/* Tailwind directives via CDN or compiled locally, falling back to vanilla CSS setup for safety based on the brief.
   The user specified flat colors, no animations except smooth scroll, clear structure. */

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

:root {
  --navy: #0a0a0a;
  --slate: #94a3b8;
  --white: #e2e8f0;
  --violet: #8b5cf6;
  --muted: #64748b;
  --dim: #475569;
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Inter', sans-serif;
  background-color: var(--navy);
  color: var(--slate);
  line-height: 1.5;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--violet);
  color: var(--white);
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Base utility classes manually injected to match the Tailwind classes used in HTML */
.bg-navy { background-color: var(--navy); }
.text-slate { color: var(--slate); }
.text-white { color: var(--white); }
.text-violet { color: var(--violet); }
.text-muted { color: var(--muted); }
.text-dim { color: var(--dim); }
.bg-violet { background-color: var(--violet); }

.min-h-screen { min-height: 100vh; }
.max-w-screen-xl { max-width: 1280px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }

@media (min-width: 768px) {
  .md\:px-12 { padding-left: 3rem; padding-right: 3rem; }
  .md\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
}

@media (min-width: 1024px) {
  .lg\:px-24 { padding-left: 6rem; padding-right: 6rem; }
  .lg\:py-0 { padding-top: 0; padding-bottom: 0; }
  .lg\:flex { display: flex; }
  .lg\:justify-between { justify-content: space-between; }
  .lg\:gap-4 { gap: 1rem; }
  .lg\:sticky { position: sticky; }
  .lg\:top-0 { top: 0; }
  .lg\:max-h-screen { max-height: 100vh; }
  .lg\:w-\[48\%\] { width: 48%; }
  .lg\:w-\[52\%\] { width: 52%; }
  .lg\:flex-col { flex-direction: column; }
  .lg\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
  .lg\:block { display: block; }
  .lg\:sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0; }
  .lg\:opacity-0 { opacity: 0; }
}

.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.sm\:text-5xl { font-size: 3rem; line-height: 1; }
.font-bold { font-weight: 700; }
.tracking-tight { letter-spacing: -0.025em; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.sm\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.font-medium { font-weight: 500; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.max-w-xs { max-width: 20rem; }
.leading-normal { line-height: 1.5; }

.hidden { display: none; }
.mt-16 { margin-top: 4rem; }
.w-max { width: max-content; }
.flex { display: flex; }
.items-center { align-items: center; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.mr-4 { margin-right: 1rem; }
.h-px { height: 1px; }
.w-8 { width: 2rem; }
.bg-slate { background-color: var(--slate); }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.uppercase { text-transform: uppercase; }
.tracking-widest { letter-spacing: 0.1em; }

/* Nav interactions */
.nav-indicator {
  transition: width 0.2s ease, background-color 0.2s ease;
}
.nav-text {
  transition: color 0.2s ease;
}
.group:hover .nav-indicator, .group.active .nav-indicator {
  width: 4rem;
  background-color: var(--white);
}
.group:hover .nav-text, .group.active .nav-text {
  color: var(--white);
}

.ml-1 { margin-left: 0.25rem; }
.mt-8 { margin-top: 2rem; }
.gap-5 { gap: 1.25rem; }
.shrink-0 { flex-shrink: 0; }
.block { display: block; }
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.h-6 { height: 1.5rem; }
.w-6 { width: 1.5rem; }
.hover\:text-white:hover { color: var(--white); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0; }

.pt-24 { padding-top: 6rem; }
.mb-16 { margin-bottom: 4rem; }
.scroll-mt-16 { scroll-margin-top: 4rem; }
@media (min-width: 768px) {
  .md\:mb-24 { margin-bottom: 6rem; }
}
@media (min-width: 1024px) {
  .lg\:mb-36 { margin-bottom: 9rem; }
  .lg\:scroll-mt-24 { scroll-margin-top: 6rem; }
}

.sticky { position: sticky; }
.z-20 { z-index: 20; }
.-mx-6 { margin-left: -1.5rem; margin-right: -1.5rem; }
.mb-4 { margin-bottom: 1rem; }
.w-screen { width: 100vw; }
.bg-navy\/75 { background-color: rgba(10, 10, 10, 0.75); }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.backdrop-blur { backdrop-filter: blur(8px); }

.text-base { font-size: 1rem; line-height: 1.5rem; }
.leading-relaxed { line-height: 1.625; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-12 > :not([hidden]) ~ :not([hidden]) { margin-top: 3rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }

.relative { position: relative; }
.flex-col { flex-direction: column; }
@media (min-width: 640px) {
  .sm\:flex-row { flex-direction: row; }
  .sm\:w-1\/4 { width: 25%; }
  .sm\:w-3\/4 { width: 75%; }
  .sm\:pb-0 { padding-bottom: 0; }
}
.gap-4 { gap: 1rem; }
.z-10 { z-index: 10; }
.mt-1 { margin-top: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.font-semibold { font-weight: 600; }
.tracking-wide { letter-spacing: 0.025em; }
.leading-snug { line-height: 1.375; }

.border { border-width: 1px; }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); border-style: solid; }
.rounded-lg { border-radius: 0.5rem; }
.p-6 { padding: 1.5rem; }
.hover\:bg-white\/\[0\.02\]:hover { background-color: rgba(255, 255, 255, 0.02); }

.inline-flex { display: inline-flex; }
.items-baseline { align-items: baseline; }
.leading-tight { line-height: 1.25; }
.hover\:text-violet:hover { color: var(--violet); }
.focus-visible\:text-violet:focus-visible { color: var(--violet); }
.inline-block { display: inline-block; }
.h-4 { height: 1rem; }
.w-4 { width: 1rem; }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.ml-1 { margin-left: 0.25rem; }
.translate-y-px { transform: translateY(1px); }
.group:hover .group-hover\/link\:-translate-y-1 { transform: translateY(-0.25rem); }
.group:hover .group-hover\/link\:translate-x-1 { transform: translateX(0.25rem) translateY(-0.25rem); }

.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.mt-2 { margin-top: 0.5rem; }
.flex-wrap { flex-wrap: wrap; }
.mr-1\.5 { margin-right: 0.375rem; }
.rounded-full { border-radius: 9999px; }
.bg-violet\/10 { background-color: rgba(139, 92, 246, 0.1); }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.leading-5 { line-height: 1.25rem; }

.max-w-md { max-width: 28rem; }
.pb-16 { padding-bottom: 4rem; }

.font-normal { font-weight: 400; }