:root {
  --bg: #eef2fb;
  --bg-soft: #f8faff;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-accent: linear-gradient(160deg, rgba(47, 92, 255, 0.96), rgba(67, 126, 255, 0.9));
  --text: #12203a;
  --text-soft: #5e6b86;
  --line: rgba(18, 32, 58, 0.1);
  --accent: #2f5cff;
  --accent-deep: #1837ac;
  --accent-soft: rgba(47, 92, 255, 0.12);
  --shadow: 0 26px 70px rgba(18, 32, 58, 0.11);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --content-width: 1180px;
  --font-display: "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", "Menlo", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(47, 92, 255, 0.16), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(163, 189, 255, 0.36), transparent 24%),
    linear-gradient(180deg, #f7f9fe 0%, #eef2fb 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(47, 92, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 92, 255, 0.045) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 94%);
}

a {
  color: inherit;
}

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

.site-shell {
  position: relative;
  overflow: hidden;
}

.site-shell::after {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: 460px;
  height: 460px;
  transform: translate(26%, -18%);
  background: radial-gradient(circle, rgba(47, 92, 255, 0.12), transparent 62%);
  pointer-events: none;
}

.container {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(248, 250, 255, 0.76);
  border-bottom: 1px solid var(--line);
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 14px 28px rgba(47, 92, 255, 0.14);
}

.brand-copy {
  display: grid;
  gap: 0.15rem;
}

.brand-copy strong {
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: 0.01em;
}

.brand-copy span {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  padding: 0.65rem 1rem;
  font: inherit;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.topnav a {
  text-decoration: none;
  color: var(--text-soft);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.topnav a:hover,
.topnav a[aria-current="page"] {
  color: var(--accent-deep);
  background: rgba(47, 92, 255, 0.1);
  transform: translateY(-1px);
}

.hero {
  padding: 4rem 0 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 2rem;
  align-items: center;
}

.hero-copy,
.hero-visual,
.page-hero,
.content-card,
.footer-card {
  position: relative;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-copy,
.page-hero {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(247, 249, 255, 0.9));
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  padding: 0.45rem 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  font-weight: 700;
}

.hero h1,
.page-hero h1,
.markdown h1,
.markdown h2,
.markdown h3 {
  font-family: var(--font-display);
  line-height: 1.04;
  color: var(--text);
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 4.6rem);
  margin: 1rem 0 1rem;
  max-width: 11ch;
}

.hero p.lead,
.page-hero p.lead {
  font-size: 1.08rem;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 40rem;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button {
  background: var(--surface-accent);
  color: #ffffff;
  box-shadow: 0 18px 40px rgba(47, 92, 255, 0.24);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--accent-deep);
  border: 1px solid rgba(47, 92, 255, 0.14);
}

.button:hover,
.button-secondary:hover {
  transform: translateY(-1px);
}

.hero-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.8rem;
}

.feature-card,
.gallery-card,
.content-card,
.footer-card,
.hero-visual {
  background: var(--surface);
  border-radius: var(--radius-lg);
}

.feature-card {
  padding: 1rem;
}

.feature-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
  font-size: 0.95rem;
}

.hero-visual {
  padding: 0.85rem;
}

.hero-visual img {
  width: min(100%, 300px);
  margin: 0 auto;
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(18, 32, 58, 0.14);
}

.hero-visual figcaption,
.gallery-card figcaption {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.5;
}

.hero-visual figcaption {
  padding: 1rem 0.4rem 0.2rem;
  text-align: center;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
  margin-top: 1.3rem;
}

.gallery-card {
  padding: 0.85rem;
  max-width: 240px;
  margin: 0 auto;
}

.gallery-card img {
  width: 100%;
  max-height: 360px;
  aspect-ratio: 0.56 / 1;
  object-fit: contain;
  border-radius: 18px;
  background: var(--bg-soft);
}

.gallery-card figcaption {
  padding: 0.9rem 0.1rem 0;
}

.section,
.page {
  padding: 1rem 0 2rem;
}

.page-grid {
  display: grid;
  gap: 1.4rem;
}

.content-card {
  padding: 1.7rem;
}

.markdown {
  color: var(--text-soft);
  line-height: 1.8;
  font-size: 1rem;
}

.markdown > *:first-child {
  margin-top: 0;
}

.markdown h2,
.markdown h3 {
  color: var(--text);
  margin-top: 2rem;
  margin-bottom: 0.8rem;
}

.markdown p,
.markdown ul,
.markdown ol,
.markdown blockquote {
  margin: 0 0 1rem;
}

.markdown ul,
.markdown ol {
  padding-left: 1.25rem;
}

.markdown li {
  margin-bottom: 0.5rem;
}

.markdown code {
  font-family: var(--font-mono);
  background: rgba(47, 92, 255, 0.08);
  color: var(--accent-deep);
  border-radius: 8px;
  padding: 0.1rem 0.4rem;
}

.markdown pre {
  overflow: auto;
  background: #10203c;
  color: #f6f8ff;
  border-radius: 18px;
  padding: 1rem;
}

.markdown pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.markdown img,
.markdown figure img {
  width: min(100%, 360px);
  margin: 0 auto;
  border-radius: 20px;
  border: 1px solid rgba(18, 32, 58, 0.08);
  box-shadow: 0 18px 44px rgba(18, 32, 58, 0.12);
}

.markdown figure {
  max-width: 400px;
  margin: 1.4rem auto;
}

.markdown figcaption {
  color: var(--text-soft);
  font-size: 0.9rem;
  margin-top: 0.7rem;
}

.markdown blockquote {
  border-left: 4px solid rgba(47, 92, 255, 0.24);
  padding-left: 1rem;
  color: var(--text);
}

.site-footer {
  padding: 0 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.footer-card {
  padding: 1.4rem;
}

.footer-card h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  color: var(--text);
}

.footer-card p,
.footer-card li,
.footer-note {
  color: var(--text-soft);
  line-height: 1.7;
}

.footer-card ul {
  margin: 0;
  padding-left: 1.2rem;
}

.footer-note {
  text-align: center;
  margin: 1rem 0 0;
}

@media (max-width: 980px) {
  .hero-grid,
  .hero-card-grid,
  .gallery-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero h1,
  .page-hero h1 {
    max-width: none;
  }

  .hero-visual img {
    width: min(100%, 260px);
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 1rem), var(--content-width));
  }

  .topbar .container {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .topnav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 0.5rem;
  }

  .topbar[data-open="true"] .topnav {
    display: flex;
  }

  .topnav a {
    background: rgba(255, 255, 255, 0.72);
  }

  .hero-copy,
  .page-hero,
  .content-card,
  .footer-card,
  .hero-visual,
  .gallery-card {
    border-radius: 20px;
  }

  .hero-copy,
  .page-hero,
  .content-card {
    padding: 1.35rem;
  }
}