:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5c6876;
  --line: #d8e0e8;
  --paper: #f6f8f9;
  --white: #ffffff;
  --blue: #2159a4;
  --blue-dark: #183f73;
  --green: #17885a;
  --amber: #d88b1f;
  --shadow: 0 24px 70px rgba(23, 32, 42, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(246, 248, 249, 0.92);
  border-bottom: 1px solid rgba(216, 224, 232, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--green));
  border-radius: 8px;
  font-weight: 800;
}

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

.brand small {
  color: var(--muted);
  font-size: 12px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 20px;
  color: var(--muted);
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: clamp(36px, 6vw, 78px) clamp(18px, 4vw, 56px) 40px;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.92), rgba(246, 248, 249, 0.62)),
    linear-gradient(180deg, #eef4f8, #f6f8f9);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(44px, 6vw, 82px);
  line-height: 0.95;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.02;
}

h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

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

.button.primary:hover {
  background: var(--blue-dark);
}

.button.secondary {
  color: var(--blue-dark);
  background: var(--white);
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 640px;
  margin: 34px 0 0;
}

.quick-stats div {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.quick-stats dt {
  color: var(--blue);
  font-size: 28px;
  font-weight: 900;
}

.quick-stats dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.product-frame {
  overflow: hidden;
  background: #1e1f20;
  border: 1px solid rgba(23, 32, 42, 0.18);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  color: #aab1ba;
  font-size: 13px;
}

.window-bar span {
  width: 10px;
  height: 10px;
  background: #4b5563;
  border-radius: 50%;
}

.window-bar strong {
  margin-left: 8px;
  font-weight: 700;
}

.product-frame img {
  display: block;
  width: 100%;
  min-height: 320px;
  object-fit: cover;
  object-position: left top;
}

.strip {
  padding: 24px clamp(18px, 4vw, 56px);
  background: var(--ink);
  color: var(--white);
}

.strip p {
  margin-bottom: 14px;
  color: #dce5ee;
  font-weight: 700;
}

.logo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.logo-row span {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px;
  font-weight: 800;
}

.section {
  padding: clamp(54px, 7vw, 96px) clamp(18px, 4vw, 56px);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(28px, 5vw, 70px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature-grid article {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-grid p,
.video-section p,
.download-panel p,
.footer p {
  color: var(--muted);
}

.screenshots {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 18px;
  padding-top: 0;
}

figure {
  overflow: hidden;
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

figcaption {
  display: grid;
  gap: 3px;
  padding: 16px;
}

figcaption span {
  color: var(--muted);
  font-size: 14px;
}

.video-section,
.download-panel,
.footer {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}

.video-shell {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--ink);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.video-shell iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.download-panel {
  margin: 0 clamp(18px, 4vw, 56px) clamp(54px, 7vw, 96px);
  padding: clamp(28px, 5vw, 44px);
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 8px solid var(--amber);
  border-radius: 8px;
}

.download-panel .section {
  padding: 0;
}

.footer {
  align-items: start;
  padding: clamp(40px, 6vw, 72px) clamp(18px, 4vw, 56px);
  background: #101820;
  color: var(--white);
}

.footer h2 {
  font-size: clamp(26px, 4vw, 44px);
}

.footer h3 {
  margin-top: 0;
}

.contact {
  justify-self: end;
  min-width: 260px;
}

.socials {
  display: flex;
  gap: 10px;
}

.socials img {
  width: 34px;
  height: 34px;
}

.copyright {
  grid-column: 1 / -1;
  margin: 28px 0 0;
  font-size: 13px;
}

@media (max-width: 920px) {
  .site-header,
  .hero,
  .two-column,
  .screenshots,
  .video-section,
  .download-panel,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .contact {
    justify-self: start;
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  h1 {
    font-size: 42px;
  }

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