/* PolyEdge marketing pages — betextrader.com subpages.
   Dark theme matching the app; Lato/Open Sans + teal accent to stay in
   family with the main BetexTrader site. Self-contained, no frameworks. */

:root {
  --bg: #0a0d13;
  --bg-2: #0e131d;
  --panel: #131b29;
  --panel-2: #182233;
  --border: #24314a;
  --text: #eef4fb;
  --muted: #9db0c7;
  --accent: #3da5ff;
  --teal: #1abc9c;
  --green: #22d977;
  --pink: #ff5480;
  --amber: #ffb02e;
  --maxw: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Open Sans', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: Lato, Helvetica, Arial, sans-serif;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.5px;
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  font-weight: 700;
}

h3 {
  font-size: 1.12rem;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

.muted {
  color: var(--muted);
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 13, 19, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  height: 62px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: Lato, sans-serif;
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--text);
}

.logo:hover {
  text-decoration: none;
}

.logo-mark {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 22px;
}

.logo-mark i {
  width: 5px;
  border-radius: 1px;
  background: var(--accent);
  display: block;
}

.logo-mark i:nth-child(1) {
  height: 10px;
}

.logo-mark i:nth-child(2) {
  height: 16px;
}

.logo-mark i:nth-child(3) {
  height: 22px;
  background: var(--green);
}

.logo em {
  color: var(--accent);
  font-style: normal;
}

.nav a.nav-link {
  color: var(--muted);
  font-size: 0.93rem;
}

.nav a.nav-link:hover {
  color: var(--text);
  text-decoration: none;
}

.nav .spacer {
  flex: 1;
}

.back-link {
  color: var(--teal);
  font-size: 0.88rem;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #05121f;
  box-shadow: 0 6px 22px rgba(61, 165, 255, 0.28);
}

.btn-primary:hover {
  background: #5bb5ff;
  color: #05121f;
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--text);
}

.btn small {
  display: block;
  font-weight: 400;
  font-size: 0.72rem;
  opacity: 0.75;
  line-height: 1;
  margin-top: 3px;
}

/* ---------- hero ---------- */
.hero {
  padding: 74px 0 64px;
  background:
    radial-gradient(900px 420px at 78% -8%, rgba(61, 165, 255, 0.16), transparent 62%),
    radial-gradient(700px 380px at 8% 8%, rgba(34, 217, 119, 0.08), transparent 60%);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.76rem;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--green);
  background: rgba(34, 217, 119, 0.1);
  border: 1px solid rgba(34, 217, 119, 0.3);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero p.lede {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 34em;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.hero-meta {
  margin-top: 16px;
  font-size: 0.84rem;
  color: var(--muted);
}

/* ---------- ladder mockup ---------- */
.mock {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 12px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #38455e;
}

.mock-title {
  padding: 11px 14px 8px;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
}

.mock-title span:last-child {
  color: var(--amber);
}

.lad-head,
.lad-row {
  display: grid;
  grid-template-columns: 1fr 1.35fr 0.95fr 1.35fr 1fr;
  font-variant-numeric: tabular-nums;
}

.lad-head {
  font-size: 0.62rem;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  color: var(--muted);
  padding: 5px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  background: var(--panel-2);
}

.lad-head .l {
  color: var(--pink);
}

.lad-head .b {
  color: var(--accent);
}

.lad-row > div {
  padding: 4px 0;
  text-align: center;
  font-size: 0.76rem;
  border-bottom: 1px solid rgba(36, 49, 74, 0.5);
}

.c-lay {
  background: rgba(255, 84, 128, 0.16);
  color: #ffc4d5;
}

.c-back {
  background: rgba(61, 165, 255, 0.16);
  color: #bfe0ff;
}

.c-price {
  background: var(--panel-2);
  font-weight: 700;
}

.c-best {
  font-weight: 800;
  color: #fff;
}

.c-lay.c-best {
  background: rgba(255, 84, 128, 0.42);
}

.c-back.c-best {
  background: rgba(61, 165, 255, 0.45);
}

.c-price.now {
  color: var(--amber);
  box-shadow: inset 0 0 0 1px rgba(255, 176, 46, 0.55);
}

/* ---------- sections ---------- */
section {
  padding: 66px 0;
}

section.alt {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sec-head {
  max-width: 46em;
  margin-bottom: 36px;
}

.sec-head p {
  color: var(--muted);
  font-size: 1.03rem;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
  font-size: 0.94rem;
  margin: 0;
}

.ico {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  margin-bottom: 14px;
  background: rgba(61, 165, 255, 0.12);
  border: 1px solid rgba(61, 165, 255, 0.28);
}

/* ---------- download ---------- */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 760px;
}

.dl {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px;
  text-align: center;
}

.dl .os {
  font-size: 2rem;
  margin-bottom: 6px;
}

.dl h3 {
  margin-bottom: 4px;
}

.dl .req {
  color: var(--muted);
  font-size: 0.82rem;
  margin: 10px 0 16px;
}

.note {
  background: rgba(255, 176, 46, 0.08);
  border: 1px solid rgba(255, 176, 46, 0.32);
  border-left-width: 3px;
  border-radius: 6px;
  padding: 14px 18px;
  font-size: 0.9rem;
  color: #f2dcb4;
  margin-top: 26px;
}

.note strong {
  color: var(--amber);
}

/* ---------- steps ---------- */
.steps {
  counter-reset: s;
  display: grid;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
}

.step::before {
  counter-increment: s;
  content: counter(s);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #05121f;
  font-weight: 800;
  font-family: Lato, sans-serif;
}

.step h3 {
  margin: 3px 0 6px;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.step p + p {
  margin-top: 8px;
}

/* ---------- faq ---------- */
details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 10px;
}

details[open] {
  border-color: rgba(61, 165, 255, 0.4);
}

summary {
  cursor: pointer;
  font-weight: 700;
  font-family: Lato, sans-serif;
  font-size: 1.02rem;
}

details p {
  color: var(--muted);
  margin: 12px 0 0;
  font-size: 0.94rem;
}

/* ---------- misc ---------- */
kbd {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 7px;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.85em;
  color: var(--text);
}

code {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.88em;
  color: #cfe6ff;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.disclaimer {
  margin-top: 10px;
  font-size: 0.8rem;
  opacity: 0.8;
  max-width: 60em;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid,
  .grid-3,
  .grid-2,
  .dl-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 48px 0 44px;
  }
  .nav a.nav-link {
    display: none;
  }
}