@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --bg: #161616;
  --surface: #1E1E1E;
  --surface-2: #242424;
  --border: #333333;
  --blue: #3B9DE8;
  --blue-deep: #1D6FC7;
  --purple: #8332CC;
  --purple-deep: #5B1F94;
  --text: #EDEDED;
  --muted: #A3A3AB;
  --muted-2: #7D7D85;
  --radius: 14px;
  --max-w: 1120px;
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1,h2,h3{
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.mono{
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.02em;
}
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
.wrap{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}
section{ position: relative; }
section[id]{ scroll-margin-top: 90px; }

/* background ambient glow */
.ambient{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(600px 400px at 85% 8%, rgba(131,50,204,0.16), transparent 60%),
    radial-gradient(500px 350px at 5% 30%, rgba(59,157,232,0.10), transparent 60%);
}

/* ---------- NAV ---------- */
header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(22,22,22,0.82);
  border-bottom: 1px solid var(--border);
}
nav.wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img{ height: 26px; width: auto; display:block; }
.brand span{
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.01em;
}
.navlinks{
  display: flex;
  gap: 36px;
  align-items: center;
}
.navlinks a{
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s ease;
}
.navlinks a:hover, .navlinks a[aria-current="page"]{ color: var(--text); }
.navlinks a:focus-visible, .btn:focus-visible, .card:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}
.nav-actions{
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: transform 0.2s ease;
}
.nav-toggle span::before{ position: absolute; top: -6px; }
.nav-toggle span::after{ position: absolute; top: 6px; }

.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  cursor: pointer;
}
.btn-primary{
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border: none;
  color: #06070A;
  font-weight: 600;
}
.btn-primary:hover{ filter: brightness(1.1); transform: translateY(-1px); }
.btn-ghost{
  background: rgba(237,237,237,0.08);
  border-color: rgba(237,237,237,0.4);
  color: var(--text);
}
.btn-ghost:hover{
  background: rgba(237,237,237,0.14);
  border-color: var(--text);
}

/* ---------- HERO ---------- */
.hero{
  padding: 130px 0 110px;
  background: linear-gradient(rgba(22,22,22,0.82), rgba(22,22,22,0.82)), url('../assets/images/Home-Hero-BG-1024x512.jpg') center / cover no-repeat;
}
.hero-layout{
  display: flex;
  align-items: center;
  gap: 56px;
}
.hero-image{
  width: 340px;
  flex-shrink: 0;
  border-radius: var(--radius);
}
.hero-content{ max-width: 620px; }
.eyebrow{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.eyebrow::before{
  content:"";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 0 3px rgba(131,50,204,0.25);
}
.hero h1{
  font-size: clamp(34px, 4.6vw, 56px);
  max-width: 620px;
}
.hero h1 em{
  font-style: normal;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead{
  margin-top: 22px;
  font-size: 17px;
  color: var(--muted);
  max-width: 520px;
}
.hero-ctas{
  margin-top: 36px;
  display: flex;
  gap: 14px;
}

/* ---------- SECTION HEADERS ---------- */
.section-head{
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 46px;
}
.section-head h2{ font-size: 30px; }
.section-head .rule{
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---------- GENERIC SECTIONS ---------- */
.about{ padding: 90px 0; border-top: 1px solid var(--border); }
.about p{
  color: var(--muted);
  font-size: 17px;
  max-width: 680px;
}
.about p + p{ margin-top: 18px; }

.products{ padding: 90px 0; border-top: 1px solid var(--border); }
.services{ padding: 90px 0; border-top: 1px solid var(--border); }

.cards{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.cards.single{
  grid-template-columns: minmax(0, 560px);
}
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.card:hover{
  border-color: var(--blue-deep);
  transform: translateY(-3px);
}
.card .icon{
  width: 40px; height: 40px;
  border-radius: 10px;
  margin-bottom: 22px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  display: flex; align-items:center; justify-content:center;
}
.card .icon svg{ width: 20px; height: 20px; }
.card h3{ font-size: 20px; margin-bottom: 12px; }
.card p{ color: var(--muted); font-size: 14.5px; }
.card .meta{
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.signal-list{
  margin-top: 26px;
  border-top: 1px solid var(--border);
  padding-top: 22px;
}
.signal-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.signal-row:hover{
  border-color: var(--blue-deep);
  transform: translateY(-2px);
}
.signal-row-main{
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.signal-name{
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 15px;
}
.signal-tag{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.signal-arrow{
  font-size: 13px;
  color: var(--blue);
  white-space: nowrap;
}

/* ---------- TEAM ---------- */
.team{ padding: 90px 0; border-top: 1px solid var(--border); }
.team-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.person{
  display: flex;
  align-items: center;
  gap: 28px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.avatar{
  width: 140px;
  height: 140px;
  flex-shrink: 0;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.avatar::before{
  content:"";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background: var(--grad, linear-gradient(135deg, var(--blue), var(--purple)));
}
.avatar span{
  position: relative;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
}
.avatar img{
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.person h4{ font-family:'Space Grotesk', sans-serif; font-size: 16px; font-weight: 600; }
.person p{ font-size: 13px; color: var(--muted-2); margin-top: 3px; }
.person .bio{ font-size: 13.5px; color: var(--muted); margin-top: 10px; }

/* ---------- CONTACT FORM ---------- */
.contact-page{ padding: 90px 0; border-top: 1px solid var(--border); }
.contact-page > .wrap > p.lead{
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 40px;
}
.contact-layout{
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
.form-group{
  margin-bottom: 20px;
}
.form-group label{
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea{
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
.form-group input:focus,
.form-group textarea:focus{
  outline: 2px solid var(--blue);
  outline-offset: 1px;
  border-color: var(--blue-deep);
}
.form-group textarea{ resize: vertical; min-height: 140px; }
.form-status{
  margin-top: 16px;
  font-size: 14px;
}
.form-status.success{ color: var(--blue); }
.form-status.error{ color: #E86868; }
.contact-info{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.contact-info h3{ font-size: 18px; margin-bottom: 14px; }
.contact-info p{ color: var(--muted); font-size: 14.5px; margin-bottom: 10px; }
.contact-info a{ color: var(--blue); }

footer{
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-content{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  font-size: 13px;
  color: var(--muted-2);
}
footer .brand img{ height: 18px; opacity: 0.8; }
.social-links{
  display: flex;
  gap: 16px;
}
.social-links a{
  color: var(--muted-2);
  transition: color 0.2s ease;
}
.social-links a:hover{ color: var(--text); }
.social-links svg{ width: 18px; height: 18px; }

/* ---------- BACK TO TOP ---------- */
.back-to-top{
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 40;
}
.back-to-top.visible{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top svg{ width: 20px; height: 20px; }

/* ---------- PRODUCT DETAIL PAGE ---------- */
.breadcrumb{
  padding: 24px 32px 0;
  font-size: 13px;
  color: var(--muted-2);
}
.breadcrumb a{ color: var(--muted); }
.breadcrumb a:hover{ color: var(--text); }

.product-hero{ padding: 40px 0 70px; }
.product-hero p.lead{
  margin-top: 22px;
  font-size: 17px;
  color: var(--muted);
  max-width: 680px;
}

.stats{ padding: 0 0 90px; }
.stat-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.stat-card .label{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.stat-card .value{
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 600;
}
.stat-card .sub{
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--muted);
}

.chart-section{ padding: 0 0 90px; }
.chart-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.chart-legend{
  display: flex;
  gap: 24px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--muted);
}
.chart-legend .dot{
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}
.chart-legend .dot.backtest{ background: var(--muted-2); }
.chart-legend .dot.live{ background: linear-gradient(135deg, var(--blue), var(--purple)); }
.chart-svg{ width: 100%; height: auto; display: block; }
.chart-note{
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted-2);
}
.table-card{
  margin-top: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 28px;
}
.table-scroll{ overflow-x: auto; }
.perf-table{
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  white-space: nowrap;
}
.perf-table th, .perf-table td{
  text-align: left;
  padding: 16px 14px;
}
.perf-table th{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
}
.perf-table td{ color: var(--text); border-bottom: 1px solid var(--border); }
.perf-table tr:last-child td{ border-bottom: none; }

.methodology{ padding: 0 0 90px; }
.methodology > .wrap > p{
  color: var(--muted);
  font-size: 16px;
  max-width: 720px;
  margin-bottom: 36px;
}
.method-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.method-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.method-card .label{
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 12px;
}
.method-card p{ color: var(--muted); font-size: 14px; }

/* reveal on scroll */
.reveal{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in{ opacity: 1; transform: translateY(0); }

@media (max-width: 860px){
  .cards{ grid-template-columns: 1fr; }
  .hero-layout{ flex-direction: column; align-items: flex-start; gap: 32px; }
  .hero-image{ width: 100%; max-width: 340px; }
  .person{ flex-direction: column; align-items: flex-start; text-align: left; }
  .avatar{ width: 100%; height: auto; aspect-ratio: 1; }
  .contact-layout{ grid-template-columns: 1fr; }
  .nav-toggle{ display: flex; }
  .navlinks{
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 32px 20px;
  }
  .navlinks.open{ display: flex; }
  .navlinks a{ padding: 12px 0; border-bottom: 1px solid var(--border); }
  .navlinks a:last-child{ border-bottom: none; }
  .nav-actions .btn-primary{ display: none; }
  .back-to-top{ right: 16px; bottom: 16px; }
  .stat-grid{ grid-template-columns: 1fr 1fr; }
  .method-grid{ grid-template-columns: 1fr; }
}