/* ==========================================================================
   TracksNinja — Modern Light layer (loaded after main.css)
   ========================================================================== */
:root:not([data-scheme=dark]) {
  --bg: #ffffff;
  --bgalt: #f7f7fb;
  --card: #ffffff;
  --link: #1e1b2e;
  --color: #1e1b2e;
}
:root {
  --tn-ink: #17142a;
  --tn-body: #4a4760;
  --tn-muted: #77738c;
  --tn-line: #ebe9f2;
  --tn-soft: #f7f6fb;
  --tn-accent: #b012d6;
  --tn-accent-2: #ff4e73;
  --tn-accent-soft: #f8ecfc;
  --tn-ok: #12a150;
  --tn-ok-soft: #e7f7ee;
  --tn-warn: #c77700;
  --tn-warn-soft: #fff4e0;
  --tn-bad: #d92d4b;
  --tn-bad-soft: #fdecef;
  --tn-grad: linear-gradient(120deg, #c704f2 0%, #ff4e73 100%);
  --tn-radius: 16px;
  --tn-shadow: 0 1px 2px rgba(23,20,42,.04), 0 8px 24px rgba(23,20,42,.06);
  --tn-shadow-lg: 0 2px 4px rgba(23,20,42,.04), 0 24px 60px rgba(23,20,42,.10);
}

/* ---------- Header (light) ---------- */
:root:not([data-scheme=dark]) body { background: #fff; color: var(--tn-body); }
:root:not([data-scheme=dark]) header .navbar .navbar-header img { filter: brightness(0) saturate(100%); }
:root:not([data-scheme=dark]) .home header.affix { background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(12px); box-shadow: 0 1px 0 var(--tn-line); }
:root:not([data-scheme=dark]) header .navbar .nav li a { color: var(--tn-ink); }
:root:not([data-scheme=dark]) header .navbar .nav li a.active { color: #fff; background: var(--tn-grad); }

/* ---------- Footer (light) ---------- */
:root:not([data-scheme=dark]) footer.main { background: var(--tn-soft); border-top: 1px solid var(--tn-line); color: var(--tn-muted); }
:root:not([data-scheme=dark]) footer.main img { filter: brightness(0) saturate(100%); }
:root:not([data-scheme=dark]) footer.main a { color: var(--tn-body); }
:root:not([data-scheme=dark]) footer.main a:hover { color: var(--tn-accent); }

/* ---------- Base ---------- */
.tn-home { color: var(--tn-body); font-size: 16px; line-height: 1.6; overflow-x: clip; }
.tn-home h1, .tn-home h2, .tn-home h3, .tn-home h4 { color: var(--tn-ink); letter-spacing: -0.02em; }
.tn-section { padding: 96px 0; }
.tn-section-soft { background: var(--tn-soft); border-top: 1px solid var(--tn-line); border-bottom: 1px solid var(--tn-line); }
.tn-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--tn-accent); background: var(--tn-accent-soft); padding: 6px 12px; border-radius: 999px; margin-bottom: 18px; }
.tn-title { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; line-height: 1.15; margin-bottom: 14px; }
.tn-lead { font-size: 18px; color: var(--tn-body); max-width: 640px; }
.tn-center { text-align: center; }
.tn-center .tn-lead { margin-left: auto; margin-right: auto; }
.tn-grad-text { background: var(--tn-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.tn-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 600; font-size: 15px; padding: 12px 22px; border-radius: 12px; border: 1px solid transparent; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; cursor: pointer; white-space: nowrap; }
.tn-btn:hover { transform: translateY(-1px); text-decoration: none; }
.tn-btn-primary { background: var(--tn-grad); color: #fff !important; box-shadow: 0 6px 18px rgba(199,4,242,.25); }
.tn-btn-primary:hover { box-shadow: 0 10px 24px rgba(199,4,242,.32); }
.tn-btn-ghost { background: #fff; color: var(--tn-ink) !important; border-color: var(--tn-line); }
.tn-btn-ghost:hover { border-color: #d9d5e6; }
.tn-btn-sm { padding: 8px 14px; font-size: 13px; border-radius: 10px; }

/* ---------- Hero ---------- */
.tn-hero { position: relative; padding: 150px 0 56px; background:
  radial-gradient(900px 480px at 85% 10%, rgba(255,78,115,.10), transparent 60%),
  radial-gradient(800px 500px at 10% 0%, rgba(199,4,242,.08), transparent 60%), #fff; }
.tn-hero h1 { font-size: clamp(36px, 5vw, 58px); font-weight: 800; line-height: 1.05; margin: 0 0 20px; }
.tn-hero .tn-lead { margin-bottom: 30px; }
.tn-hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.tn-checks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 14px; color: var(--tn-muted); }
.tn-checks li { display: flex; align-items: center; gap: 8px; }
.tn-checks i { color: var(--tn-ok); }

/* ---------- Demo generator card ---------- */
.tn-gen { background: #fff; border: 1px solid var(--tn-line); border-radius: 20px; box-shadow: var(--tn-shadow-lg); padding: 24px; position: relative; }
.tn-gen-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.tn-gen-head h3 { font-size: 18px; font-weight: 700; margin: 0; }
.tn-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--tn-ok-soft); color: var(--tn-ok); }
.tn-badge-muted { background: var(--tn-soft); color: var(--tn-muted); }
.tn-badge-warn { background: var(--tn-warn-soft); color: var(--tn-warn); }
.tn-badge-bad { background: var(--tn-bad-soft); color: var(--tn-bad); }
.tn-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--tn-soft); border: 1px solid var(--tn-line); border-radius: 12px; padding: 4px; margin-bottom: 16px; }
.tn-tab { border: 0; background: transparent; border-radius: 9px; padding: 9px 10px; font-size: 14px; font-weight: 600; color: var(--tn-muted); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; }
.tn-tab.is-active { background: #fff; color: var(--tn-ink); box-shadow: 0 1px 3px rgba(23,20,42,.08); }
.tn-field { margin-bottom: 12px; }
.tn-field label { display: block; font-size: 13px; font-weight: 600; color: var(--tn-ink); margin-bottom: 6px; }
.tn-input, .tn-select { width: 100%; font-size: 15px; color: var(--tn-ink); background: #fff; border: 1px solid #dedbe8; border-radius: 10px; padding: 11px 13px; outline: none; transition: border-color .15s, box-shadow .15s; }
.tn-input:focus, .tn-select:focus { border-color: var(--tn-accent); box-shadow: 0 0 0 4px rgba(176,18,214,.12); }
.tn-input.is-invalid { border-color: var(--tn-bad); box-shadow: 0 0 0 4px rgba(217,45,75,.10); }
.tn-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tn-err { color: var(--tn-bad); font-size: 13px; margin-top: 6px; display: none; }
.tn-err.show { display: block; }
.tn-gen .tn-btn-primary { width: 100%; margin-top: 4px; padding: 13px; }

.tn-out { margin-top: 18px; border-top: 1px dashed var(--tn-line); padding-top: 16px; display: none; }
.tn-out.show { display: block; animation: tnFade .25s ease; }
@keyframes tnFade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.tn-out-item { margin-bottom: 12px; }
.tn-out-label { display: flex; align-items: center; justify-content: space-between; font-size: 12px; font-weight: 600; color: var(--tn-muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px; }
.tn-code { display: flex; align-items: stretch; border: 1px solid var(--tn-line); border-radius: 10px; background: var(--tn-soft); overflow: hidden; }
.tn-code code { flex: 1; min-width: 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; color: var(--tn-ink); padding: 10px 12px; word-break: break-all; white-space: pre-wrap; background: transparent; }
.tn-code code .vt { color: var(--tn-accent); font-weight: 600; }
.tn-copy { border: 0; border-left: 1px solid var(--tn-line); background: #fff; color: var(--tn-body); padding: 0 12px; font-size: 13px; font-weight: 600; cursor: pointer; min-width: 64px; }
.tn-copy:hover { color: var(--tn-accent); }
.tn-copy.done { color: var(--tn-ok); }
.tn-checklist { list-style: none; padding: 0; margin: 14px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; font-size: 13px; }
.tn-checklist li { display: flex; align-items: center; gap: 8px; color: var(--tn-body); }
.tn-checklist i { color: var(--tn-ok); width: 14px; }
.tn-flow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 12.5px; margin-top: 12px; color: var(--tn-muted); }
.tn-flow span.node { background: #fff; border: 1px solid var(--tn-line); border-radius: 8px; padding: 4px 8px; color: var(--tn-ink); font-weight: 600; }
.tn-note { font-size: 12.5px; color: var(--tn-muted); margin-top: 12px; }
.tn-note a { color: var(--tn-accent); font-weight: 600; }

/* ---------- Stats strip ---------- */
.tn-home section.tn-stats-wrap { padding: 0 0 24px; margin: 0; }
.tn-home section { margin-top: 0; margin-bottom: 0; }
.tn-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--tn-line); border-radius: var(--tn-radius); background: #fff; box-shadow: var(--tn-shadow); }
.tn-stat { padding: 26px 24px; text-align: center; }
.tn-stat + .tn-stat { border-left: 1px solid var(--tn-line); }
.tn-stat strong { display: block; font-size: 32px; font-weight: 800; color: var(--tn-ink); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.tn-stat span { font-size: 14px; color: var(--tn-muted); }

/* ---------- Steps ---------- */
.tn-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.tn-step { background: #fff; border: 1px solid var(--tn-line); border-radius: var(--tn-radius); padding: 28px; box-shadow: var(--tn-shadow); }
.tn-step-num { width: 36px; height: 36px; border-radius: 10px; background: var(--tn-accent-soft); color: var(--tn-accent); font-weight: 800; display: grid; place-items: center; margin-bottom: 16px; }
.tn-step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.tn-step p { margin: 0; font-size: 15px; }

/* ---------- Features ---------- */
.tn-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.tn-feature { background: #fff; border: 1px solid var(--tn-line); border-radius: var(--tn-radius); padding: 26px; transition: box-shadow .2s, transform .2s, border-color .2s; }
.tn-feature:hover { box-shadow: var(--tn-shadow-lg); transform: translateY(-2px); border-color: #e2def0; }
.tn-ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 18px; color: var(--tn-accent); background: var(--tn-accent-soft); margin-bottom: 16px; }
.tn-feature h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tn-feature p { margin: 0; font-size: 15px; }

/* ---------- PPC Shield ---------- */
.tn-shield-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.tn-shield-list { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 16px; }
.tn-shield-list li { display: flex; gap: 14px; }
.tn-shield-list .tn-ico { margin: 0; flex: 0 0 40px; width: 40px; height: 40px; font-size: 16px; }
.tn-shield-list h4 { font-size: 16px; font-weight: 700; margin: 0 0 2px; }
.tn-shield-list p { margin: 0; font-size: 14.5px; }
.tn-panel { background: #fff; border: 1px solid var(--tn-line); border-radius: 20px; box-shadow: var(--tn-shadow-lg); overflow: hidden; }
.tn-panel-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--tn-line); }
.tn-panel-head strong { color: var(--tn-ink); font-size: 15px; }
.tn-kpis { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--tn-line); }
.tn-kpi { padding: 16px 20px; }
.tn-kpi + .tn-kpi { border-left: 1px solid var(--tn-line); }
.tn-kpi span { font-size: 12px; color: var(--tn-muted); display: block; }
.tn-kpi strong { font-size: 22px; color: var(--tn-ink); font-variant-numeric: tabular-nums; }
.tn-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tn-table th { text-align: left; font-weight: 600; color: var(--tn-muted); font-size: 12px; padding: 10px 20px; background: var(--tn-soft); }
.tn-table td { padding: 11px 20px; border-top: 1px solid var(--tn-line); color: var(--tn-ink); }
.tn-table td.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }
.tn-panel-foot { padding: 14px 20px; border-top: 1px solid var(--tn-line); display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--tn-muted); gap: 12px; flex-wrap: wrap; }

/* ---------- Testimonials ---------- */
.tn-quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.tn-quote { background: #fff; border: 1px solid var(--tn-line); border-radius: var(--tn-radius); padding: 24px; }

/* ---------- CTA ---------- */
.tn-cta { background: var(--tn-ink); border-radius: 24px; padding: 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; overflow: hidden; }
.tn-cta::after { content: ""; position: absolute; right: -120px; top: -120px; width: 380px; height: 380px; border-radius: 50%; background: var(--tn-grad); opacity: .35; filter: blur(40px); }
.tn-cta h2 { color: #fff !important; font-size: clamp(26px, 3vw, 36px); font-weight: 800; margin: 0 0 8px; position: relative; z-index: 1; }
.tn-cta p { color: #c9c6d8; margin: 0; position: relative; z-index: 1; max-width: 560px; }
.tn-cta .tn-btn { position: relative; z-index: 1; }

.tn-strip { padding: 8px 0 40px; }
.tn-strip-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 22px; padding: 16px 22px; border: 1px dashed #e2def0; border-radius: 14px; font-size: 13.5px; color: var(--tn-body); background: #fff; }
.tn-strip-inner i { color: var(--tn-accent); margin-right: 4px; }
.tn-strip-title { font-weight: 700; color: var(--tn-ink); }
.tn-strip-inner a { color: var(--tn-accent); font-weight: 600; text-decoration: none; }
.tn-compare td:nth-child(2), .tn-compare td:nth-child(3), .tn-compare th:nth-child(2), .tn-compare th:nth-child(3) { text-align: center; width: 22%; }
.tn-compare th:nth-child(2) { color: var(--tn-accent); }
.tn-faq-item { border: 1px solid var(--tn-line); border-radius: 14px; background: #fff; margin-bottom: 10px; padding: 0 20px; }
.tn-faq-item summary { cursor: pointer; list-style: none; padding: 18px 28px 18px 0; font-weight: 700; color: var(--tn-ink); position: relative; }
.tn-faq-item summary::-webkit-details-marker { display: none; }
.tn-faq-item summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 22px; color: var(--tn-muted); font-weight: 400; }
.tn-faq-item[open] summary::after { content: "–"; }
.tn-faq-item p { margin: 0 0 18px; }
.tn-feature h3 .tn-badge { font-size: 11px; padding: 2px 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .tn-hero { padding: 110px 0 40px; }
  .tn-hero .row > div + div { margin-top: 40px; }
  .tn-features, .tn-quotes { grid-template-columns: 1fr 1fr; }
  .tn-shield-grid { grid-template-columns: 1fr; gap: 40px; }
  .tn-cta { flex-direction: column; align-items: flex-start; padding: 40px 28px; }
}
@media (max-width: 640px) {
  .tn-section { padding: 64px 0; }
  .tn-home .container { padding-left: 16px; padding-right: 16px; }
  .tn-features, .tn-quotes, .tn-steps { grid-template-columns: 1fr; }
  .tn-stats { grid-template-columns: 1fr; }
  .tn-stat + .tn-stat { border-left: 0; border-top: 1px solid var(--tn-line); }
  .tn-row2, .tn-checklist { grid-template-columns: 1fr; }
  .tn-gen { padding: 18px; }
  .tn-kpis { grid-template-columns: 1fr 1fr 1fr; }
  .tn-kpi { padding: 12px; }
  .tn-kpi strong { font-size: 18px; }
  .tn-table th, .tn-table td { padding: 9px 12px; }
  .tn-hide-sm { display: none; }
}

/* ---------- Spacing overrides (beat main.css "body.light section { padding:100px 0 }") ---------- */
body .tn-home section.tn-hero { padding: 150px 0 56px; }
body .tn-home section.tn-section { padding: 96px 0; }
body .tn-home section.tn-strip { padding: 8px 0 40px; }
body .tn-home section.tn-stats-wrap { padding: 0 0 24px; }
@media (max-width: 991px) {
  body .tn-home section.tn-hero { padding: 110px 0 32px; }
}
@media (max-width: 640px) {
  body .tn-home section.tn-section { padding: 64px 0; }
  body .tn-home section.tn-strip { padding: 0 0 28px; }
}

/* ---------- CMS pages (Privacy, Terms) ---------- */
:root:not([data-scheme=dark]) .section-light h3.feature-h { color: var(--tn-ink); font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; letter-spacing: -0.02em; }
.main-content .panel { color: var(--tn-body); font-size: 15.5px; line-height: 1.7; }
.main-content .panel h3 { color: var(--tn-ink); font-size: 20px; font-weight: 700; margin: 32px 0 10px; letter-spacing: -0.01em; }
.main-content .panel h4 { color: var(--tn-ink); font-size: 16px; font-weight: 700; margin: 20px 0 8px; }
.main-content .panel ul { padding-left: 20px; margin-bottom: 14px; }
.main-content .panel li { margin-bottom: 6px; }
.main-content .panel a { color: var(--tn-accent); font-weight: 600; }
.main-content .panel code { color: var(--tn-accent); background: var(--tn-accent-soft); padding: 1px 6px; border-radius: 6px; font-size: .9em; }