:root {
  --bg: #f5f7fb;
  --paper: #ffffff;
  --ink: #15202b;
  --muted: #5e6b78;
  --line: #d9e1ea;
  --blue: #116dcc;
  --green: #0f8f70;
  --yellow: #f3b43f;
  --shadow: 0 18px 55px rgba(21, 32, 43, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 6vw;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  font-size: 19px;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 15px;
  font-weight: 650;
}

.nav a {
  color: #2c3947;
}

.hero {
  position: relative;
  min-height: 76vh;
  display: grid;
  align-items: center;
  padding: 86px 6vw 118px;
  color: #ffffff;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(12, 25, 38, 0.88), rgba(12, 25, 38, 0.56) 48%, rgba(12, 25, 38, 0.2)),
    url("hero.png");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero-content {
  position: relative;
  width: min(760px, 100%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: #dbeaff;
  font-weight: 750;
  letter-spacing: 0;
}

.eyebrow::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(44px, 7vw, 92px);
}

.hero p {
  max-width: 650px;
  margin: 24px 0 0;
  color: #ecf4ff;
  font-size: 21px;
}

.hero-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  color: #ffffff;
  background: var(--blue);
}

.button:hover {
  text-decoration: none;
  filter: brightness(0.96);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.1);
}

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

.section {
  padding: 78px 6vw;
  background: var(--paper);
}

.section.alt {
  background: #eef3f8;
}

.section-header {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-header p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.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));
}

.feature {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.feature h3 {
  font-size: 20px;
}

.feature p {
  color: var(--muted);
  margin: 12px 0 0;
}

.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}

.media-row img {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
}

.step {
  position: relative;
  padding: 20px 20px 20px 62px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #ffffff;
  background: var(--blue);
  font-weight: 800;
}

.page-title {
  padding: 72px 6vw 48px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.page-title p {
  max-width: 860px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.content {
  max-width: 920px;
  padding: 56px 6vw 82px;
  margin: 0 auto;
}

.content h2 {
  margin-top: 34px;
  font-size: 25px;
}

.content h2:first-child {
  margin-top: 0;
}

.content p,
.content li {
  color: #344353;
}

.content ul,
.content ol {
  padding-left: 22px;
}

.content code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #e8eef5;
}

.note {
  padding: 18px 20px;
  border-left: 4px solid var(--yellow);
  background: #fff7df;
  border-radius: 8px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  padding: 32px 6vw;
  background: #111923;
  color: #d7e0ea;
}

.site-footer a {
  color: #ffffff;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero {
    min-height: 72vh;
    padding-top: 62px;
  }

  .hero p {
    font-size: 18px;
  }

  .grid.three,
  .grid.two,
  .media-row {
    grid-template-columns: 1fr;
  }

  .section,
  .content {
    padding-top: 54px;
    padding-bottom: 60px;
  }
}