:root {
  --navy: #0b1b4d;
  --blue: #1b3fd1;
  --sky: #00b4ff;
  --yellow: #ffd400;
  --gold: #f0b000;
  --pink: #ff3ea5;
  --green: #3be07a;
  --cyan: #00e5ff;
  --ink: #101a3a;
  --muted: #55638a;
  --line: #dfe6f7;
  --bg: #f4f7ff;
  --white: #ffffff;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(11, 27, 77, .14);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--ink); background: var(--white); line-height: 1.65; font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); }
.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }

/* top strip */
.strip { background: var(--navy); color: #fff; font-size: 14.5px; }
.strip .wrap { display: flex; flex-wrap: wrap; gap: 6px 22px; justify-content: space-between; padding: 8px 0; }
.strip a { color: var(--yellow); text-decoration: none; font-weight: 700; }

/* header */
header.site {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 0; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); }
.brand img { width: 48px; height: 48px; filter: drop-shadow(0 4px 6px rgba(11,27,77,.3)); }
.brand b { display: block; font-size: 22px; font-weight: 900; letter-spacing: 1.5px; line-height: 1; }
.brand span { display: block; font-size: 12.5px; font-weight: 800; letter-spacing: 4px; color: var(--blue); }
nav.main { display: flex; align-items: center; gap: 4px; }
nav.main a.link { color: var(--navy); text-decoration: none; font-weight: 700; font-size: 15.5px; padding: 9px 12px; border-radius: 10px; }
nav.main a.link:hover, nav.main a.link.on { background: var(--bg); color: var(--blue); }
.btn {
  display: inline-block; text-decoration: none; font-weight: 800; border-radius: 50px;
  padding: 13px 26px; font-size: 16.5px; transition: transform .15s ease, box-shadow .15s ease;
  border: 2px solid transparent; cursor: pointer; font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn.yellow { background: linear-gradient(180deg, #ffe55a, var(--gold)); color: var(--navy); box-shadow: 0 6px 16px rgba(240,176,0,.45); }
.btn.ghost { border-color: rgba(255,255,255,.7); color: #fff; }
.btn.blue { background: var(--blue); color: #fff; box-shadow: 0 6px 16px rgba(27,63,209,.35); }
.btn.sm { padding: 9px 18px; font-size: 15px; }
.menu-btn { display: none; background: var(--navy); color: #fff; border: 0; border-radius: 10px; padding: 9px 14px; font-weight: 800; font-size: 15px; }

/* hero */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(145deg, var(--navy) 0%, var(--blue) 55%, var(--sky) 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; background: url("fibre-lines.svg") center bottom / cover no-repeat; opacity: .85;
}
.hero .wrap { position: relative; padding: 78px 0 96px; }
.badge {
  display: inline-block; background: var(--yellow); color: var(--navy);
  font-weight: 800; letter-spacing: 2px; font-size: 14px; padding: 8px 18px; border-radius: 40px;
}
.hero h1 {
  font-size: clamp(36px, 6.2vw, 74px); line-height: 1.04; font-weight: 900; letter-spacing: -1px;
  margin: 22px 0 18px; max-width: 900px; text-shadow: 0 5px 0 rgba(0,0,0,.2);
}
.hero h1 span { color: var(--yellow); display: block; }
.hero p.lead { font-size: clamp(18px, 2.2vw, 23px); max-width: 720px; text-shadow: 0 2px 10px rgba(5,13,51,.5); }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.chip {
  background: rgba(255,255,255,.14); border: 1.5px solid rgba(255,255,255,.4);
  border-radius: 40px; padding: 7px 16px; font-weight: 700; font-size: 15px;
}
.page-hero .wrap { padding: 56px 0 64px; }
.page-hero h1 { font-size: clamp(32px, 5vw, 54px); margin: 14px 0 12px; }

/* sections */
section { padding: 76px 0; }
section.alt { background: var(--bg); }
.eyebrow { color: var(--blue); font-weight: 800; letter-spacing: 3px; font-size: 13.5px; text-transform: uppercase; }
h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.12; color: var(--navy); margin: 8px 0 14px; font-weight: 900; letter-spacing: -.5px; }
h3 { font-size: 21px; color: var(--navy); line-height: 1.25; margin-bottom: 8px; }
.intro { max-width: 760px; color: var(--muted); font-size: 18px; }
.grid { display: grid; gap: 22px; margin-top: 38px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px 24px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.card::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 5px; background: linear-gradient(90deg, var(--blue), var(--sky)); }
.card.y::before { background: linear-gradient(90deg, var(--gold), var(--yellow)); }
.card p { color: var(--muted); font-size: 16.5px; }
.card ul { margin: 10px 0 0 20px; color: var(--muted); font-size: 16.5px; }
.tag {
  display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: 1.5px; color: var(--navy);
  background: var(--yellow); padding: 4px 11px; border-radius: 30px; margin-bottom: 12px;
}
.emerg {
  background: linear-gradient(145deg, var(--navy), var(--blue)); color: #fff; border-radius: 26px;
  padding: 42px 38px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: center;
  box-shadow: 0 18px 40px rgba(11,27,77,.3);
}
.emerg h2 { color: #fff; }
.emerg p { opacity: .93; }
.emerg .box { background: rgba(255,255,255,.12); border: 1.5px solid rgba(255,255,255,.35); border-radius: 20px; padding: 24px; text-align: center; }
.emerg .box strong { display: block; font-size: 34px; color: var(--yellow); line-height: 1.1; margin: 6px 0 12px; }
.prose { max-width: 820px; }
.prose p { margin-bottom: 16px; }
.prose h2 { margin-top: 34px; }
.prose ul { margin: 0 0 18px 22px; }
.prose li { margin-bottom: 8px; }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
.side {
  background: linear-gradient(145deg, var(--navy), var(--blue)); color: #fff; border-radius: 22px; padding: 30px;
  box-shadow: var(--shadow); position: sticky; top: 100px;
}
.side h3 { color: #fff; }
.side p, .side li { color: #e6edff; font-size: 16.5px; }
.side .btn { margin-top: 14px; width: 100%; text-align: center; }
.cta-band { background: linear-gradient(145deg, var(--navy), var(--blue) 60%, var(--sky)); color: #fff; text-align: center; padding: 64px 0; }
.cta-band h2 { color: #fff; }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 24px; }

/* contact */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.contact-cards .card a { font-weight: 800; font-size: 19px; word-break: break-word; }
form.msg { display: grid; gap: 14px; margin-top: 30px; max-width: 640px; }
form.msg label { font-weight: 700; font-size: 15px; color: var(--navy); display: grid; gap: 6px; }
form.msg input, form.msg textarea {
  font: inherit; padding: 13px 15px; border: 2px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink);
}
form.msg input:focus, form.msg textarea:focus { outline: none; border-color: var(--sky); }
.note { font-size: 14.5px; color: var(--muted); }

/* footer */
footer.site { background: var(--navy); color: #cdd8f6; padding: 56px 0 26px; font-size: 16px; }
footer.site .cols { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 30px; }
footer.site h4 { color: #fff; font-size: 16px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
footer.site a { color: #cdd8f6; text-decoration: none; }
footer.site a:hover { color: var(--yellow); }
footer.site li { list-style: none; margin-bottom: 8px; }
footer.site .brand { color: #fff; }
footer.site .brand span { color: var(--sky); }
footer.site .copy { border-top: 1px solid rgba(255,255,255,.15); margin-top: 34px; padding-top: 20px; font-size: 14.5px; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }

.fab {
  position: fixed; right: 18px; bottom: 18px; z-index: 60; background: #25d366; color: #fff; text-decoration: none;
  font-weight: 800; padding: 13px 20px; border-radius: 50px; box-shadow: 0 8px 22px rgba(0,0,0,.3); font-size: 16px;
}

@media (max-width: 960px) {
  .g3, .contact-cards { grid-template-columns: 1fr 1fr; }
  .emerg, .split { grid-template-columns: 1fr; }
  .side { position: static; }
  footer.site .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .menu-btn { display: block; }
  nav.main {
    display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; flex-direction: column;
    align-items: stretch; padding: 12px 20px 18px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  nav.main.open { display: flex; }
  nav.main a.link { padding: 13px 12px; }
  header.site .wrap { position: relative; }
  .hero .wrap { padding: 52px 0 70px; }
  section { padding: 56px 0; }
}
@media (max-width: 600px) {
  body { font-size: 16.5px; }
  .g3, .g2, .contact-cards, footer.site .cols { grid-template-columns: 1fr; }
  .emerg { padding: 30px 22px; }
  .btn { width: 100%; text-align: center; }
  .hero .actions .btn, .cta-band .actions .btn { width: 100%; }
  .strip .wrap { justify-content: center; text-align: center; }
  .fab { right: 12px; bottom: 12px; padding: 12px 17px; }
}