:root {
  --bg: #f6f8fb;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: #d9e2ef;
  --card: #ffffff;
  --cyan: #08a6c7;
  --blue: #2563eb;
  --green: #18a058;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(8, 166, 199, 0.08), transparent 34%),
    linear-gradient(180deg, #fff 0%, var(--bg) 48%, #edf3f8 100%);
  font-family: Inter, Segoe UI, Arial, Helvetica, sans-serif;
}

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

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, calc(100% - 32px));
  margin: 16px auto 0;
  padding: 12px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.brand,
.nav,
.actions,
.card-head,
.download-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  min-width: max-content;
}

.brand-logo {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, #0f172a, #174058 58%, #08a6c7);
  font-weight: 900;
  letter-spacing: 0;
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  color: var(--ink);
  font-size: 16px;
  line-height: 1;
}

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

.nav {
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.nav a,
.btn {
  min-height: 38px;
  border-radius: 8px;
  padding: 10px 13px;
  border: 1px solid transparent;
  color: #334155;
  font-size: 14px;
  font-weight: 700;
}

.nav a:hover,
.btn:hover {
  background: #eef6ff;
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-color: var(--line);
  background: #fff;
}

.btn.primary {
  border-color: transparent;
  background: linear-gradient(135deg, #0f172a, #174058 60%, #08a6c7);
  color: #fff;
  box-shadow: 0 16px 35px rgba(8, 166, 199, 0.2);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: center;
  gap: 34px;
  min-height: calc(100vh - 92px);
  padding: 72px 0 48px;
}

.eyebrow,
.section-label,
.module-label {
  color: var(--cyan);
  font-family: Consolas, monospace;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  margin-top: 8px;
  color: var(--ink);
  font-size: clamp(44px, 8vw, 92px);
  font-weight: 900;
  line-height: 0.92;
}

.page-title {
  max-width: 880px;
  padding: 64px 0 24px;
}

.page-title h1 {
  font-size: clamp(40px, 6vw, 68px);
}

.hero p:not(.eyebrow),
.page-title p,
.section p {
  margin-top: 18px;
  color: #475569;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.65;
}

.actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-panel {
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(233, 248, 252, 0.94)),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(15, 23, 42, 0.04) 32px);
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.12);
}

.signal {
  display: grid;
  gap: 8px;
  padding: 20px;
  border-radius: 8px;
  background: #0f172a;
  color: #fff;
}

.signal span,
.metric span {
  color: #94a3b8;
  font-size: 13px;
}

.signal strong {
  font-size: 24px;
}

.lines {
  display: grid;
  gap: 12px;
  margin: 34px 0;
}

.lines span {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #08a6c7, #b9e8f3, transparent);
}

.lines span:nth-child(2) {
  width: 76%;
  background: linear-gradient(90deg, #18a058, #d8f4e3, transparent);
}

.lines span:nth-child(3) {
  width: 88%;
  background: linear-gradient(90deg, #2563eb, #d7e4ff, transparent);
}

.metrics,
.features,
.program-grid,
.account-grid,
.admin-grid,
.support-grid,
.gallery {
  display: grid;
  gap: 16px;
}

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

.metric,
.feature,
.program-card,
.info-card,
.admin-card,
.download-row,
.screen {
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.06);
}

.metric {
  display: grid;
  gap: 4px;
  padding: 16px;
}

.metric strong {
  color: var(--ink);
  font-size: 26px;
}

.section {
  padding: 36px 0 72px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 22px;
}

.section h2,
.program-card h3,
.download-row h2,
.admin-card h2,
.info-card h2 {
  margin-top: 8px;
  color: var(--ink);
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.05;
}

.features,
.program-grid,
.account-grid,
.admin-grid,
.support-grid,
.gallery {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature,
.admin-card,
.info-card {
  padding: 24px;
}

.feature strong,
.admin-card h2 {
  color: var(--ink);
  font-size: 18px;
}

.feature p,
.program-card p,
.admin-card p,
.download-row p,
.info-card dd,
.requirements {
  margin-top: 10px;
  color: #5d6b7e;
  line-height: 1.6;
}

.program-card {
  display: grid;
  gap: 18px;
  padding: 20px;
}

.card-head {
  justify-content: space-between;
  gap: 14px;
}

.program-logo {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 8px;
  color: #fff;
  font-family: Consolas, monospace;
  font-size: 17px;
  font-weight: 900;
  background: linear-gradient(135deg, #0891b2, #0f172a);
}

.green {
  background: linear-gradient(135deg, #18a058, #0f172a);
}

.blue {
  background: linear-gradient(135deg, #2563eb, #0f172a);
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  color: #64748b;
  font-size: 12px;
  font-weight: 800;
}

.pill.live {
  border-color: rgba(24, 160, 88, 0.25);
  background: #eaf8f0;
  color: #147244;
}

.version {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.version span {
  color: var(--muted);
  font-size: 13px;
}

.detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  padding: 28px 0 72px;
}

.screen {
  overflow: hidden;
  min-height: 190px;
  background: #0f172a;
}

.screen span {
  display: block;
  padding: 14px;
  color: #e2e8f0;
  font-size: 14px;
  font-weight: 800;
}

.screen div {
  height: 132px;
  margin: 0 14px 14px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(8, 166, 199, 0.7), transparent 62%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.13) 0 1px, transparent 1px 18px);
}

.requirements {
  display: grid;
  gap: 10px;
  padding-left: 20px;
}

.info-card {
  align-self: start;
}

.info-card dl {
  display: grid;
  gap: 16px;
  margin: 18px 0 0;
}

.info-card dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.info-card dd {
  margin: 4px 0 0;
  color: var(--ink);
}

.download-list {
  display: grid;
  gap: 12px;
  padding: 28px 0 72px;
}

.download-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 18px;
  padding: 16px;
}

.download-row h2,
.admin-card h2 {
  font-size: 22px;
}

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  width: min(1180px, calc(100% - 32px));
  margin: 28px auto 0;
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
  color: #64748b;
}

.footer p {
  max-width: 520px;
  margin-top: 14px;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: #334155;
  font-weight: 700;
}

@media (max-width: 900px) {
  .header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

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

  .hero {
    min-height: auto;
    padding-top: 56px;
  }

  .features,
  .program-grid,
  .account-grid,
  .admin-grid,
  .support-grid,
  .gallery {
    grid-template-columns: 1fr;
  }

  .download-row {
    grid-template-columns: 58px minmax(0, 1fr);
  }

  .download-row .btn,
  .download-row > strong {
    grid-column: 2;
    justify-self: start;
  }
}

@media (max-width: 560px) {
  .shell,
  .header,
  .footer {
    width: min(100% - 20px, 1180px);
  }

  .nav a,
  .btn {
    padding: 9px 10px;
    font-size: 12px;
  }

  h1 {
    font-size: 44px;
  }

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