: 24px; border-top: 1px solid var(--fn-line); }
.fn-reason-list strong { font-size: 22px; }
.fn-reason-list p { color: var(--fn-muted); line-height: 1.65; }
.fn-contact { max-width: 1312px; margin: clamp(70px, 10vw, 150px) auto; padding: clamp(42px, 6vw, 80px); border-radius: 16px; background: var(--fn-accent); color: #f8fffc; display: flex; justify-content: space-between; align-items: end; gap: 40px; }
.fn-contact p { margin: 20px 0 0; max-width: 580px; font-size: 18px; color: #d8f4ea; }
.fn-button-light { background: #f8fffc; color: var(--fn-accent-dark) !important; }
.fn-button-light:hover, .fn-button-light:focus-visible { background: #e9faf3; }
.fn-footer { max-width: 1440px; margin: 0 auto; padding: 48px clamp(20px, 4vw, 64px) 70px; border-top: 1px solid var(--fn-line); display: flex; justify-content: space-between; gap: 32px; }
.fn-footer p { max-width: 520px; color: var(--fn-muted); }
.fn-footer-links { display: flex; flex-direction: column; align-items: flex-end; gap: 9px; }
.fn-footer a { text-underline-offset: 4px; }
body:not(.home) #main-content { max-width: 1120px; min-height: 60dvh; margin: 0 auto; padding: 64px 24px 110px; }

@media (prefers-color-scheme: dark) {
  :root { --fn-bg: #10191e; --fn-surface: #17242a; --fn-text: #eef5f6; --fn-muted: #a7b6bc; --fn-line: #33444b; --fn-accent: #4fc59b; --fn-accent-dark: #2ca77d; --fn-dark: #0b1418; }
  .fn-brand img { filter: brightness(0) invert(1); }
  .fn-button { color: #071611 !important; }
  .fn-nav-cta { border-color: var(--fn-text); }
  .fn-button-light { color: #07523b !important; }
}

@media (max-width: 860px) {
  .fn-header { align-items: flex-start; }
  .fn-nav { gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
  .fn-hero { min-height: auto; grid-template-columns: 1fr; padding-top: 42px; }
  .fn-hero h1 { max-width: 12ch; font-size: clamp(46px, 12vw, 70px); }
  .fn-hero-visual, .fn-hero-visual img { min-height: 380px; }
  .fn-service-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .fn-service-featured { grid-row: auto; min-height: 340px; }
  .fn-domain { grid-template-columns: 1fr; }
  .fn-domain img { grid-row: 1; }
  .fn-reason-list { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .fn-header { min-height: auto; display: block; }
  .fn-brand img { width: 160px; }
  .fn-nav { margin-top: 18px; justify-content: flex-start; font-size: 13px; }
  .fn-nav a:nth-child(4) { display: none; }
  .fn-hero { padding-left: 20px; padding-right: 20px; }
  .fn-hero-visual, .fn-hero-visual img { min-height: 290px; }
  .fn-service img { width: 46%; opacity: .72; }
  .fn-contact, .fn-footer { margin-left: 20px; margin-right: 20px; flex-direction: column; align-items: flex-start; }
  .fn-footer { padding-left: 0; padding-right: 0; }
  .fn-footer-links { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fn-button { transition: none; }
}