/* ============================================================ */
/* VAULTPAW · DESIGN SYSTEM TOKENS v1.0                          */
/* Source of truth for all VaultPaw digital products              */
/* Palette + typo + spacing + components réutilisables           */
/* ============================================================ */

:root{
  /* ---------- PALETTE (validated brief) ---------- */
  --vp-bg:        #0A0A0B;   /* primary dark · home BG · main cards */
  --vp-bg-alt:    #0E0E10;   /* slightly lighter for layered surfaces */
  --vp-ivory:     #F5F4EF;   /* secondary warm · NOT pure white · type-on-dark */
  --vp-lime:      #C8FF3E;   /* single accent · positive · CTA · middot */
  --vp-slate:     #2B2F36;   /* tertiary structure · borders · cards */
  --vp-slate-2:   #1F1F23;   /* subtle dividers */
  --vp-cyan:      #5BCEEA;   /* second signal · data neutral · links */
  --vp-dim:       #8A8A92;   /* dim text · captions */
  --vp-mute:      #6A6A72;   /* muted text · footnotes */
  --vp-warn:      #FF7B5C;   /* warning · vault flagged */

  /* ---------- TYPOGRAPHY ---------- */
  --vp-font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --vp-font-body:    'Inter Tight', 'Inter', system-ui, -apple-system, sans-serif;
  --vp-font-mono:    'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* Type scale (clamp pour responsive) */
  --vp-text-display-xl: clamp(56px, 8vw, 120px);
  --vp-text-display-lg: clamp(40px, 5vw, 80px);
  --vp-text-display-md: clamp(32px, 3.5vw, 56px);
  --vp-text-h1:         clamp(28px, 3vw, 44px);
  --vp-text-h2:         clamp(22px, 2.2vw, 32px);
  --vp-text-h3:         18px;
  --vp-text-body:       15px;
  --vp-text-body-sm:    13px;
  --vp-text-caption:    11px;
  --vp-text-mono-sm:    10.5px;
  --vp-text-mono-xs:    9px;

  /* Letter-spacing */
  --vp-track-display: -0.035em;  /* tight pour display */
  --vp-track-h2:      -0.02em;
  --vp-track-mono:    0.14em;     /* expanded pour mono UPPER */
  --vp-track-mono-tight: 0.06em;

  /* Line-height */
  --vp-leading-display: 0.95;
  --vp-leading-h:       1.15;
  --vp-leading-body:    1.55;
  --vp-leading-prose:   1.7;

  /* ---------- SPACING (8pt grid) ---------- */
  --vp-s-1:  4px;
  --vp-s-2:  8px;
  --vp-s-3:  12px;
  --vp-s-4:  16px;
  --vp-s-5:  24px;
  --vp-s-6:  32px;
  --vp-s-7:  48px;
  --vp-s-8:  64px;
  --vp-s-9:  96px;
  --vp-s-10: 128px;

  /* ---------- RADIUS ---------- */
  --vp-r-sm:   4px;
  --vp-r-md:   8px;
  --vp-r-lg:   12px;
  --vp-r-xl:   20px;
  --vp-r-pill: 999px;

  /* ---------- SHADOWS (subtle, premium) ---------- */
  --vp-shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --vp-shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --vp-shadow-lg: 0 24px 60px rgba(0,0,0,0.7);
  --vp-glow-lime: 0 0 24px rgba(200,255,62,0.18);

  /* ---------- MOTION ---------- */
  --vp-ease:        cubic-bezier(0.22, 0.61, 0.36, 1);
  --vp-ease-bounce: cubic-bezier(0.5, 1.4, 0.4, 1);
  --vp-dur-fast:    150ms;
  --vp-dur-base:    240ms;
  --vp-dur-slow:    400ms;

  /* ---------- PRINT (A4) ---------- */
  --vp-print-w:     210mm;
  --vp-print-h:     297mm;
  --vp-print-mx:    16mm;  /* horizontal margin */
  --vp-print-my:    18mm;  /* vertical margin */
}

/* ============================================================ */
/* RESET + DEFAULTS                                              */
/* ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--vp-bg);
  color: var(--vp-ivory);
  font-family: var(--vp-font-body);
  font-size: var(--vp-text-body);
  line-height: var(--vp-leading-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Selection */
::selection { background: var(--vp-lime); color: var(--vp-bg); }

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--vp-lime);
  outline-offset: 3px;
  border-radius: var(--vp-r-sm);
}

/* ============================================================ */
/* COMPONENTS · réutilisables                                     */
/* ============================================================ */

/* ---------- Wordmark VaultPaw· ---------- */
.vp-wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  font-family: var(--vp-font-display);
  font-weight: 700;
  letter-spacing: var(--vp-track-display);
  line-height: 1;
}
.vp-wordmark .vp-dot {
  color: var(--vp-lime);
  margin-left: 0.04em;
}

/* ---------- Eyebrow / mono caps tag ---------- */
.vp-eyebrow {
  font-family: var(--vp-font-mono);
  font-size: var(--vp-text-mono-sm);
  letter-spacing: var(--vp-track-mono);
  text-transform: uppercase;
  font-weight: 500;
  color: var(--vp-lime);
}
.vp-eyebrow.dim { color: var(--vp-dim); }
.vp-eyebrow.cyan { color: var(--vp-cyan); }
.vp-eyebrow.warn { color: var(--vp-warn); }

/* ---------- Display headings ---------- */
.vp-display-xl {
  font-family: var(--vp-font-display);
  font-weight: 700;
  font-size: var(--vp-text-display-xl);
  line-height: var(--vp-leading-display);
  letter-spacing: var(--vp-track-display);
  color: var(--vp-ivory);
}
.vp-display-xl em { font-style: normal; color: var(--vp-lime); }

.vp-display-lg {
  font-family: var(--vp-font-display);
  font-weight: 700;
  font-size: var(--vp-text-display-lg);
  line-height: var(--vp-leading-display);
  letter-spacing: var(--vp-track-display);
}
.vp-display-lg em { font-style: normal; color: var(--vp-lime); }

.vp-h1 {
  font-family: var(--vp-font-display);
  font-weight: 600;
  font-size: var(--vp-text-h1);
  line-height: var(--vp-leading-h);
  letter-spacing: var(--vp-track-h2);
}

.vp-h2 {
  font-family: var(--vp-font-display);
  font-weight: 600;
  font-size: var(--vp-text-h2);
  line-height: var(--vp-leading-h);
  letter-spacing: var(--vp-track-h2);
}

.vp-h3 {
  font-family: var(--vp-font-display);
  font-weight: 500;
  font-size: var(--vp-text-h3);
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Lede / intro paragraph ---------- */
.vp-lede {
  font-family: var(--vp-font-body);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.55;
  color: var(--vp-dim);
  max-width: 65ch;
}
.vp-lede b { color: var(--vp-ivory); font-weight: 500; }

/* ---------- Body prose ---------- */
.vp-prose p { margin-bottom: var(--vp-s-4); color: #cfcec9; }
.vp-prose b, .vp-prose strong { color: var(--vp-ivory); font-weight: 600; }
.vp-prose em { font-style: normal; color: var(--vp-lime); }
.vp-prose a {
  color: var(--vp-cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--vp-cyan);
  transition: all var(--vp-dur-fast) var(--vp-ease);
}
.vp-prose a:hover { color: var(--vp-lime); border-color: var(--vp-lime); }

/* ---------- Buttons ---------- */
.vp-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--vp-s-2);
  padding: var(--vp-s-3) var(--vp-s-5);
  font-family: var(--vp-font-mono);
  font-size: var(--vp-text-mono-sm);
  font-weight: 500;
  letter-spacing: var(--vp-track-mono);
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--vp-r-pill);
  cursor: pointer;
  transition: all var(--vp-dur-base) var(--vp-ease);
  border: none;
}
.vp-btn-primary {
  background: var(--vp-lime);
  color: var(--vp-bg);
  box-shadow: var(--vp-glow-lime);
}
.vp-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 32px rgba(200,255,62,0.32); }
.vp-btn-secondary {
  background: transparent;
  color: var(--vp-ivory);
  border: 1px solid var(--vp-slate);
}
.vp-btn-secondary:hover { background: var(--vp-slate); }
.vp-btn-ghost {
  background: transparent;
  color: var(--vp-dim);
  border: 1px solid transparent;
}
.vp-btn-ghost:hover { color: var(--vp-ivory); border-color: var(--vp-slate); }

/* ---------- Cards / callouts ---------- */
.vp-card {
  background: var(--vp-bg-alt);
  border: 1px solid var(--vp-slate-2);
  border-radius: var(--vp-r-lg);
  padding: var(--vp-s-5);
}
.vp-card-elevated {
  background: var(--vp-bg-alt);
  border: 1px solid var(--vp-slate);
  border-radius: var(--vp-r-lg);
  padding: var(--vp-s-6);
  box-shadow: var(--vp-shadow-md);
}

.vp-callout {
  padding: var(--vp-s-4) var(--vp-s-5);
  border-left: 2px solid var(--vp-lime);
  background: rgba(200,255,62,0.04);
  border-radius: 0 var(--vp-r-md) var(--vp-r-md) 0;
}
.vp-callout-warn { border-left-color: var(--vp-warn); background: rgba(255,123,92,0.04); }
.vp-callout-cyan { border-left-color: var(--vp-cyan); background: rgba(91,206,234,0.04); }
.vp-callout-title {
  font-family: var(--vp-font-mono);
  font-size: var(--vp-text-mono-sm);
  letter-spacing: var(--vp-track-mono);
  text-transform: uppercase;
  font-weight: 500;
  color: var(--vp-lime);
  margin-bottom: var(--vp-s-2);
}
.vp-callout-warn .vp-callout-title { color: var(--vp-warn); }
.vp-callout-cyan .vp-callout-title { color: var(--vp-cyan); }

/* ---------- Tables ---------- */
.vp-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--vp-slate-2);
}
.vp-table th {
  font-family: var(--vp-font-mono);
  font-size: var(--vp-text-mono-sm);
  letter-spacing: var(--vp-track-mono);
  text-transform: uppercase;
  font-weight: 500;
  color: var(--vp-dim);
  background: var(--vp-bg-alt);
  border-bottom: 1px solid var(--vp-slate);
  padding: var(--vp-s-3) var(--vp-s-4);
  text-align: left;
  vertical-align: bottom;
}
.vp-table td {
  padding: var(--vp-s-3) var(--vp-s-4);
  border-bottom: 1px solid var(--vp-slate-2);
  color: #cfcec9;
  vertical-align: top;
}
.vp-table tbody tr:hover td { background: rgba(255,255,255,0.015); }

/* ---------- Chips / tags ---------- */
.vp-chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--vp-font-mono);
  font-size: var(--vp-text-mono-xs);
  letter-spacing: var(--vp-track-mono);
  text-transform: uppercase;
  padding: var(--vp-s-1) var(--vp-s-3);
  border: 1px solid var(--vp-slate);
  border-radius: var(--vp-r-sm);
  color: var(--vp-dim);
}
.vp-chip-lime { border-color: var(--vp-lime); color: var(--vp-lime); }
.vp-chip-cyan { border-color: var(--vp-cyan); color: var(--vp-cyan); }
.vp-chip-warn { border-color: var(--vp-warn); color: var(--vp-warn); }

/* ---------- Lock icon (SVG inline reference) ---------- */
/* Use: <svg class="vp-lock" viewBox="0 0 24 28"><use href="#vp-lock-icon"/></svg> */
.vp-lock {
  width: 1em;
  height: 1.16em;
  vertical-align: -0.16em;
  fill: currentColor;
}

/* ---------- Key icon ---------- */
.vp-key {
  width: 1.4em;
  height: 1em;
  vertical-align: -0.1em;
  fill: currentColor;
}

/* ---------- Tabular nums (for data) ---------- */
.vp-tabular { font-variant-numeric: tabular-nums; }

/* ============================================================ */
/* PRINT · A4 page system                                         */
/* ============================================================ */
@page { size: A4; margin: 0; }
@media print {
  body { background: var(--vp-bg); -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .vp-no-print { display: none !important; }
}

.vp-page {
  width: var(--vp-print-w);
  min-height: var(--vp-print-h);
  position: relative;
  background: var(--vp-bg);
  color: var(--vp-ivory);
  page-break-after: always;
  overflow: hidden;
}
.vp-page:last-child { page-break-after: auto; }
.vp-page-inner {
  position: absolute;
  inset: var(--vp-print-my) var(--vp-print-mx) calc(var(--vp-print-my) + 4mm);
}
.vp-page-rail-top, .vp-page-rail-bottom {
  position: absolute;
  left: var(--vp-print-mx);
  right: var(--vp-print-mx);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--vp-font-mono);
  font-size: 7pt;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vp-dim);
}
.vp-page-rail-top { top: 8mm; }
.vp-page-rail-bottom {
  bottom: 8mm;
  padding-top: 3mm;
  border-top: 1px solid var(--vp-slate-2);
}
.vp-page-rail-top .vp-pg-mark { color: var(--vp-ivory); font-weight: 600; }
.vp-page-rail-bottom .vp-pg-num { color: var(--vp-lime); font-weight: 500; }

/* ---------- Cover page ---------- */
.vp-cover {
  background: var(--vp-bg);
  position: relative;
  overflow: hidden;
}
.vp-cover-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,244,239,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,244,239,0.025) 1px, transparent 1px);
  background-size: 14mm 14mm;
  pointer-events: none;
}
.vp-cover-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 85% 15%, rgba(200,255,62,0.10) 0%, transparent 45%),
    radial-gradient(ellipse at 15% 85%, rgba(91,206,234,0.06) 0%, transparent 40%);
  pointer-events: none;
}

/* ============================================================ */
/* UTILITY                                                        */
/* ============================================================ */
.vp-hide { display: none !important; }
.vp-sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}