/* feature.css — the public feature pages (cs2-*.html): one page per landing card. */
:root {
    --primary: #00d4ff;
    --bg: #030305;
    --text: #f5f5f7;
    --muted: rgba(235, 235, 245, 0.64);
    --hair: rgba(255, 255, 255, 0.08);
    --sf: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --face: 'Blastron', var(--sf);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sf);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(900px 520px at 80% -10%, var(--tint, rgba(0, 120, 200, 0.16)), transparent 70%),
        radial-gradient(700px 500px at 0% 100%, rgba(40, 60, 140, 0.12), transparent 70%);
    pointer-events: none;
    z-index: -1;
}
body.gold { --tint: rgba(255, 170, 0, 0.14); }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }

.fp { max-width: 1200px; margin: 0 auto; padding: 128px 24px 100px; }

/* top: the title and what it is, beside the product screen */
.fp-hero {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: center;
}
h1 {
    font: 900 clamp(1.7rem, 3vw, 2.5rem)/1.08 var(--face);
    text-transform: uppercase;
    letter-spacing: -0.3px;
    margin: 0 0 16px;
}
.lead { font-size: 1.02rem; color: rgba(245, 245, 247, 0.8); margin: 0 0 26px; }
.fp-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.fp-note { color: var(--muted); font-size: 0.85rem; }

.fbtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 100px;
    font: 900 0.72rem var(--face);
    letter-spacing: 0.8px;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.35s cubic-bezier(0.25, 1.2, 0.3, 1), background 0.2s, box-shadow 0.2s;
}
.fbtn svg { width: 15px; height: 15px; flex-shrink: 0; }
.fbtn-pri { background: var(--primary); color: #000; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 0 20px rgba(0, 212, 255, 0.28); }
.fbtn-pri:hover { background: #33e0ff; transform: scale(1.03); }
.fbtn-ghost { background: rgba(255, 255, 255, 0.05); color: var(--text); border: 1px solid rgba(255, 255, 255, 0.12); font-weight: 700; }
.fbtn-ghost:hover { background: rgba(255, 255, 255, 0.1); transform: scale(1.02); }

/* the product screen */
.fp-shot { margin: 0; }
.fp-shot img {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 18px;
    border: 1px solid var(--hair);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55), 0 0 70px rgba(0, 150, 255, 0.08);
}

/* numbers */
.fp-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 24px; margin: 64px 0 0; }
.fp-facts div { min-width: 0; }
.fp-facts b { display: block; font: 900 clamp(1.1rem, 1.7vw, 1.45rem)/1.2 var(--face); color: var(--primary); overflow-wrap: anywhere; }
body.gold .fp-facts b { color: #ffc93a; }
.fp-facts span { display: block; color: var(--muted); font-size: 0.86rem; margin-top: 6px; }

.fp-sec { margin-top: 80px; }
h2 { font: 900 clamp(1.15rem, 1.9vw, 1.5rem)/1.2 var(--face); text-transform: uppercase; margin: 0 0 24px; }
.fp-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 48px; }
.fp-steps h3 { font: 700 0.84rem/1.35 var(--face); letter-spacing: 0.04em; text-transform: uppercase; margin: 0 0 8px; }
.fp-steps p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.fp-faq { max-width: 820px; }
.fp-faq div { padding: 18px 0; border-top: 1px solid var(--hair); }
.fp-faq div:last-child { border-bottom: 1px solid var(--hair); }
.fp-faq h3 { font: 600 1rem/1.4 var(--sf); margin: 0 0 6px; }
.fp-faq p { margin: 0; color: var(--muted); font-size: 0.95rem; }

@media (max-width: 900px) {
    .fp { padding: 100px 16px 72px; }
    .fp-hero { grid-template-columns: 1fr; gap: 28px; }
    .fp-shot img { border-radius: 12px; }
    .fp-facts { grid-template-columns: repeat(2, 1fr); gap: 22px 18px; margin-top: 48px; }
    .fp-steps { grid-template-columns: 1fr; gap: 24px; }
    .fp-sec { margin-top: 60px; }
}
@media (max-width: 480px) {
    .fp-actions .fbtn { flex: 1 1 100%; }
    .fp-note { width: 100%; text-align: center; }
}