/* ==========================================================================
   Numérologie Humaniste — Design System
   ========================================================================== */

:root {
  /* Palette */
  --violet-deep:    #2D1B4E;
  --violet:         #4A2D7A;
  --violet-mid:     #6B4C9A;
  --violet-light:   #8B6FBF;
  --violet-pale:    #D4C5F0;
  --violet-wash:    #F0EBF8;
  --cream:          #FBF9F4;
  --cream-warm:     #F5F0E8;
  --ivory:          #FFFDF7;
  --gold:           #C5A55A;
  --gold-light:     #DBC88E;
  --gold-glow:      rgba(197, 165, 90, 0.15);
  --text-dark:      #1E1830;
  --text:           #3A3248;
  --text-muted:     #6B6279;
  --text-light:     #9890A6;
  --border:         #E8E0F2;
  --border-light:   #F0EBF8;
  --white:          #FFFFFF;
  --shadow-sm:      0 1px 3px rgba(45, 27, 78, 0.06);
  --shadow-md:      0 4px 16px rgba(45, 27, 78, 0.08);
  --shadow-lg:      0 8px 32px rgba(45, 27, 78, 0.10);
  --shadow-glow:    0 4px 24px rgba(107, 76, 154, 0.12);
  --radius-sm:      8px;
  --radius-md:      14px;
  --radius-lg:      20px;
  --max-width:      860px;
  --transition:     0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font-heading: 'Cormorant Garamond', 'Georgia', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--cream);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection {
  background: var(--violet-pale);
  color: var(--violet-deep);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(45, 27, 78, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(45, 27, 78, 0.25);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--white);
  transition: opacity var(--transition);
}

.logo:hover { opacity: 0.85; }

.logo-icon {
  font-size: 1.4rem;
  color: var(--gold);
  transition: transform var(--transition);
}

.logo:hover .logo-icon {
  transform: rotate(20deg) scale(1.1);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 36px;
  height: 36px;
  position: relative;
  z-index: 110;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  position: absolute;
  left: 7px;
}

.hamburger { top: 17px; }
.hamburger::before { content: ''; top: -7px; }
.hamburger::after  { content: ''; top: 7px; }

.nav-toggle.is-active .hamburger { background: transparent; }
.nav-toggle.is-active .hamburger::before {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-active .hamburger::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* Nav Menu */
.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-menu a {
  display: block;
  padding: 0.45rem 0.85rem;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

/* Mobile Nav */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100dvh;
    background: var(--violet-deep);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 80px 1.5rem 2rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.3);
    z-index: 105;
  }

  .nav-menu.is-open {
    transform: translateX(0);
  }

  .nav-menu a {
    padding: 0.9rem 1rem;
    font-size: 1.05rem;
    border-radius: var(--radius-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-menu a:hover {
    background: rgba(255, 255, 255, 0.06);
  }
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.site-main {
  min-height: calc(100vh - 64px - 200px);
}

.content-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

@media (max-width: 768px) {
  .content-wrap {
    padding: 2rem 1.25rem 3rem;
  }
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--violet-deep);
  line-height: 1.25;
}

h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  position: relative;
}

h1::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  margin-top: 0.75rem;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 1.85rem);
  font-weight: 600;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}

h2::before {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--violet);
  margin: 2rem 0 0.6rem;
}

h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--violet-mid);
  margin: 1.5rem 0 0.5rem;
}

p {
  margin-bottom: 1.1rem;
}

a {
  color: var(--violet-mid);
  text-decoration-color: var(--violet-pale);
  text-underline-offset: 2px;
  transition: color var(--transition), text-decoration-color var(--transition);
}

a:hover {
  color: var(--violet);
  text-decoration-color: var(--violet-mid);
}

strong {
  font-weight: 600;
  color: var(--text-dark);
}

/* ==========================================================================
   Lists
   ========================================================================== */

ul, ol {
  margin: 0.75rem 0 1.25rem 1.5rem;
}

li {
  margin-bottom: 0.4rem;
}

li::marker {
  color: var(--violet-light);
}

/* ==========================================================================
   Blockquote
   ========================================================================== */

blockquote {
  border-left: 3px solid var(--gold);
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--ivory);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-dark);
  box-shadow: var(--shadow-sm);
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Tables
   ========================================================================== */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
}

th {
  background: var(--violet-deep);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

td {
  border-bottom: 1px solid var(--border-light);
  background: var(--white);
}

tr:last-child td {
  border-bottom: none;
}

tr:nth-child(even) td {
  background: var(--violet-wash);
}

/* Responsive table */
@media (max-width: 600px) {
  table {
    font-size: 0.9rem;
  }
  th, td {
    padding: 0.6rem 0.75rem;
  }
}

/* ==========================================================================
   Intro paragraph
   ========================================================================== */

.intro {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-family: var(--font-heading);
  font-style: italic;
}

/* ==========================================================================
   Card Grid
   ========================================================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet-mid), var(--gold));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--violet-pale);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin-top: 0;
  font-size: 1.2rem;
  color: var(--violet-deep);
}

.card p:last-child {
  margin-bottom: 0;
}

.card a {
  font-weight: 500;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  margin-top: 4rem;
  background: var(--violet-deep);
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.875rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-logo {
  color: var(--gold);
  font-size: 1.2rem;
}

.footer-copy {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--gold-light);
}

/* ==========================================================================
   Utility & Decorative
   ========================================================================== */

/* Subtle page background pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(107, 76, 154, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(197, 165, 90, 0.03) 0%, transparent 60%);
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--violet-mid);
  outline-offset: 2px;
}

/* Image defaults */
img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

/* Smooth anchor transitions */
[id] {
  scroll-margin-top: 80px;
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
  .site-header, .site-footer, .nav-toggle { display: none; }
  body { background: white; color: black; font-size: 12pt; }
  .content-wrap { padding: 0; max-width: 100%; }
  a { color: inherit; text-decoration: underline; }
  .card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
}