:root {
  color-scheme: light;
  --black: #0b0d10;
  --ink: #14181e;
  --muted: #586271;
  --paper: #ffffff;
  --surface: #f1f4f6;
  --line: #cfd6de;
  --red: #ee2038;
  --cyan: #4dcbe4;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--paper);
  color: var(--ink);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
}

img { max-width: 100%; }

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid #d9dee5;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.header-shell,
.content-shell,
.intro-shell {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.header-shell {
  min-height: 76px;
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  width: min(290px, 100%);
  padding: 6px 8px;
  text-decoration: none;
}

.brand-mark {
  flex: 0 0 102px;
  border-right: 1px solid #e4e7ec;
  padding-right: 9px;
}

.brand-mark img {
  width: 92px;
  height: 46px;
  display: block;
  object-fit: contain;
}

.brand-logo {
  width: 100%;
  min-width: 0;
  display: block;
}

.primary-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  color: #465164;
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.primary-nav a,
.call-link {
  text-decoration: none;
}

.primary-nav a:hover { color: var(--red); }

.call-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid #c9d1dc;
  border-radius: 6px;
  background: #f8fafc;
  padding: 0 13px;
  color: #101828;
  font-weight: 950;
  white-space: nowrap;
}

.product-intro {
  position: relative;
  overflow: hidden;
  background: var(--black);
  color: #ffffff;
}

.product-intro::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 13px;
  height: 100%;
  background: var(--cyan);
}

.intro-shell {
  min-height: 600px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  align-items: center;
  gap: 60px;
  padding: 72px 26px 72px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

h1,
h2,
h3,
p { letter-spacing: 0; }

h1 {
  max-width: 760px;
  margin: 0;
  font-size: 4.25rem;
  line-height: 0.98;
}

.lead {
  max-width: 770px;
  margin: 22px 0 0;
  color: #d5dbe3;
  font-size: 1.18rem;
  line-height: 1.6;
}

.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  padding: 13px 20px;
  font-weight: 950;
  text-decoration: none;
  text-align: center;
}

.button-primary {
  border: 1px solid var(--red);
  background: var(--red);
  color: #ffffff;
}

.button-primary:hover { background: #c8172d; }

.button-secondary {
  border: 1px solid #667180;
  background: transparent;
  color: #ffffff;
}

.button-secondary:hover { border-color: #ffffff; }

.platform-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 26px;
  color: #aeb7c3;
  font-size: 0.86rem;
  font-weight: 800;
}

.platform-line span {
  position: relative;
  padding-left: 15px;
}

.platform-line span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.app-identity {
  justify-self: end;
  width: min(360px, 100%);
  border-left: 1px solid #3e4651;
  padding: 22px 0 22px 42px;
}

.app-identity img {
  width: 224px;
  height: 224px;
  display: block;
  image-rendering: auto;
}

.app-identity p {
  max-width: 310px;
  margin: 22px 0 0;
  color: #b7c0cb;
  line-height: 1.55;
}

.app-identity strong { color: #ffffff; }

.pricing-band {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pricing-grid > div {
  min-height: 138px;
  display: grid;
  align-content: center;
  border-right: 1px solid var(--line);
  padding: 24px 26px;
}

.pricing-grid > div:first-child { border-left: 1px solid var(--line); }

.pricing-grid span {
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 950;
  text-transform: uppercase;
}

.pricing-grid strong {
  margin-top: 5px;
  font-size: 1.9rem;
}

.pricing-grid small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.feature-section,
.channel-section,
.trust-section {
  padding: 88px 0;
}

.section-heading {
  max-width: 820px;
}

.section-heading h2,
.channel-layout h2,
.trust-layout h2 {
  margin: 0;
  font-size: 2.8rem;
  line-height: 1.05;
}

.section-heading > p:last-child,
.channel-layout > div > p:last-child,
.trust-layout > div > p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-top: 42px;
}

.feature-grid article {
  min-height: 225px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px;
}

.feature-grid article > span {
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 950;
}

.feature-grid h3 {
  margin: 34px 0 0;
  font-size: 1.35rem;
}

.feature-grid p {
  margin: 11px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.channel-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #f6f7f9;
}

.channel-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(520px, 1.25fr);
  gap: 64px;
  align-items: start;
}

.channel-table {
  border-top: 3px solid var(--black);
  border-bottom: 1px solid #bfc7d1;
}

.channel-row {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1.15fr;
  border-bottom: 1px solid #cbd2da;
}

.channel-row:last-child { border-bottom: 0; }

.channel-row > * {
  min-width: 0;
  padding: 17px 14px;
  line-height: 1.45;
}

.channel-head {
  background: #e4e8ed;
  color: #586271;
  font-size: 0.72rem;
  font-weight: 950;
  text-transform: uppercase;
}

.channel-row:not(.channel-head) span {
  color: var(--muted);
  font-size: 0.92rem;
}

.trust-section {
  background: var(--black);
  color: #ffffff;
}

.trust-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(460px, 1.2fr);
  gap: 70px;
}

.trust-layout > div > p:last-child { color: #b7c0cb; }

.trust-links {
  border-top: 1px solid #4a525e;
}

.trust-links a {
  display: grid;
  grid-template-columns: minmax(150px, 0.7fr) minmax(0, 1.3fr);
  gap: 22px;
  border-bottom: 1px solid #4a525e;
  padding: 21px 0;
  color: #ffffff;
  text-decoration: none;
}

.trust-links a:hover strong { color: var(--cyan); }

.trust-links span {
  color: #b7c0cb;
  line-height: 1.45;
}

.site-footer {
  border-top: 6px solid var(--red);
  background: #ffffff;
  padding: 34px 0;
}

.footer-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
}

.footer-layout > img { width: 240px; }

.footer-layout nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
}

.footer-layout nav a {
  color: #465164;
  font-size: 0.82rem;
  font-weight: 900;
  text-decoration: none;
}

.footer-layout p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
  text-align: right;
}

.footer-layout p a { color: var(--ink); font-weight: 900; }

@media (max-width: 980px) {
  .header-shell {
    grid-template-columns: 1fr auto;
    padding: 10px 0;
  }

  .primary-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    flex-wrap: wrap;
    padding-bottom: 6px;
  }

  .intro-shell {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 58px;
    padding-bottom: 58px;
  }

  h1 { font-size: 3.3rem; }

  .app-identity {
    justify-self: start;
    width: 100%;
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: center;
    gap: 24px;
    border-left: 0;
    border-top: 1px solid #3e4651;
    padding: 28px 0 0;
  }

  .app-identity img { width: 150px; height: 150px; }
  .app-identity p { margin: 0; }

  .channel-layout,
  .trust-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .footer-layout {
    grid-template-columns: 1fr 1fr;
  }

  .footer-layout p {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 720px) {
  .header-shell,
  .content-shell,
  .intro-shell {
    width: min(100% - 28px, 1240px);
  }

  .header-shell { grid-template-columns: 1fr; }
  .call-link { display: none; }
  .primary-nav { grid-column: auto; }

  h1 { font-size: 2.55rem; }
  .lead { font-size: 1rem; }

  .intro-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }

  .app-identity {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .app-identity img { width: 96px; height: 96px; }

  .pricing-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid > div {
    min-height: 112px;
    border-left: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .pricing-grid > div:last-child { border-bottom: 0; }

  .feature-section,
  .channel-section,
  .trust-section { padding: 62px 0; }

  .section-heading h2,
  .channel-layout h2,
  .trust-layout h2 { font-size: 2.1rem; }

  .channel-row {
    grid-template-columns: 1fr;
    padding: 13px 0;
  }

  .channel-head { display: none; }

  .channel-row > * { padding: 4px 12px; }

  .channel-row strong::before,
  .channel-row span::before {
    display: block;
    margin-bottom: 2px;
    color: #717b88;
    font-size: 0.66rem;
    font-weight: 950;
    text-transform: uppercase;
  }

  .channel-row strong::before { content: "Channel"; }
  .channel-row span:nth-child(2)::before { content: "Purchase"; }
  .channel-row span:nth-child(3)::before { content: "Installation"; }

  .trust-links a { grid-template-columns: 1fr; gap: 6px; }

  .footer-layout { grid-template-columns: 1fr; }
  .footer-layout p { grid-column: auto; }
}