:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #101827;
  --muted: #5b677a;
  --line: #d9e1ec;
  --navy: #0b1728;
  --navy-2: #13243a;
  --cyan: #16b6d9;
  --orange: #f28c28;
  --radius: 8px;
  --shadow: 0 20px 50px rgba(10, 23, 40, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(11, 23, 40, 0.96);
  color: #fff;
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(22, 182, 217, 0.45);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(22, 182, 217, 0.22), rgba(242, 140, 40, 0.18));
}

.brand-mark::before {
  width: 16px;
  height: 16px;
  border: 3px solid var(--cyan);
  border-left-color: transparent;
  border-radius: 999px;
  content: "";
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.nav a {
  border-radius: 8px;
  padding: 9px 11px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8, 18, 32, 0.94), rgba(8, 18, 32, 0.72), rgba(8, 18, 32, 0.58)),
    url("/workbench-signal.svg"),
    linear-gradient(135deg, #0b1728, #17324e);
  background-position: center;
  background-size: cover;
}

.hero-content {
  max-width: 760px;
  padding: 76px 0 118px;
}

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

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 7vw, 76px);
  line-height: 0.96;
}

h2 {
  margin-bottom: 14px;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.05;
}

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

.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.82);
  font-size: 21px;
}

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

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 18px;
  background: var(--cyan);
  color: #06111d;
  font-weight: 800;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.button.light {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.section {
  padding: 82px 0;
}

.section.dark {
  background: var(--navy);
  color: #fff;
}

.section.dark h2,
.section.dark h3 {
  color: #fff;
}

.section.dark .lead,
.section.dark p {
  color: rgba(255, 255, 255, 0.72);
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px;
  box-shadow: 0 8px 26px rgba(12, 28, 48, 0.05);
}

.dark .card {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
}

.card p,
.list li {
  color: var(--muted);
  line-height: 1.6;
}

.dark .card p,
.dark .list li {
  color: rgba(255, 255, 255, 0.72);
}

.list {
  display: grid;
  gap: 10px;
  padding-left: 19px;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 28px;
  box-shadow: var(--shadow);
}

.form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid #cfd8e5;
  border-radius: 8px;
  background: #fff;
  padding: 11px 12px;
  color: var(--ink);
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.error {
  color: #b42318;
  font-size: 13px;
}

.success {
  border: 1px solid #a6d8bd;
  border-radius: 8px;
  background: #edf9f1;
  padding: 12px;
  color: #15562d;
}

.notice {
  border-left: 4px solid var(--orange);
  background: #fff8ef;
  padding: 14px 16px;
  color: #5a3713;
}

.footer {
  background: #08111f;
  color: rgba(255, 255, 255, 0.76);
  padding: 44px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 28px;
}

.footer a {
  color: #fff;
}

.legal {
  max-width: 860px;
}

.legal h2 {
  margin-top: 28px;
  font-size: 26px;
}

@media (max-width: 860px) {
  .header-inner,
  .nav {
    justify-content: flex-start;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 64px 0 92px;
  }

  .grid.three,
  .grid.two,
  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}