:root {
  --bg: #08090a;
  --bg-elevated: #0f1011;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.12);
  --text: #f7f8f8;
  --text-muted: rgba(255, 255, 255, 0.58);
  --text-subtle: rgba(255, 255, 255, 0.38);
  --accent: #8b8bf5;
  --max-width: 640px;
  --page-width: 1080px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(
      ellipse 80% 50% at 50% -20%,
      rgba(139, 139, 245, 0.14),
      transparent
    ),
    radial-gradient(
      ellipse 60% 40% at 100% 0%,
      rgba(255, 255, 255, 0.03),
      transparent
    );
  color: var(--text);
  line-height: 1.6;
}

::selection {
  background: rgba(139, 139, 245, 0.35);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

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

a.link {
  color: var(--accent);
}

a.link:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  background: var(--text);
  color: var(--bg);
  border-radius: 6px;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 9, 10, 0.88);
  backdrop-filter: blur(16px);
}

.header-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 0.875rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
  white-space: nowrap;
}

.logo img {
  width: 22px;
  height: 22px;
  display: block;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

nav a {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0.25rem 0;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text);
}

main {
  flex: 1;
}

.hero {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 5.5rem 1.5rem 3.5rem;
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 16ch;
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.hero .lead {
  margin: 0;
  max-width: 44ch;
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text);
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    transform 0.15s ease;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: transparent;
}

.btn-primary:hover {
  background: rgba(247, 248, 248, 0.92);
  color: var(--bg);
}

.features {
  width: min(var(--page-width), 100% - 3rem);
  margin: 0 auto 5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.feature {
  padding: 1.75rem 1.5rem;
  background: rgba(15, 16, 17, 0.65);
}

.feature h2 {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
}

.feature p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.page {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
}

.page-header {
  max-width: var(--max-width);
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  margin: 0 0 0.625rem;
  font-size: clamp(1.875rem, 4vw, 2.375rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.page-header p {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--text-muted);
}

.content {
  max-width: var(--max-width);
}

.content p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
}

.content p:last-child {
  margin-bottom: 0;
}

.content h2 {
  margin: 2.25rem 0 0.75rem;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.02em;
}

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

.content ul {
  margin: 0 0 1.25rem;
  padding-left: 1.125rem;
  color: var(--text-muted);
}

.content li {
  margin-bottom: 0.625rem;
  padding-left: 0.25rem;
}

.content li::marker {
  color: var(--text-subtle);
}

.contact-card {
  margin-top: 1.75rem;
  padding: 1.375rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.035) 0%,
    rgba(255, 255, 255, 0.01) 100%
  );
  transition: border-color 0.15s ease;
}

.contact-card:hover {
  border-color: var(--border-strong);
}

.contact-card .label {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.contact-card .email {
  display: inline-block;
  margin-top: 0.375rem;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text);
}

.content p.content-note {
  margin-top: 2rem;
  font-size: 0.875rem;
  color: var(--text-subtle);
}

.page-header p.meta {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-subtle);
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: auto;
  background: rgba(8, 9, 10, 0.6);
}

.footer-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-inner p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.footer-links a:hover {
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  nav {
    gap: 1rem;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}