:root {
  --bg: #0d1726;
  --bg-soft: #13233a;
  --card: #ffffff;
  --text: #172033;
  --muted: #64748b;
  --blue: #4682b4;
  --blue-dark: #1f4e79;
  --green: #2e8b57;
  --line: rgba(15, 23, 42, 0.12);
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #f3f6fa;
}

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  background: rgba(13, 23, 38, 0.96);
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand:visited,
.brand:hover,
.brand:active {
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--blue);
  font-weight: 800;
  letter-spacing: 0.5px;
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
}

.brand-subtitle {
  color: #b7c4d7;
  font-size: 13px;
  margin-top: 2px;
}

nav {
  display: flex;
  gap: 18px;
  color: #dce7f4;
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: white;
}

.hero {
  background:
    radial-gradient(circle at 75% 20%, rgba(70, 130, 180, 0.35), transparent 32%),
    linear-gradient(135deg, var(--bg), var(--bg-soft));
  color: white;
  padding: 86px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-weight: 800;
  color: var(--blue);
  font-size: 12px;
  margin-bottom: 12px;
}

.hero .eyebrow {
  color: #8fc5ef;
}

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

h1 {
  font-size: clamp(42px, 6vw, 68px);
  line-height: 0.98;
  margin-bottom: 22px;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.08;
  margin-bottom: 14px;
}

h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.lead {
  color: #d4dfec;
  font-size: 20px;
  line-height: 1.55;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: var(--green);
  color: white;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.12);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.panel {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.status-panel {
  padding: 26px;
}

.panel-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 24px;
}

.status-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.status-row span {
  color: #c7d4e4;
}

.status-row strong {
  text-align: right;
}

.signal {
  display: flex;
  gap: 8px;
  align-items: end;
  height: 52px;
  margin-top: 26px;
}

.signal span {
  display: block;
  width: 18px;
  border-radius: 6px 6px 0 0;
  background: #8fc5ef;
}

.signal span:nth-child(1) { height: 18px; }
.signal span:nth-child(2) { height: 28px; }
.signal span:nth-child(3) { height: 39px; }
.signal span:nth-child(4) { height: 52px; background: var(--green); }

.section {
  padding: 74px 0;
}

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

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading p,
.split p,
.contact p {
  color: var(--muted);
  line-height: 1.6;
  font-size: 18px;
}

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

.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.07);
}

.card p {
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.product-card {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.screenshot-card{
    padding:20px;
}

.screenshot-card img{
    width:100%;
    height:auto;
    display:block;
    border-radius:12px;
    margin-bottom:16px;
}

.screenshot-card h3{
    margin:0;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

.split,
.contact,
.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
}

.download-box {
  background: #f3f6fa;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  min-width: min(100%, 500px);
}

.download-line {
  display: grid;
  gap: 8px;
  padding: 12px 0;
}

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

.download-line span {
  font-weight: 800;
}

code {
  display: inline-block;
  color: var(--blue-dark);
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  overflow-wrap: anywhere;
}

footer {
  background: var(--bg);
  color: #cbd5e1;
  padding: 24px 0;
  font-size: 14px;
}

@media (max-width: 820px) {
  .nav,
  .split,
  .contact,
  .footer-content {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
  }

  .hero {
    padding: 60px 0;
  }

  .hero-grid,
  .cards {
    grid-template-columns: 1fr;
  }

}