/* Landing / marketing pages — layered on top of style.css.
   Fintech-pro tone: white bg, big type, tight metrics, plenty of air. */

.landing-body {
    background: #ffffff;
    color: #0d1117;
}

/* ---------- top nav ---------- */

.marketing-nav {
    display: flex; align-items: center; gap: 32px;
    padding: 20px 40px;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(8px);
    position: sticky; top: 0; z-index: 10;
}
.marketing-nav .brand {
    font-size: 18px; font-weight: 700; color: var(--fg);
    text-decoration: none;
    letter-spacing: -0.01em;
}
.marketing-nav nav {
    display: flex; gap: 24px;
}
.marketing-nav nav a {
    color: var(--muted); font-size: 14px; text-decoration: none;
    font-weight: 500;
}
.marketing-nav nav a:hover { color: var(--fg); }
.marketing-nav .nav-right {
    margin-left: auto;
    display: flex; align-items: center; gap: 10px;
}
.lang-toggle {
    display: flex; gap: 4px;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2px;
    margin-right: 10px;
}
.lang-toggle a {
    padding: 4px 10px;
    font-size: 12px; font-weight: 600;
    color: var(--muted); text-decoration: none;
    border-radius: 4px;
}
.lang-toggle a.active {
    background: var(--fg); color: white;
}

/* ---------- hero ---------- */

.hero {
    padding: 88px 40px 96px;
    text-align: center;
    background:
        radial-gradient(circle at 20% 20%, rgba(9,105,218,.06), transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(26,127,55,.04), transparent 50%);
}
.hero-inner { max-width: 780px; margin: 0 auto; }
.hero h1 {
    font-size: 52px; line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 0 0 24px;
    font-weight: 800;
}
.hero-sub {
    font-size: 19px; line-height: 1.55;
    color: var(--muted);
    max-width: 620px; margin: 0 auto 36px;
}
.hero-cta {
    display: flex; gap: 12px; justify-content: center;
    margin-bottom: 20px; flex-wrap: wrap;
}
.hero-trust {
    font-size: 13px; color: var(--muted);
    margin-top: 32px;
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px; margin-top: 56px;
    max-width: 780px; margin-left: auto; margin-right: auto;
}
.hero-stat {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 20px;
    text-align: left;
    box-shadow: 0 1px 2px rgba(0,0,0,.02);
    position: relative; overflow: hidden;
    transition: transform .12s ease, box-shadow .12s ease;
}
.hero-stat::before {
    content: ""; position: absolute; inset: 0 auto 0 0;
    width: 4px; background: var(--strat, var(--accent));
}
.hero-stat:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.06);
}
.hero-stat .stat-label {
    font-size: 11px; text-transform: uppercase;
    letter-spacing: .05em; color: var(--muted);
    font-weight: 600;
}
.hero-stat .stat-value {
    font-size: 34px; font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--success); margin: 6px 0 4px;
    font-variant-numeric: tabular-nums;
}
.hero-stat .stat-strategy {
    font-size: 13px; color: var(--fg); font-weight: 500;
    display: flex; align-items: center; gap: 6px;
}
.hero-stat .stat-strategy .dot {
    display: inline-block; width: 8px; height: 8px;
    border-radius: 50%; background: var(--strat, var(--accent));
}

/* ---------- leaderboard ---------- */

.leaderboard-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 800px) {
    .leaderboard-grid { grid-template-columns: 1fr; }
}
.leaderboard-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 2px rgba(0,0,0,.02);
}
.leaderboard-head {
    display: flex; justify-content: space-between;
    align-items: baseline; margin-bottom: 18px;
    padding-bottom: 14px; border-bottom: 1px solid var(--border);
}
.leaderboard-head h3 {
    font-size: 17px; margin: 0;
    letter-spacing: -0.01em;
}
.lb-row {
    display: grid;
    grid-template-columns: 160px 1fr 80px;
    align-items: center; gap: 14px;
    padding: 10px 0;
}
.lb-strategy {
    display: flex; align-items: center; gap: 10px;
    min-width: 0;
}
.lb-code {
    background: var(--strat, var(--accent));
    color: #fff; font-weight: 700; font-size: 11px;
    padding: 3px 9px; border-radius: 999px;
    letter-spacing: .02em; flex-shrink: 0;
}
.lb-name {
    font-size: 13px; color: var(--fg);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.lb-bar {
    background: color-mix(in srgb, var(--strat, var(--accent)) 8%, transparent);
    height: 22px; border-radius: 4px; overflow: hidden;
}
.lb-bar-fill {
    height: 100%;
    background: var(--strat, var(--accent));
    border-radius: 4px;
    transition: width .8s cubic-bezier(.2,.9,.3,1);
    box-shadow: inset 0 -2px 0 rgba(0,0,0,.06);
}
.lb-value {
    text-align: right; font-weight: 800; font-size: 15px;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
}
.lb-value.up   { color: var(--success); }
.lb-value.down { color: var(--danger); }

/* ---------- app preview ---------- */

.preview-tabs {
    display: flex; justify-content: center; gap: 6px;
    margin-bottom: 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px;
    max-width: fit-content;
    margin-left: auto; margin-right: auto;
}
.preview-tabs button {
    background: transparent; border: none;
    padding: 8px 20px; font-size: 13px; font-weight: 600;
    color: var(--muted); border-radius: 999px;
    cursor: pointer;
    transition: background .12s ease, color .12s ease;
}
.preview-tabs button:hover { color: var(--fg); }
.preview-tabs button.active {
    background: var(--accent); color: #fff;
}
.preview-window {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.08);
    overflow: hidden;
    max-width: 1100px; margin: 0 auto;
}
.preview-chrome {
    display: flex; align-items: center; gap: 6px;
    background: #f6f8fa;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
}
.preview-chrome .dot {
    width: 11px; height: 11px; border-radius: 50%;
    background: #d0d7de;
}
.preview-chrome .dot-r { background: #ff5f57; }
.preview-chrome .dot-y { background: #febc2e; }
.preview-chrome .dot-g { background: #28c840; }
.preview-chrome .preview-url {
    margin-left: 12px; font-size: 12px;
    color: var(--muted);
}
.preview-img {
    width: 100%; display: none;
    height: auto;
}
.preview-img.active { display: block; }

/* ---------- blog ---------- */

.blog-list {
    display: flex; flex-direction: column; gap: 16px;
}
.blog-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform .12s ease, box-shadow .12s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,.02);
}
.blog-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.06);
    border-color: var(--accent);
}
.blog-card-link {
    display: flex; gap: 20px; padding: 22px;
    text-decoration: none; color: inherit;
    align-items: flex-start;
}
.blog-cover {
    font-size: 42px;
    width: 72px; height: 72px;
    background: linear-gradient(135deg, #eef4fc 0%, #ffffff 100%);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.blog-body { flex: 1; min-width: 0; }
.blog-meta {
    display: flex; gap: 6px; align-items: center;
    font-size: 12px; color: var(--muted);
    text-transform: uppercase; letter-spacing: .04em; font-weight: 600;
}
.blog-body h2 {
    font-size: 20px; margin: 6px 0 6px;
    letter-spacing: -0.01em;
}
.blog-body p {
    font-size: 14px; color: var(--muted);
    line-height: 1.55; margin: 0 0 10px;
}
.blog-tags {
    display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px;
}
.blog-tag {
    background: var(--bg-alt); color: var(--muted);
    padding: 2px 8px; border-radius: 999px;
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .03em;
    border: 1px solid var(--border);
}

.blog-article { max-width: 720px; }
.breadcrumbs {
    margin-bottom: 16px; font-size: 13px;
}
.blog-article .post-cover {
    font-size: 56px; margin-bottom: 12px;
}
.blog-article h1 {
    font-size: 40px; letter-spacing: -0.02em; margin: 0 0 12px;
    font-weight: 800; line-height: 1.15;
}
.post-meta {
    display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
    color: var(--muted); font-size: 13px; margin-bottom: 28px;
    padding-bottom: 20px; border-bottom: 1px solid var(--border);
}
.post-body { font-size: 16px; line-height: 1.7; color: #24292f; }
.post-body h2 {
    font-size: 22px; letter-spacing: -0.01em;
    margin: 32px 0 12px; font-weight: 700;
}
.post-body p { margin: 0 0 16px; }
.post-body ul { padding-left: 22px; margin: 0 0 16px; }
.post-body li { margin: 6px 0; }
.post-cta {
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    border: 1px solid #d0e2ff;
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    margin-top: 40px;
}
.post-cta h3 { margin: 0 0 6px; font-size: 20px; }

/* ---------- section ---------- */

.section {
    padding: 88px 40px;
}
.section-alt {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-inner {
    max-width: 1120px;
    margin: 0 auto;
}
.section-narrow {
    max-width: 720px;
}
.section-head {
    text-align: center;
    margin-bottom: 48px;
}
.section-head h2 {
    font-size: 36px; letter-spacing: -0.02em;
    font-weight: 700;
    margin: 0 0 12px;
}
.section-head .lead {
    font-size: 16px; color: var(--muted);
    max-width: 600px; margin: 0 auto;
}

/* ---------- strategies ---------- */

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}
.strategy-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px 22px 20px;
    display: flex; flex-direction: column; gap: 14px;
    transition: transform .12s ease, box-shadow .12s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,.02);
}
.strategy-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.07);
    border-color: var(--strat, var(--accent));
}
.strategy-card-head {
    display: flex; justify-content: flex-start; align-items: center;
    gap: 8px;
    margin: 0;
}
.strategy-card .strategy-code {
    background: var(--strat, var(--accent));
    color: #fff;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .02em;
}
.strategy-card .strategy-flag {
    font-size: 15px;
}
.strategy-card h3 {
    font-size: 20px; margin: 0;
    letter-spacing: -0.01em;
    line-height: 1.25;
}
.strategy-tagline {
    font-size: 13px; font-weight: 600;
    color: var(--strat, var(--accent));
    margin: 0;
}
.strategy-desc {
    font-size: 13px; color: var(--muted);
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3; -webkit-box-orient: vertical;
    overflow: hidden;
}
.strategy-sparkline {
    height: 72px;
    margin: 2px 0;
}
.strategy-sparkline svg {
    width: 100%; height: 100%; display: block;
}
.spark-legend {
    display: flex; gap: 14px; align-items: center;
    margin: 2px 0 8px; font-size: 11px; color: var(--muted, #656d76);
}
.spark-legend-item {
    display: inline-flex; align-items: center; gap: 5px;
}
.spark-swatch {
    display: inline-block; width: 14px; height: 3px; border-radius: 2px;
}
.spark-swatch-bench {
    background: #b3b8bd;
}
.strategy-returns {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.strategy-returns .ret-box {
    background: color-mix(in srgb, var(--strat, var(--accent)) 4%, #f8fafc);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    transition: background .15s ease;
}
.strategy-card:hover .strategy-returns .ret-box {
    background: color-mix(in srgb, var(--strat, var(--accent)) 8%, #f8fafc);
}
.strategy-returns .ret-box .lbl {
    font-size: 10px; text-transform: uppercase;
    letter-spacing: .05em; color: var(--muted);
    font-weight: 600;
}
.strategy-returns .ret-box .val {
    font-weight: 700; font-size: 17px;
    margin-top: 2px;
    letter-spacing: -0.01em;
}
.strategy-returns .val.big-num {
    font-size: 22px; font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    display: flex; align-items: baseline; gap: 4px;
}
.strategy-returns .val.big-num .arrow {
    font-size: 16px; font-weight: 700;
    margin-right: 2px;
}
.strategy-returns .val.up   { color: #1a7f37; }
.strategy-returns .val.down { color: #cf222e; }

.strategy-meta {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin: 0;
}
.strategy-meta .label {
    font-size: 10px; text-transform: uppercase;
    letter-spacing: 0.05em; color: var(--muted);
}
.strategy-meta .value {
    font-size: 16px; font-weight: 700;
    letter-spacing: -0.01em;
    text-transform: capitalize;
    margin-top: 2px;
}
.strategy-tickers .label {
    font-size: 10px; text-transform: uppercase;
    letter-spacing: 0.05em; color: var(--muted);
    margin-bottom: 8px;
}
.ticker-chips {
    display: flex; flex-wrap: wrap; gap: 6px;
}
.chip {
    background: color-mix(in srgb, var(--strat, var(--accent)) 12%, transparent);
    color: var(--strat, var(--accent));
    padding: 3px 10px;
    font-size: 12px; font-weight: 600;
    border-radius: 999px;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    border: 1px solid transparent;
}
.strategy-card:hover .chip {
    border-color: var(--strat, var(--accent));
    background: #fff;
}

/* ---------- steps ---------- */

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
}
.step {
    padding: 24px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
}
.step-n {
    font-size: 12px; font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}
.step h3 {
    font-size: 17px; margin: 0 0 8px;
    letter-spacing: -0.01em;
}
.step p {
    font-size: 13px; color: var(--muted);
    line-height: 1.55;
    margin: 0;
}

/* ---------- pricing ---------- */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.pricing-card {
    padding: 28px 22px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex; flex-direction: column;
    text-align: center;
}
.pricing-featured {
    border: 2px solid var(--accent);
    box-shadow: 0 6px 24px rgba(9,105,218,.12);
    position: relative;
}
.pricing-featured::before {
    content: "Most common";
    position: absolute; top: -12px; left: 50%;
    transform: translateX(-50%);
    background: var(--accent); color: white;
    padding: 3px 10px; font-size: 10px; font-weight: 700;
    border-radius: 999px; letter-spacing: 0.05em;
    text-transform: uppercase;
}
.pricing-tier {
    font-size: 12px; text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 8px;
}
.pricing-price {
    font-size: 28px; font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}
.pricing-range {
    font-size: 12px; color: var(--muted);
    margin-bottom: 20px;
    min-height: 30px;
}
.btn-block { display: block; width: 100%; text-align: center; }
.pricing-included {
    margin-top: 32px; text-align: center;
    font-size: 13px; color: var(--muted);
}

/* ---------- faq ---------- */

.faq-list {
    display: flex; flex-direction: column;
    gap: 10px;
}
.faq-item {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 20px;
}
.faq-item summary {
    cursor: pointer;
    font-weight: 600; font-size: 15px;
    list-style: none;
    display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+"; font-size: 22px; color: var(--muted);
    font-weight: 300;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
    margin: 12px 0 0;
    color: var(--muted); font-size: 14px; line-height: 1.6;
}

/* ---------- final cta ---------- */

.final-cta { text-align: center; padding: 88px 40px; }
.final-cta h2 {
    font-size: 34px; letter-spacing: -0.02em;
    margin: 0 0 24px; font-weight: 700;
}

/* ---------- footer ---------- */

.marketing-footer {
    padding: 40px 40px 60px;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}
.footer-inner {
    max-width: 1120px; margin: 0 auto;
}
.disclaimer {
    font-size: 11px; color: var(--muted);
    line-height: 1.6;
    margin: 0 0 16px;
    max-width: 900px;
}
.copy {
    font-size: 12px; color: var(--muted);
    margin: 0;
}

/* ---------- larger btn variant ---------- */
.btn-lg {
    padding: 12px 22px;
    font-size: 15px;
    font-weight: 600;
}

/* ---------- responsive ---------- */
@media (max-width: 720px) {
    .marketing-nav { padding: 14px 20px; gap: 14px; }
    .marketing-nav nav { display: none; }
    .hero { padding: 60px 20px; }
    .hero h1 { font-size: 34px; }
    .hero-sub { font-size: 16px; }
    .section { padding: 60px 20px; }
    .section-head h2 { font-size: 28px; }
}