:root {
  --ink: #f7f4ec;
  --muted: #c7c2b8;
  --bg: #080908;
  --panel: #151713;
  --panel-2: #22221b;
  --gold: #c9a961;
  --green: #35b66a;
  --line: #3b3525;
  --paper: #f4efe2;
  --paper-ink: #181711;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(8, 9, 8, 0.78);
  border-bottom: 1px solid rgba(201, 169, 97, 0.26);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--gold);
  color: #111;
  font-weight: 900;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 30px);
  color: var(--muted);
  font-size: 15px;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--ink);
}

.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: minmax(300px, 720px) minmax(220px, 1fr);
  gap: clamp(24px, 6vw, 88px);
  align-items: center;
  padding: 120px clamp(22px, 7vw, 96px) 80px;
  background:
    radial-gradient(circle at 78% 42%, rgba(201, 169, 97, 0.12), transparent 26%),
    linear-gradient(135deg, #050605, #11140f 48%, #050605);
  border-bottom: 1px solid rgba(201, 169, 97, 0.26);
  overflow: hidden;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 16px;
  font-size: clamp(68px, 10vw, 132px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1;
  letter-spacing: 0;
}

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

.lead {
  max-width: 620px;
  color: var(--ink);
  font-size: clamp(20px, 2.4vw, 30px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-signal {
  position: relative;
  min-height: 360px;
  opacity: 0.72;
}

.hero-signal::before,
.hero-signal::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  transform: translateY(-50%);
  border-top: 34px solid transparent;
  border-bottom: 34px solid transparent;
}

.hero-signal::before {
  left: 0;
  border-left: 0;
  border-right: 40px solid rgba(230, 230, 220, 0.52);
}

.hero-signal::after {
  right: 0;
  border-right: 0;
  border-left: 40px solid rgba(230, 230, 220, 0.52);
}

.hero-signal span {
  position: absolute;
  left: 8%;
  right: 8%;
  height: 1px;
  background: rgba(201, 169, 97, 0.32);
}

.hero-signal span:first-child {
  top: 50%;
}

.hero-signal span:last-child {
  top: calc(50% + 54px);
  opacity: 0.36;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(201, 169, 97, 0.52);
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: var(--green);
  border-color: var(--green);
  color: #031108;
}

.button.secondary {
  background: rgba(8, 9, 8, 0.42);
}

.button.disabled {
  color: var(--muted);
}

.band,
.showcase,
.download-band {
  padding: clamp(58px, 8vw, 110px) clamp(22px, 7vw, 96px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-grid article {
  min-height: 230px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-grid p,
.showcase p,
.download-band p,
.integration-layout p {
  color: var(--muted);
}

.showcase {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(320px, 1.14fr);
  align-items: center;
  gap: clamp(28px, 6vw, 76px);
  background: #000;
}

.showcase-text {
  max-width: 560px;
}

.monitor-frame {
  background: #050505;
  border: 1px solid rgba(201, 169, 97, 0.34);
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.monitor-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.light {
  background: var(--paper);
  color: var(--paper-ink);
}

.light .eyebrow {
  color: #8b6920;
}

.integration-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(280px, 1.1fr);
  gap: clamp(26px, 6vw, 72px);
}

.light p,
.integration-layout p {
  color: #504a3e;
}

code {
  padding: 2px 5px;
  background: rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 4px;
  font-size: 0.94em;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 16px 18px;
  background: #fffaf0;
  border: 1px solid #ded0ad;
  border-radius: 8px;
}

.download-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  background: var(--panel-2);
  border-top: 1px solid rgba(201, 169, 97, 0.24);
}

.download-band div {
  max-width: 760px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(22px, 7vw, 96px);
  color: var(--muted);
  border-top: 1px solid rgba(201, 169, 97, 0.2);
}

@media (max-width: 940px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: 84vh;
    grid-template-columns: 1fr;
    background:
      radial-gradient(circle at 50% 80%, rgba(201, 169, 97, 0.12), transparent 32%),
      linear-gradient(135deg, #050605, #11140f 48%, #050605);
  }

  .hero-signal {
    min-height: 140px;
  }

  .feature-grid,
  .showcase,
  .integration-layout {
    grid-template-columns: 1fr;
  }

  .feature-grid article {
    min-height: 0;
  }

  .download-band,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .hero-actions,
  .button {
    width: 100%;
  }
}