/* CryptoTA — landing page styles (for /p/*.html SEO pages) */
:root {
    --bg0: #0a0e1a; --bg1: #11151f; --bg2: #181d2a;
    --text0: #e8ecf4; --text1: #9ba4b8; --text2: #6b7488;
    --up: #16c784; --down: #ea3943;
    --accent: #5cc8c0; --accent-soft: rgba(92, 200, 192, 0.10);
    --line: rgba(255, 255, 255, 0.07);
    --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --mono: 'JetBrains Mono', 'SF Mono', ui-monospace, Consolas, monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg0); color: var(--text0);
    font-family: var(--sans); font-size: 15px; line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ---------- header ---------- */
.lp-header {
    display: flex; align-items: center; gap: 24px;
    padding: 14px 28px; border-bottom: 1px solid var(--line);
    background: rgba(10, 14, 26, 0.9); position: sticky; top: 0; z-index: 10;
    backdrop-filter: blur(10px);
}
.lp-brand { color: var(--text0); text-decoration: none; font-weight: 700; font-size: 17px; }
.lp-logo { color: var(--accent); margin-right: 6px; }
.lp-nav { display: flex; gap: 18px; margin-right: auto; flex-wrap: wrap; }
.lp-nav a { color: var(--text1); text-decoration: none; font-size: 13.5px; }
.lp-nav a:hover { color: var(--accent); }
.lp-cta {
    background: var(--accent-soft); color: var(--accent);
    border: 1px solid rgba(92, 200, 192, 0.35); border-radius: 8px;
    padding: 8px 16px; text-decoration: none; font-size: 13.5px; font-weight: 600;
    transition: background .15s;
}
.lp-cta:hover { background: rgba(92, 200, 192, 0.2); }

/* ---------- hero ---------- */
.lp-main { max-width: 920px; margin: 0 auto; padding: 0 24px 72px; }
.lp-hero { padding: 56px 0 32px; }
.lp-hero h1 {
    font-size: clamp(26px, 4.4vw, 42px); line-height: 1.15; letter-spacing: -0.02em;
    max-width: 700px;
}
.lp-sub { color: var(--text1); margin-top: 16px; max-width: 620px; font-size: 16px; }

/* ---------- chart card ---------- */
.lp-chart-card {
    background: var(--bg1); border: 1px solid var(--line);
    border-radius: 14px; padding: 20px 20px 16px;
}
.lp-chart-head {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 16px; margin-bottom: 12px; flex-wrap: wrap;
}
.lp-symbol { color: var(--text1); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }
.lp-price-row { display: flex; align-items: baseline; gap: 12px; margin-top: 2px; }
.lp-price { font-family: var(--mono); font-size: 28px; font-weight: 700; }
.lp-change { font-family: var(--mono); font-size: 14px; font-weight: 600; }
.lp-vol { text-align: right; }
.lp-vol-label { display: block; color: var(--text2); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.lp-vol-val { font-family: var(--mono); font-size: 14px; color: var(--text0); }
.lp-canvas {
    width: 100%; height: auto; display: block;
    background: var(--bg0); border-radius: 8px; border: 1px solid var(--line);
}
.lp-chart-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; gap: 12px; flex-wrap: wrap; }
.lp-btn {
    display: inline-block; background: var(--accent); color: #04120f;
    font-weight: 700; font-size: 14px; text-decoration: none;
    padding: 10px 20px; border-radius: 8px; transition: filter .15s;
}
.lp-btn:hover { filter: brightness(1.12); }
.lp-note { color: var(--text2); font-size: 12px; }

/* ---------- features ---------- */
.lp-features { margin-top: 64px; }
.lp-features h2, .lp-faq h2 { font-size: 24px; margin-bottom: 20px; letter-spacing: -0.01em; }
.lp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.lp-card {
    background: var(--bg1); border: 1px solid var(--line); border-radius: 12px; padding: 20px;
}
.lp-card h3 { font-size: 15.5px; margin-bottom: 8px; color: var(--accent); }
.lp-card p { color: var(--text1); font-size: 14px; }
.lp-card code { font-family: var(--mono); font-size: 12.5px; color: var(--text0); }

/* ---------- faq ---------- */
.lp-faq { margin-top: 64px; }
.lp-faq details {
    background: var(--bg1); border: 1px solid var(--line); border-radius: 10px;
    padding: 0 18px; margin-bottom: 10px;
}
.lp-faq summary {
    cursor: pointer; padding: 14px 0; font-weight: 600; color: var(--text0);
    list-style: none;
}
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq summary::before { content: '▸ '; color: var(--accent); }
.lp-faq details[open] summary::before { content: '▾ '; }
.lp-faq details p { color: var(--text1); padding: 0 0 16px; font-size: 14px; max-width: 640px; }

/* ---------- footer ---------- */
.lp-footer {
    border-top: 1px solid var(--line); padding: 22px 28px;
    display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    color: var(--text2); font-size: 12.5px; max-width: 920px; margin: 0 auto;
}
.lp-noscript { color: var(--text1); padding: 24px 0; }
.lp-noscript a { color: var(--accent); }

@media (max-width: 640px) {
    .lp-header { flex-wrap: wrap; gap: 10px; padding: 12px 16px; }
    .lp-main { padding: 0 16px 56px; }
    .lp-hero { padding: 36px 0 24px; }
    .lp-price { font-size: 23px; }
    .lp-vol { text-align: left; }
    .lp-canvas { height: 180px; }
}

/* ---------- article (guides) ---------- */
.lp-article { padding: 48px 0 24px; max-width: 720px; }
.lp-article h1 { font-size: clamp(24px, 4vw, 36px); line-height: 1.2; letter-spacing: -0.02em; }
.lp-article h2 {
    font-size: 21px; margin: 34px 0 12px; letter-spacing: -0.01em;
}
.lp-article p { color: var(--text1); margin-bottom: 14px; font-size: 15.5px; }
.lp-article ul { margin: 0 0 18px 22px; color: var(--text1); }
.lp-article li { margin-bottom: 8px; }
.lp-article strong { color: var(--text0); }
.lp-article code { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.lp-more { margin-top: 44px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--text2); font-size: 13px; }
.lp-more a { color: var(--accent); margin-left: 8px; text-decoration: none; font-weight: 600; }
.lp-more a:hover { text-decoration: underline; }
