.site-header { position: absolute; z-index: 50; top: 0; right: 0; left: 0; height: 100px; color: var(--white); }
.site-header.is-scrolled { position: fixed; height: 76px; background: color-mix(in srgb, var(--b2b-dark) 94%, transparent); box-shadow: 0 8px 30px rgba(20, 17, 23, .14); backdrop-filter: blur(14px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: block; width: 92px; }
.brand img { width: 100%; height: auto; }
.site-nav { display: flex; align-items: center; gap: 31px; font-family: var(--font-body); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; }
.site-nav a { position: relative; padding: 12px 0; }
.site-nav a::after { position: absolute; right: 0; bottom: 4px; left: 0; height: 1px; content: ""; background: var(--b2b-green); transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 11px; border: 1px solid rgba(255,255,255,.3); background: transparent; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--b2b-green); transition: transform .2s ease; }
.section-heading { position: relative; z-index: 2; max-width: 790px; margin: 0 auto 70px; text-align: center; }
.section-heading h2 { margin-bottom: 22px; color: var(--b2b-green); font-size: clamp(42px, 4.15vw, 60px); font-weight: 600; }
.section-heading p { margin-bottom: 0; font-size: clamp(18px, 1.7vw, 26px); font-weight: 600; line-height: 1.22; }
.section-heading-dark h2 { color: var(--b2b-dark); }
.section-heading-light p { color: var(--b2b-dark); }
.section-notch { position: absolute; z-index: 4; bottom: -40px; left: 50%; width: 80px; height: 40px; background: inherit; clip-path: polygon(0 0, 50% 100%, 100% 0); transform: translateX(-50%); }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 18px; padding: 12px 22px; border: 1px solid currentColor; font-size: 12px; letter-spacing: .22em; line-height: 1; text-transform: uppercase; transition: color .2s ease, background .2s ease, border .2s ease; }
.button-light { color: var(--white); }
.button-light:hover { color: var(--b2b-dark); background: var(--white); }
.button-dark { color: var(--b2b-dark); }
.button-dark:hover { color: var(--white); background: var(--b2b-dark); }
.text-link { display: inline-flex; align-items: center; gap: 12px; padding-bottom: 7px; border-bottom: 1px solid currentColor; font-size: 12px; letter-spacing: .19em; text-transform: uppercase; }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 38px; }
.post-card { min-width: 0; }
.post-media { display: block; overflow: hidden; margin-bottom: 24px; background: var(--b2b-dark); }
.post-media img { width: 100%; aspect-ratio: 1.78; object-fit: cover; transition: transform .5s cubic-bezier(.2,.7,.2,1); }
.post-media:hover img { transform: scale(1.025); }
.post-card h3 { margin-bottom: 17px; font-size: 22px; font-weight: 700; line-height: 1.25; }
.post-card > p { min-height: 80px; margin-bottom: 24px; font-size: 15px; line-height: 1.65; }
.site-footer { padding: 28px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; color: var(--b2b-green); font-size: 11px; letter-spacing: .05em; }
.footer-inner p { margin: 0; }
.footer-inner img { width: 72px; height: auto; }
@media (max-width: 1339px) {
  .site-header, .site-header.is-scrolled { height: 76px; }
  .brand { width: 72px; }
  .menu-toggle { display: block; }
  .site-nav { position: fixed; inset: 76px 0 auto 0; display: grid; max-height: 0; overflow-x: hidden; overflow-y: auto; gap: 0; padding: 0 var(--side); background: var(--b2b-dark); opacity: 0; transition: max-height .3s ease, opacity .2s ease, padding .3s ease; }
  .site-nav.is-open { max-height: calc(100vh - 76px); padding-top: 24px; padding-bottom: 34px; opacity: 1; }
  .site-nav a { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.15); font-size: 14px; }
  .post-grid { grid-template-columns: 1fr; gap: 54px; }
  .post-card > p { min-height: 0; }
  .section-notch { bottom: -28px; width: 56px; height: 28px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}
