@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Sora:wght@500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --bg-primary: #06070d;
  --bg-secondary: #0c0f18;
  --bg-tertiary: #121728;
  --bg-card: rgba(20, 25, 42, 0.72);
  --bg-card-strong: rgba(15, 19, 34, 0.9);
  --bg-card-hover: rgba(27, 33, 56, 0.88);
  --text-primary: #f5f8ff;
  --text-secondary: #aab3d4;
  --text-muted: #727b9c;
  --accent-cyan: #00e5ff;
  --accent-violet: #7c3aed;
  --accent-pink: #ff4ecd;
  --accent-amber: #ffba45;
  --accent-green: #19d090;
  --accent-red: #ff5c7a;
  --ring-cyan: rgba(0, 229, 255, 0.32);
  --ring-violet: rgba(124, 58, 237, 0.36);
  --border-subtle: rgba(170, 186, 255, 0.18);
  --border-soft: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(0, 229, 255, 0.42);
  --gradient-hero: linear-gradient(118deg, #7c3aed 0%, #00e5ff 42%, #ff4ecd 74%, #ffba45 100%);
  --gradient-surface: linear-gradient(180deg, rgba(24, 30, 49, 0.92), rgba(13, 16, 30, 0.94));
  --glow-cyan: 0 0 26px rgba(0, 229, 255, 0.32);
  --glow-violet: 0 0 28px rgba(124, 58, 237, 0.34);
  --shadow-soft: 0 16px 40px rgba(2, 4, 14, 0.55);
  --shadow-strong: 0 28px 70px rgba(0, 0, 0, 0.62);
  --radius-xl: 26px;
  --radius-lg: 18px;
  --radius-md: 13px;
  --radius-sm: 10px;
  --container: min(1280px, calc(100% - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-primary);
  font-family: 'Outfit', system-ui, sans-serif;
  line-height: 1.56;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(circle at 12% -10%, rgba(124, 58, 237, 0.34), transparent 42%),
    radial-gradient(circle at 90% 6%, rgba(0, 229, 255, 0.2), transparent 34%),
    radial-gradient(circle at 88% 88%, rgba(255, 78, 205, 0.17), transparent 34%),
    radial-gradient(circle at 12% 88%, rgba(255, 186, 69, 0.14), transparent 32%),
    linear-gradient(180deg, #05060a 0%, #070910 34%, #090d19 100%);
}

body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background-image:
    linear-gradient(rgba(146, 168, 248, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(146, 168, 248, 0.12) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at 50% 16%, rgba(0, 0, 0, 0.94), transparent 80%);
}

body::after {
  background:
    radial-gradient(40% 34% at 12% 24%, rgba(124, 58, 237, 0.2), transparent 76%),
    radial-gradient(28% 26% at 78% 74%, rgba(0, 229, 255, 0.16), transparent 74%),
    radial-gradient(22% 20% at 84% 28%, rgba(255, 78, 205, 0.14), transparent 72%),
    radial-gradient(20% 18% at 24% 82%, rgba(255, 186, 69, 0.12), transparent 72%);
  filter: blur(24px);
  opacity: 0.86;
  animation: atmosphere-drift 20s ease-in-out infinite alternate;
}

a {
  color: inherit;
}

main {
  width: var(--container);
  margin: 0 auto;
  padding: 1.25rem 0 3.5rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: 'Sora', sans-serif;
  letter-spacing: -0.03em;
  line-height: 1.07;
}

p {
  margin: 0;
}

code,
pre,
.mono {
  font-family: 'JetBrains Mono', monospace;
}

.section-title {
  font-size: clamp(1.9rem, 3vw, 3.1rem);
  margin-bottom: 0.58rem;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 74ch;
  font-size: 1rem;
}

.page-intro {
  display: grid;
  gap: 0.52rem;
  margin-bottom: 0.9rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.hidden {
  display: none !important;
}

.subtle {
  color: var(--text-secondary);
}

.center {
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  animation: reveal-up 620ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.delay-1 {
  animation-delay: 130ms;
}

.delay-2 {
  animation-delay: 240ms;
}

.delay-3 {
  animation-delay: 340ms;
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes atmosphere-drift {
  0% {
    transform: translate3d(-1.8%, -1.2%, 0) scale(1);
  }

  100% {
    transform: translate3d(2.1%, 1.8%, 0) scale(1.08);
  }
}

@media (max-width: 780px) {
  main {
    width: min(100%, calc(100% - 1rem));
    padding-top: 0.9rem;
  }

  .section-title {
    font-size: clamp(1.58rem, 7vw, 2.28rem);
  }
}