.offer-menu { position: relative; }
.offer-menu > summary { cursor: pointer; list-style: none; padding: 7px 0; color: inherit; font: inherit; display: flex; align-items: center; gap: 8px; }
.offer-menu > summary::-webkit-details-marker { display: none; }
.offer-menu.is-current > summary { border-bottom: 1px solid #55b9ff; }
.offer-menu > summary:focus-visible { outline: 2px solid #55b9ff; outline-offset: 5px; }
.offer-menu[open] > summary span { transform: rotate(180deg); }
.offer-menu[open] > .offer-menu__panel { animation: offer-menu-appear .2s ease-out; }
@keyframes offer-menu-appear { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
@media(prefers-reduced-motion:reduce) { .offer-menu[open] > .offer-menu__panel { animation: none; } }
.offer-menu__panel { position: absolute; top: calc(100% + 18px); left: -24px; width: 630px; padding: 24px 24px 0; background: #0b2139; color: #edf5ff; border: 1px solid #294059; box-shadow: 0 24px 55px #0005; z-index: 50; white-space: normal; }
.site-header .offer-menu__eyebrow { margin: 0 0 16px 10px; color: #a2b6cb; font-size: 10px; line-height: 1.6; letter-spacing: 2px; font-weight: 500; text-transform: uppercase; }
.offer-menu__items { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px 12px; }
.site-header .offer-menu__panel .offer-menu__item { display: flex; align-items: center; gap: 13px; padding: 16px 10px; border-radius: 3px; color: #edf5ff; text-decoration: none; transition: background .18s; }
.site-header .offer-menu__panel a::after { display: none; }
.offer-menu__item svg { width: 22px; height: 22px; flex: 0 0 22px; color: #52b8f7; }
.offer-menu__item strong { display: block; font-size: 15px; line-height: 1.5; font-weight: 500; letter-spacing: -.2px; }
.offer-menu__item small { display: block; margin-top: 5px; font-size: 11px; line-height: 1.6; font-weight: 400; color: #a2b6cb; }
.site-header .offer-menu__panel .offer-menu__item:hover, .site-header .offer-menu__panel .offer-menu__item:focus-visible, .site-header .offer-menu__panel .offer-menu__item.is-current { color: #edf5ff; background: #15314e; }
.site-header .offer-menu__panel a:focus-visible { outline: 2px solid #55b9ff; outline-offset: 2px; }
.site-header .offer-menu__panel .offer-menu__all { display: flex; align-items: center; justify-content: space-between; padding: 17px 10px; margin-top: 19px; border-top: 1px solid #294059; color: #edf5ff; font-size: 12px; font-weight: 500; text-decoration: none; }
.offer-menu__all span { color: #46b6ff; font-size: 19px; }
.site-header .offer-menu__panel .offer-menu__all:hover, .site-header .offer-menu__panel .offer-menu__all.is-current { color: #52b8f7; }
.offer-intro { max-width: 720px; margin-bottom: 40px; }
.offer-intro h2 { font-size: clamp(28px,3vw,34px); margin: 12px 0 18px; }
.offer-intro p, .offer-card p { color: var(--muted); line-height: 1.8; }
.offer-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.offer-card { display: flex; flex-direction: column; padding: 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .2s; }
.offer-card:hover, .offer-card:focus-visible { background: #f2f7fe; }
.offer-card__number { color: #1677e5; font-size: 14px; }
.offer-card h2 { font-size: 23px; margin: 24px 0 10px; }
.offer-card p { font-size: 15px; margin: 0 0 24px; }
.offer-card__more { margin-top: auto; color: #0872cf; font-size: 13px; font-weight: 600; }
.offer-intro--end { margin-top: 60px; margin-bottom: 0; }
.network-feature { background: linear-gradient(90deg,rgba(4,17,38,.94),rgba(4,17,38,.64) 45%,rgba(4,17,38,.16)), url('../images/network-rack-banner.jpg') center / cover; }
.network-page .hotel-opening__highlights svg { fill: none; }
.cctv-feature { background: linear-gradient(90deg,rgba(4,17,38,.96),rgba(4,17,38,.72) 45%,rgba(4,17,38,.16)), url('../images/cctv-banner.jpg') center / cover; }
.cctv-page .hotel-opening__highlights svg { fill: none; }
.cctv-page section[id] { scroll-margin-top: 150px; }
.cctv-maintenance { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin: 55px 0; }
.cctv-maintenance img { display: block; width: 100%; height: auto; }
.cctv-maintenance h2 span { color: #1677e5; font-size: .85em; font-weight: 400; }
.cctv-faq h3 { margin-top: 30px; }
.cctv-related { margin: 36px 0; }
@media(max-width:760px) { .cctv-maintenance { grid-template-columns: 1fr; gap: 26px; } }
.network-page section[id] { scroll-margin-top: 150px; }
@media(min-width:1001px) and (max-width:1200px) { .offer-menu__panel { left: -160px; width: 590px; } }
@media(max-width:1000px) { .mobile-menu .offer-menu > summary { border: 0; padding: 10px 0; } .mobile-menu .offer-menu__panel { position: static; width: 100%; margin: 10px 0; padding: 18px 12px 0; box-shadow: none; } .mobile-menu nav { max-height: calc(100dvh - 140px); overflow-y: auto; } }
@media(max-width:600px) { .offer-menu__items { grid-template-columns: 1fr; gap: 4px; } .site-header .offer-menu__panel .offer-menu__item { padding: 12px 10px; } }
@media(max-width:800px) { .offer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media(max-width:500px) { .offer-grid { grid-template-columns: 1fr; } .offer-card { padding: 26px; } }