:root {
  --ink: #071b34;
  --muted: #61708a;
  --paper: #f7fbff;
  --white: #ffffff;
  --line: #dce7f5;
  --blue: #1657ff;
  --cyan: #00b7ff;
  --violet: #8a00ff;
  --navy: #071b34;
  --soft-blue: #eef6ff;
  --soft-violet: #f5edff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr);
  align-items: center;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(22, 87, 255, 0.12);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
}

.brand img {
  display: block;
  width: 172px;
  height: auto;
}

.topbar nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.topbar nav a:hover {
  color: var(--blue);
}

.topbar-cta {
  justify-self: end;
  padding: 10px 15px;
  border: 1px solid rgba(22, 87, 255, 0.18);
  border-radius: 5px;
  background: var(--white);
  font-size: 14px;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(300px, 480px);
  gap: clamp(28px, 5vw, 88px);
  align-items: center;
  padding: 78px clamp(20px, 5vw, 72px) 48px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

#marketCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(247, 251, 255, 0.98), rgba(247, 251, 255, 0.8) 54%, rgba(247, 251, 255, 0.48)),
    linear-gradient(0deg, rgba(247, 251, 255, 1), rgba(247, 251, 255, 0.08) 46%);
  pointer-events: none;
}

.hero-main,
.market-panel {
  position: relative;
  z-index: 1;
}

.kicker {
  margin: 0 0 14px;
  color: var(--violet);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 24px;
  font-size: clamp(48px, 8vw, 112px);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(34px, 5vw, 72px);
  line-height: 0.96;
  letter-spacing: 0;
}

h3 {
  font-size: 23px;
  line-height: 1.08;
}

.hero-copy {
  max-width: 700px;
  margin-bottom: 30px;
  color: #415675;
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.35;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.contact-form button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 5px;
  font-weight: 850;
}

.button.primary,
.contact-form button {
  background: linear-gradient(135deg, var(--blue), var(--violet));
  color: var(--white);
}

.button.secondary {
  border: 1px solid rgba(22, 87, 255, 0.18);
  background: rgba(255, 255, 255, 0.74);
}

.market-panel {
  align-self: stretch;
  display: grid;
  align-content: end;
  min-height: 520px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--blue);
}

.panel-head span,
.market-panel dt {
  color: var(--muted);
}

.panel-head strong {
  color: var(--violet);
}

.market-panel dl {
  margin: 0;
}

.market-panel dl div {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(22, 87, 255, 0.14);
}

.market-panel dt,
.market-panel dd {
  margin: 0;
}

.market-panel dd {
  font-weight: 760;
}

.section {
  padding: 96px clamp(20px, 5vw, 72px);
}

.section-intro {
  max-width: 820px;
  margin-bottom: 40px;
}

.section-intro p:not(.kicker) {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.publishers {
  background: var(--white);
}

.capability-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.capability-list article {
  display: grid;
  grid-template-columns: 80px minmax(220px, 360px) minmax(260px, 1fr);
  gap: clamp(18px, 4vw, 64px);
  align-items: start;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.capability-list span {
  color: var(--blue);
  font-weight: 900;
}

.capability-list p,
.ai-grid p,
.quality-grid p,
.contact-copy p {
  color: var(--muted);
  line-height: 1.58;
}

.ai-lift {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(238, 246, 255, 0.92)),
    radial-gradient(circle at 88% 18%, rgba(138, 0, 255, 0.14), transparent 34%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(22, 87, 255, 0.16);
  border: 1px solid rgba(22, 87, 255, 0.16);
}

.ai-grid article {
  min-height: 300px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.78);
}

.ai-grid b {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: var(--white);
  font-size: 13px;
}

.advertisers {
  background: linear-gradient(135deg, var(--soft-blue), var(--soft-violet));
}

.advertiser-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.92fr) minmax(320px, 1fr);
  gap: clamp(30px, 6vw, 96px);
  align-items: start;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(22, 87, 255, 0.14);
  border: 1px solid rgba(22, 87, 255, 0.14);
}

.workflow div {
  min-height: 190px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.66);
}

.workflow b {
  display: block;
  margin-bottom: 56px;
  font-size: 26px;
}

.workflow span {
  color: #536681;
  line-height: 1.46;
}

.quality {
  background: var(--paper);
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.quality-grid article {
  min-height: 260px;
  padding: 24px;
  background: #ffffff;
}

.formats {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(320px, 1fr);
  gap: clamp(30px, 6vw, 88px);
  padding: 88px clamp(20px, 5vw, 72px);
  background: #fafdff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.formats ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-content: start;
  padding: 0;
  margin: 0;
  list-style: none;
}

.formats li {
  padding: 16px 18px;
  border-left: 4px solid var(--blue);
  background: linear-gradient(90deg, #eef6ff, #ffffff);
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(320px, 520px);
  gap: clamp(32px, 7vw, 120px);
  padding: 100px clamp(20px, 5vw, 72px);
  background:
    radial-gradient(circle at 20% 10%, rgba(0, 183, 255, 0.2), transparent 34%),
    radial-gradient(circle at 80% 0%, rgba(138, 0, 255, 0.18), transparent 32%),
    var(--navy);
  color: var(--white);
}

.contact .kicker {
  color: #78dcff;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
}

.contact-copy a {
  color: #78dcff;
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font: inherit;
}

.contact-form select option {
  color: var(--ink);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid #00b7ff;
  outline-offset: 2px;
}

.contact-form button {
  border: 0;
  background: linear-gradient(135deg, #00b7ff, #8a00ff);
  color: #ffffff;
  cursor: pointer;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  background: #06162d;
  color: rgba(255, 255, 255, 0.66);
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .topbar nav {
    display: none;
  }

  .hero,
  .advertiser-layout,
  .formats,
  .contact {
    grid-template-columns: 1fr;
  }

  .market-panel {
    min-height: auto;
  }

  .capability-list article {
    grid-template-columns: 56px 1fr;
  }

  .capability-list article p {
    grid-column: 2;
  }

  .quality-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ai-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .topbar-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .hero-actions,
  .workflow,
  .quality-grid,
  .formats ul {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
  }

  .market-panel dl div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .capability-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .capability-list article p {
    grid-column: auto;
  }
}