/* TrackDart website: the app's colors and type (admin/src/styles.css), always light like the signup page */
:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f9fafb;
  --border: #e3e6eb;
  --text: #16191f;
  --text-2: #4b5363;
  --text-3: #7a8394;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #e8efff;
  --green: #15803d;
  --green-soft: #e3f5e9;
  --amber: #a35a00;
  --amber-soft: #fff3dc;
  --violet: #6d28d9;
  --violet-soft: #f0eaff;
  --navy: #0f1623;
  --navy-text: #aeb6c4;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--panel);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
.wrap { width: min(1160px, 100%); margin: 0 auto; padding: 0 24px; }
.narrow { width: min(780px, 100%); }
.center { text-align: center; }
.skip { position: absolute; left: -10000px; }
.skip:focus { left: 16px; top: 12px; z-index: 50; background: var(--panel); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid transparent;
  font-weight: 600; font-size: 15px; line-height: 1.3; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.ghost { border-color: rgba(255, 255, 255, 0.22); color: #fff; }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.08); }
.btn.lg { padding: 13px 22px; font-size: 16px; }
.btn.block { display: flex; width: 100%; }
.fine { font-size: 13.5px; color: var(--text-3); margin-top: 10px; }

/* ---------- header ---------- */
.top { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, 0.92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--border); }
.top-row { display: flex; align-items: center; gap: 28px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo-mark { display: grid; place-items: center; flex: none; color: var(--accent); }
/* "Dart" in the logo blue; lighter blue on the dark menu of the product picture */
.logo .dart { color: var(--accent); }
.ms-brand .logo-mark, .ms-brand .dart { color: #6b95f1; }
.nav { display: flex; gap: 4px; }
.nav a { color: var(--text-2); font-weight: 500; font-size: 15px; padding: 6px 10px; border-radius: 7px; }
.nav a:hover { color: var(--text); background: var(--bg); text-decoration: none; }
.nav a[aria-current] { color: var(--text); font-weight: 600; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.signin { color: var(--text-2); font-weight: 500; font-size: 15px; }
.signin:hover { color: var(--text); }
.menu { display: none; position: relative; }
.menu summary { list-style: none; cursor: pointer; padding: 6px; border-radius: 7px; color: var(--text); display: grid; }
.menu summary::-webkit-details-marker { display: none; }
.menu-panel { position: absolute; right: 0; top: calc(100% + 10px); background: var(--panel); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 12px 32px rgba(16, 24, 40, 0.14); padding: 6px; min-width: 220px; display: grid; }
.menu-panel a { color: var(--text); padding: 10px 12px; border-radius: 7px; font-weight: 500; }
.menu-panel a:hover { background: var(--bg); text-decoration: none; }

/* ---------- hero (dark, like the signup page's pitch) ---------- */
.hero {
  background: radial-gradient(900px 420px at 85% -10%, rgba(37, 99, 235, 0.35), transparent 70%), var(--navy);
  color: var(--navy-text);
  padding: 72px 0 80px;
  overflow: hidden;
}
.hero.short { padding: 64px 0 56px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 56px; align-items: center; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: #8fb3ff; margin-bottom: 14px; }
.hero h1 { color: #fff; font-size: clamp(32px, 4.4vw, 50px); letter-spacing: -0.03em; }
.hero .lead { margin-top: 18px; font-size: 18px; line-height: 1.6; max-width: 36em; }
.hero.short .lead { margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-actions.center { justify-content: center; }
.hero-notes { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 14.5px; }
.hero-notes li { display: inline-flex; align-items: center; gap: 7px; }
.ck { flex: none; color: #60a5fa; }
.section .ck, .plan .ck, .price-card .ck { color: var(--accent); }

/* ---------- product mockups ---------- */
.mock { background: var(--panel); border-radius: var(--radius); box-shadow: 0 30px 70px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(255, 255, 255, 0.06); color: var(--text); overflow: hidden; font-size: 13px; line-height: 1.4; }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--panel-2); border-bottom: 1px solid var(--border); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #d7dbe2; }
.mock-bar span { margin-left: 10px; font-size: 12px; color: var(--text-3); font-family: var(--mono); }
.mock-body { display: grid; grid-template-columns: 150px minmax(0, 1fr); min-height: 300px; }
.mock-side { background: var(--navy); padding: 14px 10px; color: var(--navy-text); font-size: 12px; }
.ms-brand { display: flex; align-items: center; gap: 7px; color: #fff; font-size: 13px; margin-bottom: 14px; }
.ms-brand .logo-mark svg { width: 20px; height: 20px; }
.ms-label { font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.08em; color: #6f7a8c; margin: 12px 6px 4px; }
.ms-item { padding: 5px 7px; border-radius: 5px; }
.ms-item.on { background: rgba(255, 255, 255, 0.1); color: #fff; }
.mock-main { padding: 16px; background: var(--bg); }
.mm-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; font-size: 15px; }
.mm-pill { font-size: 11.5px; background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 3px 8px; color: var(--text-2); }
.mm-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.mm-stats div { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 9px 10px; display: grid; gap: 2px; }
.mm-stats span { font-size: 11px; color: var(--text-3); }
.mm-stats b { font-size: 16px; letter-spacing: -0.01em; }
.mm-stats em { font-style: normal; font-size: 11px; font-weight: 600; }
.up { color: var(--green); }
.mm-chart { margin-top: 10px; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px 6px; }
.mm-chart-head { display: flex; justify-content: space-between; align-items: center; font-size: 12px; margin-bottom: 4px; }
.mm-chart-head span { color: var(--text-3); display: inline-flex; align-items: center; gap: 5px; font-size: 11px; }
.mm-chart-head i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; }
.k1 { background: var(--accent); }
.k2 { background: #9aa3b2; margin-left: 8px; }
.mm-chart svg { width: 100%; height: 140px; display: block; }

.mock-pad { padding: 18px; }
.auc-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 15px; }
.auc-step { margin: 12px 0 10px; font-size: 12px; color: var(--text-3); }
.auc-rows { display: grid; gap: 7px; }
.auc-row { display: grid; grid-template-columns: 74px minmax(0, 1fr) 62px 104px; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; }
.auc-row.win { border-color: #b9cdfb; background: var(--accent-soft); }
.auc-row.muted { color: var(--text-3); }
.auc-row b { text-align: right; }
.bar { height: 6px; border-radius: 3px; background: var(--bg); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 3px; }
.auc-row.muted .bar i { background: #c3c9d3; }
.badge { justify-self: end; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: #eef0f3; color: var(--text-2); white-space: nowrap; }
.badge.ok { background: var(--green-soft); color: var(--green); }
.badge.warn { background: var(--amber-soft); color: var(--amber); }
.auc-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.auc-foot div { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; display: grid; }
.auc-foot span { font-size: 11px; color: var(--text-3); }

.mock-table { overflow-x: auto; }
.mock-table table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.mock-table th, .mock-table td { padding: 9px 12px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--border); }
.mock-table th:first-child, .mock-table td:first-child { text-align: left; }
.mock-table th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-3); background: var(--panel-2); font-weight: 600; }
.mock-table tr.grp td { font-weight: 600; background: #fbfcfd; }
.mock-table td.sub { padding-left: 26px; color: var(--text-2); }
.mock-table tfoot td { font-weight: 700; border-bottom: 0; }

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section.alt { background: var(--bg); }
.section-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-head h2, .section h2 { font-size: clamp(26px, 3.2vw, 36px); }
.section-head p { margin-top: 12px; color: var(--text-2); font-size: 17px; }
.note-line { margin: 28px auto 0; max-width: 760px; text-align: center; color: var(--text-2); font-size: 15px; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.two-card { display: flex; flex-direction: column; gap: 14px; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); background: var(--panel); transition: border-color 0.15s, box-shadow 0.15s; }
.two-card:hover { text-decoration: none; border-color: #b9cdfb; box-shadow: 0 10px 30px rgba(16, 24, 40, 0.08); }
.two-card h3 { font-size: 21px; }
.tag { align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; }
.tag.blue { background: var(--accent-soft); color: var(--accent); }
.tag.violet { background: var(--violet-soft); color: var(--violet); }
.two-card ul, .plain { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; color: var(--text-2); font-size: 15.5px; }
.two-card li, .plain li { display: flex; gap: 9px; align-items: flex-start; }
.two-card li .ck, .plain li .ck { margin-top: 4px; }
.more { margin-top: auto; color: var(--accent); font-weight: 600; font-size: 15px; }

.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.section:not(.alt) .feat { background: var(--panel-2); }
.feat h3 { font-size: 17px; margin: 14px 0 6px; letter-spacing: -0.01em; }
.feat p { color: var(--text-2); font-size: 15px; line-height: 1.55; }
.ico { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; counter-reset: none; }
.steps li { border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.steps h3 { font-size: 18px; margin: 14px 0 6px; }
.steps p { color: var(--text-2); font-size: 15px; }
.num { width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 15px; }

.flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; counter-reset: flow; }
.flow li { position: relative; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 16px; background: var(--panel-2); display: grid; gap: 6px; align-content: start; counter-increment: flow; }
.flow b { font-size: 16px; }
.flow b::before { content: counter(flow) '. '; color: var(--accent); }
.flow span { color: var(--text-2); font-size: 14px; line-height: 1.5; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.split h2 { margin-bottom: 14px; }
.split p { color: var(--text-2); font-size: 16.5px; margin-bottom: 20px; }
.code { background: var(--navy); border-radius: var(--radius); padding: 22px 24px; overflow-x: auto; box-shadow: 0 20px 50px rgba(15, 22, 35, 0.2); }
.code pre { margin: 0; font: 13.5px/1.7 var(--mono); color: #d6dbe4; }
.code .c { color: #8fa0b8; }
.code .k { color: #8fb3ff; }
.code .s { color: #86efac; }

.portal-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: 0 16px 40px rgba(16, 24, 40, 0.08); font-size: 14px; }
.pc-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.pc-head span { color: var(--text-3); font-size: 13px; }
.pc-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-bottom: 12px; }
.pc-stats div { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px; display: grid; }
.pc-stats span { font-size: 12px; color: var(--text-3); }
.pc-stats b { font-size: 18px; }
.pc-row { display: flex; justify-content: space-between; gap: 10px; padding: 10px 2px; border-bottom: 1px solid var(--border); }
.pc-row span { color: var(--text-2); }
.pc-hidden { margin-top: 12px; font-size: 13px; color: var(--text-3); display: flex; gap: 8px; align-items: center; }
.pc-hidden::before { content: ''; width: 14px; height: 14px; flex: none; border-radius: 50%; background: var(--green-soft); box-shadow: inset 0 0 0 4px var(--green-soft), inset 0 0 0 7px var(--green); }

/* ---------- pricing ---------- */
.price-teaser { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.price-teaser h2 { margin-bottom: 12px; }
.price-teaser > div > p { color: var(--text-2); font-size: 17px; margin-bottom: 20px; }
.price-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 30px; box-shadow: 0 16px 40px rgba(16, 24, 40, 0.08); text-align: center; }
.price { display: flex; align-items: baseline; justify-content: center; gap: 4px; }
.price b { font-size: 52px; letter-spacing: -0.03em; line-height: 1; }
.price span { color: var(--text-2); font-size: 17px; }
.price-sub { color: var(--text-3); font-size: 14.5px; margin: 8px 0 22px; }
.pricing-section { padding-top: 0; margin-top: -24px; }
.plan { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 20px 50px rgba(16, 24, 40, 0.1); overflow: hidden; position: relative; }
.plan-top { padding: 34px 30px 30px; text-align: center; max-width: 420px; margin: 0 auto; }
.plan-top h2 { font-size: 18px; color: var(--text-2); margin-bottom: 10px; letter-spacing: 0; }
.plan-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; padding: 30px; background: var(--panel-2); border-top: 1px solid var(--border); }
.plan-cols h3 { font-size: 15px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); margin-bottom: 14px; }
.plan-cols .plain { font-size: 15px; }

/* ---------- FAQ ---------- */
.faq { margin-top: 32px; display: grid; gap: 10px; }
.faq details { border: 1px solid var(--border); border-radius: 10px; background: var(--panel); }
.faq summary { cursor: pointer; list-style: none; padding: 16px 48px 16px 20px; font-weight: 600; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 22px; font-weight: 400; color: var(--text-3); }
.faq details[open] summary::after { content: '–'; }
.faq details p { padding: 0 20px 18px; color: var(--text-2); }

/* ---------- call to action + footer ---------- */
.cta-band { background: radial-gradient(700px 300px at 50% 0%, rgba(37, 99, 235, 0.35), transparent 70%), var(--navy); color: var(--navy-text); padding: 80px 0; text-align: center; }
.cta-inner h2 { color: #fff; font-size: clamp(26px, 3.4vw, 38px); max-width: 20em; margin: 0 auto; }
.cta-inner p { margin: 14px auto 28px; font-size: 17px; max-width: 36em; }
.cta-band .fine { color: #8590a3; }
.foot { background: var(--panel); border-top: 1px solid var(--border); padding: 48px 0 28px; font-size: 14.5px; }
.foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; }
.foot-brand p { color: var(--text-3); margin-top: 10px; max-width: 22em; }
.foot-links { display: flex; flex-wrap: wrap; gap: 56px; }
.foot-links div { display: grid; gap: 8px; align-content: start; }
.foot-links h2 { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-3); margin-bottom: 4px; }
.foot-links a { color: var(--text-2); }
.foot-copy { margin-top: 36px; color: var(--text-3); font-size: 13.5px; }

/* ---------- smaller screens ---------- */
@media (max-width: 1020px) {
  .hero-grid, .split, .price-teaser { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding: 56px 0 64px; }
  .grid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plan-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .nav, .signin { display: none; }
  .menu { display: block; }
  .top-actions { gap: 8px; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .top-row { height: 58px; gap: 12px; }
  .top-actions .btn { padding: 8px 12px; font-size: 14px; }
  .hero { padding: 40px 0 48px; }
  .hero .lead { font-size: 16.5px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 32px; }
  .two, .grid3, .steps, .flow, .plan-cols { grid-template-columns: 1fr; }
  .two-card { padding: 22px; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
  .mm-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .auc-row { grid-template-columns: 62px minmax(0, 1fr) 56px; }
  .auc-row .badge { display: none; }
  .auc-foot { grid-template-columns: 1fr; }
  .plan-top { padding: 28px 20px 24px; }
  .plan-cols { padding: 24px 20px; }
  .price-card { padding: 24px; }
  .foot-links { gap: 32px; }
  .cta-band { padding: 60px 0; }
}