.business-page { --b-ink: #091f49; --b-muted: #53657c; --b-line: #dce5ed; }
.b-container { width: min(1192px, calc(100% - 48px)); margin-inline: auto; }
.b-section { padding-block: 100px; }
.business-page h2 { margin: 0; font-size: clamp(34px, 3.7vw, 52px); line-height: 1.12; letter-spacing: -.05em; }
.business-page h3, .business-page h4 { letter-spacing: -.035em; line-height: 1.2; }
.business-page .eyebrow { font-size: 12px; }
.b-hero { color: #fff; position: relative; overflow: hidden; background: linear-gradient(90deg, #061a41 4%, rgba(6,26,65,.95) 39%, rgba(6,26,65,.35) 78%), url('hero-fibra.png') 74% 54% / cover no-repeat; }
.b-breadcrumb { margin: 0; padding: 28px 0 48px; font-size: 13px; color: #c5d3e6; display: flex; gap: 13px; flex-wrap: wrap; }
.b-breadcrumb a:hover { color: #fff; text-decoration: underline; }
.b-hero-content { max-width: 770px; padding-bottom: 65px; }
.b-hero h1 { font-size: clamp(46px, 5.6vw, 78px); line-height: 1.03; letter-spacing: -.065em; max-width: 800px; }
.b-hero h1 em { color: #6cdeff; }
.b-hero-description { font-size: 18px; line-height: 1.7; max-width: 545px; color: #cfdbec; margin: 26px 0 30px; }
.b-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.b-primary { background: #ff761a; color: #091f49; border-radius: 9px; gap: 22px; transition: background .2s, transform .2s; font-size: 15px; }
.b-primary:hover { background: #ff934c; transform: translateY(-2px); }
.b-primary span { font-size: 22px; line-height: 1; }
.b-hero-link { font-size: 14px; font-weight: 700; padding: 12px 0; border-bottom: 1px solid #8ba2c5; }
.b-hero-link span { margin-left: 10px; color: #6cdeff; }
.b-hero-bottom { border-top: 1px solid #ffffff36; display: flex; justify-content: space-between; align-items: center; padding: 22px 0; }
.b-hero-bottom > span { font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.b-hero-bottom p { margin: 0; color: #c5d3e6; font-size: 13px; line-height: 1.5; text-align: right; }
.b-hero-bottom strong { color: #fff; font-weight: 600; }
.b-jump { display: grid; grid-template-columns: repeat(4, 1fr); padding-inline: max(24px, calc((100% - 1192px)/2)); background: #f3f7fc; border-bottom: 1px solid var(--b-line); }
.b-jump a { padding: 26px 22px; border-right: 1px solid var(--b-line); font-size: 14px; font-weight: 800; display: flex; align-items: center; gap: 12px; }
.b-jump a:first-child { padding-left: 0; }
.b-jump a:last-child { border-right: 0; }
.b-jump a:hover { color: #0754c8; }
.b-jump span { color: #667a92; font-weight: 500; font-size: 12px; }
.b-jump b { margin-left: auto; font-size: 20px; color: #0754c8; }
.b-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 52px; margin-bottom: 44px; }
.b-section-heading > p { max-width: 390px; margin: 0 0 4px; color: var(--b-muted); line-height: 1.8; }
.b-isp { display: grid; grid-template-columns: 1.04fr 1fr; color: #fff; background: #081f4b; border-radius: 20px; overflow: hidden; }
.b-isp-main { display: flex; flex-direction: column; align-items: flex-start; padding: 48px; background: radial-gradient(ellipse at 5% 100%, #0c4a87 0, transparent 68%); }
.b-label { font-size: 12px; letter-spacing: .1em; padding: 8px 12px; border: 1px solid #6cdeff66; border-radius: 5px; color: #8ce6ff; font-weight: 700; }
.b-isp-main h3 { font-size: clamp(34px, 4vw, 53px); margin: 38px 0 20px; }
.b-isp-main p { color: #cfdbec; margin: 0 0 38px; max-width: 400px; line-height: 1.8; }
.b-isp-main .button { margin-top: auto; }
.b-isp-main small { font-size: 12px; color: #b8c9e0; margin-top: 15px; }
.b-isp-options { margin: 42px 46px 42px 0; border-left: 1px solid #ffffff29; padding-left: 42px; }
.b-isp-options > div { padding: 0 0 22px; margin-bottom: 22px; border-bottom: 1px solid #ffffff29; }
.b-isp-options > div:last-child { margin: 0; padding: 0; border: 0; }
.b-isp-options div > span { color: #75daff; font-size: 11px; letter-spacing: .12em; font-weight: 800; }
.b-isp-options h4 { font-size: 22px; margin: 10px 0; }
.b-isp-options p { font-size: 14px; line-height: 1.8; color: #c4d3e8; margin: 0; }
.b-isp-options a { display: inline-flex; gap: 15px; font-size: 13px; font-weight: 800; color: #8ce6ff; padding-top: 12px; }
.b-spec-note { display: grid; grid-template-columns: 230px 1fr; gap: 22px; padding: 27px 0 0; align-items: baseline; }
.b-spec-note strong { color: var(--b-ink); font-size: 15px; }
.b-spec-note p { font-size: 13px; line-height: 1.8; color: var(--b-muted); margin: 0; }
.b-connectivity { background: #f1f5f9; border-block: 1px solid #e3eaf1; }
.b-connect-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.b-connect-grid article { background: #fff; border: 1px solid var(--b-line); border-radius: 14px; padding: 30px; display: flex; flex-direction: column; }
.b-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 33px; }
.b-card-top > span:first-child { color: #0754c8; font-size: 25px; font-weight: 500; }
.b-card-top > span:last-child { color: var(--b-muted); font-size: 11px; letter-spacing: .09em; font-weight: 800; }
.b-connect-grid h3 { font-size: 29px; margin: 0 0 18px; color: var(--b-ink); }
.b-connect-grid p { font-size: 15px; color: var(--b-muted); margin: 0; line-height: 1.8; }
.b-connect-grid ul { list-style: none; padding: 22px 0 28px; margin: 0; font-size: 13px; color: #435870; }
.b-connect-grid li { position: relative; padding-left: 17px; margin: 9px 0; }
.b-connect-grid li::before { content: ""; width: 5px; height: 5px; background: #ff6b00; border-radius: 50%; position: absolute; top: 9px; left: 0; }
.b-connect-grid a { padding-top: 22px; border-top: 1px solid var(--b-line); margin-top: auto; display: flex; justify-content: space-between; gap: 10px; color: #0754c8; font-size: 14px; font-weight: 800; }
.b-connect-grid a:hover, .b-solutions a:hover { color: #071e55; text-decoration: underline; text-underline-offset: 4px; }
.b-solutions { display: grid; grid-template-columns: 1fr 1fr; column-gap: 54px; }
.b-solutions article { display: flex; gap: 23px; border-top: 1px solid var(--b-line); padding: 30px 0; }
.b-solution-tag { flex: 0 0 58px; height: 58px; background: #eff5fc; border: 1px solid #dce6f2; border-radius: 12px; color: #0754c8; display: grid; place-items: center; font-size: 12px; font-weight: 800; }
.b-solutions h3 { margin: 0 0 12px; font-size: 22px; }
.b-solutions p { margin: 0 0 12px; color: var(--b-muted); font-size: 15px; line-height: 1.8; }
.b-solutions a { color: #0754c8; font-size: 14px; font-weight: 800; display: inline-block; padding-block: 7px; }
.b-solutions a span { margin-left: 8px; }
.b-energy { display: flex; align-items: center; gap: 28px; padding: 32px; margin-top: 32px; background: #eaf7f0; border: 1px solid #c8e6d8; border-radius: 14px; color: #123f31; transition: background .2s; }
.b-energy:hover { background: #def1e7; }
.b-energy-icon { font-size: 46px; font-weight: 500; }
.b-energy div { flex: 1; }
.b-energy div > span { letter-spacing: .1em; font-weight: 800; font-size: 11px; }
.b-energy h3 { font-size: 23px; margin: 10px 0; }
.b-energy p { font-size: 14px; margin: 0; color: #345e4e; max-width: 650px; }
.b-energy strong { font-size: 14px; white-space: nowrap; }
.b-energy strong span { margin-left: 8px; }
.b-segments { background: #071e49; color: #fff; }
.b-segments-inner { padding-block: 78px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; }
.b-segment-list > div { padding: 21px 0; border-top: 1px solid #ffffff30; }
.b-segment-list > div:first-child { padding-top: 0; border: 0; }
.b-segment-list > div:last-child { padding-bottom: 0; }
.b-segment-list h3 { font-size: 23px; margin: 0 0 9px; }
.b-segment-list p { color: #bdcfe5; margin: 0; font-size: 15px; }
.b-steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin: 0 0 65px; }
.b-steps li { border-top: 1px solid #cad8e8; padding-top: 24px; }
.b-steps li > span { color: #0754c8; font-size: 32px; letter-spacing: -.05em; }
.b-steps h3 { margin: 14px 0 12px; font-size: 22px; }
.b-steps p { color: var(--b-muted); font-size: 15px; margin: 0; line-height: 1.8; }
.b-project-cta { background: #0754c8; color: #fff; display: flex; justify-content: space-between; align-items: center; gap: 45px; padding: 46px; border-radius: 18px; }
.b-project-cta h2 { font-size: clamp(32px, 3.4vw, 44px); }
.b-project-cta p:not(.eyebrow) { color: #d2e6ff; margin: 20px 0 0; font-size: 15px; }
.b-project-actions { display: flex; flex-direction: column; gap: 18px; align-items: center; flex-shrink: 0; }
.b-project-actions > a:last-child { font-size: 14px; padding: 6px; }
.b-project-actions > a:last-child:hover { text-decoration: underline; }
.b-faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 75px; padding-bottom: 60px; }
.b-faq-list details { border-bottom: 1px solid var(--b-line); }
.b-faq-list details:first-child { border-top: 1px solid var(--b-line); }
.b-faq-list summary { position: relative; cursor: pointer; list-style: none; padding: 22px 35px 22px 0; font-size: 16px; font-weight: 800; line-height: 1.5; }
.b-faq-list summary::-webkit-details-marker { display: none; }
.b-faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 20px; font-size: 24px; color: #0754c8; font-weight: 500; }
.b-faq-list details[open] summary::after { content: "−"; }
.b-faq-list details p { margin: 0 0 24px; font-size: 15px; color: var(--b-muted); line-height: 1.8; }
.b-faq-list details a { color: #0754c8; text-decoration: underline; }
.b-legal { color: var(--b-muted); font-size: 12px; line-height: 1.8; margin-top: 0; padding-bottom: 36px; }
@media (max-width: 1100px) {
  .b-isp-main { padding: 35px; }
  .b-isp-options { margin: 32px 30px 32px 0; padding-left: 28px; }
  .b-connect-grid { gap: 14px; }
  .b-connect-grid article { padding: 23px; }
  .b-project-cta { padding: 34px; gap: 26px; }
  .b-project-actions { flex-shrink: 1; min-width: 260px; }
}
@media (max-width: 800px) {
  .b-section { padding-block: 72px; }
  .b-hero { background-position: 65% center; }
  .b-hero-content { max-width: 620px; }
  .b-jump { grid-template-columns: 1fr 1fr; padding-inline: 24px; }
  .b-jump a { padding: 20px 15px; }
  .b-jump a:nth-child(odd) { padding-left: 0; }
  .b-jump a:nth-child(even) { border-right: 0; }
  .b-jump a:nth-child(-n+2) { border-bottom: 1px solid var(--b-line); }
  .b-section-heading { display: block; margin-bottom: 32px; }
  .b-section-heading > p { max-width: 600px; margin-top: 22px; }
  .b-isp { grid-template-columns: 1fr; }
  .b-isp-main { padding: 35px; }
  .b-isp-main h3 { margin-top: 26px; }
  .b-isp-main p { max-width: 550px; }
  .b-isp-options { border-left: 0; border-top: 1px solid #ffffff29; margin: 0 35px 35px; padding: 28px 0 0; }
  .b-spec-note { display: block; }
  .b-spec-note p { margin-top: 10px; }
  .b-connect-grid { grid-template-columns: 1fr; gap: 18px; }
  .b-connect-grid article { padding: 28px; }
  .b-connect-grid h3 br { display: none; }
  .b-card-top { margin-bottom: 20px; }
  .b-solutions { column-gap: 25px; }
  .b-solutions article { display: block; }
  .b-solution-tag { display: inline-grid; width: 58px; margin-bottom: 20px; }
  .b-energy { flex-wrap: wrap; gap: 18px; }
  .b-energy strong { width: 100%; padding-left: 52px; }
  .b-segments-inner { gap: 38px; }
  .b-steps { gap: 24px; }
  .b-project-cta { flex-direction: column; align-items: flex-start; }
  .b-project-actions { align-items: flex-start; min-width: 0; }
  .b-faq { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 540px) {
  .b-container { width: calc(100% - 36px); }
  .b-breadcrumb { padding-block: 22px 34px; font-size: 12px; }
  .b-hero { background-image: linear-gradient(90deg, rgba(6,26,65,.96), rgba(6,26,65,.82)), url('hero-fibra.png'); }
  .b-hero-content { padding-bottom: 40px; }
  .b-hero h1 { font-size: clamp(40px, 10vw, 54px); }
  .b-hero-description { font-size: 16px; }
  .b-actions { align-items: flex-start; flex-direction: column; gap: 12px; }
  .b-actions .button { width: 100%; }
  .b-hero-bottom { display: block; padding-block: 23px; }
  .b-hero-bottom p { text-align: left; margin-top: 12px; }
  .b-jump { padding-inline: 18px; }
  .b-jump a { display: grid; grid-template-columns: 14px minmax(0, 1fr) 14px; font-size: 12px; gap: 6px; padding: 17px 10px; }
  .b-jump a b { font-size: 17px; }
  .b-jump span { font-size: 11px; }
  .b-isp-main { padding: 28px 23px; }
  .b-isp-main h3 { font-size: 37px; }
  .b-isp-main .button { padding-inline: 15px; font-size: 13px; gap: 12px; width: 100%; }
  .b-isp-options { margin-inline: 23px; }
  .b-solutions { grid-template-columns: 1fr; }
  .b-solutions article { display: flex; gap: 18px; }
  .b-solution-tag { flex-basis: 48px; width: 48px; height: 48px; font-size: 11px; }
  .b-solutions h3 { font-size: 21px; }
  .b-energy { padding: 24px; display: block; }
  .b-energy-icon { display: none; }
  .b-energy strong { display: block; padding: 22px 0 0; }
  .b-segments-inner { grid-template-columns: 1fr; padding-block: 60px; }
  .b-segments h2 br { display: none; }
  .b-steps { grid-template-columns: 1fr; gap: 28px; margin-bottom: 42px; }
  .b-project-cta { padding: 30px 23px; gap: 30px; }
  .b-project-actions { width: 100%; align-items: stretch; }
  .b-project-actions .button { font-size: 13px; padding: 14px; gap: 10px; text-align: center; }
  .b-faq-list summary { font-size: 15px; }
}