:root {
  --bg: #0f1115; --panel: #161a22; --panel-2: #1c212b; --border: #2a3140;
  --text: #e6e9ef; --muted: #8b94a7; --accent: #4f8cff; --green: #4fd18f;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
code, kbd { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; background: var(--panel-2); border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; }
.top { max-width: 1040px; margin: 0 auto; padding: 18px 24px; display: flex; align-items: center; justify-content: space-between; }
.brand { color: var(--text); font-weight: 650; display: flex; align-items: center; gap: 10px; font-size: 17px; }
nav { display: flex; gap: 20px; align-items: center; }
nav a { color: var(--muted); }
nav a:hover { color: var(--text); }
main { max-width: 1040px; margin: 0 auto; padding: 0 24px 60px; }
.hero { text-align: center; padding: 56px 0 40px; }
.hero-logo { width: 112px; height: 112px; border-radius: 28px; box-shadow: 0 20px 60px rgba(79,140,255,0.18); }
h1 { font-size: clamp(34px, 5.5vw, 56px); line-height: 1.08; letter-spacing: -0.02em; margin: 28px 0 16px; }
.accent { background: linear-gradient(90deg, #6aa5ff, var(--green)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 680px; margin: 0 auto 28px; color: var(--muted); font-size: 18px; }
.lead em { color: var(--text); font-style: normal; font-weight: 600; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; flex-direction: column; align-items: center; gap: 2px; padding: 12px 22px; border-radius: 12px; border: 1px solid var(--border); color: var(--text); font-weight: 600; min-width: 200px; transition: transform .12s ease, border-color .12s ease; }
.btn small { font-weight: 400; color: var(--muted); font-size: 12px; }
.btn:hover { transform: translateY(-1px); border-color: var(--muted); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary small { color: rgba(255,255,255,0.8); }
.btn-secondary { background: var(--panel); }
.btn-ghost { flex-direction: row; padding: 8px 14px; min-width: 0; color: var(--text); }
.fine { color: var(--muted); font-size: 13px; margin-top: 18px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 24px 0 56px; }
.features article { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.features h3 { margin: 0 0 8px; font-size: 16px; }
.features p { margin: 0; color: var(--muted); font-size: 14.5px; }
h2 { font-size: 26px; letter-spacing: -0.01em; margin: 0 0 16px; }
.how ol { padding-left: 22px; margin: 0; color: var(--muted); display: grid; gap: 10px; }
.how strong { color: var(--text); }
.how, .security { max-width: 760px; margin: 0 auto 56px; }
.security ul { padding-left: 20px; margin: 0; color: var(--muted); display: grid; gap: 8px; }
footer { max-width: 1040px; margin: 0 auto; padding: 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 13px; }
@media (max-width: 640px) { nav a:not(.btn) { display: none; } .top { padding: 14px 16px; } main { padding: 0 16px 40px; } }

.install { max-width: 680px; margin: 0 auto 22px; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 18px 20px; text-align: left; }
.install-label { color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.cmd { display: flex; align-items: center; gap: 10px; background: #0b0d12; border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.cmd code { flex: 1; background: none; border: 0; padding: 0; font-size: 14.5px; color: var(--text); white-space: nowrap; overflow-x: auto; }
.cmd code::before { content: "$ "; color: var(--green); }
.cmd button { background: var(--accent); color: #fff; border: 0; border-radius: 8px; padding: 8px 14px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.cmd button:hover { filter: brightness(1.1); }
.install .fine { margin: 10px 0 0; text-align: left; }
.faq { margin: 0; display: grid; gap: 14px; }
.faq dt { font-weight: 600; }
.faq dd { margin: 4px 0 0; color: var(--muted); }

.shot { margin: 40px 0 10px; }
.window { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,0.5); }
.window-bar { display: flex; align-items: center; gap: 7px; padding: 9px 12px; background: #1a1f2a; border-bottom: 1px solid var(--border); position: relative; }
.window-bar span { width: 11px; height: 11px; border-radius: 50%; background: #3a4150; }
.window-bar span:nth-child(1) { background: #ff5f57; } .window-bar span:nth-child(2) { background: #febc2e; } .window-bar span:nth-child(3) { background: #28c840; }
.window-bar em { position: absolute; left: 0; right: 0; text-align: center; font-style: normal; color: var(--muted); font-size: 12px; pointer-events: none; }
.window img { display: block; width: 100%; max-width: 100%; height: auto; }
.shot-caption { text-align: center; color: var(--muted); font-size: 14px; margin: 14px 0 0; }
.rows { display: grid; gap: 56px; margin: 64px 0 56px; }
.row { display: grid; grid-template-columns: 5fr 7fr; gap: 36px; align-items: center; }
.row.reverse .row-text { order: 2; } .row.reverse .row-img { order: 1; }
.row-text h3 { font-size: 24px; letter-spacing: -0.01em; margin: 0 0 12px; }
.row-text ul { margin: 0; padding-left: 18px; color: var(--muted); display: grid; gap: 8px; font-size: 15.5px; }
.row-img img { display: block; width: 100%; max-width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--border); box-shadow: 0 20px 50px rgba(0,0,0,0.45); }
.row-img.narrow { display: flex; justify-content: center; }
.row-img.narrow img { max-width: 420px; }
.features { margin-top: 0; }
@media (max-width: 760px) { .row, .row.reverse { grid-template-columns: 1fr; } .row.reverse .row-text { order: 1; } .row.reverse .row-img { order: 2; } .rows { gap: 36px; } }