@layer reset, tokens, base, layout, components, motion, responsive;

@layer tokens {
  :root {
    color-scheme: dark;
    --color-bg: #050505;
    --color-bg-elevated: #0a0b0e;
    --color-surface: rgba(255, 255, 255, 0.055);
    --color-surface-strong: rgba(255, 255, 255, 0.085);
    --color-surface-hover: rgba(255, 255, 255, 0.105);
    --color-text: #f7f8fa;
    --color-text-soft: #c3c8d1;
    --color-muted: #8b93a1;
    --color-line: rgba(255, 255, 255, 0.11);
    --color-line-strong: rgba(255, 255, 255, 0.2);
    --color-blue: #3b82f6;
    --color-blue-light: #60a5fa;
    --color-purple: #a855f7;
    --gradient-brand: linear-gradient(120deg, var(--color-blue-light), var(--color-blue) 46%, var(--color-purple));
    --gradient-surface: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025));
    --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.38);
    --shadow-blue: 0 0 40px rgba(59, 130, 246, 0.2);
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-pill: 999px;
    --container: 1200px;
    --header-height: 76px;
    --space-section: clamp(5rem, 10vw, 9rem);
    --font-display: "Sora", "SF Pro Display", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
    --transition-fast: 180ms var(--ease-premium);
    --transition-base: 350ms var(--ease-premium);
  }
}

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

  html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1.5rem);
  }

  body,
  h1,
  h2,
  h3,
  p,
  ul {
    margin: 0;
  }

  ul {
    padding: 0;
    list-style: none;
  }

  img,
  picture,
  video,
  canvas,
  svg,
  iframe {
    display: block;
    max-width: 100%;
  }

  button,
  input,
  textarea {
    color: inherit;
    font: inherit;
  }

  button,
  a {
    -webkit-tap-highlight-color: transparent;
  }
}

@layer base {
  body {
    min-width: 320px;
    min-height: 100vh;
    overflow-x: clip;
    background:
      radial-gradient(circle at 12% 18%, rgba(59, 130, 246, 0.1), transparent 27rem),
      radial-gradient(circle at 88% 64%, rgba(168, 85, 247, 0.08), transparent 30rem),
      var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

  body::before {
    position: fixed;
    z-index: -2;
    inset: 0;
    background-image:
      linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, black, transparent 88%);
    content: "";
    pointer-events: none;
  }

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

  p {
    color: var(--color-text-soft);
  }

  h1,
  h2,
  h3 {
    color: var(--color-text);
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.08;
    text-wrap: balance;
  }

  h1 {
    font-size: clamp(3rem, 8.5vw, 7.5rem);
  }

  h2 {
    font-size: clamp(2.25rem, 5vw, 4.75rem);
  }

  h3 {
    font-size: clamp(1.2rem, 2vw, 1.55rem);
  }

  ::selection {
    background: rgba(96, 165, 250, 0.9);
    color: #030712;
  }

  :focus-visible {
    outline: 2px solid var(--color-blue-light);
    outline-offset: 4px;
  }
}

@layer layout {
  main {
    position: relative;
    min-height: 68vh;
  }

  .page-intro,
  .site-header__inner,
  .site-footer > * {
    width: min(calc(100% - 3rem), var(--container));
    margin-inline: auto;
  }

  .page-intro {
    min-height: min(76vh, 780px);
    padding-block: clamp(9rem, 17vw, 14rem) var(--space-section);
    display: grid;
    align-content: center;
    justify-items: start;
  }

  .page-intro h1 {
    max-width: 11ch;
    margin-top: 1.25rem;
  }

  .page-intro > p:last-of-type {
    max-width: 690px;
    margin-top: 1.75rem;
    font-size: clamp(1.05rem, 2vw, 1.35rem);
  }

  .case-intro {
    min-height: 70vh;
  }

  .site-footer {
    position: relative;
    padding-block: var(--space-section) 2rem;
    overflow: hidden;
    border-top: 1px solid var(--color-line);
    background:
      radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.14), transparent 24rem),
      linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent);
  }

  .site-footer__intro {
    padding-bottom: clamp(3rem, 7vw, 6rem);
    display: grid;
    justify-items: start;
  }

  .site-footer__intro h2 {
    max-width: 12ch;
    margin-top: 1.25rem;
  }

  .site-footer__intro p:not(.eyebrow) {
    max-width: 620px;
    margin: 1.25rem 0 2rem;
    font-size: clamp(1rem, 1.8vw, 1.2rem);
  }

  .site-footer__grid {
    padding-block: clamp(2.5rem, 5vw, 4rem);
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: clamp(2.5rem, 7vw, 7rem);
    border-top: 1px solid var(--color-line);
  }

  .site-footer__base {
    padding-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    border-top: 1px solid var(--color-line);
    font-size: 0.875rem;
  }
}

@layer base {
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .skip-link {
    position: fixed;
    z-index: 10000;
    top: 1rem;
    left: 1rem;
    padding: 0.8rem 1rem;
    transform: translateY(-160%);
    border-radius: var(--radius-sm);
    background: var(--color-text);
    color: var(--color-bg);
    font-weight: 700;
    transition: transform var(--transition-fast);
  }

  .skip-link:focus {
    transform: translateY(0);
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--color-blue-light);
    font-family: var(--font-display);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    line-height: 1.4;
    text-transform: uppercase;
  }

  .eyebrow::before {
    width: 1.75rem;
    height: 1px;
    background: var(--gradient-brand);
    content: "";
  }

  .noscript-message {
    position: fixed;
    z-index: 9999;
    right: 1rem;
    bottom: 1rem;
    max-width: 430px;
    padding: 1rem;
    border: 1px solid var(--color-line-strong);
    border-radius: var(--radius-sm);
    background: #111318;
    font-size: 0.875rem;
  }
}