:root {
    --ink: #e9f7ff;
    --paper: #050b1d;
    --paper-bright: #0b1630;
    --muted: #8da4c4;
    --line: rgba(101, 188, 255, .2);
    --orange: #35e8ff;
    --yellow: #8ef7ff;
    --blue: #124f91;
    --electric: #347bff;
    --shadow: 0 24px 70px rgba(0, 130, 255, .2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 78% 14%, rgba(52, 123, 255, .2), transparent 27%),
        radial-gradient(circle at 18% 74%, rgba(0, 222, 255, .1), transparent 24%),
        linear-gradient(145deg, #030713 0%, var(--paper) 52%, #071a39 100%);
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    line-height: 1.55;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: .3;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 42px 42px;
    -webkit-mask-image: linear-gradient(to bottom, #000, transparent 76%);
    mask-image: linear-gradient(to bottom, #000, transparent 76%);
}
a { color: inherit; text-decoration: none; }
.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    min-height: 92px; border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: -.04em; font-size: 1.1rem; }
.brand-logo { width: 58px; height: 58px; flex: 0 0 58px; object-fit: contain; filter: drop-shadow(0 0 14px rgba(53, 232, 255, .55)); }
nav { display: flex; gap: 26px; font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
nav a { color: var(--muted); transition: color .2s ease; }
nav a:hover, nav a:focus-visible, nav a[aria-current="page"] { color: var(--orange); text-shadow: 0 0 16px rgba(53, 232, 255, .7); }
.hero { min-height: 590px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 8vw; padding: 72px 0 92px; }
.kicker { display: inline-flex; align-items: center; gap: 10px; color: var(--orange); font-size: .73rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.kicker::before { content: ""; width: 34px; height: 2px; background: var(--orange); box-shadow: 0 0 12px var(--orange); }
h1, h2, p { margin-top: 0; }
h1 { max-width: 750px; margin-bottom: 28px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3.4rem, 8vw, 7.5rem); line-height: .88; letter-spacing: -.075em; font-weight: 500; }
h1 em { color: var(--orange); font-style: normal; text-shadow: 0 0 28px rgba(53, 232, 255, .55); }
.hero-copy > p { max-width: 490px; color: var(--muted); font-size: 1.1rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; gap: 12px; padding: 14px 19px; border: 1px solid var(--orange); border-radius: 99px; font-size: .82rem; font-weight: 900; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-3px); }
.button.primary { color: #02101d; background: var(--orange); box-shadow: 0 0 24px rgba(53, 232, 255, .32); }
.button.secondary { background: transparent; }
.orbit { position: relative; aspect-ratio: 1; max-width: 420px; margin-left: auto; }
.orbit::before, .orbit::after { content: ""; position: absolute; border: 1px solid var(--ink); border-radius: 50%; transform: rotate(-27deg); }
.orbit::before { inset: 10% -4%; }
.orbit::after { inset: -4% 18%; transform: rotate(38deg); }
.orbit-core { position: absolute; inset: 24%; display: grid; place-items: center; text-align: center; border-radius: 50%; color: var(--ink); background: linear-gradient(145deg, var(--orange), var(--electric)); box-shadow: 0 0 28px rgba(53, 232, 255, .48), var(--shadow); }
.orbit-core strong { display: block; font-family: Georgia, serif; font-size: clamp(2rem, 5vw, 3.8rem); line-height: .9; font-weight: 500; }
.orbit-core span { display: block; margin-top: 12px; font-size: .68rem; letter-spacing: .15em; text-transform: uppercase; }
.orbit-tag { position: absolute; padding: 7px 11px; border: 1px solid var(--orange); border-radius: 3px; background: rgba(11, 22, 48, .9); box-shadow: 0 0 18px rgba(53, 232, 255, .18); font-size: .65rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.tag-one { top: 8%; right: 3%; color: var(--orange); } .tag-two { bottom: 8%; left: 2%; color: var(--yellow); }
.section { padding: 84px 0; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 36px; }
h2 { max-width: 560px; margin-bottom: 0; font-family: Georgia, serif; font-size: clamp(2.3rem, 5vw, 4.8rem); line-height: .96; letter-spacing: -.06em; font-weight: 500; }
.section-heading p { max-width: 300px; margin-bottom: 4px; color: var(--muted); font-size: .9rem; }
.signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); box-shadow: var(--shadow); }
.signal { min-height: 245px; padding: 27px; background: rgba(11, 22, 48, .82); }
.signal:nth-child(2) { background: linear-gradient(145deg, rgba(17, 57, 107, .95), rgba(12, 35, 77, .92)); } .signal:nth-child(3) { background: linear-gradient(145deg, #0c6d91, #113c82); color: var(--ink); }
.signal small { font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.signal h3 { margin: 56px 0 12px; font-family: Georgia, serif; font-size: 1.75rem; line-height: 1; font-weight: 500; letter-spacing: -.04em; }
.signal p { margin-bottom: 0; font-size: .88rem; opacity: .78; }
.route-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.route { display: flex; flex-direction: column; min-height: 190px; padding: 20px; border: 1px solid var(--line); background: rgba(11, 22, 48, .58); transition: background .2s ease, transform .2s ease, box-shadow .2s ease; }
.route:hover, .route:focus-visible { background: rgba(18, 79, 145, .78); transform: translateY(-4px); box-shadow: 0 0 24px rgba(52, 123, 255, .25); }
.route-number { color: var(--orange); font-size: .7rem; font-weight: 900; }
.route strong { margin-top: auto; font-family: Georgia, serif; font-size: 1.65rem; font-weight: 500; }
.route span:last-child { color: var(--muted); font-size: .77rem; }
.site-footer { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; margin-top: 24px; padding: 28px 0 42px; border-top: 1px solid var(--line); color: var(--muted); font-size: .76rem; }
.site-footer strong { color: var(--orange); text-shadow: 0 0 14px rgba(53, 232, 255, .45); }
.site-footer nav { display: flex; justify-content: flex-end; gap: 20px; font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.site-footer nav a { color: var(--orange); }
.site-footer nav a:hover { text-shadow: 0 0 14px rgba(53, 232, 255, .65); }
@media (max-width: 760px) {
    .shell { width: min(100% - 32px, 560px); }
    .topbar { min-height: 76px; } nav { gap: 12px; } nav a:nth-child(n+3) { display: none; }
    .hero { min-height: 0; grid-template-columns: 1fr; padding: 66px 0 76px; gap: 54px; }
    h1 { font-size: clamp(3.4rem, 17vw, 6rem); }
    .orbit { width: min(78vw, 340px); margin: 0 auto; }
    .section { padding: 65px 0; } .section-heading { display: block; } .section-heading p { margin-top: 18px; }
    .signal-grid, .route-grid { grid-template-columns: 1fr; } .signal { min-height: 205px; } .signal h3 { margin-top: 38px; }
    .site-footer { display: block; } .site-footer span, .site-footer nav { display: block; margin-top: 10px; } .site-footer nav { justify-content: flex-start; }
}
@media (prefers-reduced-motion: no-preference) {
    .hero-copy, .orbit { animation: rise .7s ease both; } .orbit { animation-delay: .12s; }
    @keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
}
