:root {
  --navy: #142033;
  --navy-2: #1b2a4a;
  --teal: #0f7a73;
  --teal-light: #12a89e;
  --grey: #5b6472;
  --light-bg: #f4f7f7;
  --border: #e3e8e8;
  --white: #ffffff;
  --max-w: 1160px;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(20, 32, 51, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #222831;
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo .logo-main {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.2px;
}

.logo .logo-sub {
  font-size: 11px;
  color: var(--teal);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-2);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.12s ease, background 0.15s, color 0.15s, border-color 0.15s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-light); }

.btn-outline {
  background: transparent;
  color: var(--navy-2);
  border-color: var(--navy-2);
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }

.btn-ghost-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-ghost-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--navy);
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 55%, #0f5951 100%);
  color: var(--white);
  padding: 90px 24px 100px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--teal-light);
  background: rgba(18, 168, 158, 0.14);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: 42px;
  line-height: 1.2;
  margin: 0 0 18px;
  font-weight: 800;
}

.hero p.lead {
  font-size: 18px;
  color: #cfd8e3;
  margin: 0 0 32px;
  max-width: 540px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 28px;
}

.hero-card h3 {
  margin: 0 0 16px;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--teal-light);
}

.hero-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }

.hero-steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14.5px;
  color: #e6ecf3;
}

.hero-steps .num {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Sections ---------- */
section { padding: 84px 24px; }
section.tight { padding: 64px 24px; }
section.alt { background: var(--light-bg); }

.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head .eyebrow { background: rgba(15,122,115,0.1); color: var(--teal); }
.section-head h2 { font-size: 30px; color: var(--navy); margin: 0 0 12px; font-weight: 800; }
.section-head p { color: var(--grey); font-size: 16px; margin: 0; }

.section-head.left { text-align: left; margin: 0 0 40px; }

/* value grid */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.card .icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: rgba(15,122,115,0.1);
  color: var(--teal);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
  font-weight: 800;
}

.card h3 { margin: 0 0 10px; font-size: 18px; color: var(--navy); }
.card p { margin: 0; color: var(--grey); font-size: 14.5px; }

/* process timeline */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.timeline .step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 4px solid var(--teal);
  border-radius: var(--radius);
  padding: 22px 18px;
}

.timeline .step .tnum {
  font-size: 28px;
  font-weight: 800;
  color: rgba(15,122,115,0.25);
  margin-bottom: 8px;
}

.timeline .step h4 { margin: 0 0 8px; font-size: 15.5px; color: var(--navy); }
.timeline .step p { margin: 0; font-size: 13.5px; color: var(--grey); }

/* services list page */
.service-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  margin-bottom: 22px;
  background: var(--white);
}
.service-block h3 {
  color: var(--navy);
  font-size: 20px;
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.service-block .tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(15,122,115,0.1);
  padding: 4px 10px;
  border-radius: 12px;
}
.service-block ul { margin: 14px 0 0; padding-left: 20px; color: var(--grey); }
.service-block li { margin-bottom: 6px; font-size: 15px; }

/* table */
table.icp {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
}
table.icp th {
  background: var(--navy-2);
  color: #fff;
  text-align: left;
  padding: 14px 16px;
  font-size: 13.5px;
}
table.icp td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
  color: #333;
}
table.icp tr:last-child td { border-bottom: none; }
table.icp tr:nth-child(even) td { background: var(--light-bg); }

/* Voxcia band */
.voxcia-band {
  background: linear-gradient(120deg, #0c3b39, #0f7a73);
  color: #fff;
  border-radius: 16px;
  padding: 44px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
}
.voxcia-band .vx-mark {
  font-weight: 800;
  font-size: 26px;
  letter-spacing: 0.5px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  padding: 14px 20px;
}
.voxcia-band h3 { margin: 0 0 8px; font-size: 20px; }
.voxcia-band p { margin: 0; color: #d9efec; font-size: 14.5px; max-width: 560px; }

/* quote / callout */
.callout {
  border-left: 4px solid var(--teal);
  background: var(--light-bg);
  padding: 22px 26px;
  border-radius: 0 10px 10px 0;
  font-style: italic;
  color: var(--navy-2);
  font-size: 17px;
  margin: 28px 0;
}

/* CTA band */
.cta-band {
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 70px 24px;
}
.cta-band h2 { font-size: 28px; margin: 0 0 14px; }
.cta-band p { color: #c7d1de; margin: 0 0 28px; font-size: 16px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-info .item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
  align-items: flex-start;
}
.contact-info .item .ic {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: rgba(15,122,115,0.1);
  color: var(--teal);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
}
.contact-info .item h4 { margin: 0 0 4px; font-size: 15px; color: var(--navy); }
.contact-info .item p, .contact-info .item a { margin: 0; color: var(--grey); font-size: 14.5px; }

form.contact-form { display: flex; flex-direction: column; gap: 14px; }
form.contact-form input, form.contact-form select, form.contact-form textarea {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14.5px;
  font-family: inherit;
}
form.contact-form label { font-size: 13px; font-weight: 700; color: var(--navy-2); margin-bottom: -8px; }
form.contact-form textarea { resize: vertical; min-height: 110px; }

/* footer */
footer.site-footer {
  background: var(--navy);
  color: #b9c3d1;
  padding: 50px 24px 26px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h4 { color: #fff; font-size: 14px; margin: 0 0 14px; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 9px; font-size: 14px; }
.footer-grid a:hover { color: var(--teal-light); }
.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #8b96a8;
  flex-wrap: wrap;
  gap: 10px;
}

/* badges row */
.badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.badge {
  font-size: 12.5px;
  font-weight: 700;
  color: #cfd8e3;
  border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 12px;
  border-radius: 20px;
}

/* page hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 64px 24px;
  text-align: center;
}
.page-hero .eyebrow { background: rgba(255,255,255,0.12); color: var(--teal-light); }
.page-hero h1 { font-size: 34px; margin: 10px 0 14px; }
.page-hero p { color: #cfd8e3; max-width: 640px; margin: 0 auto; font-size: 16.5px; }

.page-hero.telephony {
  background: linear-gradient(135deg, #22303f 0%, #1b2a3a 100%);
}

/* legacy note */
.legacy-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff8ec;
  border: 1px solid #f0dfb8;
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 40px;
}
.legacy-note .ic { font-size: 20px; }
.legacy-note p { margin: 0; color: #6b5a2c; font-size: 14.5px; }

/* responsive */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .voxcia-band { grid-template-columns: 1fr; text-align: left; }
}

@media (max-width: 720px) {
  nav.main-nav { display: none; }
  .menu-toggle { display: block; }
  .header-cta .btn-outline { display: none; }
  nav.main-nav.open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 10px 24px 20px;
    box-shadow: var(--shadow);
  }
  nav.main-nav.open ul { flex-direction: column; gap: 4px; }
  .grid-4, .grid-3, .grid-2, .timeline { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
}