:root {
  --ink: #17231f;
  --muted: #5b6862;
  --line: #d9e0dc;
  --paper: #fbfaf7;
  --white: #ffffff;
  --pine: #1d4c45;
  --pine-dark: #123631;
  --amber: #f1b84b;
  --sky: #d9edf1;
  --rose: #f0c6b6;
  --violet: #6d5dfc;
  --cyan: #5dd4d8;
  --night: #101818;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

a {
  color: inherit;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand,
nav,
.site-footer {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--pine);
  color: var(--white);
  font-size: 13px;
}

nav a,
.site-footer a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.hero {
  max-width: 1160px;
  min-height: 620px;
  margin: 0 auto;
  padding: 72px 24px 48px;
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(360px, 1.04fr);
  gap: 44px;
  align-items: center;
}

.hero-home {
  background:
    linear-gradient(120deg, rgba(217, 237, 241, 0.92), rgba(251, 250, 247, 0.72)),
    radial-gradient(circle at 84% 20%, var(--rose) 0 18%, transparent 19%),
    linear-gradient(135deg, #f8f0dd, #e7f2ee);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-mzen {
  background:
    radial-gradient(circle at 78% 20%, rgba(93, 212, 216, 0.35), transparent 24%),
    radial-gradient(circle at 16% 84%, rgba(109, 93, 252, 0.18), transparent 26%),
    linear-gradient(135deg, #101818, #17342f 52%, #fbfaf7 52%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.developer-hero {
  position: relative;
  overflow: hidden;
}

.developer-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, black, transparent 62%);
}

.developer-hero .hero-copy {
  position: relative;
  z-index: 1;
}

.developer-hero .hero-copy h1,
.developer-hero .hero-copy .lede {
  color: var(--white);
}

.developer-hero .eyebrow {
  color: var(--cyan);
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--pine);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: 64px;
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 38px;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

p,
li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.lede {
  max-width: 620px;
  font-size: 20px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
}

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

.button.secondary {
  border: 1px solid rgba(23, 35, 31, 0.24);
  background: rgba(255, 255, 255, 0.64);
}

.product-preview {
  border: 1px solid rgba(18, 54, 49, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 28px 70px rgba(18, 54, 49, 0.16);
  padding: 18px;
}

.mzen-panel {
  border: 1px solid rgba(18, 54, 49, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 28px 70px rgba(18, 54, 49, 0.16);
  padding: 28px;
}

.mzen-panel a {
  color: var(--pine);
  font-weight: 800;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 34px;
}

.metric-strip div {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(16, 24, 24, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 16px 38px rgba(16, 24, 24, 0.22);
  padding: 14px;
  backdrop-filter: blur(14px);
}

.metric-strip strong,
.metric-strip span {
  display: block;
}

.metric-strip strong {
  margin-bottom: 4px;
  color: var(--white);
  font-size: 22px;
}

.metric-strip span {
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.developer-stage {
  position: relative;
  min-height: 460px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 8px;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 20%, rgba(93, 212, 216, 0.28), transparent 22%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(238, 245, 242, 0.74));
  box-shadow: 0 34px 90px rgba(16, 24, 24, 0.24);
}

.stage-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 54, 49, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 54, 49, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}

.code-card,
.system-card {
  position: absolute;
  border: 1px solid rgba(18, 54, 49, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 22px 50px rgba(18, 54, 49, 0.14);
  backdrop-filter: blur(14px);
}

.code-card {
  width: 230px;
  padding: 14px;
}

.code-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--pine);
  font-size: 12px;
  font-weight: 800;
}

.code-card code {
  color: var(--night);
  font-size: 13px;
}

.card-a {
  top: 42px;
  left: 34px;
}

.card-b {
  right: 28px;
  bottom: 44px;
}

.orbit-ring {
  position: absolute;
  width: 260px;
  height: 260px;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(109, 93, 252, 0.32);
  border-radius: 999px;
  transform: translate(-50%, -50%);
}

.orbit-ring::before,
.orbit-ring::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--violet);
  box-shadow: 0 0 34px rgba(109, 93, 252, 0.72);
}

.orbit-ring::before {
  top: 26px;
  right: 38px;
}

.orbit-ring::after {
  left: 34px;
  bottom: 28px;
  background: var(--cyan);
}

.system-card {
  left: 50%;
  top: 50%;
  width: min(300px, calc(100% - 42px));
  padding: 22px;
  transform: translate(-50%, -50%);
}

.system-card-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--pine-dark);
  font-weight: 800;
}

.signal-bars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 20px 0;
}

.signal-bars i {
  display: block;
  height: 76px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--cyan), var(--pine));
}

.signal-bars i:nth-child(2) {
  margin-top: 18px;
}

.signal-bars i:nth-child(3) {
  margin-top: 8px;
}

.signal-bars i:nth-child(4) {
  margin-top: 28px;
}

.developer-section {
  background: var(--paper);
}

.developer-card {
  min-height: 190px;
}

.product-callout {
  background:
    radial-gradient(circle at 86% 20%, rgba(241, 184, 75, 0.2), transparent 24%),
    var(--white);
}

.product-tile {
  align-self: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #143d37;
  color: var(--white);
  padding: 28px;
}

.product-tile h3,
.product-tile p {
  color: var(--white);
}

.preview-topbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--pine-dark);
  font-weight: 800;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.preview-panel,
.feature-card,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.preview-panel {
  min-height: 156px;
  padding: 14px;
}

.preview-panel.accent {
  background: #143d37;
}

.preview-panel.accent p,
.preview-panel.accent .panel-label {
  color: var(--white);
}

.panel-label {
  display: block;
  margin-bottom: 12px;
  color: var(--pine);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.preview-row,
.preview-task {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  padding: 8px;
  border-radius: 6px;
  background: #eef5f2;
  font-size: 14px;
}

.preview-row.done,
.preview-task.checked {
  background: #fff2cf;
}

.meter {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8eee9;
}

.meter span {
  display: block;
  height: 100%;
  background: var(--amber);
}

.section-band,
.split-section,
.document {
  max-width: 1160px;
  margin: 0 auto;
  padding: 76px 24px;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 26px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  padding: 22px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 0.8fr);
  gap: 40px;
  border-top: 1px solid var(--line);
}

.checklist {
  display: grid;
  gap: 10px;
  align-self: start;
}

.checklist div {
  padding: 14px 16px;
  border-left: 5px solid var(--amber);
  border-radius: 8px;
  background: var(--white);
  font-weight: 800;
}

.document {
  max-width: 820px;
}

.document h1 {
  font-size: 52px;
}

.document h2 {
  margin-top: 38px;
  font-size: 28px;
}

.contact-panel {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 26px 0;
  padding: 18px;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 32px;
  }

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

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

  .developer-stage {
    min-height: 420px;
  }

  .hero-mzen {
    background:
      radial-gradient(circle at 80% 18%, rgba(93, 212, 216, 0.35), transparent 26%),
      linear-gradient(180deg, #101818, #17342f 62%, #fbfaf7 62%);
  }
}