:root {
  --ink: #111214;
  --ink-2: #2a2d33;
  --muted: #5c626c;
  --bg: #ffffff;
  --bg-alt: #f4f6f8;
  --line: #e2e6ea;
  --accent: #0fa3d1;
  --accent-ink: #087fa5;
  --dark: #111214;
  --dark-2: #1b1d21;
  --radius: 12px;
  --wrap: 1200px;
  --head: "Manrope", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 var(--body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--head); font-weight: 800; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.4rem, 5vw, 3.9rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -.01em; }
h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }
.eyebrow { font: 600 .78rem/1 var(--body); text-transform: uppercase; letter-spacing: .14em; color: var(--accent-ink); margin-bottom: 1rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: .9em 1.5em; border-radius: 8px; font: 600 .95rem/1 var(--body); text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background .2s, border-color .2s, color .2s; }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: var(--accent-ink); }
.btn--ghost { border-color: var(--ink); color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: #fff; }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--bg-alt); }
.btn--sm { padding: .7em 1.1em; font-size: .88rem; }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.logo { display: block; text-decoration: none; flex-shrink: 0; }
.logo img { height: 38px; width: auto; }
.logo--footer img { height: 44px; margin-bottom: 18px; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav > ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.nav a { text-decoration: none; font-weight: 500; font-size: .95rem; white-space: nowrap; }
.nav > ul a:hover { color: var(--accent-ink); }
.nav__phone { font-weight: 600 !important; color: var(--ink); }
.menu-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; color: var(--ink); }
.menu-toggle__bars, .menu-toggle__bars::before, .menu-toggle__bars::after { display: block; width: 24px; height: 2px; background: currentColor; position: relative; transition: .2s; margin: 0 auto; }
.menu-toggle__bars::before, .menu-toggle__bars::after { content: ""; position: absolute; left: 0; }
.menu-toggle__bars::before { top: -7px; }
.menu-toggle__bars::after { top: 7px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before { top: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after { top: 0; transform: rotate(-45deg); }

/* Hero */
.hero { padding: 72px 0 88px; background: linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%); border-bottom: 1px solid var(--line); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero h1 span { color: var(--accent-ink); display: block; }
.hero__intro { font-size: 1.12rem; color: var(--ink-2); max-width: 52ch; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.hero__points { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: .92rem; color: var(--muted); }
.hero__points li::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-right: 8px; vertical-align: middle; }
.hero__art svg { width: 100%; height: auto; max-width: 440px; margin-left: auto; display: block; }
.hero__art svg [fill="#0b1f3a"] { fill: var(--ink); }
.hero__art svg [stroke="#0b1f3a"] { stroke: var(--ink); }
.hero__art svg [fill="#1d3a63"] { fill: #33373e; }
.ring { transform-origin: 210px 210px; animation: pulse 3.6s ease-out infinite; }
.r2 { animation-delay: 1.2s; } .r3 { animation-delay: 2.4s; }
@keyframes pulse { 0% { transform: scale(.6); opacity: 0; } 30% { opacity: 1; } 100% { transform: scale(1.15); opacity: 0; } }

/* Sections */
.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--dark { background: var(--dark); color: #fff; }
.section--dark p { color: #b9bec6; }
.section--dark .eyebrow { color: var(--accent); }
.section__head { max-width: 720px; margin-bottom: 48px; }

/* Service lines */
.lines { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.line { border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; background: #fff; transition: border-color .2s, box-shadow .2s; }
.line:hover { border-color: #c9d0d7; box-shadow: 0 10px 30px rgba(17,18,20,.06); }
.line__icon { width: 52px; height: 52px; border-radius: 12px; background: var(--ink); display: grid; place-items: center; margin-bottom: 22px; }
.line__icon svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.line h3 { font-size: 1.6rem; }
.line p { color: var(--muted); }
.ticks { list-style: none; padding: 0; margin: 1.2em 0 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 30px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .3em; width: 18px; height: 18px; border-radius: 50%; background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='%23fff' stroke-width='3'/%3E%3C/svg%3E") center/12px no-repeat; }

/* Reasons */
.reasons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.reason { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }
.reason__icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; background: #e3f5fb; margin-bottom: 18px; }
.reason__icon svg { width: 22px; height: 22px; fill: none; stroke: var(--accent-ink); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.reason p { color: var(--muted); margin: 0; font-size: .95rem; }

/* Solutions */
.sols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sol { border: 1px solid var(--line); border-top: 4px solid var(--ink); border-radius: var(--radius); padding: 30px 28px; }
.sol:nth-child(n+2) { border-top-color: var(--accent-ink); }
.sol:first-child { border-top-color: var(--accent); }
.sol__tag { display: inline-block; font: 600 .72rem/1 var(--body); text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: 14px; }
.sol h3 { font-size: 1.45rem; }
.sol p { color: var(--muted); margin: 0; }
.sols__note { margin: 28px 0 0; font-weight: 500; }

/* Stages */
.stages { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.stage { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }
.stage__head { display: flex; align-items: baseline; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 18px; }
.stage__head h3 { margin: 0; font-size: 1.3rem; }
.stage__num { font: 800 .95rem/1 var(--head); color: var(--accent-ink); }
.svc { margin: 0; }
.svc dt { font-weight: 600; margin-top: 14px; }
.svc dt:first-child { margin-top: 0; }
.svc dd { margin: 4px 0 0; color: var(--muted); font-size: .93rem; }
.stage__note { margin-top: 22px; padding: 16px; background: var(--bg-alt); border-radius: 8px; font-size: .9rem; }
.stage__note p { margin: 4px 0 0; color: var(--muted); }

/* Clients */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.chips { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.chips li { padding: 18px 20px; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 8px; background: #fff; display: grid; gap: 2px; }
.chips span { color: var(--muted); font-size: .88rem; }

/* Why WSA */
.whys { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.why { border: 1px solid #2c2f35; border-radius: var(--radius); padding: 26px 22px; background: var(--dark-2); }
.why h3::before { content: ""; display: block; width: 28px; height: 3px; background: var(--accent); margin-bottom: 14px; }
.why p { margin: 0; font-size: .95rem; }

/* FAQ */
.faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 56px; }
.faq__list { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 0 22px; }
.faq summary { cursor: pointer; padding: 18px 28px 18px 0; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--accent-ink); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 0 0 18px; }
.faq a { color: var(--accent-ink); }

/* CTA band */
.cta-band { background: var(--accent-ink); color: #fff; padding: 56px 0; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: .3em; }
.cta-band p { margin: 0; color: #dff4fb; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; }
.details { display: grid; grid-template-columns: 110px 1fr; gap: 14px 20px; margin: 2em 0 0; }
.details dt { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; padding-top: 3px; }
.details dd { margin: 0; font-weight: 500; }
.details a { color: var(--accent-ink); text-decoration: none; }
.form { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 6px; font-size: .88rem; font-weight: 500; color: var(--ink-2); }
.form input, .form select, .form textarea { font: inherit; color: var(--ink); background: #fff; border: 1px solid #cfd5db; border-radius: 8px; padding: 12px 14px; width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.form .btn { justify-self: start; }
.form__status { margin: 0; font-weight: 500; }
.form__status.ok { color: #1a7f37; }
.form__status.err { color: #b42318; }
.hp { position: absolute; left: -9999px; }

/* Footer */
.footer { background: var(--dark); color: #fff; padding: 64px 0 0; font-size: .95rem; }
.footer .muted { color: #a9afb8; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
.footer h4 { color: #a9afb8; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--accent); }
.footer__nav { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; color: #a9afb8; }
.footer__base { border-top: 1px solid #2c2f35; margin-top: 48px; padding-top: 20px; padding-bottom: 20px; color: #a9afb8; font-size: .85rem; }

/* Mavenir feature */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feature .btn { margin-top: 10px; }
.feature__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.feature__list li { display: grid; gap: 2px; padding: 18px 20px; border: 1px solid #2c2f35; border-left: 3px solid var(--accent); border-radius: 8px; background: var(--dark-2); }
.feature__list span { color: #b9bec6; font-size: .93rem; }
.sol:first-child { background: #f0fafd; }
.sol a { color: var(--accent-ink); font-weight: 600; }

/* DAS architectures */
.archs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.arch { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; background: #fff; display: flex; flex-direction: column; }
.arch__top { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.arch__tag { font: 600 .72rem/1 var(--body); text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.arch__cfg { font: 700 .75rem/1 var(--body); padding: 6px 10px; border-radius: 99px; background: var(--bg-alt); border: 1px solid var(--line); }
.arch h3 { font-size: 1.45rem; }
.arch p { color: var(--muted); }
.arch p a { color: var(--accent-ink); font-weight: 600; }
.arch__specs { list-style: none; padding: 16px 0 0; margin: auto 0 0; border-top: 1px solid var(--line); display: grid; gap: 6px; font-size: .92rem; font-weight: 500; }
.arch__specs span { display: inline-block; min-width: 150px; color: var(--muted); font-weight: 400; }
.arch--hybrid { border-top: 4px solid var(--ink); }
.arch--active { border-top: 4px solid var(--accent); background: #f0fafd; }
.table-wrap { margin-top: 40px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.compare { width: 100%; border-collapse: collapse; font-size: .93rem; min-width: 720px; }
.compare caption { text-align: left; padding: 18px 20px 6px; font: 800 1.15rem/1.2 var(--head); }
.compare th, .compare td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); background: var(--bg-alt); }
.compare tbody th { font-weight: 600; white-space: nowrap; }
.compare td:last-child { background: #f0fafd; font-weight: 500; }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }

/* Client logos */
.logos { padding: 40px 0 44px; border-bottom: 1px solid var(--line); background: #fff; }
.logos__title { text-align: center; font: 600 .78rem/1.4 var(--body); text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin-bottom: 26px; }
.logos__list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 18px 36px; }
.logos__list li { display: flex; align-items: center; min-height: 44px; }
.logos__list img { display: none; max-height: 40px; max-width: 140px; width: auto; filter: grayscale(1); opacity: .75; transition: filter .2s, opacity .2s; }
.logos__list li.has-logo img { display: block; }
.logos__list li.has-logo span { display: none; }
.logos__list li:hover img { filter: none; opacity: 1; }
.logos__list span { font: 800 1.05rem/1 var(--head); letter-spacing: -.01em; color: #6b717a; white-space: nowrap; }

/* GWN */
.gwn { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gwn__card { border: 1px solid #2c2f35; border-top: 3px solid #e0a526; border-radius: var(--radius); padding: 28px 24px; background: var(--dark-2); }
.gwn__card h3 { font-size: 1.3rem; }
.gwn__card p { margin: 0; font-size: .95rem; }
.gwn__note { margin: 28px 0 0; font-size: .9rem; }
#gwn .eyebrow { color: #e0a526; }

.footer__copy { margin: 0 0 8px; }
.footer__legal { margin: 0; font-size: .78rem; line-height: 1.6; color: #8a909a; max-width: 110ch; }

/* Responsive */
@media (max-width: 1240px) { .nav__phone { display: none; } }
@media (max-width: 1060px) {
  .reasons, .stages, .whys { grid-template-columns: 1fr 1fr; }
  .whys { grid-template-columns: 1fr 1fr; }
  .nav__phone { display: none; }
}
@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 24px 24px; display: none; }
  .nav.open { display: flex; }
  .nav > ul { flex-direction: column; gap: 0; }
  .nav > ul a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .nav__phone { display: block; padding: 14px 0; }
  .nav .btn { margin-top: 12px; }
  .gwn, .archs, .feature, .hero__grid, .lines, .sols, .split, .faq, .contact { grid-template-columns: 1fr; }
  .hero__art { order: -1; }
  .hero__art svg { max-width: 260px; margin: 0 auto; }
  .split, .faq, .contact { gap: 32px; }
  .section { padding: 72px 0; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 600px) {
  .logos__list { gap: 14px 26px; }
  .logos__list span { font-size: .92rem; }
  .wrap { padding: 0 16px; }
  .logo img { height: 30px; }
  .hero { padding: 40px 0 64px; }
  .reasons, .stages, .whys, .chips, .form__row, .footer__grid { grid-template-columns: 1fr; }
  .line { padding: 26px; }
  .form { padding: 22px; }
  .details { grid-template-columns: 1fr; gap: 2px; }
  .details dd { margin-bottom: 12px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }