@import url("https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;500;600;700&display=swap");

:root {
  --bg: #fbfbfa;
  --ink: #2c2a26;
  --ink-2: #5f5b53;
  --ink-3: #8d887e;
  --line: #e9e7e2;
  --line-2: #f0eeea;
  --accent: #3a63d6;
  --accent-soft: #eef2fc;
  --green: #2e9460;
  --orange: #cf7a2c;
  --purple: #7a52cf;
  --mark: #fbe6a4;
  --card: #ffffff;
  --max: 880px;
  --radius: 14px;
  --shadow: 0 18px 44px -28px rgba(44, 42, 38, 0.28);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.nav,
nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(251, 251, 250, 0.85);
  border-bottom: 1px solid var(--line-2);
}

.nav-inner,
.nav-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.logo-ic {
  width: 20px;
  height: 20px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  min-width: 0;
  font-size: 14.5px;
  color: var(--ink-2);
}

.nav-links a {
  text-decoration: none;
}

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

.nav-links a.btn:hover {
  color: #fff;
}

.nav-links a.current {
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 0;
  border-radius: 9px;
  padding: 8px 15px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn:hover {
  background: #2d52bd;
  color: #fff;
}

.btn:active {
  transform: translateY(1px);
}

.btn-ghost,
.btn.ghost {
  background: transparent;
  color: var(--ink-2);
  border-color: var(--line);
  border-style: solid;
  border-width: 1px;
}

.btn-ghost:hover,
.btn.ghost:hover {
  background: #fff;
  color: var(--ink);
}

h1,
h2,
h3 {
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(36px, 6vw, 54px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(27px, 4vw, 36px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h3 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 7px;
}

p {
  margin: 0 0 14px;
}

code {
  padding: 0.08rem 0.32rem;
  border-radius: 0.35rem;
  background: var(--line-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  color: var(--ink);
}

footer {
  padding: 56px 0 48px;
  border-top: 1px solid var(--line-2);
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 28px;
}

footer h5 {
  margin: 0 0 12px;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
}

footer p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
  max-width: 220px;
}

footer a {
  display: block;
  margin-top: 0;
  margin-bottom: 9px;
  font-size: 14px;
  color: var(--ink-2);
  text-decoration: none;
}

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

footer .logo {
  display: flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
  color: var(--ink);
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.foot-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line-2);
  color: var(--ink-3);
  font-size: 13px;
}

.page-hero {
  padding: 60px 0 32px;
}

.page-lead {
  max-width: 600px;
  margin: 0;
  color: var(--ink-2);
  font-size: 19px;
}

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

.page-section {
  padding: 48px 0 80px;
  border-top: 1px solid var(--line-2);
}

.page-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.page-card p,
.page-body p,
.page-body li {
  color: var(--ink-2);
}

.page-body {
  display: grid;
  gap: 28px;
}

.bullet-list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.bullet-list li {
  position: relative;
  padding-left: 18px;
  font-size: 16px;
}

.bullet-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--accent);
}

.callout {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fcfbf9;
}

.callout strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-weight: 500;
}

@media (max-width: 720px) {
  .nav-inner,
  .nav-in,
  .foot-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links a:not(.current):not(.btn) {
    display: none;
  }

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

  .page-hero {
    padding: 42px 0 28px;
  }

  .page-lead {
    font-size: 17px;
  }

  .page-section {
    padding: 36px 0 60px;
  }

  h1 {
    font-size: clamp(32px, 10vw, 44px);
  }

  h2 {
    font-size: clamp(24px, 7vw, 32px);
  }
}