:root {
  --navy: #0b1f3a;
  --navy-2: #12305a;
  --ink: #15202e;
  --muted: #5b6878;
  --line: #e3e8ef;
  --bg: #ffffff;
  --bg-soft: #f4f6fa;
  --accent: #f26b1d;
  --accent-dark: #d4570e;
  --radius: 14px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: "Space Grotesk", "Inter", sans-serif; line-height: 1.15; margin: 0; }
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px;
  font-weight: 600; text-decoration: none; font-size: .98rem;
  transition: background .2s, transform .2s, border-color .2s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { border-color: #fff; }

/* Nav */
header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .25s, box-shadow .25s;
}
header.scrolled { background: rgba(11,31,58,.96); box-shadow: 0 4px 20px rgba(0,0,0,.15); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; }
.logo-mark { width: 42px; height: 42px; flex: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1; white-space: nowrap; }
.logo-text b { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.45rem; letter-spacing: .12em; }
.logo-text small { font-size: .62rem; font-weight: 600; letter-spacing: .32em; text-transform: uppercase; color: var(--accent); margin-top: 4px; }
.footer-logo .logo-mark { width: 34px; height: 34px; }
.footer-logo .logo-text b { font-size: 1.15rem; }
.footer-logo .logo-text small { font-size: .55rem; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { white-space: nowrap; color: rgba(255,255,255,.85); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav-links a:hover { color: #fff; }
.nav-links .btn { padding: 10px 20px; color: #fff; }
.menu-toggle { display: none; background: none; border: 0; color: #fff; cursor: pointer; padding: 8px; }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1200px 600px at 85% 20%, #1d4a85 0%, transparent 60%), var(--navy);
  color: #fff;
  padding: 170px 0 120px;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5.2vw, 4.1rem); font-weight: 700; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lead { font-size: 1.15rem; color: rgba(255,255,255,.78); max-width: 540px; margin: 22px 0 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-modes { display: flex; gap: 26px; margin-top: 48px; flex-wrap: wrap; }
.hero-modes div { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.8); font-size: .92rem; font-weight: 500; }
.hero-modes svg { color: var(--accent); }
.globe { width: 100%; max-width: 460px; justify-self: end; }
.globe .route { stroke-dasharray: 6 8; animation: dash 20s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -400; } }
@media (prefers-reduced-motion: reduce) { .globe .route { animation: none; } html { scroll-behavior: auto; } }

/* Sections */
section { padding: 110px 0; }
.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); letter-spacing: -.015em; }
.section-head p { color: var(--muted); font-size: 1.08rem; margin: 16px 0 0; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; background: #fff;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(11,31,58,.08); border-color: transparent; }
.icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: #fff1e8; color: var(--accent);
  display: grid; place-items: center; margin-bottom: 22px;
}
.card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.card p { color: var(--muted); margin: 0; }
.card.feature { background: var(--navy); color: #fff; grid-column: span 2; display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: start; }
.card.feature p { color: rgba(255,255,255,.75); }
.card.feature .icon { background: rgba(242,107,29,.16); margin: 0; }
.card.feature ul { margin: 16px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; }
.card.feature li { position: relative; padding-left: 22px; color: rgba(255,255,255,.88); font-size: .95rem; }
.card.feature li::before { content: ""; position: absolute; left: 0; top: .6em; width: 10px; height: 2px; background: var(--accent); }

/* Network */
.network { background: var(--bg-soft); }
.network-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.mode {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
}
.mode-top { background: var(--navy-2); color: #fff; padding: 34px 28px; display: flex; align-items: center; justify-content: space-between; }
.mode-top span { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.6); font-weight: 600; }
.mode-top svg { color: var(--accent); }
.mode-body { padding: 28px; }
.mode-body h3 { font-size: 1.3rem; margin-bottom: 10px; }
.mode-body p { color: var(--muted); margin: 0; }

/* Process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding-top: 22px; border-top: 2px solid var(--line); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: .9rem; color: var(--accent);
  display: block; margin-bottom: 12px;
}
.step:first-child { border-top-color: var(--accent); }
.step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { color: var(--muted); margin: 0; font-size: .97rem; }

/* CTA / Contact */
.contact { background: var(--navy); color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
.contact p { color: rgba(255,255,255,.75); font-size: 1.08rem; }
.contact-list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 16px; }
.contact-list li { display: flex; gap: 14px; align-items: center; }
.contact-list svg { color: var(--accent); flex: none; }
.contact-list a { text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }
form {
  background: #fff; color: var(--ink); border-radius: var(--radius);
  padding: 32px; display: grid; gap: 16px;
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: grid; gap: 6px; font-size: .85rem; font-weight: 600; }
input, select, textarea {
  font: inherit; font-weight: 400; font-size: .97rem;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg-soft); color: var(--ink); width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; background: #fff; }
textarea { resize: vertical; min-height: 110px; }
form .btn { justify-content: center; border: 0; cursor: pointer; font: inherit; font-weight: 600; }

footer { background: #071528; color: rgba(255,255,255,.6); padding: 30px 0; font-size: .9rem; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-links {
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--navy); flex-direction: column; align-items: flex-start;
    gap: 0; padding: 8px 16px 20px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; width: 100%; }
  .nav-links .btn { margin-top: 8px; width: auto; padding: 10px 20px; }
  header.menu-open { background: var(--navy); }
  .nav-links a.active { box-shadow: none; color: var(--accent); }
}
@media (min-width: 901px) and (max-width: 1100px) { .nav-links { gap: 22px; } }
@media (max-width: 960px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .globe { justify-self: center; max-width: 340px; }
  .services-grid, .network-grid { grid-template-columns: 1fr 1fr; }
  .card.feature { grid-column: span 2; }
  .steps { grid-template-columns: 1fr 1fr; gap: 36px 22px; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  section { padding: 80px 0; }
  .hero { padding: 130px 0 80px; }
  .globe { display: none; }
  .services-grid, .network-grid, .steps, .row { grid-template-columns: 1fr; }
  .card.feature { grid-column: auto; grid-template-columns: 1fr; }
  .card.feature ul { grid-template-columns: 1fr; }
  form { padding: 24px; }
}

/* Sub-pages */
header.solid { background: var(--navy); }
.nav-links a.active { color: #fff; box-shadow: inset 0 -2px 0 var(--accent); }
.page-hero {
  background: radial-gradient(900px 400px at 85% 0%, #1d4a85 0%, transparent 60%), var(--navy);
  color: #fff; padding: 140px 0 64px;
}
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); letter-spacing: -.02em; }
.page-hero p { color: rgba(255,255,255,.75); font-size: 1.1rem; max-width: 620px; margin: 16px 0 0; }
.page-body { padding: 56px 0 100px; background: var(--bg-soft); }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.notice {
  font-size: .88rem; color: var(--muted); background: #fff8f3;
  border: 1px solid #fbd9c4; border-radius: 10px; padding: 12px 16px;
}
.notice code { background: #fff; border: 1px solid #fbd9c4; border-radius: 6px; padding: 1px 6px; font-size: .85rem; cursor: pointer; }
.btn-outline { border: 1.5px solid var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--ink); }
button.btn { font: inherit; font-weight: 600; cursor: pointer; border: 0; }
button.btn-outline { border: 1.5px solid var(--line); }
@media (max-width: 720px) {
  .page-hero { padding: 116px 0 44px; }
  .panel { padding: 22px; }
  header.solid .nav-links { background: var(--navy); }
}

/* Info tooltip */
.info-tip { position: relative; display: inline-flex; }
.info-tip button {
  background: none; border: 0; padding: 2px; cursor: pointer; display: grid; place-items: center;
  color: rgba(255,255,255,.6); border-radius: 50%;
}
.info-tip button:hover, .info-tip button:focus-visible { color: var(--accent); }
.info-tip button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.contact-list .info-tip svg { color: inherit; }
.info-tip .tip {
  position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translate(-50%, 4px);
  width: 280px; background: #fff; color: var(--ink); border-radius: 10px; padding: 14px 16px;
  font-size: .86rem; line-height: 1.5; box-shadow: 0 12px 30px rgba(0,0,0,.25);
  opacity: 0; visibility: hidden; transition: opacity .15s, transform .15s; z-index: 10;
}
.info-tip .tip strong { display: block; margin-bottom: 4px; }
.info-tip .tip::after {
  content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 7px solid transparent; border-top-color: #fff;
}
.info-tip:hover .tip, .info-tip:focus-within .tip { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
@media (max-width: 720px) {
  .info-tip .tip { left: auto; right: -12px; transform: translateY(4px); width: min(280px, calc(100vw - 48px)); }
  .info-tip:hover .tip, .info-tip:focus-within .tip { transform: none; }
  .info-tip .tip::after { left: auto; right: 14px; transform: none; }
}
