/* TacNet Voice — landing + download pages. Same palette as the radio: black, amber, steel. */
:root { --bg: #000; --panel: #0f1114; --panel2: #171a1f; --line: #262a31; --txt: #e6e9ee; --dim: #8b95a3; --amber: #f2a93b; --green: #3ecf8e; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--txt); font: 15px/1.6 system-ui, "Segoe UI", Roboto, sans-serif; }
a { color: var(--amber); text-decoration: none; } a:hover { text-decoration: underline; }
code { background: var(--panel2); border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px; font-size: 13px; }
h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.1; letter-spacing: -.01em; margin: 0 0 16px; }
h2 { font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: var(--dim); border-bottom: 1px solid var(--line); padding-bottom: 8px; margin: 0 0 20px; }
h3 { margin: 0 0 6px; font-size: 16px; }
p { margin: 0 0 12px; } .dim { color: var(--dim); } .fine { color: var(--dim); font-size: 13px; }
.lead { font-size: 18px; color: #c9cfd8; max-width: 760px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 14px 24px; border-bottom: 1px solid var(--line); border-top: 4px solid var(--amber); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--txt); font-weight: 800; letter-spacing: .2em; } .brand span { color: var(--amber); } .brand img { width: 26px; height: 26px; }
.top nav { display: flex; gap: 6px 18px; align-items: center; flex-wrap: wrap; } .top nav a { color: var(--dim); font-size: 13px; letter-spacing: .04em; } .top nav a:hover { color: var(--txt); text-decoration: none; }

.btn { display: inline-block; padding: 8px 14px; border-radius: 5px; background: var(--amber); color: #111 !important; font-weight: 700; letter-spacing: .04em; border: 1px solid var(--amber); }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.ghost { background: none; color: var(--txt) !important; border-color: var(--line); } .btn.ghost:hover { border-color: var(--dim); }
.btn.big { padding: 13px 22px; font-size: 16px; }

section { max-width: 1100px; margin: 0 auto; padding: 56px 24px; }
.hero { padding-top: 72px; } .hero.small { padding-top: 48px; padding-bottom: 24px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 12px; }
.latest { margin-top: 18px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); display: inline-block; font-size: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.grid3 > div { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 20px 22px; } .grid3 p { margin: 0; color: #c9cfd8; }
.guide ol { padding-left: 22px; max-width: 820px; } .guide li { margin-bottom: 12px; }
.future p { max-width: 820px; }
.dl { margin: 12px 0 20px; } .dl .btn { margin-bottom: 10px; }
.changelog .release { border: 1px solid var(--line); border-radius: 8px; padding: 16px 20px; margin-bottom: 14px; background: var(--panel); }
.changelog .release.current { border-color: color-mix(in srgb, var(--green) 55%, var(--line)); }
.changelog h3 small { font-weight: 400; color: var(--dim); margin-left: 8px; font-size: 12px; letter-spacing: .06em; }
.changelog ul { margin: 6px 0 0; padding-left: 20px; } .changelog li { margin-bottom: 4px; color: #c9cfd8; }
footer { border-top: 1px solid var(--line); padding: 20px 24px 40px; color: var(--dim); font-size: 13px; text-align: center; }