* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  font-family: var(--font-body);
  color: var(--fg-2);
}
a { color: inherit; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-1);
}
.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--to-navy-900);
  text-decoration: none;
  flex: 0 0 auto;
}
.wordmark:hover { text-decoration: none; }
.wordmark img { width: 30px; height: 30px; display: block; }
.wordmark span {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
}
.wordmark em {
  color: var(--to-navy-500);
  font-style: normal;
  font-weight: 500;
}
.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  color: var(--fg-2);
}
.nav a { color: inherit; text-decoration: none; }
.nav a:hover { color: var(--to-navy-700); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--to-navy-900);
  color: #fff;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.button:hover { background: var(--to-navy-700); color: #fff; text-decoration: none; }
.button .fa-arrow-right {
  font-size: .86em;
  line-height: 1;
}
.button.icon-button {
  width: 42px;
  padding: 10px;
}
.button.icon-button .fa-video {
  font-size: 16px;
  line-height: 1;
}
.button.icon-button .fa-chart-line {
  font-size: 16px;
  line-height: 1;
}
.button.secondary {
  background: #fff;
  color: var(--to-navy-900);
  border-color: var(--to-slate-300);
}
.button.secondary:hover { background: var(--to-navy-050); color: var(--to-navy-900); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--to-navy-500);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  line-height: 1.4;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 20px; height: 1px; background: currentColor; opacity: .7; }
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 72px;
  background: var(--to-navy-900);
  color: #fff;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 38%, transparent 80%);
}
.page-hero .container { position: relative; }
.page-hero .eyebrow { color: var(--to-navy-300); }
.page-hero h1 {
  max-width: 900px;
  margin: 22px 0 0;
  color: #fff;
  letter-spacing: 0;
}
.page-hero p {
  max-width: 760px;
  margin: 22px 0 0;
  color: rgba(255,255,255,.72);
}
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.section { padding: 88px 0; }
.section.alt { background: var(--to-navy-050); }
.split {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: start;
}
.prose h2,
.prose h3 {
  color: var(--fg-1);
  letter-spacing: 0;
}
.prose h2 { margin: 0 0 18px; font-size: 34px; line-height: 1.16; }
.prose h3 { margin: 34px 0 10px; font-size: 22px; }
.prose p { margin: 0 0 16px; color: var(--fg-2); line-height: 1.68; }
.prose ul { margin: 0; padding-left: 20px; }
.prose li { margin: 0 0 12px; line-height: 1.6; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}
.card:hover { text-decoration: none; border-color: var(--to-navy-300); }
.card h3 {
  margin: 0;
  color: var(--fg-1);
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: 0;
}
.card p { margin: 0; color: var(--fg-2); font-size: 14px; line-height: 1.55; }
.meta {
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.facts {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.fact {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border-1);
}
.fact:last-child { border-bottom: 0; padding-bottom: 0; }
.fact span:first-child {
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.fact span:last-child {
  color: var(--fg-1);
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: right;
}
.video-feature {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  gap: 42px;
  align-items: center;
}
.video-copy .eyebrow { margin-bottom: 16px; }
.video-copy h2 {
  margin: 0 0 14px;
  color: var(--fg-1);
  font-size: 34px;
  line-height: 1.16;
  letter-spacing: 0;
}
.video-copy p {
  margin: 0;
  max-width: 520px;
  color: var(--fg-2);
  line-height: 1.68;
}
.video-frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: var(--to-navy-900);
  box-shadow: var(--shadow-lg);
}
.video-frame video {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--to-navy-900);
  object-fit: cover;
}
.chart-demo {
  display: grid;
  gap: 24px;
}
.chart-demo-head {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, .7fr);
  gap: 32px;
  align-items: end;
}
.chart-demo-head .eyebrow {
  margin-bottom: 16px;
}
.chart-demo-head h2 {
  margin: 0;
  color: var(--fg-1);
  font-size: 34px;
  line-height: 1.16;
  letter-spacing: 0;
}
.chart-demo-head p {
  margin: 0;
  color: var(--fg-2);
  line-height: 1.68;
}
.chart-shell {
  position: relative;
  width: min(100%, 880px);
  height: clamp(260px, 56.25vw, 495px);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: var(--to-navy-900);
  box-shadow: var(--shadow-lg);
}
.chart-preview-button {
  all: unset;
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  cursor: pointer;
  overflow: hidden;
}
.chart-preview-static {
  cursor: default;
}
.chart-preview-button:focus-visible {
  outline: 3px solid var(--to-navy-300);
  outline-offset: 4px;
}
.chart-preview-button img,
.chart-iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}
.chart-preview-button img {
  background: var(--to-navy-900);
  object-fit: contain;
}
.chart-preview-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(8, 23, 46, .06), rgba(8, 23, 46, .64));
  color: #fff;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
}
.chart-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 1px solid rgba(255,255,255,.36);
  border-radius: 50%;
  background: rgba(255,255,255,.14);
  box-shadow: 0 18px 40px rgba(0,0,0,.22);
  backdrop-filter: blur(8px);
}
.chart-play .fa-chart-line {
  font-size: 22px;
}
.chart-iframe {
  background: var(--to-navy-900);
}
.callout {
  padding: 28px;
  border-radius: 16px;
  background: var(--to-navy-900);
  color: #fff;
}
.callout h2,
.callout h3 { margin: 0 0 12px; color: #fff; letter-spacing: 0; }
.callout p { margin: 0; color: rgba(255,255,255,.72); line-height: 1.6; }
.footer {
  padding: 52px 0 30px;
  background: var(--to-navy-900);
  color: #fff;
}
.footer .wordmark { color: #fff; }
.footer .wordmark img { filter: brightness(0) invert(1); }
.footer .wordmark em { color: var(--to-navy-300); }
.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: flex-start;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}
.footer a { color: rgba(255,255,255,.72); text-decoration: none; font-size: 14px; }
.footer-copy {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.45);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
}
@media (max-width: 900px) {
  .container { width: min(100% - 32px, 1120px); }
  .nav { display: none; }
  .page-hero h1 { font-size: 46px; }
  .split, .card-grid, .video-feature { grid-template-columns: 1fr; }
  .chart-demo-head { grid-template-columns: 1fr; align-items: start; }
  .section { padding: 68px 0; }
  .footer-row { flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}
@media (max-width: 560px) {
  .chart-demo {
    gap: 18px;
  }
  .chart-demo-head h2 {
    font-size: 28px;
  }
  .chart-demo-head p {
    font-size: 15px;
    line-height: 1.55;
  }
  .chart-shell {
    width: calc(100vw - 24px);
    height: clamp(280px, 78vw, 360px);
    border-radius: 10px;
  }
  .chart-preview-overlay {
    gap: 10px;
    padding: 18px;
    font-size: 14px;
  }
  .chart-play {
    width: 46px;
    height: 46px;
  }
  .chart-play .fa-chart-line {
    font-size: 18px;
  }
}