:root {
  color-scheme: light;
  --ink: #121417;
  --muted: #5b6472;
  --line: #d9dee7;
  --paper: #f7f5ef;
  --panel: #ffffff;
  --accent: #1d4ed8;
  --accent-2: #00a884;
  --hot: #ef3f5a;
  --shadow: 0 22px 60px rgba(18, 20, 23, 0.14);
}

* {
  box-sizing: border-box;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: #fff;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.site-header.is-solid {
  color: var(--ink);
  background: rgba(247, 245, 239, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}

.brand-symbol {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid currentColor;
  font-weight: 800;
}

.brand-mark strong,
.brand-mark small {
  display: block;
}

.brand-mark small {
  margin-top: 2px;
  color: currentColor;
  opacity: 0.72;
  font-size: 12px;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.top-nav a {
  opacity: 0.86;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  padding: 120px clamp(18px, 5vw, 72px) 88px;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("https://images.unsplash.com/photo-1460925895917-afdab827c52f?auto=format&fit=crop&w=2200&q=82");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(9, 12, 18, 0.84) 0%, rgba(9, 12, 18, 0.52) 48%, rgba(9, 12, 18, 0.16) 100%),
    linear-gradient(180deg, rgba(9, 12, 18, 0.15), rgba(9, 12, 18, 0.5));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 840px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(46px, 8vw, 98px);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 20px;
  line-height: 1.65;
}

.hero-actions,
.contact-band {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-actions {
  margin-top: 34px;
}

.btn,
.icon-button {
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
}

.btn.primary {
  background: #fff;
  color: var(--ink);
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.46);
  color: #fff;
}

.live-strip {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 36px));
  margin: -46px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--shadow);
}

.live-strip > div,
.icon-button {
  background: var(--panel);
}

.live-strip > div {
  min-height: 92px;
  padding: 20px;
}

.live-strip span,
.operator-row span,
.metric-board span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.live-strip strong {
  font-size: clamp(18px, 2vw, 28px);
}

.icon-button {
  min-width: 74px;
  color: var(--accent);
  font-size: 24px;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 92px 0;
}

.intro-grid,
.proof-grid {
  display: grid;
  grid-template-columns: 0.5fr 1.2fr 0.8fr;
  gap: 42px;
  align-items: start;
}

.section h2 {
  margin: 0;
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

.section p {
  color: var(--muted);
  line-height: 1.75;
}

.operator-panel,
.metric-board,
.channel-card,
.service-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.operator-panel {
  overflow: hidden;
}

.operator-row {
  padding: 22px;
}

.operator-row + .operator-row {
  border-top: 1px solid var(--line);
}

.operator-row strong {
  font-size: 26px;
}

.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.channel-card {
  min-height: 420px;
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.channel-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 40px;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-weight: 900;
}

.channel-card h3 {
  margin: 0 0 14px;
  font-size: 28px;
}

.channel-card p {
  margin-top: 0;
}

.channel-card ul {
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.channel-card li {
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: #303742;
}

.google {
  border-top: 5px solid #4285f4;
}

.meta {
  border-top: 5px solid #0866ff;
}

.tiktok {
  border-top: 5px solid #fe2c55;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--line);
  background: var(--panel);
}

.timeline article {
  min-height: 250px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.timeline article:last-child {
  border-right: 0;
}

.timeline small {
  display: block;
  margin-bottom: 28px;
  color: var(--accent);
  font-weight: 900;
}

.timeline h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.timeline p {
  margin: 0;
  font-size: 14px;
}

.proof-grid {
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.metric-board {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  overflow: hidden;
}

.metric-board article {
  min-height: 136px;
  padding: 24px;
}

.metric-board article:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.metric-board article:nth-child(-n + 2) {
  border-bottom: 1px solid var(--line);
}

.metric-board strong {
  font-size: 36px;
}

.service-columns {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 42px;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.service-list article {
  padding: 24px;
}

.service-list h3 {
  margin: 0 0 10px;
}

.contact-band {
  justify-content: space-between;
  border-top: 1px solid var(--ink);
  padding-bottom: 100px;
}

.contact-band .btn.primary {
  background: var(--ink);
  color: #fff;
}

@media (max-width: 960px) {
  .top-nav {
    display: none;
  }

  .live-strip,
  .intro-grid,
  .proof-grid,
  .service-columns,
  .channel-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline article,
  .timeline article:last-child {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .live-strip {
    margin-top: -24px;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand-mark small {
    display: none;
  }

  .hero {
    min-height: 86vh;
    padding: 108px 18px 70px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .service-list,
  .metric-board {
    grid-template-columns: 1fr;
  }

  .metric-board article,
  .metric-board article:nth-child(odd),
  .metric-board article:nth-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}