:root {
  color-scheme: light dark;
  --primary: #3b82f6;
  --accent: #8b5cf6;
  --background: #f8fafc;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --ink: #0f172a;
  --muted: #526078;
  --line: rgba(15, 23, 42, 0.08);
  --shadow: 0 20px 60px rgba(37, 71, 145, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(59, 130, 246, 0.16), transparent 28rem),
    radial-gradient(circle at 92% 12%, rgba(139, 92, 246, 0.12), transparent 26rem),
    var(--background);
  color: var(--ink);
  font: 1rem/1.72 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--primary);
  font-weight: 550;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.22em;
}

a:hover { color: var(--accent); }

a:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
  border-radius: 6px;
}

header,
main,
footer {
  width: min(100% - 2rem, 50rem);
  margin-inline: auto;
}

header {
  position: sticky;
  top: 1rem;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 0.7rem 0.8rem 0.7rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(37, 71, 145, 0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand:hover { color: var(--ink); }

.brand img {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.25);
}

nav { display: flex; gap: 0.25rem; }

nav a {
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

nav a:hover {
  color: var(--ink);
  background: rgba(59, 130, 246, 0.08);
}

nav a[aria-current="page"] {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 5px 14px rgba(59, 130, 246, 0.22);
}

main {
  margin-top: 2rem;
  margin-bottom: 2rem;
  padding: clamp(1.4rem, 5vw, 3.5rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

h1 {
  max-width: 13ch;
  margin: 0.4rem 0 1.15rem;
  font-size: clamp(2.35rem, 8vw, 4rem);
  font-weight: 650;
  line-height: 1.04;
  letter-spacing: -0.055em;
}

h2 {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 2.6rem 0 0.65rem;
  font-size: 1.22rem;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

h2::before {
  width: 0.52rem;
  height: 0.52rem;
  flex: 0 0 auto;
  content: "";
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(59, 130, 246, 0.09);
}

p { margin: 0.75rem 0; }

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.meta,
.lead { color: var(--muted); }
.meta { font-size: 0.9rem; }

.lead {
  max-width: 38rem;
  font-size: 1.12rem;
}

.contact {
  margin: 2rem 0;
  padding: 1.4rem 1.5rem;
  overflow: hidden;
  background:
    linear-gradient(var(--surface-strong), var(--surface-strong)) padding-box,
    linear-gradient(135deg, var(--primary), var(--accent)) border-box;
  border: 1px solid transparent;
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.1);
}

.contact h2::before { display: none; }

.contact a {
  font-size: 1.08rem;
  font-weight: 650;
  overflow-wrap: anywhere;
}

li { margin: 0.4rem 0; }

footer {
  padding: 0.5rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.skip {
  position: fixed;
  top: -6rem;
  left: 1rem;
  z-index: 10;
  padding: 0.7rem 1rem;
  background: var(--surface-strong);
  border-radius: 10px;
}

.skip:focus { top: 1rem; }

@media (prefers-color-scheme: dark) {
  :root {
    --background: #020617;
    --surface: rgba(15, 23, 42, 0.76);
    --surface-strong: #0f172a;
    --ink: #f8fafc;
    --muted: #a8b4c8;
    --line: rgba(255, 255, 255, 0.1);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  }

  body {
    background:
      radial-gradient(circle at 8% 0%, rgba(59, 130, 246, 0.22), transparent 30rem),
      radial-gradient(circle at 92% 12%, rgba(139, 92, 246, 0.18), transparent 28rem),
      var(--background);
  }
}

@media (max-width: 480px) {
  header { top: 0.5rem; margin-top: 0.5rem; }
  .brand span { display: none; }

  main {
    margin-top: 1rem;
    padding: 1.4rem 1.15rem 2rem;
    border-radius: 20px;
  }

  h1 { font-size: clamp(2.25rem, 13vw, 3rem); }
  h2 { margin-top: 2.2rem; }
  .contact { padding: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}