:root {
  --ink: #18232f;
  --muted: #5c6875;
  --line: #d9e0e7;
  --paper: #ffffff;
  --soft: #f4f7fa;
  --brand: #0e6f8f;
  --brand-dark: #08495e;
  --accent: #c73c2d;
  --accent-dark: #98291e;
  --green: #19705d;
  --shadow: 0 18px 45px rgba(24, 35, 47, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--brand);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
  position: sticky;
  top: 0;
  z-index: 5;
}

.header-inner,
.container {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  flex-direction: column;
  color: var(--ink);
  text-decoration: none;
  line-height: 1;
}

.brand-main {
  font-size: 1.42rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-main span {
  color: var(--accent);
}

.brand-powered {
  margin-top: 7px;
  font-size: 0.74rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.94rem;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--brand);
}

.site-nav .button,
.site-nav .button:hover {
  color: #fff;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  line-height: 1.15;
  box-shadow: 0 10px 22px rgba(199, 60, 45, 0.18);
}

.button:hover {
  background: var(--accent-dark);
  color: #fff;
}

.button.secondary {
  background: #fff;
  color: var(--brand-dark);
  border-color: var(--brand);
  box-shadow: none;
}

.button.secondary:hover {
  background: #edf7fa;
  color: var(--brand-dark);
}

.hero {
  background:
    linear-gradient(120deg, rgba(14, 111, 143, 0.12), rgba(199, 60, 45, 0.08)),
    var(--soft);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 44px;
  align-items: center;
  padding: 58px 0;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
  font-weight: 800;
}

h1,
h2,
h3 {
  line-height: 1.16;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 4.15rem);
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

h3 {
  margin: 0 0 10px;
  font-size: 1.22rem;
}

.lede {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 66ch;
}

.hero-actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 30px;
}

.trust-strip span {
  display: block;
  background: #fff;
  padding: 13px 14px;
  font-size: 0.92rem;
  font-weight: 750;
  color: var(--brand-dark);
}

.product-visual {
  min-height: 360px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(244, 247, 250, 0.94)),
    repeating-linear-gradient(0deg, rgba(14, 111, 143, 0.07) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(14, 111, 143, 0.07) 0 1px, transparent 1px 28px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scope-placeholder {
  width: min(440px, 100%);
  aspect-ratio: 1.45;
  border-radius: 8px;
  background: #e7edf2;
  border: 8px solid #d1dae2;
  box-shadow: inset 0 0 0 1px rgba(24, 35, 47, 0.14), 0 14px 28px rgba(24, 35, 47, 0.16);
  display: grid;
  grid-template-columns: 1fr 122px;
  gap: 12px;
  padding: 18px;
}

.scope-screen {
  border-radius: 5px;
  background:
    linear-gradient(90deg, transparent 49%, rgba(86, 230, 124, 0.18) 50%, transparent 51%),
    linear-gradient(0deg, transparent 49%, rgba(86, 230, 124, 0.18) 50%, transparent 51%),
    #17251f;
  position: relative;
  overflow: hidden;
}

.scope-screen::after {
  content: "";
  position: absolute;
  inset: 28% 8% 25%;
  border-top: 4px solid #5cf08d;
  border-radius: 50%;
  transform: skewX(-14deg);
  box-shadow: 0 30px 0 #62e4ff;
}

.scope-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  align-content: center;
}

.scope-controls span {
  aspect-ratio: 1;
  border-radius: 50%;
  background: #f8fafc;
  border: 1px solid #bdc8d2;
}

.product-photo {
  display: block;
  width: 100%;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.article-image {
  margin: 24px 0 28px;
}

.section {
  padding: 58px 0;
}

.section.alt {
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.narrow {
  max-width: 820px;
}

.grid-3,
.grid-2 {
  display: grid;
  gap: 20px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 24px;
}

.card p:last-child {
  margin-bottom: 0;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.spec-table th,
.spec-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.spec-table th {
  width: 34%;
  background: #f7fafc;
}

.callout {
  border: 1px solid rgba(14, 111, 143, 0.25);
  border-left: 5px solid var(--brand);
  border-radius: 8px;
  background: #f2fbfd;
  padding: 22px;
}

.cta-band {
  background: var(--ink);
  color: #fff;
  padding: 48px 0;
}

.cta-band h2,
.cta-band p {
  color: #fff;
}

.cta-band .button.secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.72);
}

.breadcrumb {
  margin: 24px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
}

.article {
  padding: 42px 0 58px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 42px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 96px;
}

.sidebar .card {
  box-shadow: var(--shadow);
}

.link-list {
  padding-left: 20px;
}

.link-list li {
  margin: 7px 0;
}

.site-footer {
  background: #101820;
  color: #dbe3eb;
  padding: 34px 0;
}

.site-footer a {
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
    gap: 14px;
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .hero-grid,
  .article-layout,
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .sidebar {
    position: static;
  }

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

@media (max-width: 560px) {
  .header-inner,
  .container {
    width: min(100% - 24px, 1140px);
  }

  .site-nav {
    gap: 11px;
    font-size: 0.88rem;
  }

  .button {
    width: 100%;
  }

  .hero-grid {
    padding: 38px 0;
  }

  .section {
    padding: 42px 0;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }

  .scope-placeholder {
    grid-template-columns: 1fr;
    aspect-ratio: auto;
    min-height: 240px;
  }

  .scope-controls {
    grid-template-columns: repeat(6, 1fr);
  }
}