:root {
  --navy: #1b3157;
  --navy-deep: #13243f;
  --blue: #1e62b4;
  --blue-dark: #17508f;
  --red: #c8342f;
  --ink: #26313d;
  --muted: #5b6b7c;
  --line: #e2e8ef;
  --soft: #f4f7fa;
  --white: #fff;
  --container: 1120px;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, p, dl, blockquote { margin: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; transform: translateY(-250%); background: var(--navy); color: var(--white); padding: 10px 16px; border-radius: 8px; font-weight: 700; text-decoration: none; }
.skip-link:focus { transform: translateY(0); }

.kicker {
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.kicker-light { color: #7db4e8; }

h1 { font-size: clamp(34px, 4.5vw, 50px); font-weight: 800; line-height: 1.12; letter-spacing: -.02em; color: var(--navy); }
h1 em { font-style: normal; color: var(--blue); }
h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; line-height: 1.18; letter-spacing: -.015em; color: var(--navy); }
h3 { font-size: 18px; font-weight: 700; color: var(--navy); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 12px 26px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background .18s, border-color .18s, color .18s, transform .18s;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: var(--white); background: var(--blue); }
.button-primary:hover { background: var(--blue-dark); }
.button-ghost { color: var(--navy); border-color: #c6d3e1; }
.button-ghost:hover { border-color: var(--blue); color: var(--blue); }
.button-light { color: var(--navy); background: var(--white); }
.button-light:hover { background: #e8f0f9; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(19, 36, 63, .08); }
.nav-wrap { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; line-height: 1.15; }
.brand-img { height: 48px; width: auto; flex: none; mix-blend-mode: multiply; }
.brand-text strong { display: block; color: var(--navy); font-size: 17px; font-weight: 800; letter-spacing: -.01em; }
.brand-text small { display: block; color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a:not(.nav-cta) { color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 600; }
.main-nav a:not(.nav-cta):hover { color: var(--blue); }
.nav-cta { min-height: 44px; padding: 9px 20px; }
.menu-button { display: none; width: 44px; height: 44px; padding: 10px; color: var(--navy); background: transparent; border: 0; cursor: pointer; }
.menu-button span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: currentColor; transition: transform .2s, opacity .2s; }

/* Hero */
.hero { background: linear-gradient(180deg, var(--white) 55%, var(--soft)); border-bottom: 1px solid var(--line); }
.hero-layout {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 48px;
  padding: 72px 0 64px;
}
.hero-lead { max-width: 520px; margin: 18px 0 30px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-facts { display: flex; margin: 44px 0 0; padding: 0; list-style: none; }
.hero-facts li { padding: 0 26px; border-left: 1px solid var(--line); }
.hero-facts li:first-child { padding-left: 0; border-left: 0; }
.hero-facts strong { display: block; color: var(--navy); font-size: 23px; font-weight: 800; letter-spacing: -.01em; }
.hero-facts span { display: block; color: var(--muted); font-size: 13px; }
.hero-visual img { width: 100%; mix-blend-mode: multiply; }

/* Sections */
.section { padding: 88px 0; }
.section-heading { max-width: 720px; margin-bottom: 48px; }
.section-heading > p:not(.kicker) { margin-top: 14px; color: var(--muted); font-size: 17px; }

.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service-card {
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.service-card:hover { border-color: #b9cde5; box-shadow: 0 14px 36px rgba(19, 36, 63, .09); transform: translateY(-3px); }
.service-card svg { width: 44px; height: 44px; margin-bottom: 18px; color: var(--blue); }
.service-card h3 { margin-bottom: 8px; }
.service-card p { color: var(--muted); font-size: 15px; }

/* Capacity */
.capacity { padding: 88px 0; color: var(--white); background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 70%); }
.capacity h2 { color: var(--white); }
.capacity-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 56px; align-items: center; }
.capacity-copy > p:not(.kicker) { max-width: 470px; margin: 16px 0 28px; color: #b6c6d9; }
.spec-list { margin-bottom: 32px; }
.spec-list > div { display: grid; grid-template-columns: 160px 1fr; gap: 20px; padding: 15px 0; border-top: 1px solid rgba(255, 255, 255, .14); }
.spec-list > div:last-child { border-bottom: 1px solid rgba(255, 255, 255, .14); }
.spec-list dt { color: #8fb1d8; font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding-top: 3px; }
.spec-list dd { margin: 0; color: #eef4fa; font-size: 15px; font-weight: 600; }
.capacity-panel { display: flex; flex-direction: column; gap: 32px; }
.capacity-stat { display: flex; align-items: baseline; gap: 20px; }
.capacity-stat strong { color: var(--white); font-size: clamp(64px, 7.5vw, 104px); font-weight: 800; letter-spacing: -.03em; line-height: .95; }
.capacity-stat span { color: #8fb1d8; font-size: 15px; line-height: 1.45; }
.backhaul-card { padding: 28px 30px; background: var(--white); border-radius: var(--radius); }
.backhaul-tag { display: inline-block; margin-bottom: 12px; padding: 3px 11px; border-radius: 999px; background: #fdecec; color: var(--red); font-size: 11px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.backhaul-card h3 { margin-bottom: 8px; font-size: 20px; }
.backhaul-card p { margin-bottom: 16px; color: var(--muted); font-size: 15px; }
.backhaul-card a { color: var(--blue); font-weight: 700; font-size: 15px; text-decoration: none; }
.backhaul-card a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* About */
.about { background: var(--soft); }
.about-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; }
.about blockquote {
  padding-left: 24px;
  border-left: 4px solid var(--blue);
  color: var(--navy);
  font-size: clamp(23px, 2.8vw, 30px);
  font-weight: 700;
  line-height: 1.35;
}
.about-copy .large-copy { margin-bottom: 14px; color: var(--navy); font-size: 20px; font-weight: 700; }
.about-copy > p:not(.large-copy) { color: var(--muted); }
.values { margin: 28px 0 0; padding: 0; list-style: none; }
.values li { display: flex; align-items: center; gap: 16px; padding: 13px 0; border-bottom: 1px solid #d8e1ea; color: var(--navy); font-size: 15px; font-weight: 600; }
.values li:first-child { border-top: 1px solid #d8e1ea; }
.values b { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .08em; }

/* Quote / form */
.quote-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 56px; align-items: start; }
.quote-intro > p:not(.kicker) { margin: 14px 0 32px; color: var(--muted); }
.contact-block { padding-top: 24px; border-top: 1px solid var(--line); }
.contact-block span { display: block; margin-bottom: 8px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.contact-name { margin-bottom: 6px; color: var(--navy); font-size: 17px; font-weight: 700; }
.contact-name small { display: block; margin-top: 1px; color: var(--muted); font-size: 13px; font-weight: 500; }
.contact-block a { display: block; width: fit-content; margin-bottom: 6px; color: var(--navy); font-size: 17px; font-weight: 700; text-decoration-color: var(--blue); text-underline-offset: 4px; }
.contact-block address { margin-top: 8px; color: var(--muted); font-style: normal; font-size: 15px; }

.quote-form {
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(19, 36, 63, .08);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.form-row-quads { grid-template-columns: 1.35fr .75fr .75fr 1fr; }
.quote-form label { display: block; margin-bottom: 18px; }
.quote-form label > span { display: block; margin-bottom: 6px; color: #3a4856; font-size: 13px; font-weight: 600; }
.quote-form input, .quote-form select, .quote-form textarea {
  width: 100%;
  padding: 11px 13px;
  color: var(--navy);
  background: #fbfcfe;
  border: 1px solid #cdd7e1;
  border-radius: 8px;
  outline: 0;
  transition: border-color .15s, box-shadow .15s;
}
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30, 98, 180, .14);
}
.quote-form input::placeholder, .quote-form textarea::placeholder { color: #a3aeb9; }
.quote-form textarea { resize: vertical; }
.quote-form .form-check { display: flex; align-items: flex-start; gap: 10px; }
.quote-form .form-check input { flex: none; width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--blue); }
.quote-form .form-check span { margin: 0; color: var(--ink); font-size: 14px; font-weight: 500; }
.form-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 6px; }
.form-footer p { max-width: 340px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.form-footer .button { flex: none; min-width: 190px; border: 0; }
.form-status { display: none; margin: 18px 0 0; padding: 12px 15px; color: var(--navy); background: #ebf5ff; border-left: 3px solid var(--blue); border-radius: 0 8px 8px 0; font-size: 14px; }
.form-status.is-visible { display: block; }
.form-status.is-error { color: #7e1c1f; background: #fdf0f0; border-color: var(--red); }

/* Footer */
.site-footer { padding: 56px 0 28px; color: #b6c6d9; background: var(--navy-deep); font-size: 14px; }
.site-footer a { color: #dbe6f2; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 3px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.footer-grid p { margin: 0; }
.footer-brand { margin-bottom: 8px !important; color: var(--white); font-size: 17px; font-weight: 800; }
.footer-label { margin-bottom: 8px !important; color: #8fb1d8; font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.footer-bottom { padding-top: 24px; font-size: 13px; }
.footer-bottom p { margin: 0; }

/* Responsive */
@media (max-width: 960px) {
  .menu-button { display: block; }
  .main-nav {
    position: fixed;
    inset: 74px 0 auto;
    display: grid;
    gap: 0;
    padding: 8px 24px 20px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(19, 36, 63, .12);
    transform: translateY(-130%);
    visibility: hidden;
    transition: transform .22s, visibility .22s;
  }
  .main-nav.is-open { transform: translateY(0); visibility: visible; }
  .main-nav a:not(.nav-cta) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .main-nav .nav-cta { margin-top: 14px; }
  .menu-button[aria-expanded="true"] span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }

  .hero-layout { grid-template-columns: 1fr; gap: 36px; padding: 56px 0; }
  .hero-visual { order: -1; max-width: 620px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .capacity-layout, .about-layout, .quote-layout { grid-template-columns: 1fr; gap: 44px; }
  .capacity-panel { max-width: 560px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 32px, var(--container)); }
  .section, .capacity { padding: 64px 0; }
  .brand-text small { display: none; }
  .brand-img { height: 40px; }
  .hero-layout { padding: 40px 0 56px; }
  .hero-actions .button { flex: 1 1 auto; }
  .hero-facts { flex-wrap: wrap; gap: 14px 0; }
  .hero-facts li { flex: 1 1 33%; padding: 0 14px; }
  .service-grid { grid-template-columns: 1fr; }
  .form-row, .form-row-quads { grid-template-columns: 1fr; gap: 0; }
  .form-footer { flex-direction: column; align-items: stretch; }
  .form-footer .button { width: 100%; }
  .quote-form { padding: 24px 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}