/* USBA1 Telecom — marketing site styles. Light blue/white, navy text. */
:root{
  --navy:#0B2144; --blue:#1F6FEB; --blue-dark:#1859c4;
  --bg:#ffffff; --bg-alt:#F3F6FB; --text:#1a2333; --muted:#5b6b84;
  --line:#dbe4f2; --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}
img{max-width:100%;display:block}
a{color:var(--blue)}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
.center{text-align:center}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{max-width:1240px;margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy)}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--blue);display:flex;align-items:center;justify-content:center;flex:none}
.brand-mark.sm{width:34px;height:34px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:18px;color:var(--navy)}
.brand-text small{font-size:11px;color:var(--muted)}
.main-nav{display:flex;gap:24px;margin-left:12px}
.main-nav a{text-decoration:none;color:var(--text);font-size:15px;font-weight:500}
.main-nav a:hover,.main-nav a.active{color:var(--blue)}
.nav-toggle{display:none;background:none;border:0;font-size:24px;margin-left:auto;cursor:pointer;color:var(--navy)}

/* Buttons */
.btn{display:inline-block;border-radius:10px;padding:13px 28px;font-size:16px;font-weight:600;text-decoration:none;cursor:pointer;border:1.5px solid transparent;transition:.15s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-outline{background:#fff;color:var(--blue);border-color:var(--blue)}
.btn-outline:hover{background:#eaf1fd}
.btn-light{background:#fff;color:var(--blue);font-weight:700}
.btn-sm{padding:10px 22px;font-size:14px;margin-left:auto}
.btn-block{display:block;text-align:center;width:100%}

/* Hero */
.hero{background:linear-gradient(180deg,#F7FAFF 0%,#fff 100%);padding:64px 0 54px;overflow:hidden}
.hero-inner{max-width:1240px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(34px,4.6vw,52px);line-height:1.12;color:var(--navy);margin-bottom:16px;font-weight:800}
.lead{font-size:18px;color:var(--muted);margin-bottom:28px;max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-media{position:relative}
.hero-media img{border-radius:18px;box-shadow:0 24px 60px rgba(11,33,68,.16);width:100%;height:480px;object-fit:cover}
.script-note{position:absolute;top:26px;right:22px;font-family:Georgia,"Times New Roman",serif;font-style:italic;font-size:26px;color:var(--navy);text-align:right;line-height:1.25;text-shadow:0 1px 0 #fff}
.trust-badges{display:flex;gap:26px;flex-wrap:wrap}
.badge{display:flex;gap:10px;align-items:center;font-size:13.5px;font-weight:600;color:var(--navy)}
.badge-icon{font-size:24px}

/* Sections */
.section{padding:72px 0}
.section.alt{background:var(--bg-alt)}
.section-title{text-align:center;font-size:32px;color:var(--navy);font-weight:800;margin-bottom:8px}
.section-sub{text-align:center;color:var(--muted);font-size:16.5px;margin-bottom:40px}
.card-grid{display:grid;gap:20px}
.card-grid.five{grid-template-columns:repeat(5,1fr)}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;text-align:center;box-shadow:0 4px 16px rgba(11,33,68,.05)}
.f-icon{font-size:34px;margin-bottom:14px;color:var(--blue);font-weight:800}
.feature-card h3{font-size:16.5px;color:var(--navy);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--muted)}

/* Plans */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan-grid.four{grid-template-columns:repeat(2,1fr);max-width:920px;margin:0 auto}
.plan-card{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:32px 28px;position:relative;display:flex;flex-direction:column}
.plan-card.popular{border-color:var(--blue);border-width:2px;box-shadow:0 14px 40px rgba(31,111,235,.14)}
.popular-flag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--blue);color:#fff;font-size:12.5px;font-weight:700;padding:5px 18px;border-radius:999px;white-space:nowrap}
.plan-card h3{font-size:21px;color:var(--navy)}
.plan-tag{font-size:14px;color:var(--muted);margin:6px 0 14px;min-height:42px}
.plan-price{font-size:44px;font-weight:800;color:var(--navy);margin-bottom:18px}
.plan-price .cur{font-size:22px;vertical-align:top;position:relative;top:6px}
.plan-price sup{font-size:20px}
.plan-price .per{font-size:15px;font-weight:500;color:var(--muted)}
.plan-feats{list-style:none;margin:0 0 26px;flex:1}
.plan-feats li{font-size:14.5px;color:var(--text);padding:6px 0 6px 28px;position:relative}
.plan-feats li:before{content:"✓";position:absolute;left:4px;color:var(--blue);font-weight:800}

/* How it works */
.steps3{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:18px;align-items:center;max-width:960px;margin:0 auto}
.step3{text-align:center}
.step-num{width:44px;height:44px;border-radius:50%;border:2px solid var(--blue);color:var(--blue);font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:18px}
.step-icon{font-size:40px;margin-bottom:10px}
.step3 h3{font-size:17px;color:var(--navy);margin-bottom:6px}
.step3 p{font-size:14px;color:var(--muted)}
.step-arrow{font-size:28px;color:#b9c7dd}

/* Why choose */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.why-item{display:flex;gap:16px;margin-bottom:24px}
.why-icon{font-size:30px;flex:none}
.why-item h3{font-size:17px;color:var(--navy);margin-bottom:4px}
.why-item p{font-size:14.5px;color:var(--muted)}
.why-media{position:relative}
.why-media img{border-radius:18px;box-shadow:0 24px 60px rgba(11,33,68,.14);height:420px;width:100%;object-fit:cover}

/* Testimonials */
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:0 4px 16px rgba(11,33,68,.05)}
.quote-avatar{font-size:40px;margin-bottom:12px}
.quote-card p{font-size:15px;color:var(--text);font-style:italic;margin-bottom:12px}
.stars{color:#f5a623;font-size:16px;letter-spacing:2px;margin-bottom:6px}
.quote-name{font-size:14px;font-weight:600;color:var(--muted)}

/* CTA band */
.cta-band{position:relative;background:var(--blue);overflow:hidden}
.cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28}
.cta-inner{position:relative;max-width:1140px;margin:0 auto;padding:56px 22px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:6px}
.cta-inner p{color:#dbe7fb;font-size:16px}

/* Page hero (sub-pages) */
.page-hero{background:linear-gradient(180deg,#F7FAFF,#fff);padding:56px 0 40px;text-align:center}
.page-hero h1{font-size:38px;color:var(--navy);font-weight:800;margin-bottom:10px}
.page-hero p{color:var(--muted);font-size:17px;max-width:640px;margin:0 auto}

/* Footer */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding:52px 0 36px}
.site-footer h4{font-size:15px;color:var(--navy);margin-bottom:14px}
.site-footer .footer-grid a{display:block;color:var(--muted);text-decoration:none;font-size:14.5px;margin-bottom:9px}
.site-footer .footer-grid a:hover{color:var(--blue)}
.site-footer p{font-size:14.5px;color:var(--muted);margin-bottom:10px}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;text-decoration:none;margin:0}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;font-size:13px;color:var(--muted)}
.footer-bottom .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.foot-links a{color:var(--muted);text-decoration:none;margin:0 6px}

/* Content pages */
.content{max-width:860px;margin:0 auto;padding:20px 22px 72px}
.content h2{color:var(--navy);font-size:24px;margin:34px 0 12px}
.content p,.content li{color:var(--text);font-size:16px}
.content ul{margin:10px 0 10px 22px}
.faq{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff}
.faq summary{padding:18px 20px;font-weight:600;color:var(--navy);cursor:pointer;font-size:16px}
.faq div{padding:0 20px 18px;color:var(--muted);font-size:15px}
.coverage-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:36px;max-width:560px;margin:30px auto;box-shadow:0 8px 30px rgba(11,33,68,.08);text-align:center}
.coverage-box input{width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:10px;font-size:16px;margin:14px 0}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center}
.contact-card .f-icon{font-size:36px;margin-bottom:12px}
.contact-card h3{color:var(--navy);margin-bottom:8px}

/* Responsive */
@media(max-width:960px){
  .card-grid.five{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr}
  .hero-media img{height:340px}
  .why-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:18px 22px;gap:14px;border-bottom:1px solid var(--line)}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .btn-sm{margin-left:0}
  .card-grid.three,.plan-grid,.plan-grid.four,.contact-cards{grid-template-columns:1fr}
  .steps3{grid-template-columns:1fr}
  .step-arrow{transform:rotate(90deg);justify-self:center}
  .cta-inner{flex-direction:column;text-align:center}
}

/* Quarder Net Voice Adapter section (plans page) */
.box-eyebrow{text-align:center;color:var(--blue);font-weight:700;letter-spacing:2px;font-size:13px;margin-bottom:8px}
.box-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:40px;align-items:start;margin-top:36px}
.box-info h3{font-size:24px;color:var(--navy);margin-bottom:10px}
.box-info p{color:var(--muted);font-size:16px;margin-bottom:18px}
.box-info img{border-radius:14px;box-shadow:0 12px 36px rgba(11,33,68,.12)}
.connect-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 26px}
.connect-card h3{text-align:center;font-size:22px;color:var(--navy)}
.connect-card .sub{text-align:center;color:var(--muted);font-size:14.5px;margin-bottom:22px}
.connect-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cstep{background:var(--bg-alt);border-radius:12px;padding:20px 14px;text-align:center}
.cstep .n{width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-size:17px}
.cstep h4{font-size:14.5px;color:var(--navy);margin-bottom:6px}
.cstep p{font-size:13px;color:var(--muted);line-height:1.5}
.box-feats{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:38px}
.bfeat{display:flex;gap:12px;align-items:flex-start}
.bfeat .bi{width:44px;height:44px;flex:none;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px}
.bfeat h4{font-size:14px;color:var(--navy);margin-bottom:4px;line-height:1.3}
.bfeat p{font-size:12.5px;color:var(--muted);line-height:1.45}
@media(max-width:960px){.box-grid{grid-template-columns:1fr}.box-feats{grid-template-columns:repeat(2,1fr)}.connect-steps{grid-template-columns:1fr}}

/* Quarder Net Voice Adapter picker inside plan cards */
.box-opt{border-top:1px solid var(--line);padding-top:14px;margin:14px 0 16px}
.box-opt-title{font-size:13px;font-weight:700;color:var(--navy);margin-bottom:8px;letter-spacing:.3px}
.box-opt label{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text);margin-bottom:6px;cursor:pointer}
.box-opt input{width:auto;accent-color:var(--blue);margin:0}