:root {
    --bg: #0a0b0d;
    --bg2: #101216;
    --panel: #14171c;
    --line: #23272e;
    --fg: #e7e9ec;
    --muted: #8b9099;
    --accent: #cfd3d9;
    --glow: rgba(207, 211, 217, 0.35);
    --green: #3ddc84;
    --amber: #f5c451;
    --red: #f26d6d;
    --mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.landing {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 24px;
}

.grid-bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(1200px 600px at 50% -10%, rgba(207,211,217,0.08), transparent 70%),
        linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 46px,
        linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 46px 100%;
    opacity: 0.35;
    mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}

.landing > * { position: relative; z-index: 1; width: 100%; max-width: 960px; }

/* Topbar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 4px;
}
.logo { display: flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: 0.3px; }
.logo svg { color: var(--accent); filter: drop-shadow(0 0 6px var(--glow)); }
.nav { display: flex; align-items: center; gap: 22px; font-size: 14px; color: var(--muted); }
.nav a:hover { color: var(--fg); }
.nav-cta { color: var(--fg) !important; font-weight: 600; }

/* Hero */
.hero {
    text-align: center;
    padding: 70px 0 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.badge {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--muted);
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: 999px;
    padding: 6px 14px;
    margin-bottom: 26px;
}
.badge::first-letter { color: var(--green); }
.hero h1 {
    font-size: clamp(38px, 6vw, 68px);
    line-height: 1.02;
    margin: 0 0 20px;
    letter-spacing: -1.5px;
    font-weight: 800;
}
.accent {
    background: linear-gradient(180deg, #fff, #9aa0a8);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.sub {
    color: var(--muted);
    font-size: clamp(15px, 2vw, 18px);
    max-width: 560px;
    line-height: 1.6;
    margin: 0 0 38px;
}

/* Terminal hot button */
.terminal-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--mono);
    font-size: 16px;
    font-weight: 600;
    color: #0a0b0d;
    background: linear-gradient(180deg, #f3f4f6, #cfd3d9);
    border: 1px solid #fff;
    border-radius: 12px;
    padding: 16px 28px;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.4), 0 10px 40px var(--glow);
    transition: transform 0.12s ease, box-shadow 0.2s ease;
    cursor: pointer;
}
.terminal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(0,0,0,0.4), 0 16px 55px var(--glow);
}
.terminal-btn .prompt { color: #14171c; opacity: 0.7; }
.terminal-btn .cursor {
    width: 9px; height: 18px;
    background: #14171c;
    display: inline-block;
    animation: blink 1s steps(1) infinite;
    border-radius: 1px;
}
@keyframes blink { 50% { opacity: 0; } }

.meta {
    margin-top: 22px;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--muted);
    display: flex;
    gap: 10px;
    align-items: center;
}
.meta code { color: var(--accent); background: var(--panel); border: 1px solid var(--line); padding: 3px 9px; border-radius: 6px; }

/* Terminal card */
.term-card {
    margin: 30px auto 60px;
    max-width: 720px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg2);
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.term-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--panel);
}
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.r { background: #f26d6d; } .dot.y { background: var(--amber); } .dot.g { background: var(--green); }
.term-title { margin-left: 8px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.term-body {
    margin: 0;
    padding: 20px;
    font-family: var(--mono);
    font-size: 13.5px;
    line-height: 1.9;
    color: var(--fg);
    text-align: left;
    white-space: pre-wrap;
}
.term-body .p { color: var(--accent); }
.term-body .s { color: var(--amber); }
.term-body .ok { color: var(--green); }
.cursor2 { animation: blink 1s steps(1) infinite; }

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 60px;
}
.feat {
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: 12px;
    padding: 22px;
    text-align: left;
}
.feat h3 { margin: 0 0 8px; font-size: 16px; }
.feat p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

/* Footer */
.foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 26px 4px 40px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
}
.foot a:hover { color: var(--fg); }

@media (max-width: 680px) {
    .features { grid-template-columns: 1fr; }
    .nav a:not(.nav-cta) { display: none; }
}