/* Layer order must match Tailwind so these components sit above preflight and below utilities. */
@layer theme, base, components, utilities;

@layer base {
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  :focus-visible { outline: 2px solid var(--color-brand-600); outline-offset: 2px; border-radius: 6px; }
}

@layer components {
  :root {
    --ease: cubic-bezier(0.33, 0, 0.2, 1);
    --shadow-card: 0 1px 4px rgba(31, 35, 41, 0.04);
    --shadow-float: 0 12px 32px rgba(31, 35, 41, 0.12);
  }

  .skip-link { position: fixed; left: 16px; top: -48px; z-index: 1200; padding: 8px 14px; border-radius: 8px; background: var(--color-canvas); box-shadow: var(--shadow-float); transition: top 0.2s var(--ease); }
  .skip-link:focus { top: 12px; }

  /* ---------- Header (transparent over navy hero, solid after scroll) ---------- */
  .site-header { position: fixed; inset: 0 0 auto; z-index: 1000; color: #fff; border-bottom: 1px solid transparent; transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease); }
  .site-header .nav-link { color: rgba(255, 255, 255, 0.78); }
  .site-header .nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
  .site-header .brand-sub { color: rgba(255, 255, 255, 0.55); }
  .site-header.is-scrolled { color: var(--color-ink-900); background: rgba(255, 255, 255, 0.92); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); border-color: var(--color-line); }
  .site-header.is-scrolled .nav-link { color: var(--color-ink-700); }
  .site-header.is-scrolled .nav-link:hover { color: var(--color-ink-900); background: var(--color-surface); }
  .site-header.is-scrolled .brand-sub { color: var(--color-ink-500); }
  .site-header.menu-open:not(.is-scrolled) { background: var(--color-navy-950); }

  /* ---------- Buttons ---------- */
  .btn-primary { color: #fff; background: var(--color-brand-600); box-shadow: 0 6px 20px rgba(11, 92, 173, 0.3); }
  .btn-primary:hover { background: var(--color-brand-700); }
  .btn-ghost-dark { color: #fff; border: 1px solid rgba(255, 255, 255, 0.22); background: rgba(255, 255, 255, 0.04); }
  .btn-ghost-dark:hover { border-color: rgba(255, 255, 255, 0.4); background: rgba(255, 255, 255, 0.1); }

  .text-brand { position: relative; isolation: isolate; color: var(--color-brand-700); white-space: nowrap; }
  .text-brand::after { content: ""; position: absolute; left: -2px; right: -2px; bottom: 0.08em; height: 0.32em; z-index: -1; border-radius: 6px; background: var(--color-brand-100); }

  /* ---------- Reveal ---------- */
  .js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); transition-delay: var(--d, 0ms); }
  .js .reveal.is-visible { opacity: 1; transform: none; }

  /* ---------- Drawing sheet motif ---------- */
  .bp-grid { position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(11, 92, 173, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(11, 92, 173, 0.06) 1px, transparent 1px); background-size: 56px 56px; }
  .bp-grid-dark { background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px); }
  .sheet { position: relative; }
  .sheet::before { content: ""; position: absolute; inset: 20px; pointer-events: none; opacity: 0.32;
    background:
      linear-gradient(var(--color-brand-600) 0 0) left top / 18px 1.5px,
      linear-gradient(var(--color-brand-600) 0 0) left top / 1.5px 18px,
      linear-gradient(var(--color-brand-600) 0 0) right top / 18px 1.5px,
      linear-gradient(var(--color-brand-600) 0 0) right top / 1.5px 18px,
      linear-gradient(var(--color-brand-600) 0 0) left bottom / 18px 1.5px,
      linear-gradient(var(--color-brand-600) 0 0) left bottom / 1.5px 18px,
      linear-gradient(var(--color-brand-600) 0 0) right bottom / 18px 1.5px,
      linear-gradient(var(--color-brand-600) 0 0) right bottom / 1.5px 18px;
    background-repeat: no-repeat; }
  .sheet-dark::before { opacity: 0.5;
    background:
      linear-gradient(rgba(255,255,255,0.7) 0 0) left top / 18px 1.5px,
      linear-gradient(rgba(255,255,255,0.7) 0 0) left top / 1.5px 18px,
      linear-gradient(rgba(255,255,255,0.7) 0 0) right top / 18px 1.5px,
      linear-gradient(rgba(255,255,255,0.7) 0 0) right top / 1.5px 18px,
      linear-gradient(rgba(255,255,255,0.7) 0 0) left bottom / 18px 1.5px,
      linear-gradient(rgba(255,255,255,0.7) 0 0) left bottom / 1.5px 18px,
      linear-gradient(rgba(255,255,255,0.7) 0 0) right bottom / 18px 1.5px,
      linear-gradient(rgba(255,255,255,0.7) 0 0) right bottom / 1.5px 18px;
    background-repeat: no-repeat; }
  .sheet-tag { position: absolute; top: 26px; right: 30px; z-index: 2; font: 11px var(--font-mono); letter-spacing: 0.08em; color: var(--color-ink-500); }
  .sheet-dark .sheet-tag { color: rgba(255, 255, 255, 0.5); }
  .hero .sheet-tag { top: 88px; }

  /* ---------- Hero ---------- */
  .hero { color: #fff; background: var(--color-navy-950); }
  .hero .bp-grid { mask-image: linear-gradient(#000 60%, transparent); -webkit-mask-image: linear-gradient(#000 60%, transparent); }
  .hero-accent { color: #6FB3F0; }
  .hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px 5px 6px; border-radius: 999px; font-size: 13px; color: rgba(255, 255, 255, 0.82); background: rgba(255, 255, 255, 0.06); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12); }
  .hero-eyebrow b { padding: 2px 8px; border-radius: 999px; font: 600 12px var(--font-mono); color: var(--color-navy-950); background: #fff; }
  .stat-strip { border-top: 1px solid rgba(255, 255, 255, 0.12); }
  .stat b { display: block; font: 600 26px/1.2 var(--font-mono); letter-spacing: -0.01em; color: #fff; }
  .stat b em { font-style: normal; font-size: 15px; color: rgba(255, 255, 255, 0.45); }
  .stat > span { display: block; margin-top: 4px; font-size: 12px; color: rgba(255, 255, 255, 0.55); }

  /* Hero package tree */
  .tree { position: relative; }
  .tree-card { position: relative; border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.05); color: #fff; }
  .tree-root { padding: 14px 16px; }
  .tree-root b { font-size: 15px; }
  .tree-root small { display: block; margin-top: 2px; font: 11px var(--font-mono); color: rgba(255, 255, 255, 0.5); }
  .tree-children { position: relative; margin-top: 14px; padding-left: 22px; display: grid; gap: 8px; }
  .tree-children::before { content: ""; position: absolute; left: 6px; top: -14px; bottom: 14px; width: 1.5px; background: rgba(111, 179, 240, 0.35); }
  .tree-item { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 12px; border-radius: 10px; font-size: 13px; opacity: 0; transform: translateX(-6px); transition: opacity 0.45s var(--ease), transform 0.45s var(--ease); }
  .tree-item::before { content: ""; position: absolute; left: -16px; top: 50%; width: 14px; height: 1.5px; background: rgba(111, 179, 240, 0.35); }
  .tree-item.is-on { opacity: 1; transform: none; }
  .tree-item.is-ok { border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.05); }
  .tree-item.is-miss { border: 1.5px dashed rgba(230, 73, 96, 0.75); background: rgba(200, 32, 63, 0.1); }
  .tree-item.is-over { border: 1px solid rgba(226, 162, 60, 0.6); background: rgba(226, 162, 60, 0.1); }
  .tag { flex: none; font: 10px var(--font-mono); padding: 2px 7px; border-radius: 6px; white-space: nowrap; }
  .tag-ok { color: #7ED6A5; background: rgba(30, 138, 76, 0.25); }
  .tag-miss { color: #FF8C9C; background: rgba(200, 32, 63, 0.28); }
  .tag-over { color: #F2C078; background: rgba(226, 162, 60, 0.25); }

  /* ---------- Window frame ---------- */
  .window { overflow: hidden; border-radius: 16px; background: var(--color-canvas); border: 1px solid var(--color-line); box-shadow: 0 30px 80px -30px rgba(10, 31, 61, 0.35), 0 12px 32px rgba(31, 35, 41, 0.08); }
  .window-bar { display: flex; align-items: center; gap: 12px; height: 38px; padding: 0 14px; border-bottom: 1px solid var(--color-line); background: var(--color-surface); }
  .dots { display: flex; gap: 6px; width: 48px; }
  .dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--color-line-strong); }
  .url { display: inline-flex; align-items: center; gap: 6px; margin: 0 auto; padding: 3px 14px; border-radius: 999px; background: var(--color-canvas); font-size: 12px; color: var(--color-ink-500); white-space: nowrap; }
  .window img { display: block; width: 100%; height: auto; }

  /* ---------- Promo video ---------- */
  .promo { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 22px; border: 1px solid var(--color-line); background: var(--color-navy-950); box-shadow: 0 30px 80px -30px rgba(11, 92, 173, 0.35); }
  .promo-video { position: absolute; inset: 0; width: 100%; height: 100%; background: #000; object-fit: contain; }
  .promo-cover { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 14px; width: 100%; padding-bottom: 7%; background-size: cover; background-position: center; cursor: pointer; }
  .promo-cover:disabled { cursor: default; }
  .promo-play { position: relative; display: grid; place-items: center; width: 76px; height: 76px; border-radius: 50%; background: var(--color-brand-600); color: #fff; box-shadow: 0 16px 40px rgba(11, 92, 173, 0.4); transition: transform 0.25s var(--ease); }
  .promo-play svg { margin-left: 4px; fill: currentColor; }
  .promo-play::before, .promo-play::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid rgba(11, 92, 173, 0.6); animation: ripple 2.6s var(--ease) infinite; }
  .promo-play::after { animation-delay: -1.3s; }
  .promo-cover:not(:disabled):hover .promo-play { transform: scale(1.06); }
  .promo-meta { display: inline-flex; gap: 10px; align-items: center; padding: 6px 14px; border-radius: 999px; font-size: 13px; color: var(--color-ink-700); background: rgba(255, 255, 255, 0.92); box-shadow: var(--shadow-card); }
  .promo.is-playing .promo-cover { display: none; }

  /* ---------- Workflow pipeline ---------- */
  .pipe { display: grid; gap: 12px; }
  @media (min-width: 1024px) { .pipe { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: stretch; } }
  .pipe-step { padding: 20px 18px; border-radius: 16px; border: 1px solid var(--color-line); background: var(--color-canvas); }
  .pipe-step b { display: flex; align-items: center; gap: 8px; font-size: 16px; }
  .pipe-step b i { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 7px; font: 600 12px var(--font-mono); font-style: normal; color: #fff; background: var(--color-brand-600); }
  .pipe-step p { margin-top: 8px; font-size: 13px; line-height: 1.65; color: var(--color-ink-700); }
  .pipe-link { position: relative; align-self: center; justify-self: center; width: 44px; height: 2px; background: var(--color-line-strong); }
  .pipe-link::after { content: ""; position: absolute; right: -1px; top: -4px; border: 5px solid transparent; border-left-color: var(--color-line-strong); border-right: 0; }
  @media (max-width: 1023px) { .pipe-link { width: 2px; height: 28px; } .pipe-link::after { right: -4px; top: auto; bottom: -1px; border: 5px solid transparent; border-top-color: var(--color-line-strong); border-bottom: 0; } }
  .pipe-gate { position: absolute; left: 50%; top: -22px; transform: translateX(-50%); padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; white-space: nowrap; color: var(--color-brand-800); background: var(--color-brand-50); box-shadow: inset 0 0 0 1px var(--color-brand-100); }
  @media (max-width: 1023px) { .pipe-gate { top: 50%; left: auto; right: 8px; transform: translateY(-50%); } }

  /* ---------- Package matrix ---------- */
  .pkg-card { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--color-line); background: var(--color-canvas); font-size: 13.5px; transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }
  .pkg-card code { display: block; font: 11px var(--font-mono); color: var(--color-ink-500); }
  .pkg-card.is-ok { border-left: 3px solid var(--color-ok); }
  .pkg-card.is-miss { border: 1.5px dashed rgba(200, 32, 63, 0.7); background: rgba(200, 32, 63, 0.04); }
  .pkg-card.is-over { border-left: 3px solid var(--color-warning); background: rgba(226, 162, 60, 0.05); }
  .pkg-card.is-dim { opacity: 0.28; transform: scale(0.985); }
  .pkg-filter { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--color-line); font-size: 13px; color: var(--color-ink-700); background: var(--color-canvas); transition: all 0.2s var(--ease); }
  .pkg-filter:hover { border-color: var(--color-line-strong); }
  .pkg-filter[aria-pressed="true"] { color: #fff; border-color: var(--color-brand-600); background: var(--color-brand-600); }

  /* ---------- Audit demo ---------- */
  .doc-pane { padding: 22px 24px; font-size: 14px; line-height: 1.9; color: var(--color-ink-900); }
  .doc-pane h4 { font-size: 15px; font-weight: 600; margin-bottom: 10px; }
  .doc-para { position: relative; margin: 0 0 12px; padding: 8px 10px; border-radius: 8px; border: 1.5px solid transparent; transition: border-color 0.25s var(--ease), background 0.25s var(--ease); }
  .doc-para.has-issue { cursor: pointer; }
  .doc-para.has-issue:hover { background: var(--color-surface); }
  .doc-para.is-hit { border-color: var(--color-brand-600); background: var(--color-brand-50); }
  .doc-para.is-fixed { border-color: var(--color-ok); background: rgba(30, 138, 76, 0.06); }
  .rev-card { padding: 14px 16px; border-radius: 14px; border: 1px solid var(--color-line); border-left-width: 3px; background: var(--color-canvas); transition: opacity 0.3s var(--ease); }
  .rev-card.sev-error { border-left-color: var(--color-danger); }
  .rev-card.sev-warning { border-left-color: var(--color-warning); }
  .rev-card b { font-size: 14px; }
  .rev-card p { margin-top: 4px; font-size: 12.5px; line-height: 1.6; color: var(--color-ink-700); }
  .rev-card .rev-state { display: none; font: 600 11px var(--font-mono); }
  .rev-card.is-done { opacity: 0.75; }
  .rev-card.is-done .rev-actions { display: none; }
  .rev-card.is-done .rev-state { display: inline-flex; align-items: center; gap: 5px; }
  .rev-card.st-agreed .rev-state { color: var(--color-ok); }
  .rev-card.st-ignored .rev-state { color: var(--color-ink-500); }
  .rev-card.st-rewritten .rev-state { color: var(--color-brand-700); }
  .rev-btn { padding: 4px 10px; border-radius: 8px; border: 1px solid var(--color-line); font-size: 12px; color: var(--color-ink-700); background: var(--color-canvas); transition: all 0.2s var(--ease); }
  .rev-btn:hover { border-color: var(--color-brand-600); color: var(--color-brand-700); }
  .rev-locate { font-size: 12px; color: var(--color-brand-700); }
  .rev-locate:hover { text-decoration: underline; }

  /* ---------- Ask-doc demo ---------- */
  .ask-chip { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--color-line); font-size: 13px; color: var(--color-ink-700); background: var(--color-canvas); transition: all 0.2s var(--ease); }
  .ask-chip:hover { border-color: var(--color-brand-600); color: var(--color-brand-700); }
  .ask-chip[aria-pressed="true"] { border-color: var(--color-brand-600); background: var(--color-brand-50); color: var(--color-brand-800); }
  .ask-answer { min-height: 150px; }
  .ask-answer .caret { display: inline-block; width: 2px; height: 1em; margin-left: 2px; vertical-align: -0.15em; background: var(--color-brand-600); animation: blink 1s steps(2) infinite; }
  .cite-chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; font: 12px var(--font-mono); color: var(--color-brand-800); background: var(--color-brand-50); box-shadow: inset 0 0 0 1px var(--color-brand-100); }
  .toast { position: fixed; left: 50%; bottom: 28px; z-index: 1100; transform: translate(-50%, 16px); display: flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 12px; font-size: 13px; color: #fff; background: var(--color-navy-950); box-shadow: var(--shadow-float); opacity: 0; pointer-events: none; transition: opacity 0.3s var(--ease), transform 0.3s var(--ease); }
  .toast.is-on { opacity: 1; transform: translate(-50%, 0); }

  /* ---------- Showcase tabs ---------- */
  .tab { position: relative; display: flex; gap: 14px; width: 100%; padding: 14px 16px; overflow: hidden; border-radius: 14px; text-align: left; transition: background 0.25s var(--ease); }
  .tab:hover { background: var(--color-surface); }
  .tab .icon-tile { background: var(--color-surface-2); color: var(--color-ink-500); transition: background 0.25s var(--ease), color 0.25s var(--ease); }
  .tab b { display: block; font-size: 15px; font-weight: 600; color: var(--color-ink-700); }
  .tab small { display: none; margin-top: 4px; font-size: 13px; line-height: 1.6; color: var(--color-ink-700); }
  .tab[aria-selected="true"] { background: var(--color-canvas); box-shadow: 0 0 0 1px var(--color-line), var(--shadow-float); }
  .tab[aria-selected="true"] .icon-tile { background: var(--color-brand-100); color: var(--color-brand-700); }
  .tab[aria-selected="true"] b { color: var(--color-ink-900); }
  .tab[aria-selected="true"] small { display: block; }
  .tab-progress { position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--color-brand-600); }
  .tab[aria-selected="true"] .tab-progress { animation: progress var(--dur, 6s) linear forwards; }
  .showcase.is-paused .tab-progress { animation-play-state: paused; }
  .shot-stack { position: relative; aspect-ratio: 1600 / 1000; background: var(--color-surface); }
  .shot-stack img { position: absolute; inset: 0; opacity: 0; transform: scale(1.015); transition: opacity 0.5s var(--ease), transform 0.8s var(--ease); }
  .shot-stack img.is-active { opacity: 1; transform: none; }

  /* ---------- Title block (flagship case) ---------- */
  .title-block { border: 2px solid var(--color-navy-950); }
  .title-block > div { border-top: 1px solid var(--color-navy-950); }
  .tb-row { display: grid; grid-template-columns: 128px 1fr; }
  .tb-row + .tb-row { border-top: 1px solid var(--color-line-strong); }
  .tb-row dt { padding: 10px 14px; font-size: 12.5px; color: var(--color-ink-500); border-right: 1px solid var(--color-line-strong); background: var(--color-surface); }
  .tb-row dd { padding: 10px 14px; font-size: 13.5px; font-weight: 500; color: var(--color-ink-900); }
  .tb-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; }
  .tb-head b { font-size: 15px; }
  .tb-head span { font: 11px var(--font-mono); color: var(--color-ink-500); }

  /* ---------- CTA ---------- */
  .cta { position: relative; overflow: hidden; padding: 64px 28px; border-radius: 28px; text-align: center; background: var(--color-navy-950); color: #fff; }
  .cta .bp-grid { mask-image: radial-gradient(60% 80% at 50% 50%, #000 10%, transparent 75%); -webkit-mask-image: radial-gradient(60% 80% at 50% 50%, #000 10%, transparent 75%); }

  @keyframes ripple { from { transform: scale(1); opacity: 0.9; } to { transform: scale(1.7); opacity: 0; } }
  @keyframes progress { to { width: 100%; } }
  @keyframes blink { to { visibility: hidden; } }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .tree-item { opacity: 1; transform: none; }
}