:root {
  --bg: #f7f4ef;
  --ink: #141414;
  --muted: #65625c;
  --line: rgba(20, 20, 20, 0.12);
  --accent: #2347ff;
  --accent-dark: #1024a8;
  --accent-soft: #e6ebff;
  --card: rgba(255, 255, 255, 0.78);
  --shadow: 0 24px 70px rgba(20, 20, 20, 0.1);
  --radius: 24px;
  --max: 1120px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: inherit; }

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
}

.orb-one {
  width: 420px;
  height: 420px;
  top: -120px;
  left: -80px;
  background: rgba(35, 71, 255, 0.22);
}

.orb-two {
  width: 360px;
  height: 360px;
  right: -60px;
  bottom: 10%;
  background: rgba(31, 143, 95, 0.14);
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20, 20, 20, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 20, 20, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
}

.wrap {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(247, 244, 239, 0.82);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-text strong {
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.brand-text em {
  font-size: 0.78rem;
  color: var(--muted);
  font-style: normal;
  font-weight: 650;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 720;
  text-decoration: none;
  transition: transform 220ms var(--ease), border-color 220ms ease, box-shadow 220ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(35, 71, 255, 0.24);
  box-shadow: 0 12px 30px rgba(35, 71, 255, 0.1);
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.7);
}

.hero {
  padding: 72px 0 80px;
}

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

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

.label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.hero h1 {
  margin: 18px 0 0;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.lead {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-note {
  margin-top: 28px;
  max-width: 720px;
  padding: 16px 18px;
  border: 1px solid rgba(35, 71, 255, 0.16);
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.94rem;
}

.info-card {
  margin-top: 32px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.info-card h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.url-example {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(35, 71, 255, 0.06);
  border: 1px solid rgba(35, 71, 255, 0.12);
}

.url-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 650;
}

.url-example code {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
  color: var(--accent-dark);
  word-break: break-all;
}

.url-example code strong {
  color: var(--accent);
}

.notice {
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(31, 143, 95, 0.2);
  background: rgba(31, 143, 95, 0.08);
  color: #166534;
  font-size: 0.92rem;
}

.notice strong {
  display: block;
  margin-bottom: 4px;
}

.section {
  padding: 56px 0 80px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 36px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner a {
  color: var(--accent);
  font-weight: 720;
  text-decoration: none;
}

[data-animate] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 680px) {
  .wrap { width: min(100% - 28px, var(--max)); }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
}