/* ============================================================
   LAWIA — Design System
   Pack Skills Juridiques Claude
   ============================================================ */

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

/* ---- Tokens ---- */
:root {
  /* Colors */
  --bg: #FAF9F5;
  --bg-alt: #F3F1EB;
  --accent: #6A9BCC;
  --accent-dark: #4E7FAF;
  --accent-darker: #3A6591;
  --accent-light: rgba(106, 155, 204, 0.14);
  --accent-lighter: rgba(106, 155, 204, 0.07);
  --text: #141413;
  --text-secondary: #55554F;
  --text-tertiary: #8A8A82;
  --white: #FFFFFF;
  --red: #C45C5C;
  --green: #5CA06E;
  --border: rgba(20, 20, 19, 0.09);
  --border-strong: rgba(20, 20, 19, 0.18);

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(20,20,19,0.04);
  --shadow-sm: 0 2px 6px rgba(20,20,19,0.06);
  --shadow-md: 0 4px 14px rgba(20,20,19,0.08);
  --shadow-lg: 0 8px 30px rgba(20,20,19,0.10);
  --shadow-xl: 0 16px 50px rgba(20,20,19,0.14);
  --shadow-accent: 0 4px 20px rgba(106,155,204,0.30);

  /* Spacing */
  --space-2xs: 0.125rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  --space-6xl: 12rem;

  /* Typography */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 200ms;
  --dur-normal: 400ms;
  --dur-slow: 600ms;
  --dur-slower: 800ms;
  --dur-slowest: 1200ms;
}

/* ---- Reset ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1.125rem;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ---- Variant Page Layout ---- */
.variant-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 249, 245, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-sm) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-ui);
  font-size: 13px;
  overflow-x: auto;
  scrollbar-width: none;
}
.variant-nav::-webkit-scrollbar { display: none; }

.variant-nav .nav-title {
  font-weight: 700;
  color: var(--text);
  margin-right: var(--space-sm);
  padding-right: var(--space-md);
  border-right: 1px solid var(--border-strong);
  white-space: nowrap;
  flex-shrink: 0;
}

.variant-nav a {
  color: var(--text-tertiary);
  text-decoration: none;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  transition: all var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  font-weight: 500;
}
.variant-nav a:hover { color: var(--accent-dark); background: var(--accent-light); }
.variant-nav a.active { color: var(--white); background: var(--accent); }

.variant-section {
  min-height: 100vh;
  padding-top: 56px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.variant-section:not(:last-child) {
  border-bottom: 1px dashed var(--border-strong);
}

.variant-label {
  position: absolute;
  top: 68px;
  left: var(--space-xl);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  z-index: 10;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1.15;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 700; letter-spacing: -0.015em; }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 600; }
h4 { font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 600; }

p, .body-text {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.ui-text {
  font-family: var(--font-ui);
  line-height: 1.5;
}

/* ---- Layout ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-xl); }
.container-sm { max-width: 820px; margin: 0 auto; padding: 0 var(--space-xl); }
.container-xs { max-width: 640px; margin: 0 auto; padding: 0 var(--space-xl); }

.section-padding { padding: var(--space-5xl) 0; }
.section-padding-lg { padding: var(--space-6xl) 0; }

/* ---- Components: Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  background: var(--accent);
  padding: 15px 36px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--dur-normal) var(--ease-out);
  box-shadow: var(--shadow-md), var(--shadow-accent);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-normal);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 6px 28px rgba(106,155,204,0.35);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent-dark);
  background: transparent;
  padding: 13px 30px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--accent);
  text-decoration: none;
  transition: all var(--dur-normal) var(--ease-out);
}
.btn-secondary:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent-dark);
  text-decoration: none;
  padding: 8px 4px;
  transition: color var(--dur-fast);
}
.btn-ghost:hover { color: var(--accent-darker); }
.btn-ghost svg { transition: transform var(--dur-fast) var(--ease-out); }
.btn-ghost:hover svg { transform: translateX(3px); }

/* ---- Components: Tag / Badge ---- */
.tag {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-dark);
  background: var(--accent-light);
  padding: 5px 16px;
  border-radius: var(--radius-full);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

/* ---- Components: Cards ---- */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: var(--space-2xl);
  transition: all var(--dur-normal) var(--ease-out);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
  transform: translateY(-4px);
}

.card-flat {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid transparent;
  transition: all var(--dur-normal) var(--ease-out);
}

/* ---- Components: Window Mockup ---- */
.window-mockup {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.window-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #FAFAF8, #F5F4F0);
}

.window-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.window-dot:nth-child(1) { background: #FF5F57; }
.window-dot:nth-child(2) { background: #FFBD2E; }
.window-dot:nth-child(3) { background: #28C840; }

.window-title {
  flex: 1;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-right: 40px;
}

.window-body {
  padding: var(--space-xl) var(--space-2xl);
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
  min-height: 200px;
}

/* ---- Components: Divider ---- */
.divider {
  width: 60px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: var(--space-lg) 0;
}

/* ---- Components: Stat ---- */
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-label {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-top: var(--space-xs);
}

/* ---- Animation Utilities ---- */
.anim-fade-in {
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-out);
}
.anim-slide-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slower) var(--ease-out);
}
.anim-slide-down {
  opacity: 0;
  transform: translateY(-30px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slower) var(--ease-out);
}
.anim-slide-left {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slower) var(--ease-out);
}
.anim-slide-right {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slower) var(--ease-out);
}
.anim-scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slower) var(--ease-spring);
}
.anim-blur-in {
  opacity: 0;
  filter: blur(8px);
  transition: opacity var(--dur-slower) var(--ease-out), filter var(--dur-slower) var(--ease-out);
}

.anim-visible {
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
}

/* Stagger delays */
.stagger > :nth-child(1) { transition-delay: 0ms; }
.stagger > :nth-child(2) { transition-delay: 100ms; }
.stagger > :nth-child(3) { transition-delay: 200ms; }
.stagger > :nth-child(4) { transition-delay: 300ms; }
.stagger > :nth-child(5) { transition-delay: 400ms; }
.stagger > :nth-child(6) { transition-delay: 500ms; }
.stagger > :nth-child(7) { transition-delay: 600ms; }

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.font-ui { font-family: var(--font-ui); }
.font-display { font-family: var(--font-display); }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.mx-auto { margin-left: auto; margin-right: auto; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.grid { display: grid; }
.relative { position: relative; }

/* ---- Keyframe Animations (for more complex effects) ---- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}
@keyframes blink-caret {
  0%, 100% { border-color: var(--text); }
  50% { border-color: transparent; }
}
@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes count-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes draw-line {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}
@keyframes slide-in-right {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .container { padding: 0 var(--space-lg); }
  .section-padding { padding: var(--space-4xl) 0; }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  .container, .container-sm, .container-xs { padding: 0 var(--space-md); }
  .section-padding { padding: var(--space-3xl) 0; }
  .variant-section { padding-top: 48px; }
  .variant-label { top: 58px; left: var(--space-md); }
  .btn-primary { padding: 13px 28px; font-size: 0.95rem; }
  .card { padding: var(--space-xl); }
}

@media (max-width: 480px) {
  .section-padding { padding: var(--space-2xl) 0; }
  .btn-primary { width: 100%; }
  .btn-secondary { width: 100%; }
}