/* ===== Effective Network Solutions — Design System ===== */
:root{
  --ink:#0b1f33;          /* dark navy text */
  --navy:#0c2340;         /* hero / dark bg */
  --navy-2:#123a63;       /* gradient stop */
  --brand:#1466c9;        /* primary blue */
  --brand-dark:#0f4f9e;
  --accent:#16c1a0;       /* teal accent */
  --accent-dark:#0fa588;
  --muted:#5b6b7c;        /* body muted */
  --line:#e5eaf0;
  --bg:#ffffff;
  --bg-alt:#f5f8fc;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 10px 30px rgba(12,35,64,.10);
  --shadow-sm:0 4px 14px rgba(12,35,64,.08);
  --maxw:1160px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{line-height:1.15;color:var(--ink);font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.4vw,3.3rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.2rem}
p{color:var(--muted)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-alt{background:var(--bg-alt)}
.center{text-align:center}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}
.section .lead{max-width:640px;margin:14px auto 0;font-size:1.08rem}
.lead{font-size:1.12rem;color:var(--muted)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:1rem;padding:14px 26px;border-radius:10px;border:2px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:#04241d;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(-2px)}
.btn-blue{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-blue:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand)}

/* ===== Header ===== */
.topbar{background:var(--navy);color:#cfe0f2;font-size:.86rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:40px;gap:16px}
.topbar a{color:#cfe0f2}
.topbar .tb-right{display:flex;gap:20px;align-items:center}
.topbar strong{color:#fff}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.18rem;color:var(--ink)}
.brand .logo{width:40px;height:40px;flex:0 0 40px}
.brand span.sub{display:block;font-size:.62rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);margin-top:1px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{color:var(--ink);font-weight:600;font-size:.98rem}
.nav-links a:hover,.nav-links a.active{color:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:14px}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:6px}
.menu-btn span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* ===== Hero ===== */
.hero{background:linear-gradient(90deg,rgba(9,26,45,.95) 0%,rgba(9,26,45,.82) 48%,rgba(11,31,51,.62) 100%),url('../images/datacenter-hero.jpg') center right/cover,var(--navy);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.06) 1px,transparent 0);background-size:26px 26px;pointer-events:none}
canvas.plexus{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.85}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding-top:84px;padding-bottom:84px}
.hero h1{color:#fff}
.hero h1 .hl{color:var(--accent)}
.hero p{color:#c7d6e8;font-size:1.15rem;margin-top:18px;max-width:520px}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-trust{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-trust div{font-size:.9rem;color:#c7d6e8}
.hero-trust b{display:block;font-size:1.7rem;color:#fff;font-weight:800;line-height:1}
.hero-art{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.hero-card{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px;margin-bottom:14px}
.hero-card:last-child{margin-bottom:0}
.hero-card .ic{width:44px;height:44px;flex:0 0 44px;background:rgba(22,193,160,.15);border-radius:10px;display:flex;align-items:center;justify-content:center}
.hero-card h4{color:#fff;font-size:1rem;margin-bottom:2px}
.hero-card p{color:#a9bdd4;font-size:.86rem;margin:0}

/* ===== Trust / certs bar ===== */
.certs{border-bottom:1px solid var(--line)}
.certs .container{display:flex;align-items:center;justify-content:center;gap:14px 44px;flex-wrap:wrap;padding:26px 24px}
.certs .lbl{font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cert{font-weight:800;color:#8595a6;font-size:1.05rem;letter-spacing:.02em}

/* ===== Grid cards ===== */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.2s;box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f5}
.card .ic{width:54px;height:54px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card h3{margin-bottom:8px}
.card p{font-size:.96rem;margin-bottom:14px}
.card .more{font-weight:700;font-size:.9rem;color:var(--brand)}

/* ===== Why us / feature list ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.featlist{list-style:none;margin-top:18px}
.featlist li{display:flex;gap:14px;margin-bottom:18px}
.featlist .tick{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:rgba(22,193,160,.14);display:flex;align-items:center;justify-content:center;margin-top:2px}
.featlist h4{margin-bottom:2px}
.featlist p{font-size:.94rem;margin:0}

/* ===== Stats band ===== */
.stats{background:var(--navy);color:#fff}
.stats .grid-4{gap:20px}
.stat{text-align:center;padding:14px}
.stat b{display:block;font-size:2.6rem;font-weight:800;color:var(--accent);line-height:1}
.stat span{color:#c7d6e8;font-size:.96rem;margin-top:8px;display:block}

/* ===== Process ===== */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:8px}
.step .num{width:46px;height:46px;border-radius:12px;background:var(--bg-alt);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--brand);font-size:1.15rem;margin-bottom:16px}
.step h3{font-size:1.08rem;margin-bottom:6px}
.step p{font-size:.94rem}

/* ===== Testimonials ===== */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.quote .stars{color:#f5a623;font-size:1.05rem;letter-spacing:2px;margin-bottom:14px}
.quote p{color:var(--ink);font-size:1.02rem;font-style:italic}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:18px}
.quote .av{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.quote .who b{display:block;color:var(--ink)}
.quote .who small{color:var(--muted)}

/* ===== CTA band ===== */
.cta{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;border-radius:20px;padding:56px;text-align:center;box-shadow:var(--shadow)}
.cta h2{color:#fff}
.cta p{color:#e2edfb;max-width:560px;margin:14px auto 26px;font-size:1.1rem}
.cta .btn-primary{background:#fff;color:var(--brand);border-color:#fff}
.cta .btn-primary:hover{background:#eef4fe}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.info-item{display:flex;gap:16px;margin-bottom:26px}
.info-item .ic{width:48px;height:48px;flex:0 0 48px;border-radius:12px;background:var(--bg-alt);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.info-item h4{margin-bottom:2px}
.info-item p,.info-item a{color:var(--muted);font-size:.98rem}
form.card{padding:34px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:1rem;color:var(--ink);background:#fff;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,102,201,.12)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ===== Interactions: scroll reveals ===== */
.rv{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease}
.rv-in{opacity:1;transform:translateY(0)}

/* ===== Network Health Check quiz ===== */
.quiz{max-width:660px;margin:44px auto 0;padding:38px;text-align:center}
.quiz .qcount{display:block;font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.quiz .qq{font-size:1.3rem;margin:12px 0 26px;min-height:2.6em;display:flex;align-items:center;justify-content:center}
.quiz .qbtns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.quiz .qbtns .btn{min-width:130px;justify-content:center}
.quiz .qprog{height:6px;background:var(--line);border-radius:3px;margin-bottom:22px;overflow:hidden}
.quiz .qprog i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--accent));width:0;transition:width .35s ease}
.quiz .gauge{width:200px;margin:14px auto 4px;display:block}
.quiz .tier{font-weight:800;font-size:1.6rem;letter-spacing:-.01em}

/* ===== Page hero (inner pages) ===== */
.page-hero{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:66px 0;text-align:center;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.06) 1px,transparent 0);background-size:26px 26px}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff}
.page-hero p{color:#c7d6e8;max-width:600px;margin:14px auto 0;font-size:1.1rem}
.crumb{color:#8fb0d6;font-size:.9rem;margin-bottom:12px}
.crumb a{color:#8fb0d6}

/* ===== Footer ===== */
footer.site{background:var(--navy);color:#a9bdd4;padding:64px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
footer .brand{color:#fff}
footer .brand .sub{color:var(--accent)}
footer h5{color:#fff;font-size:.92rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px}
footer ul{list-style:none}
footer li{margin-bottom:10px}
footer a{color:#a9bdd4;font-size:.95rem}
footer a:hover{color:#fff}
.foot-about p{margin:16px 0;font-size:.95rem;max-width:320px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.88rem}

/* ===== Responsive ===== */
@media(max-width:900px){
  .hero .container,.split,.contact-grid{grid-template-columns:1fr}
  .grid-3,.grid-4,.steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-art{order:-1}
  .nav-links{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:10px 0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-140%);transition:.25s;z-index:40}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{width:100%;padding:14px 24px}
  .menu-btn{display:block}
  .nav-cta .btn{display:none}
}
@media(max-width:560px){
  .grid-3,.grid-4,.steps,.grid-2,.field-row{grid-template-columns:1fr}
  .section{padding:60px 0}
  .cta{padding:38px 22px}
  .topbar .tb-left{display:none}
  .hero-trust{gap:18px}
  .topbar .tb-right a:first-child{display:none}
  .topbar .container{justify-content:center}
  .topbar .tb-right{gap:0}
}