/* wavecoredata.com - one stylesheet for every page. Dark navy, teal-to-sky accent, system fonts. */
:root {
  --bg: #0a1020;
  --bg-2: #0d1527;
  --panel: #111a2e;
  --panel-2: #16213a;
  --line: rgba(148, 163, 184, .16);
  --line-2: rgba(148, 163, 184, .32);
  --text: #e6edf7;
  --muted: #9aa8bd;
  --dim: #6b7a90;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --grad: linear-gradient(135deg, #2dd4bf 0%, #38bdf8 100%);
  --radius: 14px;
  --max: 1160px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
[hidden] { display: none !important; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 50; background: var(--panel); padding: 8px 12px; border-radius: 8px; }

/* ---- header ---- */
.site-head {
  position: sticky; top: 0; z-index: 20;
  background: rgba(10, 16, 32, .84);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; gap: 28px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 19px; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav a { color: var(--muted); font-weight: 500; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }
.nav .btn { color: #04121c; }
.nav-toggle {
  display: none; margin-left: auto; background: none; border: 1px solid var(--line);
  color: var(--text); border-radius: 8px; padding: 7px 10px; font: inherit; font-size: 14px; cursor: pointer;
}

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: 15px; cursor: pointer;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--grad); color: #04121c; box-shadow: 0 6px 24px rgba(45, 212, 191, .22); }
.btn-primary:hover { box-shadow: 0 10px 32px rgba(45, 212, 191, .34); }
.btn-ghost { background: rgba(255, 255, 255, .03); border-color: var(--line-2); color: var(--text); }
.btn-ghost:hover { border-color: rgba(148, 163, 184, .55); }
.btn-sm { padding: 8px 14px; font-size: 14px; }

/* ---- type ---- */
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
h1 { font-size: clamp(36px, 5.2vw, 60px); line-height: 1.05; letter-spacing: -.028em; margin: 14px 0 20px; }
h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.14; letter-spacing: -.02em; margin: 10px 0 14px; }
h3 { font-size: 18px; line-height: 1.3; margin: 0 0 8px; letter-spacing: -.01em; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 19px; color: var(--muted); max-width: 580px; margin: 0 0 30px; }
.muted { color: var(--muted); }

/* ---- hero ---- */
.hero { position: relative; overflow: hidden; padding: 84px 0 76px; }
.hero::before {
  content: ""; position: absolute; right: -180px; top: -160px; width: 760px; height: 760px;
  background: radial-gradient(closest-side, rgba(56, 189, 248, .16), transparent); pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; left: -260px; bottom: -300px; width: 640px; height: 640px;
  background: radial-gradient(closest-side, rgba(45, 212, 191, .10), transparent); pointer-events: none;
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center; }
.hero-sm { padding: 64px 0 48px; }
.hero-sm .wrap { grid-template-columns: 1fr; }
.hero-sm h1 { font-size: clamp(32px, 4.4vw, 50px); max-width: 820px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.ticks { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 30px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 14.5px; }
.ticks li::before { content: "\2713"; color: var(--accent); font-weight: 700; margin-right: 8px; }
.phone-art { filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .45)); }

/* ---- sections ---- */
section { padding: 84px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 700px; margin: 0 0 44px; }
.section-head p { color: var(--muted); font-size: 18px; margin: 0; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--muted); margin: 0; font-size: 15px; }
.card-hover { transition: border-color .15s, transform .15s; }
.card-hover:hover { border-color: var(--line-2); transform: translateY(-2px); }
.icon {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(45, 212, 191, .12); color: var(--accent); margin-bottom: 16px;
}
.icon svg { width: 22px; height: 22px; }

/* numbered steps */
.step-num {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad); color: #04121c; font-weight: 800; margin-bottom: 16px;
}

/* feature groups (PBX page) */
.group { display: grid; grid-template-columns: 300px 1fr; gap: 36px; padding: 40px 0; border-top: 1px solid var(--line); }
.group:first-child { border-top: 0; padding-top: 0; }
.group > div:first-child p { color: var(--muted); margin: 0; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.feature-list .card { padding: 20px; }

/* ---- product ---- */
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.product-art {
  background: radial-gradient(circle at 50% 40%, rgba(56, 189, 248, .14), transparent 65%), var(--panel);
  border: 1px solid var(--line); border-radius: 22px; padding: 36px;
}
.product-art img { display: block; width: 100%; max-width: 440px; margin: 0 auto; }
.thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.thumbs a { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 8px; }
.thumbs a:hover { border-color: var(--line-2); }
.thumbs a[aria-current="true"] { border-color: var(--accent); }
.thumbs img { display: block; width: 100%; }
.specs-mini { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 24px 0 28px; padding: 0; list-style: none; }
.specs-mini li { background: var(--panel); border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; font-size: 13.5px; color: var(--muted); }
.specs-mini strong { display: block; color: var(--text); font-size: 16px; }
.buy-box { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.price { font-size: 15px; color: var(--muted); }
.price strong { display: block; font-size: 26px; color: var(--text); letter-spacing: -.01em; }
.bullets { margin: 22px 0 0; padding: 0; list-style: none; }
.bullets li { padding-left: 28px; position: relative; margin: 10px 0; color: var(--muted); }
.bullets li::before { content: "\2713"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.bullets strong { color: var(--text); font-weight: 600; }
.crumbs { font-size: 14px; color: var(--dim); margin: 0 0 6px; }
.crumbs a { color: var(--muted); }

.spec-table { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th { width: 28%; color: var(--muted); font-weight: 500; }
.note { font-size: 13.5px; color: var(--dim); margin: 14px 0 0; }

/* ---- CTA band ---- */
.cta-band {
  position: relative; border-radius: 22px; padding: 56px 48px; text-align: center; overflow: hidden;
  background: radial-gradient(circle at 20% 0%, rgba(45, 212, 191, .18), transparent 55%),
              radial-gradient(circle at 80% 100%, rgba(56, 189, 248, .18), transparent 55%), var(--panel);
  border: 1px solid var(--line-2);
}
.cta-band p { color: var(--muted); font-size: 18px; max-width: 560px; margin: 0 auto 28px; }
.cta-band .cta-row { justify-content: center; }

/* ---- contact ---- */
.contact { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: start; }
.contact ol { margin: 0; padding-left: 20px; color: var(--muted); }
.contact ol li { margin: 10px 0; }
.contact ol strong { color: var(--text); }
.big-link { font-size: 22px; font-weight: 700; color: var(--text); word-break: break-all; }

/* ---- footer ---- */
.site-foot { border-top: 1px solid var(--line); padding: 40px 0 48px; color: var(--dim); font-size: 14px; }
.site-foot .wrap { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; align-items: center; }
.site-foot nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-foot a { color: var(--muted); }

/* ---- responsive ---- */
@media (max-width: 960px) {
  .hero .wrap, .product, .contact { grid-template-columns: 1fr; }
  .hero-art { max-width: 520px; margin: 0 auto; }
  .g3, .g4 { grid-template-columns: repeat(2, 1fr); }
  .group { grid-template-columns: 1fr; gap: 18px; }
  section { padding: 64px 0; }
  .hero { padding: 56px 0; }
}
@media (max-width: 680px) {
  .g2, .g3, .g4, .feature-list, .specs-mini { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    gap: 0; padding: 8px 24px 18px; background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 12px; border-bottom: 0; }
  .cta-band { padding: 40px 22px; }
  .spec-table th { width: 38%; }
  .spec-table th, .spec-table td { padding: 12px 14px; }
}